:root {
  --bg: #0a0a0a;
  --bg2: #111115;
  --surface: #141418;
  --surface2: #1c1c22;
  --surface3: #242430;
  --border: rgba(255, 255, 255, 0.08);
  --border2: rgba(255, 255, 255, 0.14);
  --border-acc: rgba(66, 133, 244, 0.45);

  --blue: #4285f4;
  --green: #34a853;
  --cyan: #4cc9f0;
  --red: #ff3b30;
  --yellow: #fbbc05;

  --grad: linear-gradient(135deg, #4285f4, #34a853);
  --grad-glow: linear-gradient(
    135deg,
    rgba(66, 133, 244, 0.15),
    rgba(52, 168, 83, 0.15)
  );
  --grad-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);

  --text: #f0f0f0;
  --text-2: #9999aa;
  --text-3: #55555f;
  --text-inv: #0a0a0a;

  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --font-ui: "Poppins", sans-serif;
  --font-mono: "Space Mono", monospace;

  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-acc: 0 8px 32px rgba(66, 133, 244, 0.25);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-mode {
  --bg: #f0f4ff;
  --bg2: #e8eeff;
  --surface: #ffffff;
  --surface2: #f5f7ff;
  --surface3: #eef0fa;
  --border: rgba(0, 0, 0, 0.08);
  --border2: rgba(0, 0, 0, 0.14);
  --border-acc: rgba(66, 133, 244, 0.35);

  --grad-hero: linear-gradient(135deg, #a8d5ff 0%, #a8e6cf 50%, #b3e5fc 100%);
  --grad-glow: linear-gradient(
    135deg,
    rgba(66, 133, 244, 0.08),
    rgba(52, 168, 83, 0.08)
  );

  --text: #0d0d14;
  --text-2: #5a5a70;
  --text-3: #9898a8;
  --text-inv: #ffffff;

  --shadow-sm: 0 4px 16px rgba(66, 133, 244, 0.08);
  --shadow-md: 0 8px 32px rgba(66, 133, 244, 0.12);
  --shadow-lg: 0 20px 60px rgba(66, 133, 244, 0.15);
  --shadow-acc: 0 8px 32px rgba(66, 133, 244, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 0 0 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow-x: hidden;
  opacity: 0;
  animation: fadeInBody 0.6s ease-out 0.1s forwards;
  transition: background 0.4s ease, color 0.4s ease;
}

@keyframes fadeInBody {
  to {
    opacity: 1;
  }
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.4s ease;
}

body.light-mode .bg-grid {
  opacity: 0.6;
}

.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(
    ellipse,
    rgba(66, 133, 244, 0.12) 0%,
    rgba(52, 168, 83, 0.06) 40%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  animation: glowPulse 8s ease-in-out infinite;
}

body.light-mode .bg-glow {
  background: radial-gradient(
    ellipse,
    rgba(66, 133, 244, 0.1) 0%,
    rgba(52, 168, 83, 0.05) 40%,
    transparent 70%
  );
}

@keyframes glowPulse {
  0%,
  100% {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) scale(1.15);
    opacity: 0.7;
  }
}

header {
  position: relative;
  z-index: 10;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  animation: slideDown 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transition: background 0.4s ease, border-color 0.4s ease;
}

body.light-mode header {
  background: rgba(240, 244, 255, 0.8);
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--grad);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  box-shadow: var(--shadow-acc);
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  display: none;
}

.theme-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 62px;
  height: 32px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #73c0fc;
  border-radius: 99px;
  transition: background 0.4s;
}

.slider::before {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  left: 3px;
  bottom: 3px;
  background: #e8e8e8;
  border-radius: 50%;
  z-index: 2;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.switch .sun svg {
  position: absolute;
  top: 5px;
  left: 34px;
  width: 22px;
  height: 22px;
  z-index: 1;
  animation: rotateSun 15s linear infinite;
}

