/* Unified site styles with light/dark themes and good contrast */

:root {
  --brand-font: var(--injected-brand-font, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif);
  --brand-primary: var(--injected-brand-primary, #0A84FF);
  --brand-primary-dark: var(--injected-brand-primary-dark, #0060DF);
  --brand-accent: var(--injected-brand-accent, #FF9500);
  --brand-text-light: var(--injected-brand-text-light, #FFFFFF);
  --brand-text-dark: var(--injected-brand-text-dark, #111111);
  --brand-bg: var(--injected-brand-bg-light, #FFFFFF);
  --brand-bg-light: var(--injected-brand-bg-light, #f8f9fa);
  --brand-bg-dark: var(--injected-brand-bg-dark, #0b0b0b);
  --focus-ring-light: var(--injected-brand-focus-ring-light, rgba(10,132,255,0.15));
  --focus-ring-dark: var(--injected-brand-focus-ring-dark, rgba(10,132,255,0.25));
  --hairline: rgba(0,0,0,0.10);
  --hairline-strong: rgba(0,0,0,0.16);
  --hairline-w: 1.25px;
  --hairline-strong-w: 1.5px;
  --ease-smooth: cubic-bezier(.22, .61, .36, 1);
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --nav-padding-y: 14px;
  --nav-padding-x: 24px;
  --btn-padding-y: 10px;
  --btn-padding-x: 16px;
  --control-padding-y: 10px;
  --control-padding-x: 12px;
  --control-min-h: 38px;
  --logo-size: 40px;
  --font-size-body: 15px;
  --font-size-h1: 24px;
  --font-size-h2: 20px;
  --font-size-h3: 18px;
  --brand-gradient-start: var(--injected-brand-gradient-start, #0A84FF);
  --brand-gradient-end: var(--injected-brand-gradient-end, #7BD6FF);
  --brand-focus: var(--injected-brand-focus-ring-light, #0040A6);
  --brand-disabled-bg: var(--injected-brand-disabled-bg-light, #F0F1F3);
  --brand-disabled-text: var(--injected-brand-disabled-text-light, #9AA0A6);
  --brand-disabled-border: var(--injected-brand-disabled-border-light, #E0E3E7);
  --press-dur: var(--injected-brand-press-duration, 80ms);
  --release-dur: var(--injected-brand-release-duration, 180ms);
  --ease-press: var(--injected-brand-ease-press, cubic-bezier(0.2, 0.0, 0.2, 1));
  --ease-release: var(--injected-brand-ease-release, cubic-bezier(0.2, 0.0, 0.2, 1));
  --press-scale: var(--injected-brand-press-scale, 0.98);
  --press-translate-y: var(--injected-brand-press-translate-y, 0px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand-bg: var(--injected-brand-bg-dark, #0F1115);
    --brand-focus: var(--injected-brand-focus-ring-dark, #7BD6FF);
    --brand-disabled-bg: var(--injected-brand-disabled-bg-dark, #2A2D34);
    --brand-disabled-text: var(--injected-brand-disabled-text-dark, #8A9099);
    --brand-disabled-border: var(--injected-brand-disabled-border-dark, #3A3F46);
    --hairline: rgba(255,255,255,0.14);
    --hairline-strong: rgba(255,255,255,0.22);
  }
}

html, body {
  background: var(--brand-bg);
  font-family: var(--brand-font);
  color: var(--brand-text-dark);
  font-size: var(--font-size-body);
}

@media (prefers-color-scheme: dark) {
  html, body { color: var(--brand-text-light); }
}

.btn-primary { background: var(--brand-primary); border-color: var(--brand-primary-dark); border-radius: var(--radius-md) !important; box-shadow: none !important; }
.btn-primary:hover, .btn-primary:active { background: var(--brand-primary-dark); border-color: var(--brand-primary-dark); }
.btn:active { transform: scale(var(--press-scale)) translateY(var(--press-translate-y)); transition: transform var(--press-dur) var(--ease-press); }
.btn { transition: transform var(--release-dur) var(--ease-release); }
.btn, .btn-outline-primary, .btn-outline-secondary, .btn-secondary, .btn-light { border-radius: var(--radius-md) !important; box-shadow: none !important; }
.btn-outline-primary { color: var(--brand-primary); border-color: var(--brand-primary); }
.btn-outline-primary:hover { color: var(--brand-text-light); background: var(--brand-primary); border-color: var(--brand-primary); }

.input-200 { width: 200px; }

/* Navigation sizing and contrast */
.apple-nav { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--brand-bg) 92%, transparent); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); }
.apple-nav .nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: var(--nav-padding-y) var(--nav-padding-x); }
.apple-nav .brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.apple-nav .brand-logo { width: var(--logo-size) !important; height: var(--logo-size) !important; object-fit: contain; }
.apple-nav .brand-name { font-weight: 600; letter-spacing: 0.2px; }
.apple-nav .nav-actions { display: flex; align-items: center; gap: 16px; }
.apple-nav .nav-link { color: inherit; text-decoration: none; padding: 8px 10px; border-radius: 8px; }
.apple-nav .nav-link.active, .apple-nav .nav-link:hover { background: color-mix(in srgb, currentColor 10%, transparent); }
.apple-nav .nav-github { font-size: 18px; color: inherit; }

