:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  color: #f0eff5;
  background: #100f15;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #f0eff5;
  --muted: #aaa7b5;
  --accent: #176b8a;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: #100f15;
}
button,
input {
  font: inherit;
}
::selection {
  color: #fff;
  background: var(--accent);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100% - 48px, 1080px);
  min-height: 100vh;
  margin-inline: auto;
  display: flex;
}
#gradient-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #100f15;
}
.gradient-ascii-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}
.workspace {
  width: min(100%, 1080px);
  margin: auto;
  transform: translateY(-18px);
}
.workspace.has-result {
  margin-block: 40px;
  transform: none;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.input-panel {
  width: min(100%, 760px);
  margin-inline: auto;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  transition:
    width 0.72s var(--ease-out),
    transform 0.78s var(--ease-out);
}
.media-landscape .input-panel,
.media-landscape .result-panel {
  width: min(100%, 980px);
}
.ai-input-wrapper {
  width: 100%;
  position: relative;
}
.ai-input-container {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px;
  background: rgba(31, 32, 61, 0.68);
  border: 1px solid rgba(167, 172, 255, 0.16);
  border-radius: 999px;
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.3),
    inset 0 1px rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(22px) saturate(155%);
  -webkit-backdrop-filter: blur(22px) saturate(155%);
  transition:
    border-color 0.24s ease,
    box-shadow 0.24s ease,
    background 0.24s ease;
}
.ai-input-container:hover {
  background: rgba(36, 37, 70, 0.76);
  border-color: rgba(139, 145, 255, 0.48);
  box-shadow:
    0 0 0 2px rgba(111, 119, 255, 0.08),
    0 14px 36px rgba(0, 0, 0, 0.34),
    inset 0 1px rgba(255, 255, 255, 0.08);
}
.ai-input-container:focus-within {
  background: rgba(36, 37, 70, 0.76);
  border-color: rgba(139, 145, 255, 0.72);
  box-shadow:
    0 0 0 3px rgba(111, 119, 255, 0.14),
    0 14px 36px rgba(0, 0, 0, 0.34),
    inset 0 1px rgba(255, 255, 255, 0.08);
}
.ai-input-container.is-invalid {
  border-color: rgba(255, 139, 157, 0.72);
}
.ai-input {
  flex: 1;
  width: 100%;
  min-width: 0;
  height: 52px;
  padding: 0 24px;
  color: var(--ink);
  background: rgba(20, 21, 43, 0.55);
  border: 1px solid rgba(184, 187, 255, 0.08);
  border-radius: 999px;
  outline: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition:
    color 0.2s ease,
    background 0.24s ease,
    border-color 0.24s ease,
    box-shadow 0.24s ease;
}
.ai-input:hover:not(:focus) {
  background: rgba(29, 30, 58, 0.72);
  border-color: rgba(184, 187, 255, 0.32);
}
.ai-input::placeholder {
  color: #aaabc8;
  transition: color 0.2s ease;
}
.ai-input:focus {
  background: rgba(28, 29, 57, 0.72);
  border-color: rgba(149, 154, 255, 0.9);
  box-shadow:
    0 0 0 1px rgba(130, 137, 255, 0.22),
    inset 0 0 14px rgba(110, 117, 255, 0.08);
}
.ai-input:focus-visible {
  outline: none;
}
.ai-input:focus::placeholder {
  color: #85869f;
}
.ai-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  min-width: 142px;
  padding: 0 24px;
  color: #fff;
  background: linear-gradient(135deg, #666ef0, #8a5be9);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 620;
  cursor: pointer;
  box-shadow:
    0 5px 18px rgba(104, 94, 239, 0.3),
    inset 0 1px rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  transition:
    background 0.24s ease,
    box-shadow 0.24s ease,
    transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.2s ease;
}
.ai-submit:hover:not(:disabled) {
  background: linear-gradient(135deg, #737af8, #9669f1);
  box-shadow:
    0 8px 24px rgba(104, 94, 239, 0.42),
    inset 0 1px rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}
.ai-submit:active:not(:disabled) {
  transform: translateY(0) scale(0.985);
  box-shadow:
    0 3px 12px rgba(104, 94, 239, 0.28),
    inset 0 1px rgba(255, 255, 255, 0.16);
}
