/* ══════════════════════════════════════════════════════════
   Support Center — aligned to the Ngris dashboard design system.
   Surfaces = slate (matches dashboard.css --bg/--card-bg/--border);
   accent = blue #2567ff (--accent-primary), NOT green.
   All colors via --sp-* custom properties.
   ══════════════════════════════════════════════════════════ */

/* ── Theme Variables ── */
/* FLAT #0e1219 is the ONLY theme (matches the dashboard + ticket app): one
   base color, surfaces separated by border only. Brand = blue #2567ff with
   brand-on-dark #6690ff for text. Every sp- component reads these vars. */
:root[data-theme="dark"], :root {
  --sp-bg: #0e1219;                         /* flat base — everywhere */
  --sp-bg-elevated: rgba(255,255,255,0.035);
  --sp-bg-card: rgba(255,255,255,0.028);     /* subtle glass card surface */
  --sp-bg-hover: rgba(255,255,255,0.06);
  --sp-bg-input: rgba(0,0,0,0.35);
  --sp-border: rgba(255,255,255,0.09);
  --sp-border-hover: rgba(255,255,255,0.18);
  --sp-text: #ffffff;
  --sp-text-secondary: rgba(255,255,255,0.62);
  --sp-text-muted: rgba(255,255,255,0.44);
  --sp-accent: #2567ff;                      /* brand blue — fills/buttons */
  --sp-accent-dim: rgba(37,103,255,0.14);
  --sp-accent-hover: #4d84ff;
  --sp-link: #6690ff;                        /* brand-on-dark — links/icons (#2567ff is invisible on black) */
  --sp-cyan: #00f0ff;                        /* Neural cyan */
  --sp-purple: #b026ff;
  --sp-amber: #ffaa00;
  --sp-emerald: #00ff88;
  --sp-red: #fb7185;
  --sp-code-bg: rgba(255,255,255,0.045);
  --sp-glow: 0 18px 60px rgba(0,0,0,0.55);
  --sp-glow-brand: 0 0 40px rgba(37,103,255,0.25);
  --sp-radius: 12px;
  --sp-radius-lg: 18px;
  --sp-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --sp-font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --sp-glass: rgba(14,18,25,0.72);           /* frosted sticky nav on #0e1219 */
  --sp-shadow: 0 20px 60px rgba(0,0,0,0.55);
  --sp-shadow-sm: 0 4px 18px rgba(0,0,0,0.45);
}

/* ── Animations ── */
@keyframes sp-fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes sp-cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes sp-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
@keyframes sp-slideDown {
  from { opacity: 0; max-height: 0; }
  to   { opacity: 1; max-height: 500px; }
}
@keyframes sp-stagger {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sp-fade-in {
  animation: sp-fadeIn 0.4s ease-out both;
}

/* ── Base Overrides ── */
.sp-body {
  background: var(--sp-bg) !important;
  color: var(--sp-text) !important;
  font-family: var(--sp-font) !important;
  min-height: 100vh;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Main Content ── */
.sp-main-content {
  padding-top: 64px;
  min-height: 100vh;
}

/* ── Header ── */
.sp-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: var(--sp-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sp-border);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04), 0 6px 20px rgba(0,0,0,0.4);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background 0.3s, border-color 0.3s;
}

.sp-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sp-logo {
  text-decoration: none;
  font-size: 20px;
  font-weight: 700;
  color: var(--sp-text);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sp-logo-dot {
  width: 8px; height: 8px;
  background: var(--sp-accent);
  border-radius: 50%;
  animation: sp-cursorBlink 1.5s infinite;
  box-shadow: 0 0 8px var(--sp-accent);
}
.sp-logo-sep {
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--sp-text-muted);
  text-transform: uppercase;
}

.sp-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
}
.sp-nav-link {
  color: var(--sp-text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s;
  position: relative;
}
.sp-nav-link:hover {
  color: var(--sp-text);
  background: var(--sp-bg-hover);
}
.sp-nav-link::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 12px; right: 12px;
  height: 2px;
  background: var(--sp-accent);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform 0.2s;
}
.sp-nav-link:hover::after {
  transform: scaleX(1);
}

