/* ═══════════════════════════════════════════════════════════════════════════
   Localization Hub - Multi-App Admin Panel
   Obsidian Luxe Theme with Golden Accents
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─────────────────────────────────────────────────────────────────────────────
   CSS Variables & Design Tokens
   ───────────────────────────────────────────────────────────────────────────── */
:root {
  --bg-primary: #08080c;
  --bg-secondary: #0f0f15;
  --bg-tertiary: #16161f;
  --bg-elevated: #1d1d28;

  --surface-glass: rgba(255, 255, 255, 0.02);
  --surface-glass-hover: rgba(255, 255, 255, 0.04);
  --surface-glass-active: rgba(255, 255, 255, 0.06);

  --text-primary: #f5f5f7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-inverse: #08080c;

  --accent-gold: #d4a853;
  --accent-gold-light: #e8c068;
  --accent-gold-dark: #b8923f;
  --accent-gold-glow: rgba(212, 168, 83, 0.35);
  --accent-gold-subtle: rgba(212, 168, 83, 0.12);

  --success: #34d399;
  --success-subtle: rgba(52, 211, 153, 0.15);
  --warning: #fbbf24;
  --warning-subtle: rgba(251, 191, 36, 0.15);
  --error: #f87171;
  --error-subtle: rgba(248, 113, 113, 0.15);
  --info: #60a5fa;
  --info-subtle: rgba(96, 165, 250, 0.15);

  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-default: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(212, 168, 83, 0.35);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 50px var(--accent-gold-glow);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);

  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  --sidebar-width: 260px;
  --header-height: 80px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; min-height: 100vh; overflow-x: hidden; }
::selection { background: var(--accent-gold); color: var(--text-inverse); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: var(--radius-full); border: 2px solid var(--bg-secondary); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* App Container */
#app { position: relative; min-height: 100vh; background: var(--bg-primary); }

.ambient-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 168, 83, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 0% 100%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
}

.glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.5; animation: float 25s ease-in-out infinite; }
.glow-1 { width: 700px; height: 700px; background: radial-gradient(circle, rgba(212, 168, 83, 0.15) 0%, transparent 70%); top: -300px; right: -200px; }
.glow-2 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%); bottom: -200px; left: -150px; animation-delay: -8s; }
.glow-3 { width: 400px; height: 400px; background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%); top: 40%; left: 30%; animation-delay: -16s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(40px, -40px) scale(1.08); }
  50% { transform: translate(-30px, 30px) scale(0.94); }
  75% { transform: translate(30px, 40px) scale(1.04); }
}

.screen { position: relative; z-index: 1; min-height: 100vh; }
.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════════════════════════════
   LOGIN SCREEN
   ═══════════════════════════════════════════════════════════════════════════ */
#login-screen {
  display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: var(--space-6);
  background: radial-gradient(ellipse 100% 100% at 50% 0%, rgba(212, 168, 83, 0.06) 0%, transparent 60%), var(--bg-primary);
}

.login-container { width: 100%; max-width: 440px; animation: fadeInUp 0.9s cubic-bezier(0.34, 1.56, 0.64, 1); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }

.login-brand { text-align: center; margin-bottom: var(--space-12); }
.brand-icon { width: 88px; height: 88px; margin: 0 auto var(--space-6); animation: pulse-glow 4s ease-in-out infinite; filter: drop-shadow(0 0 30px var(--accent-gold-glow)); }

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 25px var(--accent-gold-glow)); transform: scale(1); }
  50% { filter: drop-shadow(0 0 45px var(--accent-gold-glow)); transform: scale(1.02); }
}

.brand-title {
  font-family: var(--font-display); font-size: 3rem; font-weight: 600; letter-spacing: 0.03em;
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 40%, var(--accent-gold-dark) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.brand-subtitle { font-size: 0.8125rem; font-weight: 500; color: var(--text-muted); letter-spacing: 0.25em; text-transform: uppercase; margin-top: var(--space-3); }

.login-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.login-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent 0%, var(--accent-gold) 50%, transparent 100%); opacity: 0.4; }

.login-header { text-align: center; margin-bottom: var(--space-8); }
.login-header h2 { font-family: var(--font-display); font-size: 1.875rem; font-weight: 500; color: var(--text-primary); margin-bottom: var(--space-2); }
.login-header p { color: var(--text-secondary); font-size: 0.9375rem; }

