/* ==========================================================================
   LUI UNIVERSAL DOWNLOADER — CYBERPUNK THEME STYLESHEET
   Matching https://luifierey.my.id (Lui Visual Studio Suite)
   ========================================================================== */

:root {
  --bg-primary: #07090e;
  --bg-surface: #0e1422;
  --bg-surface-glass: rgba(14, 20, 34, 0.85);
  --bg-surface-elevated: #131b2e;

  --neon-cyan: #00f0ff;
  --neon-cyan-glow: rgba(0, 240, 255, 0.35);
  --neon-purple: #818cf8;
  --neon-purple-glow: rgba(129, 140, 248, 0.25);
  --neon-pink: #f43f5e;
  --neon-pink-glow: rgba(244, 63, 94, 0.25);
  --neon-orange: #f59e0b;
  --neon-orange-glow: rgba(245, 158, 11, 0.25);
  --neon-green: #10b981;
  --neon-green-glow: rgba(16, 185, 129, 0.25);
  --neon-red: #f43f5e;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow-cyan: rgba(0, 240, 255, 0.35);
  --border-glow-purple: rgba(129, 140, 248, 0.35);

  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-hud: 'Plus Jakarta Sans', sans-serif;
  --font-logo: 'Orbitron', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Global Reset & Hidden Scrollbar */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

html, body {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

::-webkit-scrollbar,
*::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Background Ambient Lighting */
.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  transform: translateZ(0);
}
.bg-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.20) 0%, rgba(168, 85, 247, 0.06) 45%, transparent 70%);
  top: -100px;
  left: -100px;
}
.bg-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.18) 0%, rgba(0, 240, 255, 0.05) 45%, transparent 70%);
  bottom: -100px;
  right: -100px;
}

@media (max-width: 768px) {
  .app-header, .glassmorphism, .app-bottom-bar, .glass-card {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(14, 18, 34, 0.95) !important;
  }
}

/* Glassmorphism utility */
.glassmorphism {
  background: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
}

.glass-card {
  background: rgba(14, 18, 34, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 1000;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  box-shadow: none;
}

.header-container {
  width: 100%;
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.75));
  transition: transform 0.25s ease, filter 0.25s ease;
}
.brand-link:hover .brand-logo-img {
  transform: scale(1.08);
  filter: drop-shadow(0 0 16px rgba(0, 240, 255, 0.95));
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-logo, 'Orbitron', sans-serif);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 1.2px;
  display: block;
  white-space: nowrap;
  color: #ffffff;
  line-height: 1.2;
}

.text-gradient {
  color: var(--neon-cyan, #00f0ff);
  background: none;
  -webkit-text-fill-color: initial;
  font-weight: 900;
}

.brand-sub {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--neon-cyan, #00f0ff);
  display: block;
  white-space: nowrap;
  margin-top: 2px;
}
.brand-sub-author {
  color: #ffffff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-sawer-nav, .btn-support-nav {
  height: 38px;
  background: rgba(0, 240, 255, 0.08);
  border: 1.5px solid var(--neon-cyan);
  color: var(--neon-cyan);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-sizing: border-box;
  text-decoration: none;
}
.btn-sawer-nav i, .btn-support-nav i {
  color: var(--neon-cyan) !important;
  transition: color 0.2s ease;
}
.btn-sawer-nav:hover, .btn-support-nav:hover {
  background: var(--neon-cyan);
  color: #07090e;
  box-shadow: 0 0 18px var(--neon-cyan-glow);
  transform: translateY(-1px);
}
.btn-sawer-nav:hover i, .btn-support-nav:hover i {
  color: #07090e !important;
}

.btn-back-main, .btn-nav-back {
  height: 38px;
  width: 38px;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  font-size: 0.88rem;
  border-radius: 8px;
  border: 1.5px solid var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 700;
  transition: all 0.2s ease;
}
.btn-back-main:hover, .btn-nav-back:hover {
  background: var(--neon-cyan);
  color: #07090e;
  box-shadow: 0 0 18px var(--neon-cyan-glow);
  transform: translateY(-1px);
}
.btn-back-main:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* Tool Switcher Dropdown */
.tool-dropdown-wrap {
  position: relative;
}
.tool-dropdown-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 10px;
  background: rgba(10, 13, 24, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #f0f4fc;
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.25s ease;
  min-height: 38px;
}
.tool-dropdown-btn:hover, .tool-dropdown-wrap.open .tool-dropdown-btn {
  background: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
  color: #fff;
}
.tool-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 260px;
  border-radius: 14px;
  padding: 8px;
  background: rgba(10, 13, 24, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: none;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.15);
  z-index: 1000;
  animation: dropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.tool-dropdown-wrap.open .tool-dropdown-menu {
  display: flex;
}
@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.dropdown-header {
  padding: 6px 12px 8px;
  font-size: 0.65rem;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-weight: 800;
  color: var(--text-dim, #8e9bb8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: #f0f4fc;
  transition: all 0.18s ease;
}
.dropdown-item i {
  color: var(--neon-cyan) !important;
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}
.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateX(3px);
  color: #fff;
}
.dropdown-item.active {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.4);
}
.dropdown-item-title {
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}
.dropdown-item-desc {
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.68rem;
  color: #8e9bb8;
}