.switch .moon svg {
  fill: #73c0fc;
  position: absolute;
  top: 5px;
  left: 6px;
  width: 22px;
  height: 22px;
  z-index: 1;
  animation: tiltMoon 5s ease-in-out infinite;
}

.switch input:checked + .slider {
  background: #183153;
}

.switch input:checked + .slider::before {
  transform: translateX(30px);
}

@keyframes rotateSun {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes tiltMoon {
  0%,
  100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-10deg);
  }
  75% {
    transform: rotate(10deg);
  }
}

@media (max-width: 400px) {
  .switch {
    width: 52px;
    height: 28px;
  }
  .slider::before {
    width: 22px;
    height: 22px;
  }
  .switch .sun svg {
    left: 28px;
    top: 4px;
    width: 20px;
    height: 20px;
  }
  .switch .moon svg {
    top: 4px;
    width: 20px;
    height: 20px;
  }
  .switch input:checked + .slider::before {
    transform: translateX(24px);
  }
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  padding: 20px 16px 0;
}

main {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card,
.video-card,
.options-section,
.progress-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.3s ease;
}

.input-card {
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.input-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.yt-icon {
  position: absolute;
  left: 14px;
  color: var(--red);
  font-size: 1.05rem;
  pointer-events: none;
  filter: drop-shadow(0 0 6px rgba(255, 59, 48, 0.5));
}

input[type="text"] {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 15px 40px 15px 44px;
  font-size: 0.95rem;
  font-family: var(--font-ui);
  color: var(--text);
  outline: none;
  transition: var(--transition);
  transition-property: border-color, box-shadow, background;
}

input[type="text"]:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.15);
  background: var(--surface3);
}

input[type="text"]::placeholder {
  color: var(--text-3);
  font-size: 0.9rem;
}

.clear-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.clear-btn:hover {
  color: var(--red);
  background: rgba(255, 59, 48, 0.1);
}

.fetch-btn {
  background: var(--grad);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0 24px;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-acc);
}

.fetch-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.fetch-btn:hover::before {
  transform: translateX(100%);
}
.fetch-btn:hover {
  box-shadow: 0 12px 40px rgba(66, 133, 244, 0.4);
  transform: translateY(-1px);
}
.fetch-btn:active {
  transform: scale(0.98) translateY(0);
}
.fetch-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#videoInfo {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.video-card {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.video-card:hover {
  border-color: var(--border-acc);
  box-shadow: var(--shadow-acc);
}

.thumb-wrap {
  position: relative;
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
}

.thumb-wrap img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
  background: var(--surface3);
  transition: transform 0.4s ease;
}

.video-card:hover .thumb-wrap img {
  transform: scale(1.02);
}

.duration-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 3px 7px;
  border-radius: 6px;
  backdrop-filter: blur(6px);
}

.playlist-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(66, 133, 244, 0.18);
  border: 1px solid rgba(66, 133, 244, 0.5);
  color: var(--cyan);
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 4px 9px;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: 5px;
}

.video-meta {
  width: 100%;
}

.meta-channel {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.2px;
}

.video-meta h2 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.options-section {
  padding: 16px;
}

.options-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.option-group {
  width: 100%;
}

.opt-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 7px;
  font-weight: 700;
}

.custom-dropdown {
  position: relative;
  z-index: 10;
}
.custom-dropdown.open {
  z-index: 200;
}

.dropdown-selected {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 11px 13px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  height: 48px;
  user-select: none;
  transition: var(--transition);
}

.dropdown-selected:hover {
  border-color: var(--border2);
  background: var(--surface3);
}

.custom-dropdown.open .dropdown-selected {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.15);
  background: var(--surface3);
}

.chev {
  font-size: 0.6rem;
  color: var(--text-3);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-dropdown.open .chev {
  transform: rotate(180deg);
}

.dropdown-options {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: none;
  overflow: hidden;
  z-index: 200;
}