.badge-default { background: var(--brand-accent); color: #111; }

.site-footer { border-top: var(--hairline-w) solid var(--hairline); background: color-mix(in srgb, var(--brand-bg) 96%, transparent); padding: 20px 0; margin-top: 40px; }

/* Cards: flat, minimal */
.card { background: color-mix(in srgb, var(--brand-bg) 98%, #fff 2%); border: var(--hairline-w) solid var(--hairline) !important; border-radius: var(--radius-lg) !important; box-shadow: none !important; }
.card-header { background: color-mix(in srgb, var(--brand-bg) 98%, #fff 2%); border-bottom: var(--hairline-w) solid var(--hairline) !important; border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important; }

/* Flat inputs */
.form-control, .form-select { border-radius: var(--radius-md) !important; border: var(--hairline-strong-w) solid var(--hairline-strong) !important; background: color-mix(in srgb, var(--brand-bg) 98%, #fff 2%); box-shadow: none !important; padding: var(--control-padding-y) var(--control-padding-x); min-height: var(--control-min-h); }
.form-control:focus, .form-select:focus { border-color: var(--brand-primary) !important; box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-primary) 18%, transparent) !important; }

/* Links */
a { color: var(--brand-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Alerts and badges */
.alert { border-radius: var(--radius-md) !important; border: var(--hairline-strong-w) solid var(--hairline-strong) !important; box-shadow: none !important; }
.badge { border-radius: var(--radius-sm) !important; }

/* Typography scale */
h1, .h1 { font-size: var(--font-size-h1); }
h2, .h2 { font-size: var(--font-size-h2); }
h3, .h3 { font-size: var(--font-size-h3); }

/* Explicit scheme overrides via data-theme attribute */
:root[data-theme='light'] {
  --brand-bg: var(--brand-bg-light);
  --brand-focus: var(--focus-ring-light);
  --hairline: rgba(0,0,0,0.12);
  --hairline-strong: rgba(0,0,0,0.18);
}
:root[data-theme='dark'] {
  --brand-bg: var(--brand-bg-dark);
  --brand-focus: var(--focus-ring-dark);
  --hairline: rgba(255,255,255,0.18);
  --hairline-strong: rgba(255,255,255,0.26);
}

/* Mobile responsive nav */
.apple-nav .nav-toggle { display: none; width: 36px; height: 36px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.08); background: rgba(255,255,255,0.8); cursor: pointer; align-items: center; justify-content: center; }
.apple-nav .nav-toggle:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.apple-nav .nav-toggle span { width: 18px; height: 2px; background: #333; display: block; position: relative; transition: all .2s ease; }
.apple-nav .nav-toggle span::before, .apple-nav .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: #333; transition: all .2s ease; }
.apple-nav .nav-toggle span::before { top: -6px; }
.apple-nav .nav-toggle span::after { top: 6px; }
.apple-nav .nav-toggle.active span { background: transparent; }
.apple-nav .nav-toggle.active span::before { transform: rotate(45deg); top: 0; }
.apple-nav .nav-toggle.active span::after { transform: rotate(-45deg); top: 0; }

@media (max-width: 768px){
  .apple-nav .nav-actions {
    position: absolute; top: 56px; right: 12px;
    background: rgba(255,255,255,0.98);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 14px; padding: 10px; flex-direction: column; gap: 8px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.12);
    transform: translateY(-6px) scale(0.98); opacity: 0; visibility: hidden; pointer-events: none;
    transition: transform .18s var(--ease-smooth), opacity .18s var(--ease-smooth), visibility .18s var(--ease-smooth);
  }
  .apple-nav .nav-actions.open { transform: translateY(0) scale(1); opacity: 1; visibility: visible; pointer-events: auto; }
  .apple-nav .nav-toggle { display: inline-flex; }
}

/* Apple-like buttons/forms micro-interactions */
.btn { border-radius: 12px; box-shadow: 0 1px 1px rgba(0,0,0,0.04); transition: box-shadow var(--release-duration) var(--ease-release), transform var(--press-duration) var(--ease-press), background-color var(--release-duration) var(--ease-release), border-color var(--release-duration) var(--ease-release); }
.btn:hover { box-shadow: 0 6px 16px rgba(0,0,0,0.10); }
.btn:active { transform: translateY(1px) scale(0.99); box-shadow: 0 1px 1px rgba(0,0,0,0.06); }
.form-control, .form-select { border-radius: 10px; box-shadow: inset 0 1px 2px rgba(0,0,0,0.04); transition: box-shadow .2s ease, border-color .2s ease; }
.form-control:focus, .form-select:focus { box-shadow: 0 0 0 6px var(--brand-focus); border-color: rgba(10,132,255,0.6); }

