/* ── WeChat / XHS Poster — color tokens & tool-specific overrides ── */
/* Shared layout rules (shell, app, panel, field, scheme-btn, etc.)
   are defined in portal.css under "Tool pages (shared layout)" */

:root {
  --bg: #080d16;
  --panel-2: rgba(10, 15, 26, 0.98);
  --line: rgba(149, 184, 255, 0.14);
  --line-strong: rgba(149, 184, 255, 0.22);
  --text: #edf3ff;
  --muted: #8aa4c8;
  --accent: #7eb3ff;
  --accent-2: #c8deff;
  --surface-card: linear-gradient(160deg, rgba(18, 27, 46, 0.97) 0%, var(--panel-2) 100%);
  --surface-shadow:
    0 32px 80px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  --body-secondary: #aec6e8;
  --label-text: #a8c4e8;
  --field-bg: rgba(7, 12, 22, 0.7);
  --field-bg-focus: rgba(10, 16, 28, 0.9);
  --field-border: rgba(149, 184, 255, 0.16);
  --field-border-strong: rgba(100, 160, 255, 0.5);
  --upload-bg: rgba(60, 110, 220, 0.1);
  --upload-bg-hover: rgba(60, 110, 220, 0.16);
  --upload-border: rgba(100, 160, 255, 0.3);
  --upload-border-hover: rgba(100, 160, 255, 0.5);
  --upload-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  --chip-bg: rgba(10, 18, 31, 0.72);
  --chip-text: #a8c4e8;
  --chip-hover-bg: rgba(40, 70, 140, 0.2);
  --preview-shell-bg:
    radial-gradient(600px 260px at 50% 0%, rgba(80, 140, 255, 0.08), transparent 60%),
    rgba(6, 10, 18, 0.88);
  --preview-shell-border: rgba(100, 160, 255, 0.12);
  --preview-canvas-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  --modal-muted-surface: rgba(9, 14, 24, 0.56);
  --modal-strong-surface: rgba(9, 14, 24, 0.72);
  --primary-btn-text: #e8f0ff;
  --primary-btn-bg: linear-gradient(160deg, #3b6fff 0%, #2255dd 100%);
  --primary-btn-shadow:
    0 8px 24px rgba(50, 100, 240, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  --primary-btn-hover-shadow:
    0 14px 36px rgba(50, 100, 240, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

html[data-theme="light"] {
  --bg: #f2f6fe;
  --panel-2: rgba(247, 251, 255, 0.98);
  --line: rgba(100, 148, 220, 0.18);
  --line-strong: rgba(100, 148, 220, 0.28);
  --text: #162035;
  --muted: #5a7298;
  --accent: #2563eb;
  --accent-2: #3b7ae8;
  --surface-card: linear-gradient(160deg, rgba(255, 255, 255, 0.98) 0%, rgba(245, 250, 255, 0.99) 100%);
  --surface-shadow:
    0 24px 60px rgba(50, 90, 170, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  --body-secondary: #4e6888;
  --label-text: #607890;
  --field-bg: rgba(249, 251, 255, 0.98);
  --field-bg-focus: rgba(255, 255, 255, 0.98);
  --field-border: rgba(100, 148, 220, 0.22);
  --field-border-strong: rgba(60, 110, 210, 0.5);
  --upload-bg: rgba(50, 100, 220, 0.06);
  --upload-bg-hover: rgba(50, 100, 220, 0.1);
  --upload-border: rgba(100, 148, 220, 0.24);
  --upload-border-hover: rgba(60, 110, 210, 0.42);
  --upload-shadow: 0 8px 20px rgba(100, 130, 180, 0.1);
  --chip-bg: rgba(240, 246, 255, 0.92);
  --chip-text: #4e6888;
  --chip-hover-bg: rgba(50, 100, 220, 0.06);
  --preview-shell-bg:
    radial-gradient(600px 260px at 50% 0%, rgba(50, 100, 220, 0.05), transparent 60%),
    rgba(244, 248, 253, 0.98);
  --preview-shell-border: rgba(100, 148, 220, 0.14);
  --preview-canvas-shadow: 0 16px 36px rgba(100, 120, 170, 0.14);
  --modal-muted-surface: rgba(242, 247, 253, 0.96);
  --modal-strong-surface: rgba(248, 251, 255, 0.98);
  --primary-btn-text: #ffffff;
  --primary-btn-bg: linear-gradient(160deg, #2f6af0 0%, #1a52d8 100%);
  --primary-btn-shadow:
    0 8px 22px rgba(30, 90, 220, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  --primary-btn-hover-shadow:
    0 14px 34px rgba(30, 90, 220, 0.44),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