/* Main Container */
.main-content {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 20px 80px 20px;
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Hero Title */
.hero-section {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  border-radius: 30px;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #c084fc;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.5px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.25;
  color: #fff;
  letter-spacing: -0.5px;
}
.gradient-text-hero {
  background: linear-gradient(135deg, var(--neon-cyan) 0%, #a855f7 50%, var(--neon-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  max-width: 620px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Backend Status Bar */
.backend-status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  background: rgba(10, 15, 30, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff3344;
  box-shadow: 0 0 8px #ff3344;
  transition: all 0.3s ease;
}
.status-dot.online {
  background: var(--neon-green);
  box-shadow: 0 0 8px var(--neon-green);
}

/* Platform Toggle Bar */
.platform-toggle-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 6px;
}

/* Supported Platforms Bar (Auto-Detect Indicator) */
.supported-platforms-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.supported-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-hud);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.supported-badges-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.plat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  font-family: var(--font-hud);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}
.plat-badge i {
  font-size: 0.82rem;
  transition: transform 0.2s ease;
}
.plat-badge:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: translateY(-1px);
}

/* Dynamic glow highlight when platform is detected from input URL */
.plat-badge.detected {
  transform: translateY(-1px);
}
.plat-badge-tiktok.detected {
  background: rgba(255, 0, 127, 0.16);
  border-color: #ff007f;
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 0, 127, 0.45);
}
.plat-badge-tiktok i { color: #ff007f; }

.plat-badge-youtube.detected {
  background: rgba(255, 51, 68, 0.16);
  border-color: #ff3344;
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 51, 68, 0.45);
}
.plat-badge-youtube i { color: #ff3344; }

.plat-badge-instagram.detected {
  background: rgba(255, 102, 0, 0.16);
  border-color: #ff6600;
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 102, 0, 0.45);
}
.plat-badge-instagram i { color: #ff6600; }

.plat-badge-facebook.detected {
  background: rgba(0, 136, 255, 0.16);
  border-color: #0088ff;
  color: #fff;
  box-shadow: 0 0 16px rgba(0, 136, 255, 0.45);
}
.plat-badge-facebook i { color: #0088ff; }

.plat-badge-twitter.detected {
  background: rgba(255, 255, 255, 0.16);
  border-color: #fff;
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.35);
}
.plat-badge-twitter i { color: #fff; }

.supported-help-link {
  margin-left: auto;
}

/* URL Input Card */
.input-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid rgba(168, 85, 247, 0.3);
  box-shadow: 0 8px 32px rgba(168, 85, 247, 0.1);
}
.input-group-row {
  display: flex;
  gap: 10px;
}
.url-input-wrap {
  position: relative;
  flex: 1;
}
.url-input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 1rem;
  pointer-events: none;
}
.url-input {
  width: 100%;
  height: 52px;
  padding: 0 152px 0 46px; /* Generous spacing so text never hits the clear or paste buttons */
  background: rgba(8, 10, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}
.url-input:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px var(--neon-cyan-glow);
}
.btn-clear-input {
  position: absolute;
  right: 104px; /* Placed with 19px clear separation before Paste button */
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 5;
}
.btn-clear-input:hover {
  background: rgba(255, 51, 68, 0.25);
  border-color: #ff3344;
  color: #ff3344;
  box-shadow: 0 0 12px rgba(255, 51, 68, 0.5);
  transform: translateY(-50%) scale(1.12);
}
.btn-paste-inside {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 8px;
  font-family: var(--font-hud);
  font-size: 0.72rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}
.btn-paste-inside:hover {
  background: rgba(0, 240, 255, 0.2);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}
.btn-process {
  height: 52px;
  padding: 0 26px;
  background: linear-gradient(135deg, #00f0ff, #a855f7);
  border: none;
  border-radius: 14px;
  color: #000;
  font-family: var(--font-hud);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-process:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.6);
}
.btn-process:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.input-hints-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Loading Box */
.loading-box {
  display: none;
  padding: 36px;
  text-align: center;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.loading-radar {
  width: 54px;
  height: 54px;
  border: 3px solid rgba(0, 240, 255, 0.2);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Result Preview Card */
.result-card {
  display: none;
  padding: 24px;
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow: 0 12px 36px rgba(0, 240, 255, 0.12);
  flex-direction: column;
  gap: 20px;
}
.result-media-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.thumbnail-box {
  position: relative;
  width: 220px;
  height: 140px;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumbnail-badge-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
}
.thumbnail-badge-platform {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 6px;
  font-family: var(--font-hud);
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  background: rgba(14, 18, 36, 0.85);
  border: 1px solid var(--border-subtle);
}

