:root {
  color-scheme: light;
  --accent: #0d9488;
  --accent-strong: #0f766e;
  --accent-soft: rgba(20, 184, 166, 0.14);
  --ink: #0f172a;
  --muted: #64748b;
  --line: rgba(203, 213, 225, 0.7);
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --shadow: 0 22px 55px rgba(15, 23, 42, 0.1);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  color: var(--ink);
  background: #eef7f6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  overflow: hidden;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #eef7f6 0%, #f8fafc 44%, #e8f6f3 100%);
}

button,
input,
textarea {
  margin: 0;
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

svg {
  display: block;
  vertical-align: middle;
}

p,
h2,
h3 {
  margin: 0;
}

::selection {
  color: #134e4a;
  background: rgba(20, 184, 166, 0.2);
}

::-webkit-scrollbar {
  width: 0.5rem;
  height: 0.5rem;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  border-radius: 9999px;
  background: transparent;
  transition: background-color 0.2s ease;
}

*:hover::-webkit-scrollbar-thumb {
  background: rgba(209, 213, 219, 0.5);
}

*:hover::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

#app {
  position: relative;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow-x: hidden;
}

#app::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image:
    radial-gradient(circle at 18% 16%, rgba(20, 184, 166, 0.16) 0 18%, transparent 42%),
    radial-gradient(circle at 84% 8%, rgba(14, 165, 233, 0.13) 0 16%, transparent 40%),
    linear-gradient(120deg, rgba(15, 118, 110, 0.05), transparent 42%, rgba(245, 158, 11, 0.05));
}

.page-layout {
  display: flex;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  padding: 0;
}

.image-experience {
  width: 100%;
  min-height: 0;
  height: 100%;
}

.image-shell {
  display: flex;
  height: 100%;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  border: none;
  border-radius: 0;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(248, 250, 252, 0.88));
  box-shadow: none;
  backdrop-filter: none;
}

.image-tabs {
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
  align-items: center;
  border-bottom: 1px solid rgba(226, 232, 240, 0.68);
  padding: 0 clamp(12px, 1.4vw, 18px);
  background: rgba(255, 255, 255, 0.58);
}

.image-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid transparent;
  padding: clamp(9px, 1.5vh, 14px) 10px clamp(8px, 1.3vh, 12px);
  color: #64748b;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.image-tab:hover {
  color: #111827;
}

.image-tab-active {
  border-color: #14b8a6;
  color: #0d9488;
}

.mode-panel[hidden] {
  display: none !important;
}

.mode-panel {
  min-height: 0;
}

.image-workbench {
  display: grid;
  flex: 1 1 auto;
  grid-template-columns: minmax(380px, 0.65fr) minmax(360px, 1.35fr);
  gap: clamp(10px, 1.4vw, 18px);
  min-height: 0;
  height: auto;
  overflow: hidden;
  padding: clamp(10px, 1.4vw, 18px);
}

.image-controls {
  display: grid;
  min-width: 0;
  height: 100%;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: clamp(8px, 1.15vh, 12px);
  overflow-y: auto;
  overflow-x: hidden;
  border: 1px solid rgba(226, 232, 240, 0.75);
  border-radius: 18px;
  padding: clamp(10px, 1.4vw, 14px);
  padding-bottom: clamp(20px, 3vh, 30px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.76)),
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.1), transparent 42%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.field-span {
  grid-column: 1 / -1;
}

.field-ratio {
  grid-column: 1 / -1;
}

.field-reference {
  grid-column: 1 / -1;
}

.field-prompt {
  grid-column: 1 / -1;
}

.image-field {
  display: flex;
  flex-direction: column;
  gap: clamp(5px, 0.75vh, 8px);
}

.image-row-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.input-label {
  display: block;
  margin-bottom: 0;
  color: #334155;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.25rem;
}

.input-hint {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1rem;
}

.image-muted,
.image-active-value,
.char-count {
  color: #64748b;
  font-size: 12px;
  font-weight: 600;
}

.select-trigger {
  display: flex;
  width: 100%;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  padding: 0.625rem 1rem;
  background: #ffffff;
  color: #111827;
  font-size: 0.875rem;
  line-height: 1.25rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.select-trigger:hover {
  border-color: #d1d5db;
}

.select-trigger:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  border-color: #14b8a6;
  box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.3);
}

.select-value {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.select-icon {
  flex-shrink: 0;
  color: #94a3b8;
}

.input {
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 0.75rem;
  padding: 0.5rem 0.875rem;
  background: var(--panel-strong);
  color: var(--ink);
  font-size: 0.875rem;
  line-height: 1.25rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input::placeholder {
  color: #9ca3af;
}

.input:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
}

.field-prompt textarea.input {
  min-height: clamp(58px, 10vh, 84px);
  max-height: 13vh;
  resize: none;
}

.prompt-textarea {
  width: 100% !important;
  min-height: clamp(58px, 10vh, 84px);
  max-height: 13vh;
  resize: vertical;
  box-sizing: border-box;
  display: block;
}