.custom-dropdown.open .dropdown-options {
  display: block;
  animation: dropIn 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes dropIn {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dropdown-options div {
  padding: 13px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.dropdown-options div:last-child {
  border-bottom: none;
}

.dropdown-options div:hover {
  background: linear-gradient(
    135deg,
    rgba(66, 133, 244, 0.08),
    rgba(52, 168, 83, 0.08)
  );
}

.dropdown-options div.selected {
  background: var(--grad-glow);
  color: var(--blue);
  font-weight: 600;
}

.opt-hint {
  font-size: 0.68rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-weight: 400;
}

.dropdown-options div.selected .opt-hint {
  color: var(--green);
}

.clean-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding: 13px 14px;
  background: var(--grad-glow);
  border: 1px solid var(--border-acc);
  border-radius: var(--radius);
  transition: var(--transition);
}

.clean-title-row:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-acc);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  flex: 1;
}

.toggle-label-text {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
}

.toggle-label-text i {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 0.8rem;
}

.clean-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  background: rgba(52, 168, 83, 0.15);
  color: var(--green);
  border: 1px solid rgba(52, 168, 83, 0.35);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
  flex-shrink: 0;
  cursor: pointer;
}

.toggle-switch input {
  display: none;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--surface3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-pill);
  transition: background 0.3s, border-color 0.3s;
}

.toggle-track::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  background: var(--text-3);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s;
}

.toggle-switch input:checked + .toggle-track {
  background: rgba(66, 133, 244, 0.2);
  border-color: rgba(66, 133, 244, 0.5);
}

.toggle-switch input:checked + .toggle-track::after {
  background: var(--blue);
  transform: translateX(18px);
  box-shadow: 0 0 8px rgba(66, 133, 244, 0.6);
}

.original-title-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(255, 59, 48, 0.05);
  border: 1px solid rgba(255, 59, 48, 0.15);
  border-radius: var(--radius);
  animation: fadeInUp 0.2s ease-out;
}

.original-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #ff6b60;
  flex-shrink: 0;
  margin-top: 1px;
}

.original-text {
  font-size: 0.78rem;
  color: var(--text-3);
  font-style: italic;
  line-height: 1.45;
  word-break: break-word;
}

.filename-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 12px;
  transition: var(--transition);
}

.filename-preview:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.12);
}

.filename-preview > i {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.filename-preview input {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-2);
  flex: 1;
  min-width: 0;
  box-shadow: none;
}

.filename-preview input:focus {
  color: var(--text);
  border-color: transparent;
  box-shadow: none;
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.8rem;
  border-radius: 8px;
  transition: var(--transition);
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-btn:hover {
  color: var(--blue);
  background: rgba(66, 133, 244, 0.12);
}

.copy-btn.copied {
  color: var(--green);
}

.download-btn {
  width: 100%;
  padding: 17px;
  background: var(--grad);
  color: #fff;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-acc);
}

.download-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.download-btn:hover::before {
  transform: translateX(100%);
}
.download-btn:hover {
  box-shadow: 0 16px 50px rgba(66, 133, 244, 0.45);
  transform: translateY(-2px);
}
.download-btn:active {
  transform: scale(0.98);
}
.download-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.progress-card {
  padding: 18px 16px;
  animation: fadeInUp 0.28s ease-out;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.status-msg {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-2);
  flex: 1;
  margin-right: 8px;
  line-height: 1.4;
}

.progress-pct {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.progress-track {
  height: 6px;
  background: var(--surface3);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--grad);
  border-radius: var(--radius-pill);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(66, 133, 244, 0.5);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 1.8s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(200%);
  }
}

.progress-hint {
  font-size: 0.74rem;
  color: var(--text-3);
  margin-top: 10px;
  font-family: var(--font-mono);
  line-height: 1.5;
}

.expiry-row {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  padding: 9px 12px;
  background: rgba(251, 188, 5, 0.06);
  border: 1px solid rgba(251, 188, 5, 0.2);
  border-radius: var(--radius);
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-3);
  animation: fadeInUp 0.3s ease-out;
}