.sp-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme Toggle */
.sp-theme-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  color: var(--sp-text-secondary);
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s;
}
.sp-theme-toggle:hover {
  border-color: var(--sp-border-hover);
  color: var(--sp-accent);
  background: var(--sp-bg-hover);
}

/* Mobile Menu */
.sp-mobile-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  color: var(--sp-text-secondary);
  cursor: pointer;
  font-size: 18px;
}
.sp-mobile-nav {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  /* Opaque elevated panel: a 0.05 white tint over the solid page so scrolled
     content can't bleed through (the resting --sp-bg-elevated is translucent). */
  background: rgba(255,255,255,0.05);
  background-color: var(--sp-bg);
  border-bottom: 1px solid var(--sp-border);
  box-shadow: var(--sp-shadow);
  padding: 16px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
  animation: sp-fadeIn 0.2s ease-out;
}
.sp-mobile-nav.open { display: flex; }
.sp-mobile-nav .sp-nav-link {
  padding: 10px 12px;
  font-size: 15px;
}
.sp-mobile-nav .sp-nav-link::after { display: none; }

@media (max-width: 768px) {
  .sp-nav { display: none; }
  .sp-mobile-toggle { display: flex; }
}

/* ── Buttons ── */
.sp-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sp-font);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--sp-radius);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  line-height: 1.5;
}
.sp-btn-primary {
  background: var(--sp-accent);
  color: var(--sp-bg);
}
.sp-btn-primary:hover {
  background: var(--sp-accent-hover);
  box-shadow: 0 0 24px var(--sp-accent-dim);
  transform: translateY(-1px);
}
.sp-btn-secondary {
  background: transparent;
  border: 1px solid var(--sp-accent);
  color: var(--sp-accent);
}
.sp-btn-secondary:hover {
  background: var(--sp-accent-dim);
}
.sp-btn-ghost {
  background: transparent;
  border: 1px solid var(--sp-border);
  color: var(--sp-text-secondary);
}
.sp-btn-ghost:hover {
  border-color: var(--sp-border-hover);
  color: var(--sp-text);
  background: var(--sp-bg-hover);
}

/* ── Cards ── */
.sp-card {
  background: var(--sp-bg-card);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-lg);
  transition: all 0.25s;
}
.sp-card:hover {
  border-color: var(--sp-border-hover);
}
.sp-card-interactive:hover {
  border-color: var(--sp-accent);
  box-shadow: 0 0 20px var(--sp-accent-dim);
  transform: translateY(-2px);
}

/* ── Forms ── */
.sp-input,
.sp-textarea,
.sp-select {
  width: 100%;
  background: var(--sp-bg-input);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  padding: 10px 14px;
  color: var(--sp-text);
  font-size: 14px;
  font-family: var(--sp-font);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}
.sp-input::placeholder,
.sp-textarea::placeholder { color: var(--sp-text-muted); }
.sp-input:focus,
.sp-textarea:focus,
.sp-select:focus {
  border-color: var(--sp-accent);
  box-shadow: 0 0 0 3px var(--sp-accent-dim);
}
.sp-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}
.sp-select {
  cursor: pointer;
  appearance: auto;
}

.sp-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--sp-text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

/* ── Badges ── */

/* Category badges */
.support-badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.support-badge-category-billing  { background: rgba(0,229,255,0.1); color: var(--sp-cyan); }
.support-badge-category-technical { background: rgba(168,85,247,0.1); color: var(--sp-purple); }
.support-badge-category-account  { background: var(--sp-accent-dim); color: var(--sp-accent); }
.support-badge-category-security { background: rgba(245,158,11,0.1); color: var(--sp-amber); }
.support-badge-category-general  { background: rgba(139,139,160,0.1); color: var(--sp-text-secondary); }