.resolution-tier {
  display: flex;
  gap: 6px;
  padding: 2px;
  background: rgba(241, 245, 249, 0.8);
  border-radius: 10px;
  border: 1px solid rgba(226, 232, 240, 0.6);
}

.tier-btn {
  flex: 1;
  padding: 6px 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #64748b;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.tier-btn:hover {
  color: #334155;
  background: rgba(255, 255, 255, 0.6);
}

.tier-btn-active {
  background: #ffffff;
  color: #0f766e;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
  font-weight: 700;
}

.ratio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.ratio-card {
  position: relative;
  display: flex;
  min-height: 64px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #f8fafc;
  color: #475569;
  font-size: 11px;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.ratio-card-active {
  border-color: #14b8a6;
  background: #ccfbf1;
  color: #0f766e;
}

.ratio-shape {
  display: block;
  border-radius: 6px;
  background: transparent;
  border: 2.5px solid #cbd5e1;
}

.ratio-shape-auto {
  border: 2.5px dashed #cbd5e1;
}

.ratio-card-active .ratio-shape {
  border-color: #2dd4bf;
}

.ratio-card-active .ratio-shape-auto {
  border-color: #2dd4bf;
  border-style: dashed;
}

.image-range {
  width: 100%;
  accent-color: var(--accent);
}

.prompt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: clamp(60px, 10vh, 100px);
  overflow-y: auto;
}

.prompt-chip {
  max-width: 100%;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 5px 10px;
  color: #475569;
  font-size: 12px;
  line-height: 1.3;
}

.advanced-panel {
  grid-column: 1 / -1;
  overflow: hidden;
  border: 1px solid rgba(203, 213, 225, 0.78);
  border-radius: 14px;
  padding: 0;
  background: rgba(255, 255, 255, 0.78);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.advanced-panel[open] {
  border-color: rgba(20, 184, 166, 0.45);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.advanced-panel summary {
  display: flex;
  cursor: pointer;
  list-style: none;
  align-items: center;
  justify-content: space-between;
  padding: clamp(9px, 1.35vh, 12px);
  color: #334155;
  font-size: 13px;
  font-weight: 700;
  user-select: none;
}

.advanced-panel summary::-webkit-details-marker {
  display: none;
}

.advanced-panel summary svg {
  transition: transform 0.24s ease;
}

.advanced-panel[open] summary > svg:last-child {
  transform: rotate(180deg);
}

.advanced-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(8px, 1vh, 12px);
  height: 0;
  overflow: hidden;
  padding: 0 clamp(9px, 1.35vh, 12px) 0;
  opacity: 0;
  transform: translateY(-6px);
  transition: height 0.28s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), padding 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.advanced-panel[open] .advanced-body {
  height: auto;
  padding-bottom: clamp(9px, 1.35vh, 12px);
  opacity: 1;
  transform: translateY(0);
}

.cost-card {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 14px;
  padding: clamp(9px, 1.35vh, 12px);
  background: linear-gradient(135deg, rgba(240, 253, 250, 0.98), rgba(255, 255, 255, 0.86));
}

.cost-label {
  color: #0f766e;
  font-size: 13px;
  font-weight: 700;
}

.cost-hint {
  margin-top: 3px;
  color: #94a3b8;
  font-size: 11px;
}

.cost-value {
  color: var(--accent);
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 0.75rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.5);
}

.btn:disabled {
  transform: none;
  opacity: 0.5;
}

.btn-primary {
  background: linear-gradient(to right, #14b8a6, #0d9488);
  color: #ffffff;
  box-shadow: 0 4px 6px -1px rgba(20, 184, 166, 0.25), 0 2px 4px -2px rgba(20, 184, 166, 0.25);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(to right, #0d9488, #0f766e);
  box-shadow: 0 10px 15px -3px rgba(20, 184, 166, 0.3), 0 4px 6px -4px rgba(20, 184, 166, 0.3);
}

.image-submit {
  grid-column: 1 / -1;
  width: 100%;
  justify-content: center;
  position: sticky;
  bottom: 0;
  z-index: 10;
  background: linear-gradient(to right, #14b8a6, #0d9488);
  box-shadow: 0 -4px 12px rgba(255, 255, 255, 0.8);
  margin-top: 4px;
}

.image-canvas {
  display: flex;
  min-height: 0;
  height: 100%;
  align-items: stretch;
  justify-content: center;
  border: 1px solid rgba(203, 213, 225, 0.72);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.035) 25%, transparent 25%) 0 0 / 22px 22px,
    linear-gradient(135deg, transparent 75%, rgba(15, 23, 42, 0.035) 75%) 0 0 / 22px 22px,
    radial-gradient(circle at 50% 44%, rgba(20, 184, 166, 0.12), transparent 34%),
    rgba(248, 250, 252, 0.72);
  padding: clamp(10px, 1.4vw, 16px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}

.image-empty {
  display: flex;
  max-width: 360px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 22px;
  padding: clamp(18px, 4vw, 34px);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
}