.login-form { display: flex; flex-direction: column; gap: var(--space-6); }
.input-group { display: flex; flex-direction: column; gap: var(--space-2); }
.input-group label { font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); letter-spacing: 0.03em; text-transform: uppercase; }

.input-wrapper { position: relative; }
.input-wrapper input {
  width: 100%; padding: var(--space-4) var(--space-5); padding-right: 54px;
  background: var(--bg-secondary); border: 1px solid var(--border-default); border-radius: var(--radius-md);
  color: var(--text-primary); font-size: 1rem; font-family: var(--font-mono); letter-spacing: 0.05em;
  transition: var(--transition-base); box-shadow: var(--shadow-inner);
}
.input-wrapper input:hover { border-color: var(--border-strong); }
.input-wrapper input:focus { outline: none; border-color: var(--accent-gold); box-shadow: var(--shadow-inner), 0 0 0 4px var(--accent-gold-subtle); }
.input-wrapper input::placeholder { color: var(--text-muted); font-family: var(--font-body); letter-spacing: 0; }

.toggle-password {
  position: absolute; right: var(--space-4); top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text-muted); cursor: pointer;
  padding: var(--space-2); display: flex; align-items: center; justify-content: center;
  transition: var(--transition-fast); border-radius: var(--radius-sm);
}
.toggle-password:hover { color: var(--text-secondary); background: var(--surface-glass-hover); }
.toggle-password svg { width: 20px; height: 20px; }
.toggle-password .hidden { display: none; }

.btn-login {
  display: flex; align-items: center; justify-content: center; gap: var(--space-3);
  width: 100%; padding: var(--space-4) var(--space-6);
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 50%, var(--accent-gold-dark) 100%);
  border: none; border-radius: var(--radius-md); color: var(--text-inverse);
  font-size: 1rem; font-weight: 600; letter-spacing: 0.02em; cursor: pointer;
  transition: var(--transition-base); position: relative; overflow: hidden;
  box-shadow: 0 4px 20px var(--accent-gold-glow);
}
.btn-login:hover { transform: translateY(-3px); box-shadow: 0 6px 30px var(--accent-gold-glow), 0 12px 50px rgba(212, 168, 83, 0.2); }
.btn-login:active { transform: translateY(-1px); }
.btn-login svg { width: 20px; height: 20px; transition: var(--transition-fast); }
.btn-login:hover svg { transform: translateX(5px); }

.error-message { color: var(--error); font-size: 0.8125rem; text-align: center; min-height: 20px; font-weight: 500; }

.login-footer {
  text-align: center; margin-top: var(--space-8); font-size: 0.75rem; color: var(--text-muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; align-items: center; justify-content: center; gap: var(--space-2);
}
.login-footer::before, .login-footer::after { content: ''; width: 24px; height: 1px; background: linear-gradient(90deg, transparent, var(--border-default), transparent); }

/* ═══════════════════════════════════════════════════════════════════════════
   MAIN SCREEN LAYOUT
   ═══════════════════════════════════════════════════════════════════════════ */
#main-screen { min-height: 100vh; animation: fadeIn 0.5s ease-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Sidebar */
.sidebar {
  position: fixed; left: 0; top: 0; width: var(--sidebar-width); height: 100vh;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-right: 1px solid var(--border-subtle);
  display: flex; flex-direction: column; z-index: 100;
}

.sidebar-brand { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-6); border-bottom: 1px solid var(--border-subtle); }
.brand-icon-small { width: 40px; height: 40px; flex-shrink: 0; filter: drop-shadow(0 0 15px var(--accent-gold-glow)); }
.brand-text {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 600;
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.sidebar-nav { flex: 1; padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-1); }
.nav-item {
  display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); color: var(--text-secondary); text-decoration: none;
  font-size: 0.9375rem; font-weight: 500; transition: var(--transition-base); position: relative;
}
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.nav-item:hover:not(.disabled) { background: var(--surface-glass-hover); color: var(--text-primary); }
.nav-item.active { background: var(--accent-gold-subtle); color: var(--accent-gold); }
.nav-item.active::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 24px; background: var(--accent-gold); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sidebar-footer { padding: var(--space-4); border-top: 1px solid var(--border-subtle); }
.btn-logout {
  display: flex; align-items: center; gap: var(--space-3); width: 100%; padding: var(--space-3) var(--space-4);
  background: transparent; border: 1px solid var(--border-default); border-radius: var(--radius-md);
  color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: var(--transition-base);
}
.btn-logout svg { width: 18px; height: 18px; }
.btn-logout:hover { background: var(--error-subtle); border-color: var(--error); color: var(--error); }