/* Priority badges */
.support-badge-priority-low    { background: rgba(139,139,160,0.1); color: var(--sp-text-muted); }
.support-badge-priority-medium { background: rgba(0,229,255,0.1); color: var(--sp-cyan); }
.support-badge-priority-high   { background: rgba(245,158,11,0.1); color: var(--sp-amber); }
.support-badge-priority-urgent { background: rgba(239,68,68,0.1); color: var(--sp-red); }

/* Status badges */
.support-badge-status-open         { background: var(--sp-accent-dim); color: var(--sp-accent); }
.support-badge-status-in_progress  { background: rgba(168,85,247,0.1); color: var(--sp-purple); }
.support-badge-status-waiting_user { background: rgba(245,158,11,0.1); color: var(--sp-amber); }
.support-badge-status-resolved     { background: rgba(139,139,160,0.1); color: var(--sp-text-secondary); }
.support-badge-status-closed       { background: rgba(90,90,112,0.06); color: var(--sp-text-muted); }

/* ── FAQ Accordion ── */
.faq-item {
  background: var(--sp-bg-card);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: var(--sp-border-hover); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--sp-text);
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--sp-font);
  transition: color 0.2s;
}
.faq-question:hover { color: var(--sp-accent); }
.faq-question i {
  font-size: 10px;
  color: var(--sp-text-muted);
  transition: transform 0.25s;
}
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  display: none;
  padding: 0 16px 14px;
  color: var(--sp-text-secondary);
  font-size: 13px;
  line-height: 1.7;
}
.faq-item.open .faq-answer { display: block; }
.faq-answer code {
  background: var(--sp-accent-dim);
  color: var(--sp-accent);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--sp-font-mono);
}

/* ── Footer ── */
.sp-footer {
  border-top: 1px solid var(--sp-border);
  padding: 32px 0;
  margin-top: 80px;
  transition: border-color 0.3s;
}
.sp-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: var(--sp-text-muted);
}
.sp-footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.sp-footer-link {
  color: var(--sp-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.sp-footer-link:hover { color: var(--sp-text-secondary); }

/* ── Mono text utility ── */
.sp-mono { font-family: var(--sp-font-mono); }

/* ── Stagger animation for lists ── */
.sp-stagger > * {
  animation: sp-stagger 0.3s ease-out both;
}
.sp-stagger > *:nth-child(1) { animation-delay: 0.05s; }
.sp-stagger > *:nth-child(2) { animation-delay: 0.1s; }
.sp-stagger > *:nth-child(3) { animation-delay: 0.15s; }
.sp-stagger > *:nth-child(4) { animation-delay: 0.2s; }
.sp-stagger > *:nth-child(5) { animation-delay: 0.25s; }
.sp-stagger > *:nth-child(6) { animation-delay: 0.3s; }
.sp-stagger > *:nth-child(7) { animation-delay: 0.35s; }
.sp-stagger > *:nth-child(8) { animation-delay: 0.4s; }
.sp-stagger > *:nth-child(n+9) { animation-delay: 0.45s; }

/* ── Error / Alert Boxes ── */
.sp-alert-error {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--sp-red);
  border-radius: var(--sp-radius);
  padding: 10px 14px;
  font-size: 14px;
  margin-bottom: 20px;
}
.sp-alert-info {
  background: var(--sp-accent-dim);
  border: 1px solid var(--sp-accent-dim);
  border-radius: var(--sp-radius);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--sp-text-secondary);
}
.sp-alert-info a { color: var(--sp-accent); }

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .sp-stagger > *, .sp-card, .kb-topic-card, .kb-card { animation: none !important; transition: none !important; }
}

/* ── Icon Color Utility Classes ── */
.sp-icon-cyan { color: var(--sp-cyan); }
.sp-icon-purple { color: var(--sp-purple); }
.sp-icon-accent { color: var(--sp-accent); }
.sp-icon-amber { color: var(--sp-amber); }
.sp-icon-muted { color: var(--sp-text-muted); }

/* ── Code Copy Button Mobile (L11) ── */
@media (max-width: 640px) {
  .kb-code-copy {
    padding: 8px 14px;
    font-size: 12px;
  }
}