.image-empty-icon {
  display: flex;
  width: 62px;
  height: 62px;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(135deg, #ccfbf1, #f8fafc);
  color: var(--accent);
  box-shadow: 0 12px 24px rgba(13, 148, 136, 0.12);
}

.image-empty h3,
.history-empty h3 {
  margin-top: 14px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
}

.image-empty p,
.history-empty p {
  margin-top: 6px;
  color: #64748b;
  font-size: 14px;
}

.mock-results {
  display: flex;
  width: 100%;
  min-height: 0;
  flex-direction: column;
  gap: clamp(10px, 1.4vh, 14px);
}

.mock-result-head {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 16px;
  padding: clamp(10px, 1.4vh, 14px);
  background: rgba(255, 255, 255, 0.78);
}

.mock-result-head h3 {
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
}

.mock-result-head p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.mock-status {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 10px;
  background: rgba(20, 184, 166, 0.12);
  color: #0f766e;
  font-size: 12px;
  font-weight: 800;
}

.mock-grid {
  display: grid;
  flex: 1 1 auto;
  min-height: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(0, 1fr);
  gap: clamp(10px, 1.4vw, 14px);
}

.mock-grid-compact {
  grid-auto-rows: 1fr;
}

.mock-card,
.history-card {
  min-width: 0;
  border: 1px solid rgba(226, 232, 240, 0.82);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.07);
}

.mock-card {
  display: flex;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  border-radius: 18px;
}

.mock-art {
  position: relative;
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  align-items: flex-start;
  justify-content: flex-end;
  overflow: hidden;
  padding: 10px;
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.72), transparent 14%),
    linear-gradient(135deg, #0f172a, #0f766e);
}

.mock-art::before {
  position: absolute;
  inset: 14% 18% 18% 16%;
  content: "";
  border-radius: 38% 44% 34% 42%;
  background: radial-gradient(circle at 45% 32%, #f8d38d, #d97706 45%, rgba(15, 23, 42, 0.55) 72%);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.28);
}

.mock-art::after {
  position: absolute;
  inset: auto 10% 10% 10%;
  height: 20%;
  content: "";
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  filter: blur(14px);
}

.mock-art span {
  position: relative;
  z-index: 1;
  border-radius: 999px;
  padding: 4px 8px;
  background: rgba(15, 23, 42, 0.52);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
}

.mock-art-1 {
  background: radial-gradient(circle at 28% 28%, #facc15, transparent 16%), linear-gradient(135deg, #0f172a, #0e7490 48%, #ec4899);
}

.mock-art-2 {
  background: radial-gradient(circle at 72% 22%, #22d3ee, transparent 18%), linear-gradient(145deg, #111827, #0f766e 52%, #f97316);
}

.mock-art-3 {
  background: radial-gradient(circle at 36% 20%, #fef3c7, transparent 15%), linear-gradient(145deg, #172554, #155e75 58%, #fb7185);
}

.mock-art-4 {
  background: radial-gradient(circle at 68% 30%, #f0abfc, transparent 18%), linear-gradient(145deg, #020617, #164e63 48%, #14b8a6);
}

.mock-art-5 {
  background: radial-gradient(circle at 26% 24%, #fde68a, transparent 16%), linear-gradient(135deg, #0f172a, #0369a1 48%, #14b8a6);
}

.mock-art-6 {
  background: radial-gradient(circle at 72% 26%, #67e8f9, transparent 18%), linear-gradient(145deg, #111827, #7c2d12 48%, #0f766e);
}

.mock-art-7 {
  background: radial-gradient(circle at 42% 36%, #fed7aa, transparent 20%), linear-gradient(135deg, #f8fafc, #fb923c 46%, #2563eb);
}

.mock-art-8 {
  background: radial-gradient(circle at 44% 38%, #fef3c7, transparent 22%), linear-gradient(135deg, #14532d, #ca8a04 52%, #f9a8d4);
}

.mock-meta {
  flex: 0 0 auto;
  padding: 9px 10px 10px;
}

.mock-meta strong {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-meta span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.reference-upload {
  display: flex;
  width: 100%;
  height: clamp(52px, 8.5vh, 72px);
  cursor: pointer;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px dashed rgba(20, 184, 166, 0.55);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(240, 253, 250, 0.72), rgba(255, 255, 255, 0.5));
  color: #64748b;
  font-size: 13px;
  font-weight: 700;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.reference-upload:hover {
  border-color: #14b8a6;
  background: linear-gradient(135deg, rgba(204, 251, 241, 0.6), rgba(240, 253, 250, 0.4));
  color: #0f766e;
}

.mock-reference-list {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 6px;
}

.mock-reference-list span {
  max-width: 100%;
  overflow: hidden;
  border-radius: 999px;
  padding: 4px 8px;
  background: rgba(241, 245, 249, 0.92);
  color: #475569;
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-list {
  display: grid;
  flex: 1 1 auto;
  min-height: 0;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(12px, 1.4vw, 16px);
  align-content: start;
  overflow-y: auto;
  padding-right: 4px;
}

