:root {
  color-scheme: light;
  --ink: #17211b;
  --muted: #68736d;
  --paper: #f7f5ef;
  --panel: #ffffff;
  --line: #dfded6;
  --accent: #e84d3d;
  --accent-2: #0d7c86;
  --accent-3: #f0b43d;
  --shadow: 0 18px 55px rgba(24, 31, 26, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    linear-gradient(120deg, rgba(232, 77, 61, 0.08), transparent 34%),
    linear-gradient(250deg, rgba(13, 124, 134, 0.12), transparent 38%),
    var(--paper);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-shortcut {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  min-height: 48px;
  padding: 8px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 245, 239, 0.94);
  backdrop-filter: blur(18px);
}

.site-shortcut a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(13, 124, 134, 0.26);
  border-radius: 8px;
  color: #064d55;
  background: rgba(13, 124, 134, 0.08);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.site-shortcut a:hover {
  border-color: rgba(13, 124, 134, 0.46);
  background: rgba(13, 124, 134, 0.13);
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: calc(100vh - 48px);
}

.sidebar {
  position: sticky;
  top: 48px;
  height: calc(100vh - 48px);
  overflow: auto;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: rgba(247, 245, 239, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, transparent 42%, rgba(255, 255, 255, 0.9) 43% 54%, transparent 55%),
    linear-gradient(135deg, var(--accent), var(--accent-3) 52%, var(--accent-2));
  box-shadow: 0 12px 28px rgba(232, 77, 61, 0.22);
}

.brand p,
.brand span,
.eyebrow,
.panel h2,
.section-heading h2,
.output-topline h2,
.negative-row p,
.stats-grid p {
  margin: 0;
}

.brand p {
  font-weight: 800;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 12px 32px rgba(24, 31, 26, 0.07);
}

.panel.compact {
  padding: 16px;
  margin-bottom: 16px;
}

.panel-heading,
.output-topline,
.section-heading,
.button-row,
.output-actions {
  display: flex;
  align-items: center;
}

.panel-heading,
.output-topline,
.section-heading {
  justify-content: space-between;
  gap: 16px;
}

.panel h2,
.section-heading h2 {
  font-size: 18px;
  line-height: 1.2;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.chip,
.tab,
.text-button,
.icon-button,
.primary-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.chip {
  padding: 0 10px;
  color: var(--muted);
  text-align: left;
}

.chip.active,
.tab.active {
  border-color: rgba(13, 124, 134, 0.35);
  color: #064d55;
  background: rgba(13, 124, 134, 0.1);
}

.chip:hover,
.tab:hover,
.text-button:hover,
.icon-button:hover {
  transform: translateY(-1px);
  border-color: rgba(23, 33, 27, 0.28);
}

.control-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  margin-top: 14px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fff;
  font-size: 13px;
}

.toggle-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.control {
  display: grid;
  gap: 6px;
}

.control label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.control select,
.custom-param {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  padding: 0 12px;
}

.custom-param {
  min-height: 38px;
  color: #334139;
  background: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.custom-param:focus,
.control select:focus {
  outline: 0;
  border-color: rgba(13, 124, 134, 0.52);
  box-shadow: 0 0 0 3px rgba(13, 124, 134, 0.1);
}

.lock {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 4px 0;
}

.lock.active {
  color: var(--accent);
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 24px;
  min-height: 270px;
  align-items: stretch;
  overflow: hidden;
  border-radius: 8px;
  background: #171c19;
  box-shadow: var(--shadow);
}

.hero-copy {
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px;
  color: #fffaf0;
}

.eyebrow {
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffcf68;
}

.hero h1 {
  max-width: 620px;
  margin: 10px 0 12px;
  font-size: 56px;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p:last-child {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 250, 240, 0.78);
  font-size: 16px;
  line-height: 1.7;
}

.hero-visual {
  min-height: 260px;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(1.12) contrast(1.04);
}

.prompt-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  margin-top: 22px;
}

.output-panel,
.inspector,
.library {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 14px 42px rgba(24, 31, 26, 0.09);
}

.output-panel {
  padding: 22px;
}

#activeCategory {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: #6d351c;
  background: rgba(240, 180, 61, 0.18);
  font-size: 13px;
  font-weight: 800;
}