/* Primary-toned buttons */
.btn-primary { background-color: var(--brand-primary); border-color: var(--brand-primary); }
.btn-primary:hover { filter: brightness(0.96); }
.btn-primary:active { filter: brightness(0.92); }

/* Disabled states */
.btn:disabled, .btn.disabled { background: var(--disabled-bg-light); color: var(--disabled-text-light); border-color: var(--disabled-border-light); opacity: 1; cursor: not-allowed; box-shadow: none; }
.form-control:disabled, .form-select:disabled { background: var(--disabled-bg-light); color: var(--disabled-text-light); border-color: var(--disabled-border-light); }

/* Dark theme */
:root[data-theme='dark'] { color-scheme: dark; }
:root[data-theme='dark'] body { background: #0b0b0b; color: #f5f5f7; }
:root[data-theme='dark'] .apple-nav { background: rgba(22,22,22,0.6); }
:root[data-theme='dark'] .apple-nav .brand-name { color: var(--brand-text-dark); }
:root[data-theme='dark'] .apple-nav .brand[data-has-dark-logo="1"] .brand-logo { display: none; }
:root[data-theme='dark'] .apple-nav .brand[data-has-dark-logo="1"] .brand-logo.dark { display: inline-block; }
:root[data-theme='dark'] .apple-nav .nav-link { color: #e5e5e7; }
:root[data-theme='dark'] .apple-nav .nav-link.active, :root[data-theme='dark'] .apple-nav .nav-link:hover { background: rgba(255,255,255,0.08); }
:root[data-theme='dark'] .apple-nav .nav-github { color: #fff; }
:root[data-theme='dark'] .site-footer { background: #111; border-top-color: #222; }
:root[data-theme='dark'] .card { background: #111; border-color: #222; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
:root[data-theme='dark'] .form-control, :root[data-theme='dark'] .form-select { background: #0f0f10; color: #f5f5f7; border-color: #2a2a2a; }

/* Better contrast in dark */
:root[data-theme='dark'] .btn-primary { background-color: var(--brand-primary-dark); border-color: var(--brand-primary-dark); }
:root[data-theme='dark'] .btn-primary:hover { filter: brightness(1.05); }
:root[data-theme='dark'] .btn-primary:active { filter: brightness(1.12); }
:root[data-theme='dark'] .form-control:focus, :root[data-theme='dark'] .form-select:focus { box-shadow: 0 0 0 6px var(--focus-ring-dark); border-color: rgba(10,132,255,0.65); }
:root[data-theme='dark'] .btn:disabled, :root[data-theme='dark'] .btn.disabled { background: var(--disabled-bg-dark); color: var(--disabled-text-dark); border-color: var(--disabled-border-dark); }
:root[data-theme='dark'] .form-control:disabled, :root[data-theme='dark'] .form-select:disabled { background: var(--disabled-bg-dark); color: var(--disabled-text-dark); border-color: var(--disabled-border-dark); }

/* Mobile overlay */
.mobile-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.25); opacity: 0; visibility: hidden; transition: opacity .18s var(--ease-smooth), visibility .18s var(--ease-smooth); z-index: 99; }
.mobile-overlay.show { opacity: 1; visibility: visible; }

/* Common layout helpers moved from inline styles */
.toolbar { display: flex; justify-content: space-between; align-items: center; }
.size-row { gap: 12px; }
.result-img { max-width: 100%; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

/* Admin page helpers */
.workflow-item { background: color-mix(in srgb, var(--brand-bg) 98%, #fff 2%); border: var(--hairline-w) solid var(--hairline); border-radius: 10px; padding: 15px; margin-bottom: 15px; transition: box-shadow .18s var(--ease-smooth); }
.workflow-item:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.10); }
.workflow-header { cursor: pointer; padding: 10px; flex-grow: 1; border-radius: 8px; }
.json-viewer { background: color-mix(in srgb, var(--brand-bg) 96%, #fff 4%); border-radius: 8px; padding: 15px; max-height: 300px; overflow-y: auto; margin-top: 10px; }
.upload-area { border: 2px dashed var(--hairline-strong); border-radius: 8px; padding: 20px; text-align: center; cursor: pointer; transition: border-color .18s var(--ease-smooth), background-color .18s var(--ease-smooth); }
.upload-area:hover { border-color: var(--brand-primary); background-color: rgba(10,132,255,0.06); }
.nav-tabs { border-bottom: none; }
.nav-tabs .nav-link { border: none; color: #666; padding: 10px 20px; border-radius: 8px; margin-right: 10px; }
.nav-tabs .nav-link.active { background-color: var(--brand-primary); color: var(--brand-text-light); }