.expiry-row i {
  color: var(--yellow);
  font-size: 0.72rem;
}

.expiry-timer {
  color: var(--yellow);
  font-weight: 700;
}

.download-success-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  margin-top: 14px;
  padding: 15px;
  background: var(--grad-glow);
  border: 1px solid var(--border-acc);
  color: var(--blue);
  border-radius: var(--radius);
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  transition: var(--transition);
  animation: fadeInUp 0.3s ease-out;
  position: relative;
  overflow: hidden;
}

.download-success-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s;
}

.download-success-btn:hover::before {
  opacity: 1;
}

.download-success-btn:hover {
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-acc);
  transform: translateY(-2px);
}

.download-success-btn i,
.download-success-btn span {
  position: relative;
  z-index: 1;
}

footer {
  width: 100%;
  text-align: center;
  margin-top: 40px;
  padding: 20px 16px;
  border-top: 1px solid var(--border);
  transition: border-color 0.4s;
}

footer p {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}

.fade-in {
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hidden {
  display: none !important;
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--blue);
}

@media (min-width: 600px) {
  header {
    padding: 18px 32px;
  }

  .container {
    padding: 24px 24px 0;
  }

  .input-row {
    flex-direction: row;
  }
  .input-wrapper {
    flex: 1;
  }
  .fetch-btn {
    width: auto;
    min-width: 100px;
  }

  .video-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
  }
  .thumb-wrap {
    width: 150px;
    flex-shrink: 0;
    border-radius: 10px;
  }
  .thumb-wrap img {
    width: 150px;
    height: 84px;
  }
  .video-meta h2 {
    -webkit-line-clamp: 3;
  }
}

@media (min-width: 720px) {
  header {
    padding: 18px 40px;
  }

  .container {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 32px 0 0;
  }

  .bg-glow {
    width: 800px;
    height: 700px;
  }

  .logo-text {
    font-size: 1.35rem;
  }
  .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 1.05rem;
  }

  input[type="text"] {
    font-size: 0.95rem;
  }

  .thumb-wrap {
    width: 160px;
  }
  .thumb-wrap img {
    width: 160px;
    height: 90px;
  }

  .video-meta h2 {
    font-size: 1.05rem;
  }
}

body.light-mode .bg-glow {
  background: radial-gradient(
    ellipse,
    rgba(66, 133, 244, 0.14) 0%,
    rgba(52, 168, 83, 0.07) 40%,
    transparent 70%
  );
}

body.light-mode input[type="text"] {
  background: var(--surface2);
  border-color: var(--border);
  color: var(--text);
}

body.light-mode .progress-track {
  background: var(--surface3);
}

body.light-mode .download-success-btn {
  color: var(--blue);
  border-color: var(--border-acc);
}

body.light-mode .original-title-row {
  background: rgba(255, 59, 48, 0.04);
  border-color: rgba(255, 59, 48, 0.12);
}

body.light-mode .expiry-row {
  background: rgba(251, 188, 5, 0.05);
  border-color: rgba(251, 188, 5, 0.18);
}

body.light-mode .playlist-badge {
  background: rgba(66, 133, 244, 0.12);
  border-color: rgba(66, 133, 244, 0.35);
}

/* ── Header: panel trigger buttons ───────────────────────────────────────── */
header {
    justify-content: space-between;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.panel-btns {
    display: flex;
    align-items: center;
    gap: 4px;
}

.panel-trigger-btn {
    position: relative;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    background: var(--surface2);
    color: var(--text-2);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--transition);
}
.panel-trigger-btn:hover {
    background: var(--surface3);
    border-color: var(--blue);
    color: var(--blue);
    box-shadow: 0 0 0 3px rgba(66,133,244,0.12);
}
.panel-trigger-btn:active { transform: scale(0.93); }

