/* ====================================================================
   LingoVault - Modern Tasarım Sistemi & Mobil Uyumlu Stil Dosyası
   Özellikler: Koyu/Açık Tema, Mobil Bottom Nav, Bunu Mu Demek İstediniz Banner, 3D Flashcard
   ==================================================================== */

:root {
  /* Koyu Tema (Varsayılan) */
  --bg-primary: #1A1210;
  --bg-secondary: #261A16;
  --bg-tertiary: #33231D;
  --bg-bottom-nav: #1E1512;
  --card-bg: #261A16;
  --card-border: rgba(255, 220, 200, 0.10);
  --card-hover-border: rgba(255, 122, 89, 0.35);
  
  --text-main: #FFF1E8;
  --text-muted: #B89A8B;
  --text-dim: #7C6459;

  --accent-primary: #FF7A59;
  --accent-primary-hover: #ff9175;
  --accent-gradient: #FF7A59;
  --accent-glow: none;
  --text-on-accent: #2A0D05;

  --accent-teal: #B89A8B;
  --accent-amber: #FFC933;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --glass-blur: blur(16px);
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #FFF6EF;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #FBE5D6;
  --bg-bottom-nav: #FFFAF6;
  --card-bg: #FFFFFF;
  --card-border: rgba(120, 60, 20, 0.12);
  --card-hover-border: rgba(242, 92, 59, 0.35);

  --text-main: #2B1D16;
  --text-muted: #86695A;
  --text-dim: #BCA394;

  --accent-primary: #F25C3B;
  --accent-primary-hover: #d94b2c;
  --accent-gradient: #F25C3B;
  --accent-glow: none;
  --text-on-accent: #FFFFFF;

  --accent-teal: #86695A;
  --accent-amber: #F5B800;
  --accent-emerald: #059669;
  --accent-rose: #dc2626;

  --shadow-sm: 0 2px 8px rgba(120, 60, 20, 0.05);
  --shadow-md: 0 8px 24px rgba(120, 60, 20, 0.08);
  --shadow-lg: 0 16px 40px rgba(120, 60, 20, 0.12);
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  background-image: none;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* ====================================================================
   HEADER & TOP BARS
   ==================================================================== */
.app-header {
  border-bottom: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: max(0.5rem, env(safe-area-inset-top, 0.5rem));
  transition: var(--transition);
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.brand:hover {
  opacity: 0.92;
}

.brand:active {
  transform: scale(0.97);
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  background: transparent;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-text {
  display: flex;
  align-items: center;
}

.brand-text h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: initial;
  line-height: 1.15;
}

.badge-free {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.quick-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stat-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.stat-chip strong {
  color: var(--text-main);
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Mobil Kompakt İstatistik Şeridi */
.mobile-stats-bar {
  display: none;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--card-border);
  padding: 0.4rem 1rem;
  justify-content: space-around;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.m-stat-item strong {
  color: var(--text-main);
  font-weight: 700;
}

/* ====================================================================
   DESKTOP NAV TABS & MOBILE BOTTOM NAV
   ==================================================================== */
.desktop-main-nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--card-border);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 0.95rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--text-main);
}

.nav-tab.active {
  color: var(--accent-primary);
}

.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-primary);
  border-radius: 3px 3px 0 0;
  box-shadow: none;
}

.tab-badge {
  background: var(--bg-tertiary);
  color: var(--text-main);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--card-border);
}

/* Mobil Alt Gezinme Çubuğu (Bottom App Bar) */
.app-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-bottom-nav);
  border-top: 1px solid var(--card-border);
  backdrop-filter: blur(20px);
  padding-bottom: max(0.4rem, env(safe-area-inset-bottom, 0));
}

.bottom-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 60px;
}

.bottom-nav-item {
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  height: 100%;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.bottom-nav-item .b-icon {
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.bottom-nav-item .b-label {
  font-size: 0.72rem;
  font-family: var(--font-heading);
  font-weight: 600;
}

/* .bottom-nav-item .b-badge removed */

.bottom-nav-item.active {
  color: var(--accent-primary);
}

.bottom-nav-item.active .b-icon {
  transform: translateY(-2px);
}

/* ====================================================================
   MAIN CONTENT & TABS
   ==================================================================== */
.main-content {
  max-width: 1240px;
  margin: 1.25rem auto;
  padding: 0 1.25rem 3rem 1.25rem;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====================================================================
   BUNU MU DEMEK İSTEDİNİZ (DID YOU MEAN) BANNER
   ==================================================================== */
.spelling-suggestion-banner {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  animation: slideDown 0.25s ease-out;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.1);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.spell-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

.spell-icon {
  font-size: 1.15rem;
}

.spell-label {
  color: var(--text-muted);
  font-weight: 500;
}

.spell-suggested-link {
  background: rgba(245, 158, 11, 0.2);
  border: 1px dashed rgba(245, 158, 11, 0.5);
  color: var(--accent-amber);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-style: italic;
  transition: var(--transition);
  text-decoration: underline;
}

.spell-suggested-link:hover {
  background: var(--accent-amber);
  color: #000;
  text-decoration: none;
  transform: scale(1.03);
}

.spell-dismiss-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  transition: var(--transition);
}

.spell-dismiss-btn:hover {
  color: var(--text-main);
}

/* ====================================================================
   BUTTONS & CARDS
   ==================================================================== */
.card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--card-hover-border);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  min-height: 44px; /* Mobil dokunmatik hedef standardı */
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  box-shadow: var(--shadow-md);
  filter: none;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--card-border);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--card-hover-border);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: var(--card-border);
}