.ai-submit:disabled {
  cursor: wait;
  opacity: 0.68;
}
.ai-icon {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.ai-submit:hover:not(:disabled) .ai-icon {
  transform: translateX(3px);
}
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(72, 176, 211, 0.58);
  outline-offset: 3px;
}
.status {
  margin: 10px 24px 0;
  padding: 0;
  color: #ffadb9;
  font-size: 12px;
  line-height: 1.5;
}

.result-panel {
  width: min(100%, 760px);
  margin: 30px auto 0;
  padding: 26px;
  background: rgba(28, 27, 40, 0.72);
  border: 1px solid rgba(188, 181, 224, 0.2);
  border-radius: 30px;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.3),
    inset 0 1px rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(30px) saturate(135%);
  -webkit-backdrop-filter: blur(30px) saturate(135%);
  transition: width 0.72s var(--ease-out);
  animation: panel-in 0.54s var(--ease-out) both;
}
.result-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  animation: content-in 0.68s var(--ease-out) 0.04s both;
}
.result-heading > div {
  min-width: 0;
}
.result-title {
  max-width: 820px;
  margin: 0;
  color: #f4f2fa;
  font-size: 23px;
  line-height: 1.38;
  font-weight: 620;
  overflow-wrap: anywhere;
}
.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.quality {
  flex: 0 0 auto;
  padding: 7px 11px;
  color: #c8c9ff;
  background: rgba(103, 105, 204, 0.16);
  border: 1px solid rgba(143, 145, 239, 0.2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 650;
}
.media-player,
.player-frame {
  position: relative;
  display: block;
  width: 100%;
  max-height: 72vh;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #09090d;
  border: 1px solid rgba(193, 187, 223, 0.17);
  border-radius: 22px;
}
.media-player video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #09090d;
}
.player-frame {
  animation: content-in 0.72s var(--ease-out) 0.12s both;
}
.preview-controls {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 14px 16px 11px;
  color: #f6f4fb;
  background: linear-gradient(180deg, transparent, rgba(5, 5, 10, 0.92) 34%);
  opacity: 0.9;
  transition: opacity 0.2s ease;
}
.media-player:hover .preview-controls,
.media-player:focus-within .preview-controls,
.media-player:fullscreen .preview-controls {
  opacity: 1;
}
.preview-button {
  display: grid;
  flex: 0 0 34px;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: inherit;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  cursor: pointer;
  transition:
    background 0.18s ease,
    transform 0.18s ease;
}
.preview-button:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}
.preview-button svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.preview-time {
  flex: 0 0 auto;
  color: rgba(255, 255, 255, 0.88);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.preview-seek,
.preview-volume {
  height: 4px;
  padding: 0;
  accent-color: #aaa2ff;
  cursor: pointer;
}
.preview-seek {
  flex: 1;
  min-width: 40px;
  background: linear-gradient(
    to right,
    #aaa2ff var(--progress, 0%),
    rgba(255, 255, 255, 0.3) var(--progress, 0%)
  );
  appearance: none;
}
.preview-seek::-webkit-slider-thumb,
.preview-volume::-webkit-slider-thumb {
  width: 10px;
  height: 10px;
  appearance: none;
  background: #fff;
  border-radius: 50%;
}
.preview-volume {
  flex: 0 1 76px;
  width: 76px;
}
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
  animation: content-in 0.7s var(--ease-out) 0.14s both;
}
.image-grid:not(.single-image) {
  grid-auto-rows: 8px;
  align-items: start;
}
.image-item,
.live-item {
  min-width: 0;
  margin: 0;
}
.image-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.image-grid:not(.single-image) .image-item {
  display: flex;
  width: 100%;
  min-height: 0;
}
.image-item img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 72vh;
  object-fit: contain;
  background: rgba(11, 10, 16, 0.46);
  border: 1px solid rgba(193, 187, 223, 0.17);
  border-radius: 22px;
}
.image-item .download-button {
  flex: 0 0 auto;
  align-self: stretch;
  width: 100%;
  margin-top: 8px;
}
.single-image {