/* Main Content */
.main-content { margin-left: var(--sidebar-width); padding: var(--space-8); min-height: 100vh; display: flex; flex-direction: column; gap: var(--space-6); }

.main-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-6); }
.header-left { flex: 1; }
.page-title { font-family: var(--font-display); font-size: 2.25rem; font-weight: 600; margin-bottom: var(--space-2); }
.page-subtitle { color: var(--text-secondary); font-size: 0.9375rem; }

.header-actions { display: flex; gap: var(--space-3); }
.btn-action { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: var(--transition-base); }
.btn-action svg { width: 18px; height: 18px; }
.btn-secondary { background: var(--surface-glass); border: 1px solid var(--border-default); color: var(--text-secondary); }
.btn-secondary:hover { background: var(--surface-glass-hover); border-color: var(--border-strong); color: var(--text-primary); }

/* Stats Grid */
.stats-grid { display: flex; flex-direction: row; flex-wrap: wrap; gap: var(--space-4); width: 100%; }
.stat-card {
  flex: 0 1 auto; display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4) var(--space-6); background: var(--surface-glass);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  min-width: 200px; transition: var(--transition-base);
}
.stat-card:hover { background: var(--surface-glass-hover); border-color: var(--border-default); transform: translateY(-2px); }
.stat-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--accent-gold-subtle); border-radius: var(--radius-md); color: var(--accent-gold); }
.stat-icon svg { width: 24px; height: 24px; }
.stat-content { display: flex; flex-direction: column; }
.stat-value { font-size: 1.625rem; font-weight: 600; font-family: var(--font-mono); line-height: 1.2; }
.stat-label { font-size: 0.8125rem; color: var(--text-muted); }
.stat-total .stat-icon { background: var(--accent-gold-subtle); color: var(--accent-gold); }
.stat-lang .stat-icon { background: var(--info-subtle); color: var(--info); }

/* Controls Bar */
.controls-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); background: var(--surface-glass); padding: var(--space-3) var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); width: 100%; }
.search-box { display: flex; align-items: center; gap: var(--space-3); flex: 1; max-width: 400px; padding: var(--space-3) var(--space-4); background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); transition: var(--transition-base); }
.search-box:focus-within { border-color: var(--accent-gold); box-shadow: 0 0 0 4px var(--accent-gold-subtle); }
.search-box svg { width: 18px; height: 18px; color: var(--text-muted); flex-shrink: 0; }
.search-box input { flex: 1; background: transparent; border: none; color: var(--text-primary); font-size: 0.9375rem; outline: none; }
.search-box input::placeholder { color: var(--text-muted); }
.search-box kbd { padding: var(--space-1) var(--space-2); background: var(--bg-tertiary); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.6875rem; color: var(--text-muted); }
.search-box:focus-within kbd { opacity: 0; }

.controls-right { display: flex; align-items: center; gap: var(--space-3); }
.select-filter {
  padding: var(--space-3) var(--space-4); padding-right: var(--space-10);
  background: var(--bg-secondary); border: 1px solid var(--border-default); border-radius: var(--radius-md);
  color: var(--text-primary); font-size: 0.875rem; cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; transition: var(--transition-base);
}
.select-filter:hover { border-color: var(--border-strong); }
.select-filter:focus { outline: none; border-color: var(--accent-gold); box-shadow: 0 0 0 4px var(--accent-gold-subtle); }

.btn-primary {
  display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-5);
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
  border: none; border-radius: var(--radius-md); color: var(--text-inverse);
  font-size: 0.875rem; font-weight: 600; cursor: pointer; transition: var(--transition-base);
  box-shadow: 0 2px 12px var(--accent-gold-glow);
}
.btn-primary svg { width: 16px; height: 16px; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 20px var(--accent-gold-glow); }
.btn-primary:active { transform: translateY(0); }