.btn-outline:hover {
  background: var(--bg-tertiary);
}

.btn-accent {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--card-border);
}

.btn-accent:hover {
  background: var(--bg-tertiary);
  border-color: var(--card-hover-border);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  min-height: 38px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  min-height: 48px;
  font-size: 1.05rem;
}

.btn-danger-outline {
  background: transparent;
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
}

.btn-danger-outline:hover {
  background: rgba(244, 63, 94, 0.12);
}

.btn-danger-soft {
  background: rgba(244, 63, 94, 0.14);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
  min-height: 46px;
}

.btn-danger-soft:hover {
  background: rgba(244, 63, 94, 0.25);
}

.btn-success-soft {
  background: rgba(16, 185, 129, 0.14);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
  min-height: 46px;
  font-weight: 600;
}

.btn-success-soft:hover {
  background: rgba(16, 185, 129, 0.25);
  border-color: var(--accent-emerald);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.icon-btn .theme-icon {
  color: var(--text-muted);
}

.icon-btn:hover {
  border-color: var(--card-hover-border);
  color: var(--text-main);
  transform: translateY(-1px);
}

#backupModalBtn {
  color: var(--text-muted);
}

#backupModalBtn svg {
  stroke: var(--text-muted);
}

.icon-action-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.icon-action-btn:hover:not(:disabled) {
  color: var(--text-main);
  background: var(--bg-tertiary);
  border-color: var(--card-border);
}

.icon-action-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.4rem 0.6rem;
  transition: var(--transition);
}

.link-btn:hover {
  text-decoration: underline;
}

/* ====================================================================
   TAB 1: TRANSLATE SECTION
   ==================================================================== */
.translate-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.lang-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg-secondary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
}

.lang-selector-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.lang-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.select-dropdown, .filter-select {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  cursor: pointer;
  width: 100%;
  min-height: 40px;
  transition: var(--transition);
}

.select-dropdown:focus, .filter-select:focus {
  border-color: var(--accent-primary);
}

.swap-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}

.swap-btn:hover {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  transform: rotate(180deg);
}

.translate-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.translate-card {
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: 1.25rem;
  position: relative;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 28px;
  margin-bottom: 0.65rem;
}

.lang-detected-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.target-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.text-action-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.82rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.5rem;
  transition: var(--transition);
}

.text-action-btn:hover {
  color: var(--text-main);
}

.translate-textarea {
  flex: 1;
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-body);
  font-size: 1.15rem; /* iOS zoom engellemek için >= 16px */
  color: var(--text-main);
  line-height: 1.6;
}

.translate-textarea::placeholder {
  color: var(--text-dim);
}

.translate-result-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
}

.translate-result-text {
  font-size: 1.15rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.translate-result-text.empty {
  color: var(--text-dim);
  font-style: normal;
  font-weight: 500;
}

.loading-spinner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 18, 16, 0.75);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--accent-primary);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.card-footer {
  border-top: 1px solid var(--card-border);
  padding-top: 0.85rem;
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.char-count {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.star-action-btn {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--card-border);
}

.star-action-btn.active {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--card-border);
}

.star-action-btn.active .star-icon {
  color: var(--accent-amber);
}

/* Son Çeviriler Şeridi */
.recent-strip-container {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
}

.recent-strip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.recent-strip-header h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.recent-chips {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.recent-chip {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.88rem;
  transition: var(--transition);
}

.recent-chip:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.recent-chip .chip-source {
  font-weight: 500;
  color: var(--text-muted);
}

.recent-chip .chip-arrow {
  color: var(--text-dim);
}

.recent-chip .chip-target {
  font-weight: 500;
  color: var(--text-main);
}

/* ====================================================================
   TAB 2: HISTORY SECTION
   ==================================================================== */
.history-view-container {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.history-controls-card {
  padding: 0.65rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-radius: var(--radius-md);
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  width: 15px;
  height: 15px;
  color: var(--text-dim);
}

.search-field {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.42rem 0.75rem 0.42rem 2.35rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-main);
  outline: none;
  min-height: 38px;
  transition: var(--transition);
}

.search-field:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--card-border);
}

.clear-search-btn {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.25rem;
  font-size: 0.85rem;
}

.history-filter-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.5rem;
}

.filter-left-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--text-muted);
  user-select: none;
  white-space: nowrap;
}

.filter-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.28rem 0.5rem;
  font-size: 0.8rem;
  outline: none;
}

.filter-right-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto; /* Sıranın EN SAĞINA itilmesini sağlar */
}

.filter-right-actions .btn {
  padding: 0.3rem 0.6rem;
  font-size: 0.78rem;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.clear-history-btn {
  color: var(--accent-rose) !important;
  border-color: rgba(244, 63, 94, 0.3) !important;
  margin-left: 0.15rem;
}

.clear-history-btn:hover {
  background: rgba(244, 63, 94, 0.1) !important;
  border-color: var(--accent-rose) !important;
}

@media (max-width: 768px) {
  .history-filter-options {
    flex-wrap: wrap;
    gap: 0.45rem;
  }
  .filter-left-controls {
    flex: 1;
    min-width: 0;
  }
  .filter-select {
    max-width: 105px;
    font-size: 0.78rem;
    padding: 0.25rem 0.4rem;
  }
  .filter-right-actions {
    margin-left: auto;
    gap: 0.25rem;
  }
  .filter-right-actions .btn {
    padding: 0.25rem 0.45rem;
    font-size: 0.75rem;
  }
}