.history-card {
  position: relative;
  display: flex;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  border-radius: 16px;
  padding: 0;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  cursor: default;
}

.history-card:hover {
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  transform: translateY(-2px);
}

.history-thumb {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 75%;
  border-radius: 0;
  overflow: hidden;
}

.history-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.18), transparent 40%);
  pointer-events: none;
}

.history-card h3 {
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}

.history-card p,
.history-card span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-card p {
  margin-top: 4px;
  color: #475569;
  font-size: 12px;
}

.history-card span {
  margin-top: 6px;
  color: #94a3b8;
  font-size: 11px;
  font-weight: 600;
}

.history-panel {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  height: auto;
  flex-direction: column;
  padding: clamp(12px, 1.4vw, 18px);
}

.history-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.history-head h2 {
  color: #1e293b;
  font-size: 16px;
  font-weight: 800;
  white-space: nowrap;
}

.history-head p {
  color: #64748b;
  font-size: 13px;
  width: 100%;
  order: 3;
}

.history-empty {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  text-align: center;
  border: 1px solid rgba(226, 232, 240, 0.85);
  border-radius: 20px;
  background: rgba(248, 250, 252, 0.72);
}

.relative {
  position: relative;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.gap-2 {
  gap: 0.5rem;
}

.block {
  display: block;
}

.w-full {
  width: 100%;
}

.h-4,
.w-4 {
  width: 1rem;
  height: 1rem;
}

.h-5,
.w-5 {
  width: 1.25rem;
  height: 1.25rem;
}

.h-6,
.w-6 {
  width: 1.5rem;
  height: 1.5rem;
}

.h-8,
.w-8 {
  width: 2rem;
  height: 2rem;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1.5 {
  margin-bottom: 0.375rem;
}

.min-h-[80px] {
  min-height: 80px;
}

.resize-y {
  resize: vertical;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.gen-progress-text {
  color: #64748b;
  font-size: 12px;
  font-weight: 600;
}

@media (min-width: 768px) {
  .page-layout {
    padding: 0;
  }
}

@media (min-width: 1024px) {
  .page-layout {
    padding: 0;
  }
}

@media (max-width: 1180px) {
  .image-workbench {
    grid-template-columns: minmax(360px, 0.7fr) minmax(0, 1.3fr);
  }
}

@media (max-width: 960px) {
  .image-workbench {
    grid-template-columns: minmax(340px, 1fr) minmax(0, 1fr);
  }

  .image-canvas {
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .page-layout {
    padding: 0;
  }

  .image-shell {
    border-radius: 0;
  }

  .image-tabs {
    overflow-x: auto;
    padding: 6px 12px;
  }

  .image-workbench {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(120px, 1fr);
  }

  .image-controls {
    height: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .image-workbench,
  .history-panel {
    padding: 10px;
  }

  .ratio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .history-head {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .image-controls {
    grid-template-columns: 1fr;
  }

  .field-ratio,
  .field-reference,
  .field-prompt,
  .advanced-panel,
  .cost-card,
  .image-submit {
    grid-column: 1;
  }

  .image-controls {
    gap: 7px;
  }

  .ratio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .field-prompt textarea.input {
    min-height: 54px;
  }
}

@media (max-height: 760px) {
  .page-layout {
    padding: 0;
  }

  .image-workbench,
  .history-panel {
    padding: 8px;
  }

  .image-controls {
    gap: 7px;
    padding: 8px;
  }

  .input-hint {
    display: none;
  }

  .field-prompt textarea.input {
    min-height: 50px;
    max-height: 10vh;
  }

  .image-empty-icon {
    width: 52px;
    height: 52px;
  }

  .image-empty h3,
  .history-empty h3 {
    margin-top: 10px;
    font-size: 16px;
  }

  .image-empty p,
  .history-empty p {
    font-size: 12px;
  }
}

#toast-container {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 380px;
  padding: 14px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  color: #1e293b;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(226, 232, 240, 0.6);
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(-16px) scale(0.96);
  transition: opacity 0.3s cubic-bezier(0.22, 1, 0.36, 1), transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: auto;
}

.toast::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.toast-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast-success { 
  background: linear-gradient(135deg, rgba(240, 253, 250, 0.98), rgba(255, 255, 255, 0.95));
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(20, 184, 166, 0.3);
}
.toast-success::before { background: #14b8a6; }

.toast-error { 
  background: linear-gradient(135deg, rgba(254, 242, 242, 0.98), rgba(255, 255, 255, 0.95));
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(239, 68, 68, 0.3);
}
.toast-error::before { background: #ef4444; }

.toast-warning { 
  background: linear-gradient(135deg, rgba(255, 251, 235, 0.98), rgba(255, 255, 255, 0.95));
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(245, 158, 11, 0.3);
}
.toast-warning::before { background: #f59e0b; }

.toast-info { 
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.98), rgba(255, 255, 255, 0.95));
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(59, 130, 246, 0.3);
}
.toast-info::before { background: #3b82f6; }