body {
  background:
    radial-gradient(ellipse 1000px 600px at 20% -5%, rgba(50, 100, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 700px 500px at 80% 10%, rgba(80, 200, 160, 0.1), transparent 55%),
    radial-gradient(ellipse 600px 400px at 50% 100%, rgba(30, 70, 180, 0.12), transparent 60%),
    linear-gradient(180deg, #060b14 0%, var(--bg) 100%);
}

html[data-theme="light"] body {
  background:
    radial-gradient(ellipse 1000px 600px at 20% -5%, rgba(60, 110, 240, 0.1), transparent 55%),
    radial-gradient(ellipse 700px 500px at 80% 10%, rgba(60, 180, 130, 0.05), transparent 55%),
    linear-gradient(180deg, #e8f0fd 0%, var(--bg) 100%);
}

/* ── Tool-specific layout ── */

.shell {
  width: min(1180px, calc(100% - 64px));
}

.app {
  grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
}

.panel,
.preview-wrap {
  border: 1px solid var(--line-strong);
  background: var(--surface-card);
  box-shadow: var(--surface-shadow);
}

.panel-path,
.preview-path {
  color: var(--muted);
}

.panel h1 {
  color: var(--text);
}

.panel-desc {
  color: var(--body-secondary);
}

.field label {
  color: var(--label-text);
}

.field input[type="text"],
.field textarea,
.field select,
.pick-btn {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--field-border);
  border-radius: 12px;
  background: var(--field-bg);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
  transition: border-color .18s ease, background .18s ease;
}

.field input[type="text"]:focus,
.field textarea:focus,
.field select:focus,
.pick-btn:focus {
  border-color: var(--field-border-strong);
  background: var(--field-bg-focus);
}

.field textarea {
  resize: vertical;
  min-height: 88px;
}

.field select {
  appearance: none;
}

.scheme-btn {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(149, 184, 255, 0.16);
}

.scheme-btn:hover {
  border-color: rgba(149, 184, 255, 0.34);
  background: var(--chip-hover-bg);
}

.scheme-btn.is-active {
  border-color: rgba(149, 184, 255, 0.56);
  box-shadow: 0 0 0 3px rgba(138, 180, 255, 0.12);
}

html[data-theme="light"] .scheme-btn.is-active {
  border-color: rgba(88, 130, 205, 0.42);
  box-shadow: 0 0 0 3px rgba(88, 130, 205, 0.12);
}

.size-btn {
  width: auto;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--chip-text);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--chip-bg);
}

.scheme-swatch {
  width: 18px;
  height: 18px;
}

.scheme-swatch-cool   { background: linear-gradient(135deg, #4CC9F0 0%, #7B61FF 100%); }
.scheme-swatch-warm   { background: linear-gradient(135deg, #FFB86B 0%, #FF5E7A 100%); }
.scheme-swatch-ocean  { background: linear-gradient(135deg, #38BDF8 0%, #2563EB 100%); }
.scheme-swatch-mono   { background: linear-gradient(135deg, #111827 0%, #4B5563 100%); }
.scheme-swatch-bg-white  { background: #ffffff; }
.scheme-swatch-bg-gray   { background: #eef2f7; }
.scheme-swatch-bg-cream  { background: #f7f0e8; }
.scheme-swatch-bg-dark   { background: #111827; }
.scheme-swatch-bg-sky    { background: #dbeafe; }
.scheme-swatch-bg-gold   { background: #fde68a; }

.scheme-swatch-custom {
  position: relative;
  background: rgba(138, 180, 255, 0.14);
  box-shadow:
    inset 0 0 0 1px rgba(149, 184, 255, 0.18),
    0 0 0 1px rgba(255, 255, 255, 0.04);
}