.result-info-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
}
.result-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}
.result-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.result-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.download-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.btn-dl-action {
  padding: 14px 18px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: var(--font-hud);
  font-size: 0.8rem;
  font-weight: 700;
  transition: all 0.25s ease;
}
.btn-dl-video {
  background: linear-gradient(135deg, #00f0ff, #0088ff);
  color: #000;
}
.btn-dl-video:hover {
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}
.btn-dl-audio {
  background: linear-gradient(135deg, #a855f7, #ec4899);
  color: #fff;
}
.btn-dl-audio:hover {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
  transform: translateY(-2px);
}

/* Support Features Strip */
.features-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.feature-card {
  padding: 16px;
  border-radius: 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.feature-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}
.feature-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-card {
  width: 100%;
  max-width: 580px;
  max-height: 85vh;
  overflow-y: auto;
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
}
.modal-title {
  font-family: var(--font-hud);
  font-size: 1.05rem;
  color: #fff;
}
.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}
.modal-close-btn:hover {
  color: #fff;
}

/* Bottom Bar */
.hud-bottom-bar {
  position: sticky;
  bottom: 0;
  z-index: 40;
  border-top: 1px solid var(--border-subtle);
  padding: 12px 20px;
}
.bottom-bar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.bottom-bar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-bottom-help {
  background: transparent;
  border: none;
  color: var(--neon-cyan);
  font-family: var(--font-hud);
  font-size: 0.72rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-bottom-help:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 640px) {
  .hero-title {
    font-size: 1.6rem;
  }
  .input-group-row {
    flex-direction: column;
  }
  .btn-process {
    width: 100%;
    justify-content: center;
  }
  .thumbnail-box {
    width: 100%;
    height: 180px;
  }
}

/* TikTok Photo Slides Gallery */
.slides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.slide-card {
  background: rgba(14, 18, 36, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}
.slide-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.25);
  transform: translateY(-2px);
}
.slide-card.selected {
  border-color: var(--neon-green);
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.35);
  background: rgba(0, 255, 136, 0.05);
}
.slide-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #000;
  cursor: pointer;
}
.slide-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.slide-card:hover .slide-thumb-img {
  transform: scale(1.05);
}
.slide-badge-num {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid rgba(0, 240, 255, 0.3);
  pointer-events: none;
}
.slide-checkbox-wrap {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.slide-checkbox-wrap:hover {
  border-color: var(--neon-cyan);
}
.slide-checkbox {
  width: 15px;
  height: 15px;
  accent-color: var(--neon-cyan);
  cursor: pointer;
  margin: 0;
}
.slide-action-bar {
  padding: 8px;
  display: flex;
  background: rgba(8, 10, 20, 0.95);
}
.btn-dl-single-slide {
  width: 100%;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: #fff;
  font-family: var(--font-hud);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}
.btn-dl-single-slide:hover {
  background: var(--neon-cyan);
  color: #000;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.45);
}

/* ==========================================================================
   DOWNLOAD PREPARING / PACKAGING LOADING MODAL
   ========================================================================== */
.download-preparing-card {
  max-width: 420px;
  text-align: center;
  padding: 34px 26px;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.85), 0 0 32px rgba(0, 240, 255, 0.2);
}
.download-radar-wrap {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.download-radar-spin {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--neon-cyan);
  border-right-color: var(--neon-purple);
  animation: radarSpin 1s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
}
.download-radar-inner {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--neon-cyan);
  box-shadow: 0 0 16px var(--neon-cyan-glow);
  animation: pulseGlow 1.5s ease-in-out infinite alternate;
}
@keyframes radarSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes pulseGlow {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.05); opacity: 1; }
}
.preparing-progress-bar {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  margin-top: 20px;
  overflow: hidden;
  position: relative;
}
.preparing-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 40%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
  border-radius: 6px;
  animation: progressIndeterminate 1.4s ease-in-out infinite;
}
@keyframes progressIndeterminate {
  0% { left: -40%; width: 40%; }
  50% { width: 60%; }
  100% { left: 100%; width: 40%; }
}