.history-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 16px;
    height: 16px;
    background: var(--blue);
    color: #fff;
    font-size: 0.58rem;
    font-weight: 700;
    font-family: var(--font-mono);
    border-radius: 99px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    pointer-events: none;
}

/* ── Drag & Drop overlay ─────────────────────────────────────────────────── */
.drag-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 10, 10, 0.88);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    animation: fadeInOverlay 0.15s ease-out;
}
.drag-overlay.hidden { display: none !important; }
.drag-overlay-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    border: 2px dashed var(--blue);
    border-radius: var(--radius-lg);
    padding: 48px 64px;
    text-align: center;
}
.drag-overlay-inner i {
    font-size: 3rem;
    color: var(--red);
    filter: drop-shadow(0 0 12px rgba(255,59,48,0.6));
}
.drag-overlay-inner p {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.3px;
}
@keyframes fadeInOverlay {
    from { opacity: 0; } to { opacity: 1; }
}

/* ── Floating Panels (shared) ────────────────────────────────────────────── */
.panel-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.28s ease;
}
.panel-backdrop.backdrop-visible { opacity: 1; }

.floating-panel {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}
.floating-panel.hidden { display: none; }
.floating-panel.panel-open { transform: translateX(-50%) translateY(0); }

@media (min-width: 600px) {
    .floating-panel {
        border-radius: var(--radius-lg);
        bottom: auto;
        top: 50%;
        transform: translateX(-50%) translateY(-40%) scale(0.96);
        opacity: 0;
        transition: transform 0.28s cubic-bezier(0.4,0,0.2,1), opacity 0.28s ease;
    }
    .floating-panel.panel-open {
        transform: translateX(-50%) translateY(-50%) scale(1);
        opacity: 1;
    }
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.panel-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}
.panel-title i {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.panel-header-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}
.panel-close, .panel-action-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    background: var(--surface2);
    color: var(--text-3);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: var(--transition);
}
.panel-close:hover  { color: var(--red);  border-color: rgba(255,59,48,0.3); background: rgba(255,59,48,0.08); }
.panel-action-btn:hover { color: var(--text); border-color: var(--border2); background: var(--surface3); }

.panel-body {
    padding: 18px;
    overflow-y: auto;
    flex: 1;
}
.panel-hint {
    font-size: 0.78rem;
    color: var(--text-3);
    font-family: var(--font-mono);
    line-height: 1.55;
    margin-bottom: 16px;
}
.panel-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-3);
}
.panel-empty i    { font-size: 2rem; margin-bottom: 10px; display: block; }
.panel-empty p    { font-size: 0.85rem; }

/* ── ETA row ─────────────────────────────────────────────────────────────── */
.eta-row {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-top: 8px;
    font-size: 0.74rem;
    font-family: var(--font-mono);
    color: var(--text-3);
}
.eta-row i { color: var(--blue); font-size: 0.72rem; }

/* ── Preview Panel ───────────────────────────────────────────────────────── */
.preview-video-info {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--surface2);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.preview-video-info img {
    width: 72px;
    height: 42px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    background: var(--surface3);
}
.preview-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}
.preview-author {
    font-size: 0.72rem;
    color: var(--blue);
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-play-btn {
    width: 100%;
    padding: 14px;
    background: var(--grad);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-ui);
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: var(--shadow-acc);
}
.preview-play-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}
.preview-play-btn:not(:disabled):hover {
    box-shadow: 0 12px 36px rgba(66,133,244,0.4);
    transform: translateY(-1px);
}

.preview-player-wrap {
    margin-top: 16px;
}
.preview-player-wrap audio {
    width: 100%;
    border-radius: var(--radius);
    accent-color: var(--blue);
}
.waveform-canvas {
    width: 100%;
    height: 70px;
    margin-top: 10px;
    border-radius: var(--radius);
    background: var(--surface2);
    display: block;
}
.preview-quality-note {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-3);
    margin-top: 8px;
    text-align: center;
}

