/* SouqRouter — shared design tokens & primitives */
/* Brand colors below are fallbacks; Settings → Branding overrides via #sqr-brand-vars */

:root {
  --sqr-primary: #0f766e;
  --sqr-primary-light: #14b8a6;
  --sqr-primary-dark: #0d5f58;
  /* True darker brand shade — never remapped for dark-mode text contrast */
  --sqr-primary-deep: #0d5f58;
  --sqr-primary-glow: rgba(15, 118, 110, 0.22);
  --sqr-primary-soft: rgba(15, 118, 110, 0.08);
  --sqr-accent: #14b8a6;
  --sqr-accent-glow: rgba(20, 184, 166, 0.18);
  --sqr-bg: #ffffff;
  --sqr-page-bg: #f8fafc;
  --sqr-muted-bg: #f8fafc;
  --sqr-surface: #ffffff;
  --sqr-card: #ffffff;
  --sqr-border: #e2e8f0;
  --sqr-text: #0f172a;
  --sqr-muted: #64748b;
  --sqr-danger: #dc2626;
  --sqr-success: #059669;
  --sqr-code-bg: #0b1120;
  --sqr-terminal-bg: #0b1120;
  --sqr-terminal-border: #1e293b;
  --sqr-terminal-text: #e2e8f0;
  --sqr-terminal-muted: #94a3b8;
  --sqr-terminal-tab-active: #38bdf8;
  --sqr-terminal-radius: 14px;
  --sqr-radius: 16px;
  --sqr-radius-sm: 12px;
  --sqr-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --sqr-shadow-hover: 0 24px 60px rgba(15, 118, 110, 0.16);
  --sqr-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --sqr-font: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --sqr-font-display: "Sora", var(--sqr-font);
  --sqr-danger-bg: #fef2f2;
  --sqr-danger-text: #991b1b;
  --sqr-danger-border: #fecaca;
  --sqr-success-bg: #ecfdf5;
  --sqr-success-text: #065f46;
  --sqr-success-border: #a7f3d0;
  --sqr-input-bg: #ffffff;
  --sqr-table-stripe: #f8fafc;
  --sqr-overlay: rgba(15, 23, 42, 0.45);
  --sqr-warn-bg: #fffbeb;
  --sqr-warn-text: #92400e;
  --sqr-warn-border: #fcd34d;
  --sqr-warn-title: #78350f;
  --sqr-warn-muted: #a16207;
  /* Toggle / switch controls — visible off-state in light & dark */
  --sqr-toggle-track: #94a3b8;
  --sqr-toggle-track-border: #64748b;
  --sqr-toggle-thumb: #ffffff;
  --sqr-toggle-thumb-shadow: 0 2px 6px rgba(15, 23, 42, 0.28);
  --sqr-toggle-on: linear-gradient(135deg, var(--sqr-primary-light), var(--sqr-primary));
  --sqr-toggle-on-border: color-mix(in srgb, var(--sqr-primary) 65%, #0f172a);
  --sqr-toggle-focus: color-mix(in srgb, var(--sqr-primary) 35%, transparent);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --sqr-bg: #0b1220;
  --sqr-page-bg: #0b1220;
  --sqr-muted-bg: #111827;
  --sqr-surface: #151c2c;
  --sqr-card: #151c2c;
  --sqr-border: #2a3548;
  --sqr-text: #e2e8f0;
  --sqr-muted: #94a3b8;
  /* Soft/glow fall back to brand primary; BrandingService overrides with settings */
  --sqr-primary-soft: color-mix(in srgb, var(--sqr-primary) 16%, transparent);
  --sqr-primary-glow: color-mix(in srgb, var(--sqr-primary) 32%, transparent);
  /* Keep --sqr-primary-deep from :root / brand-vars (true dark shade for gradients) */
  /* Light ink for text on soft primary surfaces (not for gradients) */
  --sqr-primary-dark: var(--sqr-primary-light);
  --sqr-accent-glow: color-mix(in srgb, var(--sqr-accent) 22%, transparent);
  --sqr-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --sqr-shadow-hover: 0 24px 60px color-mix(in srgb, var(--sqr-primary) 20%, transparent);
  --sqr-danger-bg: rgba(220, 38, 38, 0.16);
  --sqr-danger-text: #fca5a5;
  --sqr-danger-border: rgba(248, 113, 113, 0.35);
  --sqr-success-bg: rgba(5, 150, 105, 0.16);
  --sqr-success-text: #6ee7b7;
  --sqr-success-border: rgba(52, 211, 153, 0.35);
  /* Keep inputs close to card surface — avoid black pits on light cards if theme partially loads */
  --sqr-input-bg: #1a2336;
  --sqr-table-stripe: #111827;
  --sqr-overlay: rgba(2, 6, 23, 0.62);
  --sqr-warn-bg: rgba(245, 158, 11, 0.14);
  --sqr-warn-text: #fcd34d;
  --sqr-warn-border: rgba(251, 191, 36, 0.4);
  --sqr-warn-title: #fde68a;
  --sqr-warn-muted: #fbbf24;
  /* High-contrast off track vs dark surfaces (#0b1220 / #151c2c) */
  --sqr-toggle-track: #64748b;
  --sqr-toggle-track-border: #94a3b8;
  --sqr-toggle-thumb: #f8fafc;
  --sqr-toggle-thumb-shadow: 0 2px 8px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(148, 163, 184, 0.35);
  /* Active keeps site brand primary (same as light) */
  --sqr-toggle-on: linear-gradient(135deg, var(--sqr-primary-light), var(--sqr-primary));
  --sqr-toggle-on-border: color-mix(in srgb, var(--sqr-primary) 70%, #0f172a);
  --sqr-toggle-focus: color-mix(in srgb, var(--sqr-primary) 40%, transparent);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