/* Görünüm Değiştirme Butonu (Liste / Izgara) */
.view-mode-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 2px;
  gap: 2px;
}

.view-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 0.32rem 0.5rem;
  border-radius: calc(var(--radius-md) - 2px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.view-toggle-btn:hover {
  color: var(--text-main);
}

.view-toggle-btn.active {
  background: var(--card-bg);
  color: var(--accent-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* ====================================================================
   LİSTE VE IZGARA GÖRÜNÜM DÜZENLERİ
   ==================================================================== */
.history-list-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 1. LİSTE GÖRÜNÜMÜ */
.history-list-grid.view-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 2. IZGARA (GRID) GÖRÜNÜMÜ */
.history-list-grid.view-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)) !important;
  gap: 0.65rem !important;
}

.history-list-grid.view-grid .history-item-card {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  justify-content: space-between !important;
  padding: 0.75rem 0.8rem !important;
  min-height: 125px !important;
  gap: 0.45rem !important;
  position: relative !important;
  border-radius: var(--radius-md) !important;
  background: var(--card-bg) !important;
  border: 1px solid var(--card-border) !important;
}

.history-list-grid.view-grid .history-item-left {
  display: flex !important;
  flex-direction: column !important;
  align-items: flex-start !important;
  gap: 0.35rem !important;
  width: 100% !important;
}

.history-list-grid.view-grid .star-toggle-btn {
  position: absolute !important;
  top: 0.45rem !important;
  right: 0.45rem !important;
  padding: 0.15rem !important;
  font-size: 1.15rem !important;
}

.history-list-grid.view-grid .history-texts {
  width: 100% !important;
  padding-right: 1.4rem !important;
  gap: 0.25rem !important;
}

.history-list-grid.view-grid .history-source {
  font-size: 0.92rem !important;
  font-weight: 500 !important;
  color: var(--text-muted) !important;
  line-height: 1.3 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.3rem !important;
  width: 100% !important;
}

.history-list-grid.view-grid .history-target {
  font-size: 0.85rem !important;
  font-weight: 500 !important;
  color: var(--text-main) !important;
  line-height: 1.3 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.3rem !important;
  width: 100% !important;
}

.history-list-grid.view-grid .history-source span,
.history-list-grid.view-grid .history-target span {
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  white-space: normal !important;
  text-overflow: ellipsis !important;
  word-break: break-word !important;
  line-height: 1.3 !important;
}

.history-list-grid.view-grid .history-meta {
  font-size: 0.66rem !important;
  margin-top: 0.15rem !important;
  gap: 0.3rem !important;
}

/* Izgara Görünümünde Butonlar KARTIN ALTINDA bağımsız bir alt çubuktur */
.history-list-grid.view-grid .history-item-right {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  background: transparent !important;
  border: none !important;
  border-top: 1px solid var(--card-border) !important;
  border-radius: 0 !important;
  padding: 0.45rem 0 0 0 !important;
  margin-top: 0.25rem !important;
  gap: 0.25rem !important;
}

.history-list-grid.view-grid .history-item-right .icon-action-btn {
  width: 28px !important;
  height: 28px !important;
  font-size: 0.85rem !important;
}

@media (max-width: 768px) {
  .history-list-grid.view-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.45rem !important;
  }
  .history-list-grid.view-grid .history-item-card {
    padding: 0.65rem 0.65rem !important;
    min-height: 115px !important;
  }
  .history-list-grid.view-grid .history-source {
    font-size: 0.88rem !important;
  }
  .history-list-grid.view-grid .history-target {
    font-size: 0.82rem !important;
  }
}

.history-item-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  transition: var(--transition);
}

.history-item-card:hover {
  border-color: var(--card-hover-border);
}

.history-item-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 1;
  min-width: 0;
}

.star-toggle-btn {
  background: none;
  border: none;
  font-size: 1.15rem;
  cursor: pointer;
  color: var(--text-dim);
  padding: 0.2rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.star-toggle-btn.starred {
  color: var(--accent-amber);
  transform: scale(1.1);
}

.history-texts {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  flex: 1;
  overflow: hidden;
}

.history-source {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

.history-target {
  font-size: 0.88rem;
  color: var(--text-main);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

/* Liste görünümünde metinlerin sonsuza kadar aşağı uzamasını önleyen tek satır (ellipsis ...) kuralı */
.history-source span,
.history-target span {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.35;
  display: block;
}

.history-source .icon-action-btn,
.history-target .icon-action-btn {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.history-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
  flex-wrap: wrap;
}

.folder-badge-tag {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  border: 1px solid var(--card-border);
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
}

.history-item-right {
  display: grid;
  grid-template-columns: repeat(2, 31px);
  grid-template-rows: repeat(2, 31px);
  gap: 5px;
  padding: 4px;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
}

.history-item-right .icon-action-btn,
.history-item-right .star-toggle-btn {
  width: 31px;
  height: 31px;
  min-width: 31px;
  min-height: 31px;
  padding: 0;
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.history-item-right .star-toggle-btn {
  font-size: 1.02rem;
  color: var(--text-dim);
}

.history-item-right .star-toggle-btn.starred {
  color: var(--accent-amber);
}

.history-item-right .icon-action-btn:hover,
.history-item-right .star-toggle-btn:hover {
  background: var(--bg-secondary);
}