/* ── History Panel ───────────────────────────────────────────────────────── */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}
.history-item:hover {
    border-color: var(--border2);
    background: var(--surface3);
}
.history-thumb {
    width: 56px;
    height: 36px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    background: var(--surface3);
}
.history-info {
    flex: 1;
    min-width: 0;
}
.history-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.history-meta {
    font-size: 0.68rem;
    font-family: var(--font-mono);
    color: var(--text-3);
    margin-top: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.history-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.history-dl-btn, .history-del-btn {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-3);
}
.history-dl-btn:hover  { color: var(--blue);  border-color: rgba(66,133,244,0.3); background: rgba(66,133,244,0.08); }
.history-del-btn:hover { color: var(--red);   border-color: rgba(255,59,48,0.3);  background: rgba(255,59,48,0.08); }
.history-expired {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--yellow);
    opacity: 0.6;
}

/* ── Metadata Panel ──────────────────────────────────────────────────────── */
.meta-fields {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}
.meta-field { width: 100%; }
.meta-field input[type="text"] {
    padding: 11px 13px 11px 13px;
    font-size: 0.88rem;
}
.meta-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.meta-actions {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}
.meta-clear-btn, .meta-save-btn {
    flex: 1;
    padding: 11px;
    border-radius: var(--radius);
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    transition: var(--transition);
    border: 1px solid var(--border);
}
.meta-clear-btn {
    background: var(--surface2);
    color: var(--text-2);
}
.meta-clear-btn:hover { background: var(--surface3); border-color: var(--border2); }
.meta-save-btn {
    background: var(--grad);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-acc);
}
.meta-save-btn:hover { box-shadow: 0 8px 28px rgba(66,133,244,0.4); transform: translateY(-1px); }
.meta-saved-msg {
    margin-top: 10px;
    padding: 10px 14px;
    background: rgba(52,168,83,0.1);
    border: 1px solid rgba(52,168,83,0.3);
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--green);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: fadeInUp 0.2s ease-out;
}

/* ── Batch Panel ─────────────────────────────────────────────────────────── */
.batch-textarea {
    width: 100%;
    min-height: 110px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    font-size: 0.82rem;
    font-family: var(--font-mono);
    color: var(--text);
    resize: vertical;
    outline: none;
    transition: var(--transition);
    line-height: 1.7;
}
.batch-textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(66,133,244,0.12);
}
.batch-textarea::placeholder { color: var(--text-3); }

.batch-options {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    align-items: center;
    flex-wrap: wrap;
}
.batch-opt-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 140px;
}
.batch-opt-row .custom-dropdown { flex: 1; }

.batch-queue {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 220px;
    overflow-y: auto;
}
.batch-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 12px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.76rem;
}
.batch-url {
    font-family: var(--font-mono);
    color: var(--text-3);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.batch-status {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-3);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}
.batch-done {
    margin-top: 10px;
    padding: 14px;
    background: rgba(52,168,83,0.06);
    border: 1px solid rgba(52,168,83,0.25);
    border-radius: var(--radius);
}
.batch-done-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 7px;
}
.batch-dl-link {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    margin-top: 5px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.78rem;
    font-family: var(--font-mono);
    color: var(--blue);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.batch-dl-link:hover { background: var(--surface3); border-color: var(--border-acc); }

/* ── History disclaimer ───────────────────────────────────────────────────── */
.history-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 14px;
    padding: 9px 12px;
    background: rgba(66, 133, 244, 0.06);
    border: 1px solid rgba(66, 133, 244, 0.18);
    border-radius: var(--radius);
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-3);
    line-height: 1.5;
}
.history-disclaimer i {
    color: var(--blue);
    font-size: 0.72rem;
    margin-top: 1px;
    flex-shrink: 0;
}