.sqr-muted {
  color: var(--sqr-muted);
}

.sqr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--sqr-border);
  background: var(--sqr-surface);
  color: var(--sqr-text);
  border-radius: var(--sqr-radius-sm);
  padding: 12px 18px;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.sqr-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

:root[data-theme="dark"] .sqr-btn:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
}

.sqr-btn-primary {
  background: linear-gradient(135deg, var(--sqr-primary-light), var(--sqr-primary));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 14px 28px var(--sqr-primary-glow);
}

.sqr-btn-primary:hover {
  box-shadow: 0 18px 34px var(--sqr-primary-glow);
}

.sqr-btn-block {
  display: flex;
  width: 100%;
}

.sqr-alert {
  padding: 12px 14px;
  border-radius: var(--sqr-radius-sm);
  margin-bottom: 16px;
  font-size: 0.92rem;
  border: 1px solid transparent;
}

.sqr-alert-error {
  background: var(--sqr-danger-bg);
  color: var(--sqr-danger-text);
  border-color: var(--sqr-danger-border);
}

.sqr-alert-success {
  background: var(--sqr-success-bg);
  color: var(--sqr-success-text);
  border-color: var(--sqr-success-border);
}

.sqr-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--sqr-text);
}

.sqr-brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sqr-primary-light), var(--sqr-primary-dark));
  box-shadow: 0 10px 24px var(--sqr-primary-glow);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  font-family: var(--sqr-font-display);
  flex-shrink: 0;
}

.sqr-brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  background: transparent;
}

.sqr-brand-logo-theme {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
}

.sqr-brand-logo-theme .sqr-brand-logo {
  position: absolute;
  inset: 0;
}

.sqr-brand-logo-theme .sqr-brand-logo--dark {
  display: none;
}

html[data-theme="dark"] .sqr-brand-logo-theme .sqr-brand-logo--light {
  display: none;
}

html[data-theme="dark"] .sqr-brand-logo-theme .sqr-brand-logo--dark {
  display: block;
}