.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--card-border);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.empty-state h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 1.25rem auto;
  font-size: 0.92rem;
}

/* ====================================================================
   TAB 3: FOLDERS & LESSONS
   ==================================================================== */
.folders-view-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.folders-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.folders-header-bar h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.folders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.75rem;
}

.folder-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 110px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.folder-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-2px);
}

.folder-card-stripe {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.folder-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.45rem;
}

.folder-icon-box {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
}

.folder-actions-menu {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.folder-card-body h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.folder-card-body p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.folder-card-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.folder-word-badge {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* ====================================================================
   TAB 4: STUDY LAB (FLASHCARDS & QUIZ)
   ==================================================================== */
#tabStudy.active {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 120px);
  min-height: calc(100dvh - 120px);
}

.study-view-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
  width: 100%;
  justify-content: center;
}

.study-setup-card {
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 520px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
}

.study-setup-header h2 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  margin-bottom: 0.3rem;
}

.study-setup-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.study-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.study-option-box {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.option-title {
  font-weight: 700;
  font-family: var(--font-heading);
  font-size: 1rem;
}

.word-count-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.mode-selector-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.mode-tab {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.mode-tab:hover {
  border-color: var(--card-hover-border);
}

.mode-tab.active {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.mode-tab .mode-icon {
  font-size: 1.5rem;
}

.mode-tab .mode-info strong {
  display: block;
  font-size: 0.92rem;
}

.mode-tab .mode-info small {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.study-setup-actions {
  display: flex;
  justify-content: flex-end;
}

/* FLASHCARD, QUIZ & STUDY ACTIVE SCENE - SAYFADA DİKEY & YATAY TAM ORTALAMA */
.study-active-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  max-width: 460px;
  margin: auto;
  width: 100%;
  padding: 0.5rem 0;
}

.study-progress-bar-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.progress-bar-track {
  width: 100%;
  height: 7px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* 3D Flashcard - Minimalist & Kompakt */
.flashcard-scene {
  width: 100%;
  max-width: 460px;
  height: 210px;
  perspective: 1200px;
  margin: 0 auto;
}

.flashcard {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.flashcard.is-flipped {
  transform: rotateY(180deg);
}

.flashcard-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: var(--glass-blur);
  padding: 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-md);
  user-select: none;
  overflow: hidden;
  box-sizing: border-box;
}

.flashcard-front {
  border-color: var(--card-border);
}

.flashcard-back {
  transform: rotateY(180deg);
  border-color: var(--card-hover-border);
  background: var(--card-bg);
}

.card-face-badge {
  position: absolute;
  top: 0.65rem;
  left: 0.85rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.card-word-display {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
  word-break: break-word;
  max-height: 115px;
  overflow-y: auto;
  width: 100%;
  line-height: 1.35;
  padding: 0 0.35rem;
  box-sizing: border-box;
  scrollbar-width: thin;
}

.flashcard-back .card-word-display {
  color: var(--accent-primary);
}

.card-hint {
  font-size: 0.74rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
}

.card-sub-info {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.flashcard-sound-btn {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-full);
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.flashcard-sound-btn:hover {
  transform: scale(1.1);
  border-color: var(--accent-primary);
}

.flashcard-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  width: 100%;
  max-width: 460px;
  margin: 0.35rem auto 0 auto;
}

.flashcard-actions .btn {
  flex: 1 1 0;
  min-width: 0;
  padding: 0.52rem 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.study-bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.keyboard-tip {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* QUIZ STYLES - Minimalist & Kompakt */
.quiz-question-card {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 1.15rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  position: relative;
  border-radius: var(--radius-lg);
}

.quiz-badge {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
}

.quiz-question-word {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  word-break: break-word;
  line-height: 1.35;
  max-height: 115px;
  overflow-y: auto;
  width: 100%;
  padding: 0 0.35rem;
  box-sizing: border-box;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  width: 100%;
  margin-top: 0.5rem;
}

.quiz-option-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 0.6rem 0.75rem;
  min-height: 44px;
  height: auto;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  word-break: break-word;
  white-space: normal;
  line-height: 1.35;
  box-sizing: border-box;
}

.quiz-option-btn:hover:not(:disabled) {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.quiz-option-btn.correct {
  background: rgba(16, 185, 129, 0.15) !important;
  border-color: var(--accent-emerald) !important;
  color: var(--accent-emerald) !important;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3) !important;
}

.quiz-option-btn.incorrect {
  background: rgba(244, 63, 94, 0.15) !important;
  border-color: var(--accent-rose) !important;
  color: var(--accent-rose) !important;
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.3) !important;
}

.quiz-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* RESULTS CARD */
.study-results-card {
  text-align: center;
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
  max-width: 540px;
  margin: 0 auto;
}

.result-celebration-icon {
  font-size: 3.5rem;
}

.results-stats-row {
  display: flex;
  gap: 1.25rem;
  margin: 0.75rem 0;
}

.res-stat-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.res-stat-card.success .num { color: var(--accent-emerald); }
.res-stat-card.success { border-color: rgba(16, 185, 129, 0.35); }
.res-stat-card.warning .num { color: var(--accent-rose); }
.res-stat-card.warning { border-color: rgba(244, 63, 94, 0.35); }

.res-stat-card .num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
}

.res-stat-card .lbl {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.results-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ====================================================================
   MODALS
   ==================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.2s ease-out;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: scaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 1.15rem 1.35rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.4rem;
}

.modal-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 0.9rem 1.35rem;
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.text-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  min-height: 44px;
  outline: none;
  transition: var(--transition);
}