/* ── Popular Tags Visually Distinct (L14) ── */
.kb-popular-tag {
  font-size: 12px;
  font-weight: 400;
  opacity: 0.85;
}
.kb-popular-tag:hover {
  opacity: 1;
}

/* ── KB Search Results on Mobile (M25) ── */
@media (max-width: 640px) {
  .kb-sr-item-snippet {
    -webkit-line-clamp: 4;
  }
}

/* ── TOC responsive width at 1024px (M27) ── */
@media (max-width: 1024px) and (min-width: 769px) {
  .kb-art-body {
    grid-template-columns: 180px 1fr;
  }
}

/* ── Breadcrumb section indicator (M32) ── */
.sp-breadcrumb-indicator {
  max-width: 1280px;
  margin: 68px auto 0;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--sp-text-muted);
  font-weight: 500;
}
.sp-breadcrumb-indicator a {
  color: var(--sp-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.sp-breadcrumb-indicator a:hover {
  color: var(--sp-accent);
}
.sp-breadcrumb-indicator .sp-bc-sep {
  font-size: 9px;
  opacity: 0.5;
}
.sp-breadcrumb-indicator .sp-bc-current {
  color: var(--sp-text-secondary);
}

/* ── Character Counter (M29) ── */
.sp-char-count {
  font-size: 12px;
  color: var(--sp-text-muted);
  text-align: right;
  margin-top: 4px;
  font-family: var(--sp-font-mono);
}

/* ── Submit Spinner (H25) ── */
.sp-btn-loading {
  pointer-events: none;
  opacity: 0.7;
}
.sp-btn-loading .sp-spinner {
  display: inline-block;
}
.sp-spinner {
  display: none;
}
@keyframes sp-spin {
  to { transform: rotate(360deg); }
}
.sp-spinner i {
  animation: sp-spin 0.8s linear infinite;
}

/* ============================================================================
   BRAND LAYER — ngris-frontend "Neural" aesthetic for the public support site.
   Loaded after the base component styles so it refines the shell (header, footer,
   buttons) + adds glass/glow polish. Colours all flow from the retinted --sp-*
   tokens above, so pages that only use sp- classes match automatically.
   ============================================================================ */

html.sp-root { scroll-behavior: smooth; }
.sp-body {
  background: var(--sp-bg);
  color: var(--sp-text);
  font-family: var(--sp-font);
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* Ambient neural backdrop — soft brand/cyan glows bleeding up from the base. */
.sp-aurora {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60rem 40rem at 15% -10%, rgba(37,103,255,0.18), transparent 60%),
    radial-gradient(50rem 36rem at 90% 0%, rgba(0,240,255,0.10), transparent 55%),
    radial-gradient(70rem 50rem at 50% 120%, rgba(176,38,255,0.10), transparent 60%);
}
.sp-header, .sp-main-content, .sp-footer, .sp-breadcrumb-indicator { position: relative; z-index: 1; }

/* ---- Header (frosted sticky glass) ---- */
.sp-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--sp-glass);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--sp-border);
}
.sp-header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.sp-header-left { display: flex; align-items: center; gap: 30px; }
.sp-header-right { display: flex; align-items: center; gap: 12px; }

.sp-logo { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--sp-text); font-weight: 700; }
.sp-logo-mark {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  color: #fff; font-size: 15px;
  background: linear-gradient(135deg, #5b86ff, #2567ff 60%, #1d4ed8);
  box-shadow: 0 6px 18px rgba(37,103,255,0.4);
}
.sp-logo-text { font-size: 17px; letter-spacing: -0.01em; }
.sp-logo-sub { color: var(--sp-link); font-weight: 600; }

.sp-nav { display: flex; align-items: center; gap: 4px; }
.sp-nav-link {
  color: var(--sp-text-secondary); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 8px 12px; border-radius: 8px; transition: color .18s, background .18s;
}
.sp-nav-link:hover { color: var(--sp-text); background: var(--sp-bg-hover); }
.sp-nav-ext { color: var(--sp-text-muted); font-size: 13px; }
.sp-nav-ext i { font-size: 10px; margin-left: 2px; opacity: .8; }
.sp-nav-accent { color: var(--sp-link) !important; font-weight: 600; }