.select-open .select-trigger {
  border-color: #14b8a6;
  box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.3);
}

.select-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 100;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
  padding: 4px;
  animation: selectFadeIn 0.18s ease;
}

@keyframes selectFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.select-option {
  display: block;
  width: 100%;
  padding: 9px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #334155;
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.select-option:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.select-option-active {
  background: rgba(20, 184, 166, 0.1);
  color: #0d9488;
  font-weight: 700;
}

.select-option-active:hover {
  background: rgba(20, 184, 166, 0.18);
}

.gen-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  gap: 16px;
  text-align: center;
}

.gen-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(20, 184, 166, 0.2);
  border-top-color: #14b8a6;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.gen-loading-text {
  color: #334155;
  font-size: 16px;
  font-weight: 700;
}

.gen-loading-hint {
  color: #94a3b8;
  font-size: 13px;
}

.gen-btn-spin {
  animation: spin 1s linear infinite;
}

.gen-results {
  display: flex;
  width: 100%;
  min-height: 0;
  flex-direction: column;
  gap: clamp(10px, 1.4vh, 14px);
}

.gen-result-head {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 16px;
  padding: clamp(10px, 1.4vh, 14px);
  background: rgba(255, 255, 255, 0.78);
}

.gen-result-head h3 {
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
}

.gen-result-head p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.gen-status {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 12px;
  background: rgba(20, 184, 166, 0.12);
  color: #0f766e;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.gen-single-preview {
  position: relative;
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.07);
}

.gen-single-preview .result-image-wrap {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  background: #f1f5f9;
}

.gen-single-preview .result-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.gen-single-preview .result-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  border-radius: 999px;
  padding: 3px 8px;
  background: rgba(15, 23, 42, 0.55);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.gen-single-preview .result-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 2;
}

.gen-single-preview:hover .result-actions {
  opacity: 1;
  transform: translateY(0);
}

.gen-single-preview .result-action-btn {
  display: flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: #334155;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.1);
  transition: background 0.15s ease, color 0.15s ease;
}

.gen-single-preview .result-action-btn:hover {
  background: #14b8a6;
  color: #ffffff;
}

.gen-single-preview .result-meta {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 9px 12px 10px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent);
  color: #ffffff;
  z-index: 2;
}

.gen-single-preview .result-meta strong {
  display: block;
  overflow: hidden;
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gen-single-preview .result-meta span {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 11px;
  font-weight: 700;
}

.gen-multi-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 4px;
}

.gen-multi-preview .result-image-wrap {
  position: relative;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 14px;
  overflow: hidden;
  background: #f1f5f9;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gen-multi-preview .result-image-wrap:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.1);
}

.gen-multi-preview .result-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  cursor: pointer;
}

.gen-multi-preview .result-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  border-radius: 999px;
  padding: 2px 7px;
  background: rgba(15, 23, 42, 0.55);
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.gen-multi-preview .result-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 2;
}

.gen-multi-preview .result-image-wrap:hover .result-actions {
  opacity: 1;
  transform: translateY(0);
}

.gen-multi-preview .result-action-btn {
  display: flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.9);
  color: #334155;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.1);
  transition: background 0.15s ease, color 0.15s ease;
}

.gen-multi-preview .result-action-btn:hover {
  background: #14b8a6;
  color: #ffffff;
}

.gen-grid {
  display: grid;
  flex: 1 1 auto;
  min-height: 0;
  gap: clamp(10px, 1.4vw, 14px);
  overflow-y: auto;
  padding-right: 4px;
}

.gen-grid-large {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(0, 1fr);
}

.gen-grid-small {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(180px, 1fr);
}

.result-card {
  position: relative;
  display: flex;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.07);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.result-card:hover {
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  transform: translateY(-2px);
}

.result-image-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  background: #f1f5f9;
}

.result-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.result-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  border-radius: 999px;
  padding: 3px 8px;
  background: rgba(15, 23, 42, 0.55);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  backdrop-filter: blur(4px);
}

.result-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.result-card:hover .result-actions {
  opacity: 1;
  transform: translateY(0);
}

.result-action-btn {
  display: flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: #334155;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.1);
  transition: background 0.15s ease, color 0.15s ease;
}

.result-action-btn:hover {
  background: #14b8a6;
  color: #ffffff;
}

.result-meta {
  flex: 0 0 auto;
  padding: 9px 10px 10px;
}

.result-meta strong {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-meta span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.reference-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(241, 245, 249, 0.92);
  transition: background 0.15s ease;
}

.reference-item:hover {
  background: rgba(226, 232, 240, 0.92);
}

.reference-thumb {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.reference-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: #475569;
  font-size: 12px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reference-remove {
  display: flex;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 6px;
  background: transparent;
  color: #94a3b8;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  transition: background 0.15s ease, color 0.15s ease;
}

.reference-remove:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.reference-upload-hover {
  border-color: #14b8a6 !important;
  background: linear-gradient(135deg, rgba(204, 251, 241, 0.6), rgba(240, 253, 250, 0.4)) !important;
}