.text-input:focus {
  border-color: var(--accent-primary);
}

.color-picker-palette {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.color-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  transition: var(--transition);
}

.color-dot input {
  display: none;
}

.color-dot:has(input:checked) {
  border-color: #fff;
  transform: scale(1.15);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

.icon-picker-palette {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.icon-choice {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
}

.icon-choice input {
  display: none;
}

.icon-choice:has(input:checked) {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
  transform: scale(1.1);
}

.folder-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-height: 220px;
  overflow-y: auto;
}

.checklist-item {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  min-height: 44px;
  transition: var(--transition);
}

.checklist-item:hover {
  border-color: var(--card-hover-border);
}

.checklist-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.modal-quick-create {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.modal-quick-create input {
  flex: 1;
}

/* ====================================================================
   Yedekleme & Bulut Senkronizasyon Kartları
   ==================================================================== */
.backup-cloud-card {
  border-radius: var(--radius-md);
  padding: 1.15rem;
  margin-bottom: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: all 0.2s ease;
}

.backup-cloud-card.guest-promo {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
}

.backup-cloud-card.active-sync {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
}

.backup-cloud-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--accent-primary);
  border: 1px solid var(--card-border);
}

.backup-cloud-badge.active {
  background: var(--bg-secondary);
  color: var(--accent-primary);
  border-color: var(--card-border);
}

.backup-cloud-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.backup-cloud-desc {
  font-size: 0.83rem;
  line-height: 1.45;
  color: var(--text-muted);
  margin: 0;
}

.backup-google-btn {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.92rem;
  margin-top: 0.25rem;
  cursor: pointer;
}

.backup-cloud-account-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cloud-user-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.cloud-user-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  overflow: hidden;
}

.cloud-user-meta strong {
  font-size: 0.95rem;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cloud-user-meta small {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.backup-cloud-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.backup-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.15rem 0 0.85rem 0;
  color: var(--text-dim);
}

.backup-divider::before,
.backup-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--card-border);
}

.backup-divider span {
  padding: 0 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.backup-action-boxes {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.backup-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.backup-box h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
}

.backup-box p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ====================================================================
   TOASTS
   ==================================================================== */
.toast-container {
  position: fixed;
  top: max(1rem, calc(env(safe-area-inset-top, 0px) + 0.85rem));
  right: max(1rem, env(safe-area-inset-right, 0px));
  left: max(1rem, env(safe-area-inset-left, 0px));
  z-index: 250;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.15rem;
  box-shadow: var(--shadow-lg);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  pointer-events: auto;
  max-width: 480px;
  width: 100%;
  animation: slideDownToast 0.25s ease-out;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.toast.success { border-left-color: var(--accent-primary); }
.toast.error { border-left-color: var(--accent-rose); }
.toast.info { border-left-color: var(--accent-primary); }

@keyframes slideDownToast {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====================================================================
   MOBİL İÇİN ÖZEL UYARLAMALAR (RESPONSIVE OPTIMIZATIONS)
   ==================================================================== */
@media (max-width: 768px) {
  /* Masaüstü Nav gizle, Mobil Bottom Nav göster */
  .desktop-main-nav {
    display: none;
  }
  .app-bottom-nav {
    display: block;
  }
  .quick-stats {
    display: none;
  }
  /* Mobilde dikey yer kaplayan istatistik şeridini gizle (Ultra Minimalist Google Translate Hissi) */
  .mobile-stats-bar {
    display: none !important;
  }
  .hide-on-mobile {
    display: none !important;
  }

  /* Header'ı mobilde kompakt ve Dinamik Ada (iPhone Dynamic Island) güvenli alanına tam uyumlu yap */
  .app-header {
    padding-top: max(0.4rem, env(safe-area-inset-top, 0.4rem));
    padding-bottom: 0.4rem;
    padding-left: max(0.75rem, env(safe-area-inset-left, 0.75rem));
    padding-right: max(0.75rem, env(safe-area-inset-right, 0.75rem));
  }
  .header-container {
    min-height: 44px;
  }
  .brand-text h1 {
    font-size: 1.18rem;
  }
  .badge-free {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
  }

  /* İçerik alt boşluğu (Bottom Nav altında kalmaması için) */
  .main-content {
    margin: 0.45rem auto;
    padding: 0 0.65rem calc(4.75rem + env(safe-area-inset-bottom, 0)) 0.65rem;
  }

  .translate-wrapper {
    gap: 0.55rem;
  }

  /* Google Translate Tarzı Bitişik & Minimalist Tek Blok Kart Düzeni */
  .translate-cards-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.16);
  }

  .translate-card {
    min-height: auto;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }

  /* Üst Bölüm: Metin Giriş Alanı - Klavye Açıldığında Çevirinin Rahat Gözükmesi İçin Daraltılmış */
  .translate-card.source-card {
    padding: 0.35rem 0.75rem 0.15rem 0.75rem;
  }

  .translate-card.source-card .card-header {
    margin-bottom: 0.05rem;
    min-height: 18px;
  }

  .translate-textarea {
    font-size: 1.1rem;
    min-height: 44px;
    max-height: 130px;
    line-height: 1.35;
    padding: 0.1rem 0;
  }

  .translate-card.source-card .card-footer {
    border-top: none;
    margin-top: 0.1rem;
    padding-top: 0.1rem;
    padding-bottom: 0.1rem;
  }