/* Table Styles */
.table-wrapper { flex: 1; display: flex; flex-direction: column; background: var(--surface-glass); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; }
.table-container { flex: 1; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead { position: sticky; top: 0; z-index: 10; }
th { padding: var(--space-4) var(--space-5); background: var(--bg-tertiary); border-bottom: 1px solid var(--border-default); text-align: left; font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; white-space: nowrap; }
.th-key { min-width: 200px; }
.th-context { min-width: 180px; }
.th-actions { width: 100px; text-align: center; }
.th-lang { min-width: 150px; }
.th-lang .lang-code { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-1) var(--space-2); background: var(--surface-glass); border-radius: var(--radius-sm); font-size: 0.6875rem; margin-left: var(--space-2); }

td { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-subtle); font-size: 0.9375rem; vertical-align: middle; }
tbody tr { transition: var(--transition-fast); position: relative; }
tbody tr::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent-gold); opacity: 0; transition: var(--transition-fast); }
tbody tr:hover { background: var(--surface-glass-hover); }
tbody tr:hover::before { opacity: 1; }
tbody tr:last-child td { border-bottom: none; }

.key-cell { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--accent-gold); font-weight: 500; }
.context-cell { color: var(--text-secondary); font-size: 0.8125rem; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.translation-cell { max-width: 250px; }
.translation-value { display: block; padding: var(--space-2) var(--space-3); background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); font-size: 0.8125rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; transition: var(--transition-fast); }
.translation-value:hover { border-color: var(--accent-gold); }
.translation-value.empty { color: var(--text-muted); font-style: italic; border-style: dashed; }

.actions-cell { text-align: center; }
.action-buttons { display: flex; align-items: center; justify-content: center; gap: var(--space-2); }
.btn-icon { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; background: transparent; border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); color: var(--text-secondary); cursor: pointer; transition: var(--transition-fast); }
.btn-icon svg { width: 16px; height: 16px; }
.btn-icon:hover { background: var(--surface-glass-hover); border-color: var(--border-default); color: var(--text-primary); }
.btn-icon.btn-edit:hover { background: var(--info-subtle); border-color: var(--info); color: var(--info); }
.btn-icon.btn-delete:hover { background: var(--error-subtle); border-color: var(--error); color: var(--error); }

.empty-state { text-align: center; padding: var(--space-16) var(--space-8); color: var(--text-muted); }
.empty-state svg { width: 64px; height: 64px; margin-bottom: var(--space-4); opacity: 0.3; }
.empty-state h3 { font-size: 1.125rem; font-weight: 500; color: var(--text-secondary); margin-bottom: var(--space-2); }
.empty-state p { font-size: 0.875rem; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); border-top: 1px solid var(--border-subtle); background: var(--bg-tertiary); }
.btn-page { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-4); background: transparent; border: 1px solid var(--border-default); border-radius: var(--radius-md); color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: var(--transition-base); }
.btn-page svg { width: 16px; height: 16px; }
.btn-page:hover:not(:disabled) { background: var(--surface-glass-hover); border-color: var(--border-strong); color: var(--text-primary); }
.btn-page:disabled { opacity: 0.4; cursor: not-allowed; }
.page-numbers { font-size: 0.875rem; color: var(--text-secondary); }
#page-info { font-family: var(--font-mono); }

/* Modal Styles */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: var(--space-6); }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.75); backdrop-filter: blur(8px); animation: fadeIn 0.2s ease-out; }
.modal-content { position: relative; width: 100%; max-width: 500px; max-height: 90vh; background: var(--bg-secondary); border: 1px solid var(--border-default); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); display: flex; flex-direction: column; animation: modalSlideIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); }
.modal-content.modal-lg { max-width: 600px; }

@keyframes modalSlideIn { from { opacity: 0; transform: scale(0.92) translateY(30px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-6); border-bottom: 1px solid var(--border-subtle); }
.modal-header h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; }
.btn-close { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: transparent; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); color: var(--text-muted); cursor: pointer; transition: var(--transition-fast); }
.btn-close svg { width: 18px; height: 18px; }
.btn-close:hover { background: var(--error-subtle); border-color: var(--error); color: var(--error); }