/* ── Footer source link ───────────────────────────────────────────────────── */
.footer-source-link {
    color: var(--blue);
    text-decoration: none;
    transition: opacity 0.2s;
}
.footer-source-link:hover { opacity: 0.7; text-decoration: underline; }
/* ═══════════════════════════════════════════════════════════════════════════
   MOBILE PWA — Native app feel (max-width: 599px)
   Desktop styles above are completely untouched.
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 599px) {

  /* ── Base ── */
  html { font-size: 15px; }

  body {
    padding: 0 0 100px; /* room for bottom nav */
    /* Prevent elastic overscroll showing white flash */
    overscroll-behavior: none;
  }

  /* ── Header — tighter, app-bar style ── */
  header {
    padding: 12px 16px;
    padding-top: max(12px, env(safe-area-inset-top));
    background: rgba(10,10,10,0.92);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  body.light-mode header {
    background: rgba(240,244,255,0.95);
  }

  .logo-icon { width: 32px; height: 32px; border-radius: 9px; font-size: 0.9rem; }
  .logo-text  { font-size: 1.1rem; }

  /* Move panel buttons to a fixed bottom nav bar on mobile */
  .panel-btns {
    display: none; /* hidden from header on mobile */
  }

  /* Theme toggle stays in header but shrinks */
  .theme-toggle-wrap { margin-left: auto; }

  /* ── Bottom nav bar ── */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 500;
    background: rgba(14,14,18,0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--border);
    padding: 8px 0;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    justify-content: space-around;
    align-items: flex-end;
  }

  body.light-mode .mobile-bottom-nav {
    background: rgba(240,244,255,0.96);
  }

  .mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 16px;
    border-radius: 12px;
    color: var(--text-3);
    font-family: var(--font-ui);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    transition: color 0.2s, background 0.2s;
    position: relative;
    min-width: 56px;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-btn i {
    font-size: 1.15rem;
    transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
  }

  .mobile-nav-btn:active i {
    transform: scale(0.85);
  }

  .mobile-nav-btn.active {
    color: var(--blue);
  }

  .mobile-nav-btn .history-badge {
    top: 2px;
    right: 8px;
  }

  /* ── Container ── */
  .container {
    padding: 14px 14px 0;
  }

  /* ── Page hero — more compact on mobile ── */
  .page-hero { margin-bottom: 14px; text-align: left; }

  /* ── Input card ── */
  .input-card {
    padding: 14px;
    border-radius: var(--radius-lg);
    /* Subtle glow on focus to feel native */
    transition: box-shadow 0.3s ease;
  }

  .input-card:focus-within {
    box-shadow: 0 0 0 2px rgba(66,133,244,0.2), var(--shadow-md);
  }

  input[type="text"] {
    font-size: 1rem; /* prevents iOS zoom on focus */
    padding: 14px 40px 14px 44px;
    border-radius: var(--radius);
  }

  .fetch-btn {
    min-height: 50px;
    border-radius: var(--radius);
    font-size: 0.95rem;
  }

  /* ── Video card — full-width thumb on mobile ── */
  .video-card {
    padding: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    gap: 0;
  }

  .thumb-wrap {
    width: 100%;
    border-radius: 0;
  }

  .thumb-wrap img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }

  .video-meta {
    padding: 12px 14px 14px;
  }

  .video-meta h2 {
    font-size: 0.95rem;
    -webkit-line-clamp: 3;
  }

  .meta-channel { font-size: 0.75rem; }

  /* ── Options section ── */
  .options-section {
    padding: 14px;
    border-radius: var(--radius-lg);
  }

  .options-row {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  /* Larger tap targets on dropdowns */
  .dropdown-selected {
    height: 52px;
    padding: 0 14px;
    font-size: 0.95rem;
    border-radius: var(--radius);
  }

  .dropdown-options div {
    padding: 16px 14px;
    font-size: 0.95rem;
  }

  /* ── Download button — big, thumb-friendly ── */
  .download-btn {
    min-height: 56px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    letter-spacing: 0.2px;
  }