  /* Alt Bölüm: Çeviri Sonucu (Doğrudan Girişin Hemen Altında) */
  .translate-card.target-card {
    border-top: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.02);
    padding: 0.45rem 0.75rem 0.35rem 0.75rem;
  }

  [data-theme="light"] .translate-card.target-card {
    background: rgba(0, 0, 0, 0.025);
  }

  /* Mobilde ekstra 'Çeviri Sonucu' başlığı yer kaplamasın */
  .translate-card.target-card .card-header {
    display: none;
  }

  .translate-result-wrapper {
    min-height: 38px;
  }

  .translate-result-text {
    font-size: 1.12rem;
    font-weight: 500;
    color: var(--text-main);
    line-height: 1.6;
    min-height: 36px;
    padding: 0.1rem 0;
  }

  .translate-result-text.empty {
    color: var(--text-dim);
    font-weight: 500;
    font-style: normal;
    font-size: 1.12rem;
  }

  .translate-card.target-card .card-footer {
    border-top: none;
    margin-top: 0.15rem;
    padding-top: 0.15rem;
    flex-wrap: wrap;
    gap: 0.3rem;
  }

  /* Dil Seçim Çubuğu mobilde sıkılaştır */
  .google-lang-bar {
    padding: 0.4rem 0.6rem;
    gap: 0.3rem;
    border-radius: var(--radius-md);
  }

  .lang-pill {
    font-size: 0.82rem;
    padding: 0.35rem 0.55rem;
  }

  .google-swap-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }

  .lang-dropdown-pill {
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
    max-width: 105px;
  }

  /* Kart alt aksiyonları */
  .footer-right .btn {
    padding: 0.42rem 0.7rem;
    font-size: 0.8rem;
  }

  .recent-strip-container {
    margin-top: 0.5rem;
  }

  /* Flashcard mobilde ekran yüksekliğine uyumlu */
  .flashcard-scene {
    height: 210px;
  }

  .flashcard-face {
    padding: 1.5rem 1rem;
  }

  .card-word-display {
    font-size: 1.65rem;
  }

  #tabStudy.active {
    min-height: calc(100dvh - 105px);
  }

  .study-active-area {
    margin: auto;
    gap: 0.65rem;
    padding: 0.35rem 0;
  }

  /* Flashcard butonları tek sırada yan yana */
  .flashcard-actions {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
    width: 100%;
    margin-top: 0.35rem;
  }

  .flashcard-actions .btn {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    padding: 0.5rem 0.25rem !important;
    font-size: 0.79rem !important;
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.2rem !important;
  }

  #flipCardBtn {
    grid-column: auto !important;
  }

  /* Quiz mobilde kompakt butonlar */
  .quiz-options-grid {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .quiz-option-btn {
    min-height: 42px;
    font-size: 0.88rem;
    padding: 0.6rem 0.8rem;
  }

  .study-options-grid {
    grid-template-columns: 1fr;
  }

  .full-on-mobile {
    width: 100%;
  }

  /* Modallar Mobilde Bottom Sheet Görünümü */
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  .modal-dialog {
    border-radius: 20px 20px 0 0;
    max-height: 85vh;
  }

  /* SADECE Liste görünümünde (.view-list) kartlar tek satırda yatay kalır */
  .history-list-grid.view-list .history-item-card {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 0.45rem !important;
    padding: 0.45rem 0.65rem !important;
    min-height: unset !important;
  }

  .history-list-grid.view-list .history-item-left {
    width: auto !important;
    flex: 1 !important;
    min-width: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.45rem !important;
  }

  .history-list-grid.view-list .history-item-right {
    width: auto !important;
    border: 1px solid var(--card-border) !important;
    background: var(--bg-tertiary) !important;
    border-radius: var(--radius-md) !important;
    padding: 4px !important;
    margin-top: 0 !important;
    display: grid !important;
    grid-template-columns: repeat(2, 31px) !important;
    grid-template-rows: repeat(2, 31px) !important;
    gap: 5px !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
  }

  .history-list-grid.view-list .history-item-right .icon-action-btn,
  .history-list-grid.view-list .history-item-right .star-toggle-btn {
    width: 31px !important;
    height: 31px !important;
    min-width: 31px !important;
    min-height: 31px !important;
    padding: 0 !important;
    margin: 0 !important;
    font-size: 0.92rem !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: transparent !important;
    border: none !important;
    border-radius: var(--radius-sm) !important;
    cursor: pointer !important;
  }

  .history-list-grid.view-list .history-item-right .star-toggle-btn {
    font-size: 1.02rem !important;
  }
}

/* ====================================================================
   KLASÖR DETAY VE İÇERİK STİLLERİ
   ==================================================================== */
.folder-detail-header {
  padding: 0.75rem 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}

.folder-detail-top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.5rem;
}

.folder-detail-top-nav .btn {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.delete-folder-btn {
  color: var(--accent-rose) !important;
  border-color: rgba(244, 63, 94, 0.3) !important;
}

.delete-folder-btn:hover {
  background: rgba(244, 63, 94, 0.1) !important;
  border-color: var(--accent-rose) !important;
}

.folder-detail-study-row {
  width: 100%;
  margin-top: 0.15rem;
}

.study-folder-btn {
  width: 100%;
  padding: 0.52rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: var(--radius-md);
  background: var(--accent-primary);
  color: var(--text-on-accent);
  border: none;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
}

.study-folder-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.folder-detail-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.folder-detail-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.folder-detail-meta {
  flex: 1;
}