.sqr-brand-logo-wrap {
  display: inline-flex;
  flex-shrink: 0;
}

.sqr-brand-logo-plate {
  background: var(--sqr-surface);
}

.sqr-brand strong {
  display: block;
  font-size: 1.05rem;
  font-family: var(--sqr-font-display);
  letter-spacing: -0.02em;
}

.sqr-brand span {
  color: var(--sqr-muted);
  font-size: 0.82rem;
}

.sqr-page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, var(--sqr-primary-soft), transparent 34%),
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--sqr-accent) 10%, transparent), transparent 30%),
    linear-gradient(180deg, var(--sqr-page-bg), var(--sqr-bg) 55%);
}

/* Theme toggle */
.sqr-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--sqr-border);
  border-radius: 12px;
  background: var(--sqr-surface);
  color: var(--sqr-text);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.06);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.sqr-theme-toggle:hover {
  border-color: color-mix(in srgb, var(--sqr-primary) 35%, var(--sqr-border));
  box-shadow: 0 10px 22px var(--sqr-primary-glow);
}

.sqr-theme-toggle:focus-visible {
  outline: 2px solid var(--sqr-primary);
  outline-offset: 2px;
}

.sqr-theme-toggle__icon {
  display: none;
  line-height: 0;
}

html[data-theme-pref="light"] .sqr-theme-toggle__icon--sun,
html:not([data-theme-pref]) .sqr-theme-toggle__icon--system,
html[data-theme-pref="system"] .sqr-theme-toggle__icon--system,
html[data-theme-pref="dark"] .sqr-theme-toggle__icon--moon {
  display: inline-flex;
}

.sqr-theme-toggle__text {
  line-height: 1;
}

.sqr-theme-toggle-wrap {
  margin-inline-start: auto;
}

.sqr-theme-toggle--login {
  position: fixed;
  top: 16px;
  inset-inline-end: 16px;
  z-index: 50;
}

/* Unified back navigation */
.sqr-back-row {
  margin: 0 0 18px;
}

.sqr-back-row--center {
  display: flex;
  justify-content: center;
  margin-top: 16px;
  margin-bottom: 0;
}

.sqr-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--sqr-border) 80%, var(--sqr-primary) 20%);
  background: color-mix(in srgb, var(--sqr-surface) 88%, var(--sqr-primary) 12%);
  color: var(--sqr-text);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.sqr-back-link:visited {
  color: var(--sqr-text);
}

.sqr-back-link:hover {
  border-color: color-mix(in srgb, var(--sqr-primary) 40%, var(--sqr-border));
  background: color-mix(in srgb, var(--sqr-primary) 14%, var(--sqr-surface));
  color: var(--sqr-primary-dark);
  transform: translateX(-2px);
  box-shadow: 0 8px 18px var(--sqr-primary-glow);
}

.sqr-back-link:focus-visible {
  outline: 2px solid var(--sqr-primary);
  outline-offset: 2px;
}

.sqr-back-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--sqr-primary-soft);
  color: var(--sqr-primary);
  flex-shrink: 0;
}

.sqr-back-link-icon svg {
  display: block;
}

.sqr-form-actions .sqr-back-link,
.sqr-actions .sqr-back-link,
.sqr-inline-form .sqr-back-link {
  align-self: center;
}

html[dir="rtl"] .sqr-back-link:hover {
  transform: translateX(2px);
}

html[dir="rtl"] .sqr-back-link-icon {
  transform: scaleX(-1);
}

html[data-theme="dark"] .sqr-back-link {
  background: color-mix(in srgb, var(--sqr-surface) 70%, var(--sqr-primary) 18%);
  border-color: color-mix(in srgb, var(--sqr-border) 55%, var(--sqr-primary) 45%);
  color: var(--sqr-text);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28);
}

html[data-theme="dark"] .sqr-back-link:visited {
  color: var(--sqr-text);
}

html[data-theme="dark"] .sqr-back-link:hover {
  background: color-mix(in srgb, var(--sqr-primary) 22%, var(--sqr-surface));
  border-color: var(--sqr-primary-light);
  color: var(--sqr-primary-dark);
}