/* ==========================================================================
   YOUTUBE & MULTI-QUALITY RESOLUTION SELECTOR
   ========================================================================== */
.yt-quality-header-pill {
  font-family: var(--font-hud);
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 51, 68, 0.12);
  border: 1px solid rgba(255, 51, 68, 0.35);
  padding: 4px 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.quality-card {
  background: rgba(13, 17, 33, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  text-align: left;
}

.quality-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: all 0.25s ease;
}

.quality-card:hover {
  transform: translateY(-3px);
  border-color: var(--neon-cyan);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.18);
}

.quality-card:hover::before {
  background: var(--neon-cyan);
}

/* 1080p card highlighted */
.quality-card-1080 {
  border-color: rgba(0, 240, 255, 0.35);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.08) 0%, rgba(13, 17, 33, 0.9) 100%);
}
.quality-card-1080::before {
  background: linear-gradient(90deg, #00f0ff, #0088ff);
}
.quality-card-1080:hover {
  box-shadow: 0 10px 28px rgba(0, 240, 255, 0.25);
  border-color: #00f0ff;
}

/* 720p card */
.quality-card-720 {
  border-color: rgba(0, 255, 136, 0.3);
}
.quality-card-720::before {
  background: linear-gradient(90deg, #00ff88, #00c853);
}
.quality-card-720:hover {
  box-shadow: 0 10px 28px rgba(0, 255, 136, 0.22);
  border-color: #00ff88;
}

/* Audio card */
.quality-card-audio {
  border-color: rgba(168, 85, 247, 0.35);
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.08) 0%, rgba(13, 17, 33, 0.9) 100%);
}
.quality-card-audio::before {
  background: linear-gradient(90deg, #a855f7, #ec4899);
}
.quality-card-audio:hover {
  box-shadow: 0 10px 28px rgba(168, 85, 247, 0.25);
  border-color: #a855f7;
}

.quality-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.quality-badge {
  font-family: var(--font-hud);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
.quality-badge-1080 {
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.35);
}
.quality-badge-720 {
  background: rgba(0, 255, 136, 0.15);
  color: var(--neon-green);
  border: 1px solid rgba(0, 255, 136, 0.35);
}
.quality-badge-480 {
  background: rgba(129, 140, 248, 0.15);
  color: #818cf8;
  border: 1px solid rgba(129, 140, 248, 0.35);
}
.quality-badge-360 {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.35);
}
.quality-badge-audio {
  background: rgba(236, 72, 153, 0.15);
  color: #ec4899;
  border: 1px solid rgba(236, 72, 153, 0.35);
}

.quality-ext {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.quality-name {
  font-family: var(--font-hud);
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}

.quality-desc {
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.quality-download-bar {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-hud);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--neon-cyan);
  transition: all 0.2s ease;
}

.quality-card-720 .quality-download-bar {
  color: var(--neon-green);
}
.quality-card-audio .quality-download-bar {
  color: #ec4899;
}

.quality-card:hover .quality-download-bar {
  transform: translateX(2px);
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS — MOBILE ERGONOMICS & THUMB ZONE OPTIMIZATIONS
   ========================================================================== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 1.75rem;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  /* Navbar Ergonomics */
  .header-container {
    padding: 0 14px;
    min-height: 60px;
  }
  .brand-logo-img {
    width: 28px;
    height: 28px;
  }
  .brand-title {
    font-size: 0.88rem;
    letter-spacing: 0.5px;
  }
  .brand-sub {
    font-size: 0.6rem;
  }
  .nav-actions {
    gap: 6px;
  }
  .tool-dropdown-btn {
    padding: 6px 9px;
    font-size: 0.74rem;
    border-radius: 8px;
  }
  .tool-dropdown-btn span {
    display: none; /* Icon + chevron only on mobile */
  }
  .tool-dropdown-menu {
    width: 260px;
    max-width: calc(100vw - 28px);
    right: 0;
  }
  .btn-sawer-nav {
    padding: 6px 10px;
    font-size: 0.72rem;
  }
  .btn-sawer-nav .support-label {
    display: none; /* Compact icon button on mobile */
  }
  .btn-back-main {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }

  /* Hero Section */
  .hero-section {
    padding: 22px 0 16px;
    text-align: center;
  }
  .hero-badge {
    font-size: 0.65rem;
    padding: 4px 10px;
    margin-bottom: 10px;
  }
  .hero-title {
    font-size: 1.42rem;
    line-height: 1.25;
    margin-bottom: 8px;
  }
  .hero-desc {
    font-size: 0.8rem;
    line-height: 1.45;
    padding: 0 4px;
  }