.folder-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.folder-title-row h2 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.folder-badge-count {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  border: 1px solid var(--card-border);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}

.folder-detail-meta p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.folder-card-clickable {
  cursor: pointer;
}

.folder-card-clickable:hover {
  border-color: var(--card-hover-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.folder-view-words-btn {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.folder-view-words-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--bg-tertiary);
}

@media (max-width: 768px) {
  .folder-detail-header {
    padding: 0.75rem 0.85rem;
    gap: 0.5rem;
  }
  .folder-detail-icon {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }
  .folder-title-row h2 {
    font-size: 1.1rem;
  }
}


/* ====================================================================
   YAZMA PRATİĞİ (TYPING / SPELLING PRACTICE) STİLLERİ
   ==================================================================== */
.typing-card {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 1.15rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  position: relative;
  border-radius: var(--radius-lg);
}

.typing-badge {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
}

.typing-prompt-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.typing-prompt-meaning {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  word-break: break-word;
  max-height: 110px;
  overflow-y: auto;
  width: 100%;
  padding: 0 0.35rem;
  box-sizing: border-box;
}

.typing-hint-display {
  font-family: monospace;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(245, 158, 11, 0.4);
  max-width: 100%;
  word-break: break-word;
  white-space: normal;
  line-height: 1.4;
  box-sizing: border-box;
}

.typing-input-wrapper {
  width: 100%;
  max-width: 420px;
  display: flex;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.typing-field {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  outline: none;
  text-align: center;
  min-height: 40px;
  transition: var(--transition);
}

.typing-field:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--card-border);
}

.typing-field.correct {
  border-color: var(--accent-emerald) !important;
  background: rgba(16, 185, 129, 0.1) !important;
  color: var(--accent-emerald) !important;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.25) !important;
}

.typing-field.incorrect {
  border-color: var(--accent-rose) !important;
  background: rgba(244, 63, 94, 0.1) !important;
  color: var(--accent-rose) !important;
  box-shadow: 0 0 10px rgba(244, 63, 94, 0.25) !important;
}

.typing-submit-btn {
  white-space: nowrap;
}

.typing-feedback-box {
  width: 100%;
  max-width: 520px;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  animation: fadeIn 0.2s ease-out;
}

.typing-feedback-box.correct {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
}

.typing-feedback-box.incorrect {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: var(--accent-rose);
}

.typing-feedback-text {
  font-size: 1rem;
  font-weight: 600;
}

.typing-helpers-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 0.25rem;
}

.typing-helper-btn {
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .typing-card {
    padding: 1rem 0.85rem;
    gap: 0.65rem;
  }
  .typing-prompt-meaning {
    font-size: 1.25rem;
  }
  .typing-input-wrapper {
    flex-direction: row;
    gap: 0.35rem;
  }
  .typing-submit-btn {
    width: auto;
    padding: 0.5rem 0.85rem;
    font-size: 0.82rem;
  }
}


/* ====================================================================
   GOOGLE TRANSLATE DİL SEÇİM BARI & İKİLİ OK (SWAP) STİLLERİ
   ==================================================================== */
.google-lang-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 0.65rem 1rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.lang-column {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

.lang-pills-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.15rem 0;
}

.lang-pills-row::-webkit-scrollbar {
  display: none;
}

.lang-pill {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.lang-pill:hover {
  color: var(--text-main);
  background: var(--bg-tertiary);
}

.lang-pill.active {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  font-weight: 700;
  box-shadow: none;
}

.dropdown-pill-wrapper {
  position: relative;
  display: inline-flex;
}

.lang-dropdown-pill {
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.48rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  outline: none;
  transition: var(--transition);
  max-width: 140px;
}

.lang-dropdown-pill:focus, .lang-dropdown-pill.custom-selected {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--bg-tertiary);
}

/* İKİLİ OK (SWAP) BUTONU */
.google-swap-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s, color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-sm);
}

.google-swap-btn:hover {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
  transform: scale(1.08);
}

.google-swap-btn:active {
  transform: scale(0.95);
}

.google-swap-btn.rotating {
  transform: rotate(180deg) scale(1.1);
}

@media (max-width: 768px) {
  .google-lang-bar {
    padding: 0.5rem 0.65rem;
    gap: 0.4rem;
  }
  .lang-pill {
    font-size: 0.85rem;
    padding: 0.4rem 0.65rem;
  }
  .google-swap-btn {
    width: 38px;
    height: 38px;
  }
  .lang-dropdown-pill {
    padding: 0.4rem 0.6rem;
    font-size: 0.82rem;
    max-width: 110px;
  }
}


/* Yıldız butonu ana kapsül kuralı içinde yönetilmektedir */

/* Soldaki seslendirme butonunun metinle hizalanması */
.history-source .icon-action-btn,
.history-target .icon-action-btn {
  flex-shrink: 0;
  width: 24px !important;
  min-width: 24px !important;
  height: 24px !important;
  padding: 0 !important;
  font-size: 0.85rem !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}


/* Geçmiş metin alanına tıklanabilirlik ve düzenleme hissi */
.history-texts {
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: opacity 0.2s ease, transform 0.1s ease;
}

.history-texts:hover {
  opacity: 0.9;
}

.history-texts:active {
  transform: scale(0.995);
}


/* ====================================================================
   KAMERA & FOTOĞRAFTAN ÇEVİRİ STİLLERİ (GOOGLE LENS DENEYİMİ)
   ==================================================================== */
.camera-ocr-dialog {
  max-width: 440px;
  width: 95%;
}

