:root {
  --bg: #f5f3ee;
  --surface: #ffffff;
  --surface-soft: #eef5f3;
  --surface-warm: #fff7ee;
  --text: #20282b;
  --muted: #647176;
  --line: #dfe5e2;
  --accent: #126a59;
  --accent-dark: #0e4d42;
  --accent-soft: #dceee9;
  --gold: #b7782e;
  --shadow: 0 18px 50px rgba(31, 42, 46, 0.08);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(18, 106, 89, 0.1), transparent 34%),
    linear-gradient(315deg, rgba(183, 120, 46, 0.1), transparent 30%),
    var(--bg);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0;
}

.app-header {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

h2 {
  font-size: 20px;
}

h3 {
  font-size: 15px;
}

.subtitle {
  max-width: 800px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(420px, 1.04fr);
  gap: 20px;
  align-items: start;
}

.control-panel,
.result-panel,
.negative-panel,
.prompt-card {
  border: 1px solid rgba(223, 229, 226, 0.92);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.control-panel {
  padding: 22px;
  position: sticky;
  top: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span,
legend {
  color: #344246;
  font-size: 14px;
  font-weight: 800;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

select,
input {
  min-height: 44px;
  padding: 0 12px;
}

select[multiple] {
  min-height: 132px;
  padding: 8px;
}

select:focus,
input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(18, 106, 89, 0.13);
}

.ratio-panel {
  margin: 20px 0 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.size-note {
  margin: 8px 0 14px;
  color: #687779;
  font-size: 13px;
  line-height: 1.7;
}

.ratio-section-title {
  margin: 0 0 8px;
  color: #526164;
  font-size: 13px;
  font-weight: 800;
}

.ratio-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 16px;
}

.ratio-option {
  position: relative;
  display: block;
}

.ratio-option input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.ratio-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #344246;
  font-weight: 800;
  cursor: pointer;
  transition: 0.16s ease;
}

.ratio-option input:checked + span {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.custom-size {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.full {
  margin-top: 4px;
}

.actions,
.prompt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.actions {
  margin-top: 20px;
}

button {
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #283236;
  background: #fff;
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: #b8c5c1;
  background: #f9fbfa;
}

button.primary {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

button.primary:hover {
  background: var(--accent-dark);
}

.result-panel,
.negative-panel {
  padding: 20px;
}

.panel-title,
.prompt-card-header,
.prompt-block-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.panel-title {
  margin-bottom: 14px;
}

.status {
  min-width: 120px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-align: right;
}

.batch-info {
  margin-bottom: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #3a474b;
  background: var(--surface-warm);
  font-size: 14px;
  font-weight: 800;
  white-space: pre-line;
}

.prompt-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.prompt-card {
  padding: 16px;
  box-shadow: none;
}

.prompt-card-header {
  margin-bottom: 14px;
}

.prompt-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.prompt-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: #fff;
  background: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.prompt-stack,
.negative-grid {
  display: grid;
  gap: 14px;
}

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

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

.prompt-block,
.negative-block {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 10px;
}

.prompt-block-title {
  min-height: 42px;
}

.prompt-block-title button {
  min-height: 36px;
  padding: 0 12px;
  font-size: 13px;
}

.prompt-textarea,
textarea {
  min-height: 250px;
  resize: vertical;
  padding: 14px;
  line-height: 1.76;
  font-size: 14px;
}

.prompt-textarea {
  width: 100%;
  min-height: 260px;
  overflow: hidden;
  line-height: 1.7;
}

.prompt-actions-bottom {
  margin-top: 14px;
}

.negative-panel {
  margin-top: 20px;
}

.negative-panel textarea {
  min-height: 150px;
  background: #fffaf2;
}

.share-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.info-block p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.version {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  color: #8a9698;
  font-size: 13px;
  font-weight: 800;
  text-align: right;
}

@media (max-width: 1060px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: static;
  }
}

@media (max-width: 780px) {
  .negative-grid,
  .share-info {
    grid-template-columns: 1fr;
  }

  .version {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .app {
    width: min(100% - 20px, 1240px);
    padding: 24px 0;
  }

  .panel-title,
  .prompt-card-header,
  .prompt-block-title,
  .actions {
    align-items: stretch;
  }

  .panel-title,
  .prompt-card-header,
  .prompt-block-title {
    flex-direction: column;
  }

  .form-grid,
  .custom-size {
    grid-template-columns: 1fr;
  }

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

  button {
    width: 100%;
  }

  .status {
    min-width: 0;
    text-align: left;
  }
}