.modal-body { flex: 1; padding: var(--space-6); overflow-y: auto; display: flex; flex-direction: column; gap: var(--space-5); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label { font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); }
.form-group label .optional { color: var(--text-muted); font-weight: 400; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: var(--space-3) var(--space-4); background: var(--bg-tertiary); border: 1px solid var(--border-default); border-radius: var(--radius-md); color: var(--text-primary); font-size: 0.9375rem; font-family: var(--font-body); transition: var(--transition-base); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--accent-gold); box-shadow: 0 0 0 4px var(--accent-gold-subtle); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { min-height: 150px; resize: vertical; font-family: var(--font-mono); font-size: 0.8125rem; }
.input-hint { font-size: 0.75rem; color: var(--text-muted); }
.select-full { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: var(--space-10); }
.checkbox-label { display: flex; align-items: center; gap: var(--space-3); cursor: pointer; font-size: 0.9375rem; color: var(--text-secondary); }
.checkbox-label input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent-gold); cursor: pointer; }

.form-divider { display: flex; align-items: center; gap: var(--space-3); margin: var(--space-4) 0; }
.form-divider span { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.form-divider::before, .form-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-subtle); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-group-small { max-width: 120px; }

.translation-inputs { display: flex; flex-direction: column; gap: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--border-subtle); }
.translation-input-group { display: flex; flex-direction: column; gap: var(--space-2); }
.translation-input-group label { display: flex; align-items: center; gap: var(--space-2); font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); }
.lang-badge { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-1) var(--space-2); background: var(--info-subtle); border-radius: var(--radius-sm); font-size: 0.6875rem; font-weight: 600; color: var(--info); text-transform: uppercase; letter-spacing: 0.05em; }

.modal-footer { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3); padding: var(--space-5) var(--space-6); border-top: 1px solid var(--border-subtle); background: var(--bg-tertiary); border-radius: 0 0 var(--radius-xl) var(--radius-xl); }
.btn-cancel { padding: var(--space-3) var(--space-5); background: transparent; border: 1px solid var(--border-default); border-radius: var(--radius-md); color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: var(--transition-base); }
.btn-cancel:hover { background: var(--surface-glass-hover); border-color: var(--border-strong); color: var(--text-primary); }
.btn-save { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-5); background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%); border: none; border-radius: var(--radius-md); color: var(--text-inverse); font-size: 0.875rem; font-weight: 600; cursor: pointer; transition: var(--transition-base); box-shadow: 0 2px 12px var(--accent-gold-glow); }
.btn-save svg { width: 16px; height: 16px; }
.btn-save:hover { transform: translateY(-2px); box-shadow: 0 4px 20px var(--accent-gold-glow); }
.btn-save:active { transform: translateY(0); }
.btn-save:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* Toast Notifications */
#toast-container { position: fixed; bottom: var(--space-6); right: var(--space-6); z-index: 2000; display: flex; flex-direction: column; gap: var(--space-3); pointer-events: none; }
.toast { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); background: var(--bg-elevated); border: 1px solid var(--border-default); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); font-size: 0.875rem; pointer-events: auto; animation: toastIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); }

@keyframes toastIn { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }
.toast.toast-out { animation: toastOut 0.3s ease-out forwards; }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(100%); } }

.toast-icon { width: 20px; height: 20px; flex-shrink: 0; }
.toast.success { border-color: var(--success); background: linear-gradient(135deg, var(--success-subtle) 0%, var(--bg-elevated) 100%); }
.toast.success .toast-icon { color: var(--success); }
.toast.error { border-color: var(--error); background: linear-gradient(135deg, var(--error-subtle) 0%, var(--bg-elevated) 100%); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning { border-color: var(--warning); background: linear-gradient(135deg, var(--warning-subtle) 0%, var(--bg-elevated) 100%); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info { border-color: var(--info); background: linear-gradient(135deg, var(--info-subtle) 0%, var(--bg-elevated) 100%); }
.toast.info .toast-icon { color: var(--info); }

/* Languages View */
.lang-code-cell { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-1) var(--space-3); background: var(--accent-gold-subtle); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 600; color: var(--accent-gold); }
.default-badge { display: inline-flex; align-items: center; margin-left: var(--space-2); padding: var(--space-1) var(--space-2); background: var(--info-subtle); border-radius: var(--radius-sm); font-size: 0.625rem; font-weight: 600; color: var(--info); text-transform: uppercase; letter-spacing: 0.05em; }
.status-badge { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.status-active { background: var(--success-subtle); color: var(--success); }
.status-inactive { background: var(--error-subtle); color: var(--error); }