  /* Status Banner */
  .backend-status-card {
    padding: 8px 12px;
    font-size: 0.74rem;
    border-radius: 10px;
    margin-bottom: 16px;
    gap: 8px;
    flex-wrap: wrap;
  }

  /* Input Card (Form Input & Thumb Zone) */
  .input-card {
    padding: 16px 12px;
    border-radius: 16px;
    gap: 12px;
  }
  .input-group-row {
    flex-direction: column;
    gap: 10px;
  }
  .url-input-wrap {
    width: 100%;
  }
  .url-input {
    height: 48px;
    font-size: 0.84rem;
    padding: 0 110px 0 40px; /* Generous room for typed URL with compact buttons */
    border-radius: 12px;
  }
  .url-input-icon {
    left: 12px;
    font-size: 0.88rem;
  }
  .btn-clear-input {
    right: 74px; /* 8px clear gap before paste button */
    width: 26px;
    height: 26px;
    font-size: 0.75rem;
  }
  .btn-paste-inside {
    right: 8px;
    padding: 5px 10px;
    font-size: 0.7rem;
    border-radius: 7px;
  }
  .btn-process {
    width: 100%;
    height: 48px;
    border-radius: 12px;
    font-size: 0.84rem;
    font-weight: 800;
    justify-content: center;
  }

  /* Supported Platforms Indicator */
  .supported-platforms-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-top: 12px;
  }
  .supported-label {
    justify-content: center;
    font-size: 0.68rem;
  }
  .supported-badges-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
  }
  .plat-badge {
    padding: 5px 9px;
    font-size: 0.68rem;
    border-radius: 7px;
    flex: 1 1 auto;
    justify-content: center;
    min-width: calc(33.33% - 6px);
    max-width: calc(50% - 4px);
  }
  .supported-help-link {
    width: 100%;
    text-align: center;
    margin-top: 2px;
  }

  /* Result Preview Card */
  .result-card {
    padding: 16px 12px;
    border-radius: 16px;
    gap: 16px;
  }
  .result-media-row {
    flex-direction: column;
    gap: 14px;
  }
  .thumbnail-box {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    max-height: 220px;
    border-radius: 12px;
  }
  .result-info-box {
    width: 100%;
    gap: 10px;
  }
  .result-title {
    font-size: 0.95rem;
    line-height: 1.35;
  }
  .result-meta-row {
    gap: 8px;
    font-size: 0.72rem;
  }
  .download-options-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 14px;
  }
  .btn-dl-action {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    font-size: 0.78rem;
    border-radius: 12px;
  }
  .quality-cards-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .quality-card {
    padding: 12px 14px;
    border-radius: 10px;
  }
  .quality-name {
    font-size: 0.82rem;
  }
  .quality-desc {
    font-size: 0.7rem;
    margin-bottom: 8px;
  }
  .slides-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px;
  }

  /* Features & Content */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .feature-card {
    padding: 16px 14px;
    border-radius: 14px;
  }
  .faq-item {
    padding: 12px 14px;
    border-radius: 12px;
  }
  .faq-question {
    font-size: 0.82rem;
  }
  .faq-answer {
    font-size: 0.76rem;
  }
  .seo-article-card {
    padding: 16px 14px;
    border-radius: 14px;
  }
  .seo-text {
    font-size: 0.78rem;
  }

  /* Modals */
  .modal-card {
    width: calc(100vw - 24px) !important;
    max-width: 440px !important;
    margin: 12px auto !important;
    padding: 18px 14px !important;
    border-radius: 16px !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
  }

  /* Unified Bottom Bar */
  .bottom-bar-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding: 12px 16px;
  }
  .bottom-bar-brand {
    font-size: 0.72rem;
    justify-content: center;
    flex-wrap: wrap;
  }
}

@media (max-width: 380px) {
  /* Ultra-compact screens (iPhone SE, small Androids) */
  .brand-title {
    font-size: 0.82rem;
  }
  .brand-sub {
    display: none;
  }
  .url-input {
    padding: 0 88px 0 34px;
    font-size: 0.8rem;
  }
  .url-input-icon {
    left: 10px;
  }
  .btn-clear-input {
    right: 56px;
    width: 24px;
    height: 24px;
  }
  .btn-paste-inside {
    right: 6px;
    padding: 4px 8px;
    font-size: 0.68rem;
  }
  .btn-paste-inside span {
    display: none; /* Icon-only paste on <= 380px */
  }
  .plat-badge {
    font-size: 0.64rem;
    padding: 4px 6px;
  }
}