  /* ── Progress card ── */
  .progress-card {
    padding: 16px 14px;
    border-radius: var(--radius-lg);
  }

  .progress-track { height: 7px; }

  .download-success-btn {
    min-height: 52px;
    font-size: 0.95rem;
    border-radius: var(--radius);
  }

  /* ── Panels — full bottom sheet on mobile ── */
  .floating-panel {
    border-radius: 20px 20px 0 0;
    max-height: 90vh;
    /* Pill handle */
  }

  .floating-panel::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: var(--border2);
    border-radius: 99px;
    margin: 10px auto 0;
    flex-shrink: 0;
  }

  .panel-header {
    padding: 12px 16px 12px;
    padding-top: 6px;
  }

  .panel-body {
    padding: 14px 16px;
    /* Momentum scrolling on iOS */
    -webkit-overflow-scrolling: touch;
  }

  /* ── History items — bigger touch targets ── */
  .history-item {
    padding: 12px 14px;
    border-radius: var(--radius);
  }

  .history-thumb { width: 64px; height: 40px; }

  .history-dl-btn,
  .history-del-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 0.85rem;
  }

  /* ── Batch textarea ── */
  .batch-textarea {
    font-size: 0.9rem; /* prevent iOS zoom */
    min-height: 120px;
  }

  /* ── Clean title row ── */
  .clean-title-row { padding: 12px 14px; }

  /* ── Filename preview ── */
  .filename-preview { padding: 10px 12px; }
  .filename-preview input { font-size: 0.78rem; }

  /* ── Toggle switch — bigger on mobile ── */
  .toggle-switch { width: 46px; height: 26px; }
  .toggle-track::after { width: 20px; height: 20px; }
  .toggle-switch input:checked + .toggle-track::after { transform: translateX(20px); }

  /* ── ETA / expiry rows ── */
  .eta-row, .expiry-row { font-size: 0.78rem; }

  /* ── Hide page hero tagline, reduce heading sizes ── */
  .page-title { font-size: 1.8rem; }
  .page-sub   { font-size: 0.82rem; }

  /* ── Drag overlay — disable on mobile (touch UX) ── */
  .drag-overlay { display: none !important; }

  /* ── Scrollbar — thinner on mobile ── */
  ::-webkit-scrollbar { width: 3px; }
}

/* ── Mobile bottom nav — hidden on desktop ── */
@media (min-width: 600px) {
  .mobile-bottom-nav { display: none !important; }
  .panel-btns { display: flex !important; }
}

/* ── PWA standalone mode — extra safe area handling ── */
@media (display-mode: standalone) {
  header {
    padding-top: max(14px, env(safe-area-inset-top));
  }
  body {
    padding-bottom: max(100px, calc(80px + env(safe-area-inset-bottom)));
  }
}

/* ── Logo image (replaces gradient square) ───────────────────────────────── */
.logo-icon-img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
}

@media (min-width: 720px) {
  .logo-icon-img { width: 38px; height: 38px; }
}

/* ── AcoustID auto-tag badge ─────────────────────────────────────────────── */
.acoustid-badge {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
    padding: 10px 14px;
    background: rgba(76, 201, 240, 0.07);
    border: 1px solid rgba(76, 201, 240, 0.25);
    border-radius: var(--radius);
    font-size: 0.78rem;
    font-family: var(--font-mono);
    color: var(--text-2);
    animation: fadeInUp 0.3s ease-out;
}
.acoustid-badge i {
    color: var(--cyan);
    font-size: 0.8rem;
}
.acoustid-badge strong {
    color: var(--text);
    font-weight: 600;
}
.acoustid-score {
    font-size: 0.68rem;
    color: var(--green);
    background: rgba(52,168,83,0.1);
    border: 1px solid rgba(52,168,83,0.25);
    border-radius: var(--radius-pill);
    padding: 1px 8px;
}