/* ── Blog Cover Generator — 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: rgba(14, 20, 33, 0.94);
  --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);
  --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);
  --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: rgba(255, 255, 255, 0.94);
  --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);
  --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);
  --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% - 32px));
}

.app {
  grid-template-columns: minmax(320px, 380px) 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,
.field select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
  transition: border-color .18s ease, background .18s ease;
}

.field input:focus,
.field select:focus {
  border-color: var(--field-border-strong);
  background: var(--field-bg-focus);
}

.scheme-btn {
  width: 38px;
  height: 38px;
  border: 1px solid var(--field-border);
}

.scheme-btn:hover {
  border-color: var(--field-border-strong);
}

.scheme-btn.is-active {
  border-color: var(--field-border-strong);
  box-shadow: 0 0 0 3px rgba(88, 130, 205, 0.12);
}

.scheme-swatch {
  width: 22px;
  height: 22px;
}

.scheme-swatch-accent-blue  { background: #3a66ff; }
.scheme-swatch-accent-violet { background: #6d4aff; }
.scheme-swatch-accent-teal  { background: #12b3a8; }
.scheme-swatch-accent-orange { background: #ff7a45; }

.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;
}

.field input[type="color"] {
  padding: 4px;
  min-height: 50px;
}

.field input[type="range"] {
  padding: 0;
  min-height: 28px;
  accent-color: var(--accent);
}

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

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

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

.btn {
  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(56vh, 640px) + 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(56vh, 640px);
  border: 1px solid rgba(149, 184, 255, 0.16);
  background: #fff;
  box-shadow: var(--preview-canvas-shadow);
}

@media (max-width: 980px) {
  #preview {
    width: min(92vw, 720px);
    height: auto;
    max-height: none;
  }
}