.scheme-swatch-custom::before,
.scheme-swatch-custom::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: rgba(217, 230, 255, 0.86);
  transform: translate(-50%, -50%);
}

.scheme-swatch-custom::before {
  width: 10px;
  height: 2px;
  border-radius: 999px;
}

.scheme-swatch-custom::after {
  width: 2px;
  height: 10px;
  border-radius: 999px;
}

.scheme-swatch-custom.is-custom-color::before,
.scheme-swatch-custom.is-custom-color::after {
  display: none;
}

.bg-picker-btn.is-active {
  border-color: rgba(149, 184, 255, 0.56);
  box-shadow: 0 0 0 3px rgba(138, 180, 255, 0.12);
}

.row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 8px;
  align-items: center;
}

.field input[type="color"] {
  width: 92px;
  min-width: 92px;
  padding: 4px;
  background: var(--field-bg);
}

.pick-btn {
  width: auto;
  padding-inline: 14px;
  cursor: pointer;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 600;
}

.pick-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.upload-control {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.upload-trigger {
  border: 1px solid var(--upload-border);
  background: var(--upload-bg);
  color: var(--accent-2);
  box-shadow: var(--upload-shadow);
  transition: border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.upload-trigger:hover {
  border-color: var(--upload-border-hover);
  background: var(--upload-bg-hover);
}

.upload-file-name { color: var(--muted); }

.btn {
  appearance: none;
  width: 100%;
  color: var(--primary-btn-text);
  background: var(--primary-btn-bg);
  box-shadow: var(--primary-btn-shadow);
}

.btn:hover {
  box-shadow: var(--primary-btn-hover-shadow);
}

.canvas-shell {
  width: 100%;
  height: calc(min(72vh, 720px) + 48px);
  margin-top: 18px;
  border: 1px solid var(--preview-shell-border);
  background: var(--preview-shell-bg);
}

#preview {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: min(72vh, 720px);
  border: 1px solid rgba(149, 184, 255, 0.16);
  background: #fff;
  box-shadow: var(--preview-canvas-shadow);
}

@media (max-width: 1120px) {
  .app {
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  }
}

@media (max-width: 980px) {
  #preview {
    width: min(92vw, 720px);
    height: min(92vw, 720px);
  }

  .modal-head,
  .modal-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

/* ── Color picker modal ── */

.modal-preview {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid rgba(149, 184, 255, 0.18);
  border-radius: 14px;
  background: var(--modal-muted-surface);
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-preview-swatch {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #ffffff;
}

.modal-preview-value {
  color: var(--accent-2);
  font-size: 16px;
  font-weight: 600;
}

.modal-section {
  margin-top: 18px;
}

.modal-label {
  display: block;
  margin-bottom: 10px;
  color: #cfe0ff;
  font-size: 13px;
}

.modal-scheme-grid {
  gap: 12px;
}

.modal-actions {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.modal-btn {
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid rgba(149, 184, 255, 0.22);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: opacity .15s, transform .15s, box-shadow .15s;
  font-family: inherit;
}

.modal-btn:hover {
  transform: translateY(-1px);
}

.modal-btn:active {
  transform: translateY(0);
}

.modal-btn-secondary {
  background: rgba(149, 184, 255, 0.08);
  color: var(--accent-2);
}

.modal-btn-secondary:hover {
  background: rgba(149, 184, 255, 0.14);
  border-color: rgba(149, 184, 255, 0.4);
}

.modal-btn-primary {
  color: #08101d;
  background: linear-gradient(135deg, #c8ddff 0%, #7eb8ff 100%);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(100, 160, 255, 0.3);
}

.modal-btn-primary:hover {
  box-shadow: 0 6px 20px rgba(100, 160, 255, 0.45);
}

html[data-theme="light"] .modal-btn-secondary {
  background: rgba(80, 130, 220, 0.06);
  color: var(--accent);
  border-color: rgba(80, 130, 220, 0.2);
}

html[data-theme="light"] .modal-btn-secondary:hover {
  background: rgba(80, 130, 220, 0.1);
  border-color: rgba(80, 130, 220, 0.35);
}