.camera-modal-body {
  padding: 1.25rem 1rem;
}

.camera-hint-text {
  font-size: 0.88rem;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 1.25rem;
  line-height: 1.45;
}

.camera-action-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.camera-choice-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1.15rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background: var(--bg-tertiary);
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.camera-choice-btn:hover,
.camera-choice-btn:active {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  background: var(--bg-tertiary);
}

.primary-lens-btn {
  border-color: var(--card-hover-border);
  background: var(--bg-tertiary);
}

.lens-btn-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.lens-btn-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.lens-btn-text strong {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-main);
}

.lens-btn-text small {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* Tarama Ekranı ve Lazer Efekti */
.camera-scanning-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.scan-preview-box {
  position: relative;
  width: 100%;
  max-height: 250px;
  min-height: 160px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--card-border);
}

.scan-preview-img {
  max-width: 100%;
  max-height: 250px;
  object-fit: contain;
  opacity: 0.85;
}

.laser-scanner-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  animation: laserScan 1.6s ease-in-out infinite alternate;
}

@keyframes laserScan {
  0% { top: 6%; }
  100% { top: 92%; }
}

.scan-status-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.scan-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--card-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.scan-sub-tip {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: center;
  margin: 0;
}


/* ====================================================================
   FOTOĞRAF KIRPMA (CROPPER) & METİN SEÇİM ALANI
   ==================================================================== */
.camera-crop-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.crop-hint-tip {
  font-size: 0.84rem;
  color: var(--text-dim);
  text-align: center;
  margin: 0;
}

.crop-container-wrapper {
  width: 100%;
  max-height: 310px;
  min-height: 180px;
  background: #1A1210;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--card-border);
}

.crop-target-img {
  max-width: 100%;
  max-height: 310px;
  display: block;
}

.crop-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  width: 100%;
  margin-top: 0.25rem;
}

.crop-action-bar .btn {
  flex: 1;
  padding: 0.55rem 0.5rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

/* Cropper Özel Tema Çizgileri & Noktaları */
.cropper-view-box {
  outline: 2px solid var(--accent-primary) !important;
  outline-color: var(--accent-primary) !important;
}

.cropper-line {
  background-color: var(--accent-primary) !important;
}

.cropper-point {
  background-color: var(--accent-primary) !important;
  width: 10px !important;
  height: 10px !important;
  border-radius: 50% !important;
}


/* ====================================================================
   STANDART & HOMOJEN METİN TİPOGRAFİSİ (KOPYALAMA & GÖRSEL KORUMASI)
   ==================================================================== */
.translate-textarea,
.translate-result-text {
  font-family: var(--font-body) !important;
  font-size: 1.12rem !important;
  font-weight: 500 !important;
  line-height: 1.6 !important;
  color: var(--text-main) !important;
  letter-spacing: normal !important;
  word-break: break-word !important;
  text-rendering: optimizeLegibility !important;
  -webkit-font-smoothing: antialiased !important;
}

.translate-result-text.empty {
  color: var(--text-dim) !important;
  font-style: normal !important;
  font-weight: 500 !important;
}

/* ====================================================================
   Hesap & Senkron (Supabase)
   ==================================================================== */
.auth-btn { display: inline-flex; align-items: center; gap: 0.4rem; max-width: 220px; }
.auth-btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.auth-avatar { width: 20px; height: 20px; border-radius: 50%; object-fit: cover; }

.sync-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  background: var(--bg-tertiary);
  white-space: nowrap;
  transition: all var(--transition);
}
.sync-indicator::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  display: inline-block;
  flex-shrink: 0;
}

/* Senkronize: YEŞİL */
.sync-indicator[data-state="synced"] {
  color: #10b981;
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
}
.sync-indicator[data-state="synced"]::before {
  background: #10b981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

/* Senkronize ediliyor: MAVİ */
.sync-indicator[data-state="syncing"] {
  color: #3b82f6;
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
}
.sync-indicator[data-state="syncing"]::before {
  background: #3b82f6;
  box-shadow: 0 0 6px rgba(59, 130, 246, 0.6);
  animation: syncPulse 1s ease-in-out infinite;
}

/* Senkronize değil / Çevrimdışı / Hata / Bekliyor: KIRMIZI */
.sync-indicator[data-state="offline"],
.sync-indicator[data-state="pending"],
.sync-indicator[data-state="error"],
.sync-indicator[data-state="guest"] {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
}
.sync-indicator[data-state="offline"]::before,
.sync-indicator[data-state="pending"]::before,
.sync-indicator[data-state="error"]::before,
.sync-indicator[data-state="guest"]::before {
  background: #ef4444;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.6);
}
@keyframes syncPulse { 50% { opacity: 0.25; } }

.guest-banner {
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--text-main);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--card-border);
}

.auth-actions { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.75rem; }
.auth-check { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-muted); }

@media (max-width: 640px) {
  .header-actions {
    gap: 0.35rem;
  }
  .auth-btn {
    padding: 0.35rem 0.5rem;
    min-width: 34px;
    height: 34px;
    justify-content: center;
    border-radius: var(--radius-full);
  }
  .auth-btn-icon {
    font-size: 1rem;
    line-height: 1;
  }
  .sync-indicator { 
    font-size: 0.65rem; 
    padding: 0.18rem 0.45rem; 
  }
}

.auth-sync-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.auth-sync-pending { font-size: 0.8rem; color: var(--text-muted); }