.sqr-page-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.45;
}

.sqr-page-bg-orb--1 {
  width: 360px;
  height: 360px;
  top: -100px;
  left: -80px;
  background: radial-gradient(circle, var(--sqr-primary-glow), transparent 70%);
}

.sqr-page-bg-orb--2 {
  width: 300px;
  height: 300px;
  bottom: 10%;
  right: -60px;
  background: radial-gradient(circle, color-mix(in srgb, var(--sqr-accent) 18%, transparent), transparent 70%);
}

/* Shared code terminal (home + docs) */
.sqr-terminal {
  border: 1px solid var(--sqr-terminal-border);
  border-radius: var(--sqr-terminal-radius);
  overflow: hidden;
  background: var(--sqr-terminal-bg);
  box-shadow: 0 22px 48px rgba(2, 6, 23, 0.28);
}

.sqr-terminal__header {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 8px 12px;
  background: var(--sqr-terminal-bg);
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}

.sqr-terminal__dots {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.sqr-terminal__dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.sqr-terminal__dots span:nth-child(1) { background: #ff5f57; }
.sqr-terminal__dots span:nth-child(2) { background: #febc2e; }
.sqr-terminal__dots span:nth-child(3) { background: #28c840; }

.sqr-terminal__tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.sqr-terminal__tabs::-webkit-scrollbar {
  display: none;
}

.sqr-terminal__tabs button {
  border: none;
  background: transparent;
  color: var(--sqr-terminal-muted);
  padding: 7px 12px;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.sqr-terminal__tabs button:hover {
  color: #cbd5e1;
}

.sqr-terminal__tabs button.is-active {
  color: var(--sqr-terminal-text);
  border-bottom-color: var(--sqr-terminal-tab-active);
}

.sqr-terminal__label {
  flex: 1;
  color: var(--sqr-terminal-muted);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sqr-terminal__copy {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(30, 41, 59, 0.72);
  color: #cbd5e1;
  border-radius: 8px;
  padding: 6px 11px;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.sqr-terminal__copy:hover,
.sqr-terminal__copy.is-copied {
  color: #6ee7b7;
  border-color: rgba(110, 231, 183, 0.35);
  background: var(--sqr-primary-glow);
}

.sqr-terminal__body {
  background: var(--sqr-terminal-bg);
}

.sqr-terminal__panel,
.sqr-terminal--snippet .sqr-terminal__body > pre {
  margin: 0;
  padding: 14px 16px 16px;
  overflow-x: auto;
  color: #dbe7f3;
  font-size: 0.8125rem;
  line-height: 1.7;
  scrollbar-width: thin;
  scrollbar-color: rgba(100, 116, 139, 0.55) transparent;
}

.sqr-terminal__panel {
  display: none;
}

.sqr-terminal__panel.is-active,
.sqr-terminal--snippet .sqr-terminal__body > pre {
  display: block;
}

.sqr-terminal__panel[hidden] {
  display: none !important;
}

.sqr-terminal__panel::-webkit-scrollbar,
.sqr-terminal--snippet .sqr-terminal__body > pre::-webkit-scrollbar {
  height: 5px;
}

.sqr-terminal__panel::-webkit-scrollbar-track,
.sqr-terminal--snippet .sqr-terminal__body > pre::-webkit-scrollbar-track {
  background: transparent;
  margin: 0 10px 6px;
}

.sqr-terminal__panel::-webkit-scrollbar-thumb,
.sqr-terminal--snippet .sqr-terminal__body > pre::-webkit-scrollbar-thumb {
  background: rgba(100, 116, 139, 0.5);
  border-radius: 999px;
}

.sqr-terminal__panel code,
.sqr-terminal--snippet .sqr-terminal__body pre code {
  display: block;
  background: transparent;
  color: inherit;
  padding: 0;
  white-space: pre;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: inherit;
}

.sqr-terminal--snippet .sqr-terminal__header {
  padding-left: 14px;
}

.sqr-terminal--snippet .sqr-terminal__dots {
  display: none;
}