.history-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: #94a3b8;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  opacity: 0;
  transition: background 0.15s ease, color 0.15s ease, opacity 0.2s ease;
  z-index: 2;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.1);
}

.history-card:hover .history-delete {
  opacity: 1;
}

.history-delete:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.history-info {
  min-width: 0;
  flex: 0 0 auto;
  padding: 10px 12px 12px;
}

.history-info h3 {
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-info p {
  margin-top: 4px;
  color: #475569;
  font-size: 12px;
}

.history-info span {
  display: block;
  margin-top: 6px;
  color: #94a3b8;
  font-size: 11px;
  font-weight: 600;
}

.history-clear-btn {
  border-radius: 8px;
  padding: 6px 14px;
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
  font-size: 12px;
  font-weight: 700;
  transition: background 0.15s ease;
  white-space: nowrap;
}

.history-clear-btn:hover {
  background: rgba(239, 68, 68, 0.15);
}

.history-head {
  flex-wrap: wrap;
  gap: 8px 16px;
}

@media (max-width: 760px) {
  .history-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .history-clear-btn {
    align-self: flex-start;
  }

  .history-list {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-overlay.lightbox-active {
  opacity: 1;
}

.lightbox-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.lightbox-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.lightbox-overlay.lightbox-active .lightbox-image {
  transform: scale(1);
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 24px;
  font-weight: 400;
  backdrop-filter: blur(8px);
  transition: background 0.15s ease;
  z-index: 10;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-download {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #14b8a6;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(20, 184, 166, 0.4);
  transition: background 0.15s ease, transform 0.15s ease;
  z-index: 10;
}

.lightbox-download:hover {
  background: #0d9488;
  transform: scale(1.05);
}

[data-theme="dark"] {
  color-scheme: dark;
  --accent: #2dd4bf;
  --accent-strong: #14b8a6;
  --accent-soft: rgba(45, 212, 191, 0.15);
  --ink: #e2e8f0;
  --muted: #94a3b8;
  --line: rgba(71, 85, 105, 0.5);
  --panel: rgba(30, 41, 59, 0.9);
  --panel-strong: rgba(30, 41, 59, 0.98);
  --shadow: 0 22px 55px rgba(0, 0, 0, 0.3);
  background: #0f172a;
}

[data-theme="dark"] body {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 44%, #0f172a 100%);
}

[data-theme="dark"] ::selection {
  color: #ccfbf1;
  background: rgba(45, 212, 191, 0.25);
}

[data-theme="dark"] *:hover::-webkit-scrollbar-thumb {
  background: rgba(71, 85, 105, 0.5);
}

[data-theme="dark"] *:hover::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

[data-theme="dark"] #app::before {
  background-image:
    radial-gradient(circle at 18% 16%, rgba(45, 212, 191, 0.08) 0 18%, transparent 42%),
    radial-gradient(circle at 84% 8%, rgba(56, 189, 248, 0.06) 0 16%, transparent 40%),
    linear-gradient(120deg, rgba(20, 184, 166, 0.03), transparent 42%, rgba(245, 158, 11, 0.03));
}

[data-theme="dark"] .image-shell {
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.94), rgba(15, 23, 42, 0.88));
}

[data-theme="dark"] .image-tabs {
  border-bottom-color: rgba(51, 65, 85, 0.68);
  background: rgba(30, 41, 59, 0.58);
}

[data-theme="dark"] .image-tab {
  color: #94a3b8;
}

[data-theme="dark"] .image-tab:hover {
  color: #e2e8f0;
}

[data-theme="dark"] .image-tab-active {
  border-color: #2dd4bf;
  color: #2dd4bf;
}

[data-theme="dark"] .image-controls {
  border-color: rgba(51, 65, 85, 0.75);
  background:
    linear-gradient(180deg, rgba(30, 41, 59, 0.92), rgba(15, 23, 42, 0.76)),
    radial-gradient(circle at top left, rgba(45, 212, 191, 0.05), transparent 42%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .input-label {
  color: #cbd5e1;
}

[data-theme="dark"] .image-muted,
[data-theme="dark"] .image-active-value,
[data-theme="dark"] .char-count {
  color: #94a3b8;
}

[data-theme="dark"] .select-trigger {
  border-color: #334155;
  background: #1e293b;
  color: #e2e8f0;
}

[data-theme="dark"] .select-trigger:hover {
  border-color: #475569;
}

[data-theme="dark"] .select-trigger:focus {
  border-color: #2dd4bf;
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.3);
}

[data-theme="dark"] .select-icon {
  color: #64748b;
}

[data-theme="dark"] .input {
  border-color: rgba(51, 65, 85, 0.9);
  background: var(--panel-strong);
  color: var(--ink);
}

[data-theme="dark"] .input::placeholder {
  color: #64748b;
}

[data-theme="dark"] .input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.2);
}

[data-theme="dark"] .resolution-tier {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(51, 65, 85, 0.6);
}