  grid-template-columns: minmax(0, 1fr);
  grid-auto-rows: auto;
}
.single-image .image-item {
  width: 100%;
  max-width: 100%;
  margin-inline: auto;
}
.single-image img {
  width: 100%;
  max-width: 100%;
}
.live-item {
  overflow: hidden;
  background: rgba(13, 12, 19, 0.38);
  border: 1px solid rgba(193, 187, 223, 0.17);
  border-radius: 24px;
}
.live-item .media-player {
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: 0;
}
.live-item .media-player video {
  object-fit: contain;
}
.live-item .download-button {
  width: 100%;
  min-height: 46px;
  margin: 0;
}
.download-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin: 20px auto 0;
  animation: content-in 0.66s var(--ease-out) 0.22s both;
}
.video-actions {
  width: 100%;
}
.video-actions .download-button {
  flex: 1 1 0;
  min-width: 0;
}
.gallery-actions .download-button {
  flex: 0 0 100%;
  width: 100%;
}
.download-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  color: #e5e3ed;
  background: rgba(45, 43, 58, 0.76);
  border: 1px solid rgba(190, 183, 223, 0.2);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
  animation: content-in 0.5s var(--ease-out) 0.28s both;
}
.download-actions .download-button:nth-child(2) {
  animation-delay: 0.34s;
}
.download-actions .download-button:nth-child(3) {
  animation-delay: 0.4s;
}
.download-actions .download-button:nth-child(4) {
  animation-delay: 0.46s;
}
.download-button:hover {
  background: rgba(62, 59, 80, 0.9);
  border-color: rgba(195, 187, 239, 0.4);
  box-shadow: 0 7px 20px rgba(0, 0, 0, 0.2);
  transform: translateY(-1px);
}
.download-button:active {
  transform: translateY(1px);
}
.download-button.primary {
  color: #fff;
  background: linear-gradient(135deg, #626bed, #8056dc);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow:
    0 5px 18px rgba(104, 94, 239, 0.22),
    inset 0 1px rgba(255, 255, 255, 0.15);
}
.download-button.primary:hover {
  background: linear-gradient(135deg, #737bf5, #9068e7);
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.992);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@keyframes content-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (hover: none) {
  .preview-controls {
    opacity: 1;
  }
}
@media (max-width: 600px) {
  .page-shell {
    width: min(100% - 32px, 720px);
  }
  #gradient-background {
    inset: 0;
  }
  .workspace {
    transform: translateY(-10px);
  }
  .input-panel,
  .media-landscape .input-panel,
  .result-panel,
  .media-landscape .result-panel {
    width: 100%;
  }
  .ai-input-container {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 8px;
    border-radius: 32px;
  }
  .ai-submit {
    width: 100%;
  }
  .result-panel {
    margin-top: 24px;
    padding: 16px;
    border-radius: 26px;
  }
  .result-heading {
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
  }
  .result-title {
    font-size: 18px;
  }
  .result-meta {
    font-size: 12px;
  }
  .media-player,
  .player-frame {
    border-radius: 18px;
  }
  .media-grid {
    gap: 10px;
  }
  .image-grid:not(.single-image) {
    gap: 10px;
  }
  .image-grid:not(.single-image) .image-item {
    margin-bottom: 12px;
  }
  .image-item img {
    border-radius: 16px;
  }
  .single-image .image-item {
    width: 100%;
  }
  .live-item {
    border-radius: 18px;
  }
  .live-item .download-button {
    width: 100%;
    min-height: 42px;
    margin: 0;
    padding-inline: 8px;
    font-size: 12px;
  }
  .preview-controls {
    gap: 4px;
    padding: 10px 6px 7px;
  }
  .preview-controls .preview-time:first-of-type {
    display: none;
  }
  .preview-button {
    flex-basis: 24px;
    width: 24px;
    height: 24px;
  }
  .preview-button svg {
    width: 14px;
    height: 14px;
  }
  .preview-seek {
    min-width: 32px;
  }
  .preview-volume {
    display: none;
  }
  .preview-time {
    font-size: 10px;
  }
  .download-actions {
    gap: 8px;
    margin-top: 14px;
  }
  .video-actions {
    width: 100%;
  }
  .download-button {
    flex: 1 1 135px;
    min-height: 46px;
    padding-inline: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}