/* Import Dropzone & Validation */
.dropzone { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-8); border: 2px dashed var(--border-default); border-radius: var(--radius-lg); background: var(--surface-glass); cursor: pointer; transition: all var(--transition-base); }
.dropzone:hover { border-color: var(--accent-gold); background: var(--accent-gold-subtle); }
.dropzone.dragover { border-color: var(--accent-gold); background: var(--accent-gold-subtle); box-shadow: 0 0 20px var(--accent-gold-glow); }
.dropzone.has-file { border-color: var(--success); background: var(--success-subtle); }
.validation-error { margin-top: var(--space-4); padding: var(--space-4); background: var(--error-subtle); border: 1px solid var(--error); border-radius: var(--radius-md); }
.validation-error.hidden { display: none; }
.validation-error-header { display: flex; align-items: center; gap: var(--space-2); color: var(--error); font-weight: 600; margin-bottom: var(--space-3); }
#validation-error-details { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.5; }

/* Apps Grid */
.apps-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-5); margin-top: var(--space-4); }
.app-card { position: relative; background: var(--surface-glass); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: var(--space-6); transition: var(--transition-base); cursor: pointer; }
.app-card:hover { background: var(--surface-glass-hover); border-color: var(--border-default); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.app-card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: var(--space-4); }
.app-card-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--accent-gold-subtle); border-radius: var(--radius-md); color: var(--accent-gold); }
.app-card-icon svg { width: 24px; height: 24px; }
.app-card-actions { display: flex; gap: var(--space-2); }
.app-card h3 { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; margin-bottom: var(--space-1); }
.app-card-id { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); margin-bottom: var(--space-4); }
.app-card-desc { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: var(--space-4); line-height: 1.5; }
.app-card-stats { display: flex; gap: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--border-subtle); }
.app-stat { display: flex; flex-direction: column; }
.app-stat-value { font-family: var(--font-mono); font-size: 1.125rem; font-weight: 600; color: var(--text-primary); }
.app-stat-label { font-size: 0.6875rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.app-card-footer { display: flex; gap: var(--space-2); margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--border-subtle); }
.btn-app-action { flex: 1; display: flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-3); background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); color: var(--text-secondary); font-size: 0.8125rem; font-weight: 500; cursor: pointer; transition: var(--transition-fast); }
.btn-app-action svg { width: 16px; height: 16px; }
.btn-app-action:hover { background: var(--surface-glass-hover); border-color: var(--border-default); color: var(--text-primary); }

.btn-back { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); background: transparent; border: none; color: var(--text-muted); font-size: 0.8125rem; font-weight: 500; cursor: pointer; transition: var(--transition-fast); margin-bottom: var(--space-2); }
.btn-back svg { width: 16px; height: 16px; }
.btn-back:hover { color: var(--accent-gold); }

.empty-apps { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-16); text-align: center; }
.empty-apps svg { width: 80px; height: 80px; color: var(--text-muted); opacity: 0.3; margin-bottom: var(--space-4); }
.empty-apps h3 { font-size: 1.25rem; font-weight: 600; color: var(--text-secondary); margin-bottom: var(--space-2); }
.empty-apps p { color: var(--text-muted); font-size: 0.875rem; }

/* Responsive */
@media (max-width: 1024px) {
  :root { --sidebar-width: 220px; }
  .main-content { padding: var(--space-6); }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .sidebar { transform: translateX(-100%); width: 260px; transition: var(--transition-base); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: var(--space-4); }
  .main-header { flex-direction: column; align-items: center; }
  .header-actions { justify-content: stretch; }
  .header-actions .btn-action { flex: 1; justify-content: center; }
  .controls-bar { flex-direction: column; gap: var(--space-3); }
  .search-box { max-width: none; }
  .controls-right { width: 100%; justify-content: space-between; }
  .stats-grid { flex-direction: column; }
  .stat-card { width: 100%; }
  .modal-content { margin: var(--space-4); }
  .login-container { max-width: 100%; }
  .login-card { padding: var(--space-8) var(--space-6); }
  .brand-title { font-size: 2.5rem; }
}

:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 2px; }