[data-theme="dark"] .tier-btn {
  color: #94a3b8;
}

[data-theme="dark"] .tier-btn:hover {
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .tier-btn-active {
  background: #1e293b;
  color: #2dd4bf;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .ratio-card {
  border-color: #334155;
  background: #1e293b;
  color: #94a3b8;
}

[data-theme="dark"] .ratio-card-active {
  border-color: #2dd4bf;
  background: rgba(45, 212, 191, 0.1);
  color: #2dd4bf;
}

[data-theme="dark"] .ratio-shape {
  border-color: #475569;
}

[data-theme="dark"] .ratio-shape-auto {
  border-color: #475569;
}

[data-theme="dark"] .ratio-card-active .ratio-shape {
  border-color: #2dd4bf;
}

[data-theme="dark"] .ratio-card-active .ratio-shape-auto {
  border-color: #2dd4bf;
}

[data-theme="dark"] .prompt-chip {
  border-color: #334155;
  background: rgba(30, 41, 59, 0.6);
  color: #94a3b8;
}

[data-theme="dark"] .prompt-chip:hover {
  border-color: #2dd4bf;
  color: #e2e8f0;
}

[data-theme="dark"] .advanced-panel {
  border-color: rgba(51, 65, 85, 0.78);
  background: rgba(30, 41, 59, 0.78);
}

[data-theme="dark"] .advanced-panel[open] {
  border-color: rgba(45, 212, 191, 0.3);
  background: #1e293b;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .advanced-panel summary {
  color: #cbd5e1;
}

[data-theme="dark"] .cost-card {
  border-color: rgba(45, 212, 191, 0.15);
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.86));
}

[data-theme="dark"] .cost-label {
  color: #2dd4bf;
}

[data-theme="dark"] .cost-hint {
  color: #64748b;
}

[data-theme="dark"] .btn-primary {
  background: linear-gradient(to right, #2dd4bf, #14b8a6);
  box-shadow: 0 4px 6px -1px rgba(45, 212, 191, 0.2), 0 2px 4px -2px rgba(45, 212, 191, 0.2);
}

[data-theme="dark"] .btn-primary:hover:not(:disabled) {
  background: linear-gradient(to right, #14b8a6, #0d9488);
  box-shadow: 0 10px 15px -3px rgba(45, 212, 191, 0.25), 0 4px 6px -4px rgba(45, 212, 191, 0.25);
}

[data-theme="dark"] .image-submit {
  background: linear-gradient(to right, #2dd4bf, #14b8a6);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .image-canvas {
  border-color: rgba(51, 65, 85, 0.72);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%) 0 0 / 22px 22px,
    linear-gradient(135deg, transparent 75%, rgba(255, 255, 255, 0.02) 75%) 0 0 / 22px 22px,
    radial-gradient(circle at 50% 44%, rgba(45, 212, 191, 0.06), transparent 34%),
    rgba(15, 23, 42, 0.72);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .image-empty {
  border-color: rgba(51, 65, 85, 0.82);
  background: rgba(30, 41, 59, 0.72);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .image-empty-icon {
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.15), rgba(30, 41, 59, 0.8));
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .mock-results,
[data-theme="dark"] .gen-results {
  color: var(--ink);
}

[data-theme="dark"] .mock-result-head,
[data-theme="dark"] .gen-result-head {
  border-color: rgba(51, 65, 85, 0.82);
  background: rgba(30, 41, 59, 0.78);
}

[data-theme="dark"] .mock-status,
[data-theme="dark"] .gen-status {
  background: rgba(45, 212, 191, 0.12);
  color: #2dd4bf;
}

[data-theme="dark"] .mock-card,
[data-theme="dark"] .history-card,
[data-theme="dark"] .result-card {
  border-color: rgba(51, 65, 85, 0.82);
  background: rgba(30, 41, 59, 0.82);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .mock-card:hover,
[data-theme="dark"] .history-card:hover,
[data-theme="dark"] .result-card:hover {
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .mock-meta span,
[data-theme="dark"] .history-card span {
  color: #64748b;
}

[data-theme="dark"] .reference-upload {
  border-color: rgba(45, 212, 191, 0.4);
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.72), rgba(15, 23, 42, 0.5));
  color: #94a3b8;
}

[data-theme="dark"] .reference-upload:hover {
  border-color: #2dd4bf;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.1), rgba(30, 41, 59, 0.4));
  color: #2dd4bf;
}

[data-theme="dark"] .mock-reference-list span {
  background: rgba(51, 65, 85, 0.92);
  color: #94a3b8;
}

[data-theme="dark"] .history-empty {
  border-color: rgba(51, 65, 85, 0.85);
  background: rgba(15, 23, 42, 0.72);
}

[data-theme="dark"] .history-card p {
  color: #94a3b8;
}

[data-theme="dark"] .history-head h2 {
  color: #e2e8f0;
}

[data-theme="dark"] .gen-loading-text {
  color: #cbd5e1;
}

[data-theme="dark"] .gen-loading-hint {
  color: #64748b;
}

[data-theme="dark"] .gen-spinner {
  border-color: rgba(45, 212, 191, 0.2);
  border-top-color: #2dd4bf;
}