.output-topline h2 {
  margin-top: 10px;
  font-size: 24px;
}

.output-actions,
.button-row {
  gap: 10px;
  flex-wrap: wrap;
}

.icon-button {
  width: 42px;
  padding: 0;
  font-size: 19px;
}

.text-button,
.primary-button {
  padding: 0 16px;
  font-weight: 800;
}

.primary-button {
  min-width: 150px;
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
  box-shadow: 0 16px 34px rgba(232, 77, 61, 0.2);
}

.primary-button:hover {
  transform: translateY(-1px);
  background: #d84234;
}

.text-button.ghost {
  color: var(--muted);
  background: transparent;
}

.prompt-output {
  width: 100%;
  min-height: 172px;
  margin: 18px 0;
  padding: 20px;
  border: 1px solid rgba(13, 124, 134, 0.2);
  border-radius: 8px;
  outline: 0;
  resize: vertical;
  color: #14231c;
  background:
    linear-gradient(135deg, rgba(13, 124, 134, 0.08), transparent),
    #fffefb;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  line-height: 1.75;
}

.prompt-output:focus {
  border-color: rgba(13, 124, 134, 0.58);
  box-shadow: 0 0 0 4px rgba(13, 124, 134, 0.1);
}

.negative-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}

.negative-row span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.negative-row p {
  color: var(--muted);
  line-height: 1.5;
}

.inspector {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.preview-card {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border-radius: 8px;
  color: #fff;
  background:
    radial-gradient(circle at 72% 24%, rgba(255, 255, 255, 0.86), transparent 12%),
    linear-gradient(135deg, #17211b, #0d7c86 52%, #f0b43d);
}

.preview-card::after {
  content: "";
  position: absolute;
  inset: 42% -10% -24% -18%;
  background: rgba(255, 255, 255, 0.18);
  transform: rotate(-7deg);
}

.preview-label,
.preview-caption {
  position: absolute;
  z-index: 1;
  left: 18px;
  right: 18px;
}

.preview-label {
  top: 18px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.preview-caption {
  bottom: 18px;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.15;
}

.preview-orbit {
  position: absolute;
  inset: 68px 42px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 50%;
  transform: rotate(-24deg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stats-grid div {
  min-height: 84px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.stats-grid span {
  font-size: 30px;
  font-weight: 900;
}

.stats-grid p {
  color: var(--muted);
}

.library {
  margin-top: 22px;
  padding: 22px;
}

.section-heading {
  align-items: end;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: min(360px, 100%);
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--ink);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.tab {
  padding: 0 14px;
}

.prompt-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.prompt-card {
  display: grid;
  gap: 12px;
  min-height: 210px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.prompt-card .thumb {
  min-height: 86px;
  border-radius: 6px;
  background:
    radial-gradient(circle at 22% 24%, rgba(255, 255, 255, 0.8), transparent 18%),
    linear-gradient(135deg, var(--tone-a), var(--tone-b));
}

.prompt-card h3 {
  margin: 0;
  font-size: 16px;
}

.prompt-card p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.card-actions button {
  flex: 1 1 76px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 36px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.58);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 5;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  padding: 12px 16px;
  border-radius: 8px;
  color: #fff;
  background: #17211b;
  box-shadow: var(--shadow);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .prompt-board {
    grid-template-columns: 1fr;
  }

  .inspector {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

  .prompt-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-shortcut {
    justify-content: center;
    padding: 8px 16px;
  }

  .workspace,
  .sidebar {
    padding: 16px;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 28px;
  }

  .hero h1 {
    font-size: 36px;
    line-height: 1.05;
  }

  .hero-visual {
    min-height: 150px;
    clip-path: none;
  }

  .output-topline,
  .section-heading,
  .negative-row,
  .inspector {
    display: grid;
    grid-template-columns: 1fr;
  }

  .prompt-list {
    grid-template-columns: 1fr;
  }

  .button-row {
    align-items: stretch;
  }

  .primary-button,
  .text-button {
    flex: 1 1 150px;
  }

  .toast {
    right: 16px;
    bottom: 16px;
    left: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .chip-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 22px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .output-panel,
  .library {
    padding: 16px;
  }

  .prompt-output {
    min-height: 210px;
    padding: 16px;
    font-size: 14px;
  }

  .search-box {
    min-width: 100%;
  }
}