[data-theme="dark"] .gen-single-preview {
  border-color: rgba(51, 65, 85, 0.82);
  background: rgba(30, 41, 59, 0.82);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .gen-single-preview .result-image-wrap,
[data-theme="dark"] .result-image-wrap {
  background: #1e293b;
}

[data-theme="dark"] .gen-multi-preview .result-image-wrap {
  border-color: rgba(51, 65, 85, 0.82);
  background: #1e293b;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] .gen-multi-preview .result-image-wrap:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

[data-theme="dark"] .gen-single-preview .result-action-btn,
[data-theme="dark"] .gen-multi-preview .result-action-btn,
[data-theme="dark"] .result-action-btn {
  background: rgba(30, 41, 59, 0.9);
  color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .gen-single-preview .result-action-btn:hover,
[data-theme="dark"] .gen-multi-preview .result-action-btn:hover,
[data-theme="dark"] .result-action-btn:hover {
  background: #2dd4bf;
  color: #0f172a;
}

[data-theme="dark"] .reference-item {
  background: rgba(51, 65, 85, 0.92);
}

[data-theme="dark"] .reference-item:hover {
  background: rgba(71, 85, 105, 0.92);
}

[data-theme="dark"] .reference-name {
  color: #94a3b8;
}

[data-theme="dark"] .reference-remove {
  color: #64748b;
}

[data-theme="dark"] .reference-remove:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

[data-theme="dark"] .history-delete {
  background: rgba(30, 41, 59, 0.9);
  color: #64748b;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .history-delete:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

[data-theme="dark"] .history-info p {
  color: #94a3b8;
}

[data-theme="dark"] .history-info span {
  color: #64748b;
}

[data-theme="dark"] .history-clear-btn {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
}

[data-theme="dark"] .history-clear-btn:hover {
  background: rgba(239, 68, 68, 0.18);
}

[data-theme="dark"] .toast {
  background: rgba(30, 41, 59, 0.95);
  color: #e2e8f0;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(51, 65, 85, 0.6);
}

[data-theme="dark"] .toast-success {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.95));
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(45, 212, 191, 0.25);
}

[data-theme="dark"] .toast-error {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.95));
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(239, 68, 68, 0.25);
}

[data-theme="dark"] .toast-warning {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.95));
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(245, 158, 11, 0.25);
}

[data-theme="dark"] .toast-info {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.95));
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(59, 130, 246, 0.25);
}

[data-theme="dark"] .select-menu {
  border-color: #334155;
  background: #1e293b;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .select-option {
  color: #cbd5e1;
}

[data-theme="dark"] .select-option:hover {
  background: #334155;
  color: #e2e8f0;
}

[data-theme="dark"] .select-option-active {
  background: rgba(45, 212, 191, 0.12);
  color: #2dd4bf;
}

[data-theme="dark"] .select-option-active:hover {
  background: rgba(45, 212, 191, 0.2);
}

[data-theme="dark"] .select-open .select-trigger {
  border-color: #2dd4bf;
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.3);
}

[data-theme="dark"] .gen-progress-text {
  color: #94a3b8;
}

[data-theme="dark"] .history-thumb::after {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent 40%);
}

.confirm-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.confirm-overlay.confirm-active {
  opacity: 1;
}

.confirm-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.confirm-dialog {
  position: relative;
  width: 90%;
  max-width: 380px;
  padding: 24px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.2s ease;
}

.confirm-overlay.confirm-active .confirm-dialog {
  transform: scale(1) translateY(0);
}

.confirm-icon {
  display: flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.confirm-title {
  margin: 0 0 8px;
  color: #1e293b;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
}

.confirm-message {
  margin: 0 0 20px;
  color: #64748b;
  font-size: 14px;
  text-align: center;
  line-height: 1.5;
}

.confirm-actions {
  display: flex;
  gap: 10px;
}

.confirm-btn {
  flex: 1;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.confirm-btn:active {
  transform: scale(0.98);
}

.confirm-btn-cancel {
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #64748b;
}

.confirm-btn-cancel:hover {
  background: #f1f5f9;
  color: #334155;
}

.confirm-btn-confirm {
  border: 0;
  background: linear-gradient(to right, #ef4444, #dc2626);
  color: #ffffff;
  box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.25);
}

.confirm-btn-confirm:hover {
  background: linear-gradient(to right, #dc2626, #b91c1c);
  box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .confirm-dialog {
  background: #1e293b;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .confirm-title {
  color: #e2e8f0;
}

[data-theme="dark"] .confirm-message {
  color: #94a3b8;
}

[data-theme="dark"] .confirm-btn-cancel {
  border-color: #334155;
  background: #0f172a;
  color: #94a3b8;
}

[data-theme="dark"] .confirm-btn-cancel:hover {
  background: #334155;
  color: #e2e8f0;
}