/* ---- Buttons ---- */
.sp-btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  font-weight: 600; font-size: 14px; line-height: 1; text-decoration: none;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent; cursor: pointer;
  transition: transform .15s var(--sp-ease, ease), box-shadow .2s, background .2s, border-color .2s, color .2s;
}
.sp-btn-sm { padding: 8px 14px; font-size: 13px; }
.sp-btn-primary {
  color: #fff; background: linear-gradient(135deg, #2567ff, #1d4ed8);
  box-shadow: 0 8px 22px rgba(37,103,255,0.35);
}
.sp-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 30px rgba(37,103,255,0.5); }
.sp-btn-ghost { color: var(--sp-text); background: rgba(255,255,255,0.04); border-color: var(--sp-border); }
.sp-btn-ghost:hover { border-color: var(--sp-border-hover); background: rgba(255,255,255,0.08); }
.sp-btn-secondary { color: var(--sp-text); background: rgba(255,255,255,0.04); border-color: var(--sp-border); }
.sp-btn-secondary:hover { border-color: var(--sp-border-hover); }

/* ---- Mobile ---- */
.sp-mobile-toggle {
  display: none; background: transparent; border: 1px solid var(--sp-border); color: var(--sp-text);
  width: 38px; height: 38px; border-radius: 9px; cursor: pointer; font-size: 15px;
}
.sp-mobile-nav {
  display: none; flex-direction: column; gap: 2px; padding: 12px 16px 18px;
  background: var(--sp-glass); backdrop-filter: blur(16px); border-bottom: 1px solid var(--sp-border);
  position: sticky; top: 68px; z-index: 45;
}
.sp-mobile-nav.open { display: flex; }
.sp-mobile-nav .sp-nav-link { padding: 11px 12px; font-size: 15px; }
@media (max-width: 860px) {
  .sp-nav, .sp-nav-ext { display: none; }
  .sp-mobile-toggle { display: inline-flex; align-items: center; justify-content: center; }
}

/* ---- Breadcrumb ---- */
.sp-breadcrumb-indicator {
  max-width: 1200px; margin: 0 auto; padding: 14px 24px 0;
  display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--sp-text-muted);
}
.sp-breadcrumb-indicator a { color: var(--sp-link); text-decoration: none; }
.sp-breadcrumb-indicator a:hover { text-decoration: underline; }
.sp-bc-sep { opacity: .4; font-size: 10px; }
.sp-bc-current { color: var(--sp-text-secondary); }

/* ---- Content shell ---- */
.sp-main-content { max-width: 1080px; margin: 0 auto; padding: 56px 24px 96px; min-height: 60vh; }

/* ---- Footer (brand multi-column) ---- */
.sp-footer { border-top: 1px solid var(--sp-border); background: linear-gradient(180deg, transparent, rgba(255,255,255,0.015)); margin-top: 40px; }
.sp-footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 64px 24px 40px;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
}
.sp-footer-brand .sp-logo { margin-bottom: 14px; }
.sp-footer-tag { color: var(--sp-text-muted); font-size: 13.5px; line-height: 1.6; max-width: 30ch; margin: 0 0 18px; }
.sp-footer-social { display: flex; gap: 14px; }
.sp-footer-social a { color: var(--sp-text-muted); font-size: 18px; transition: color .18s; }
.sp-footer-social a:hover { color: var(--sp-link); }
.sp-footer-col h3 { color: var(--sp-text); font-size: 13px; font-weight: 600; margin: 0 0 16px; }
.sp-footer-col a { display: block; color: var(--sp-text-muted); text-decoration: none; font-size: 13.5px; padding: 5px 0; transition: color .18s; }
.sp-footer-col a:hover { color: var(--sp-link); }
.sp-footer-bottom {
  max-width: 1200px; margin: 0 auto; padding: 22px 24px 40px;
  border-top: 1px solid var(--sp-border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--sp-text-muted); font-size: 13px;
}
.sp-footer-back { color: var(--sp-link); text-decoration: none; }
.sp-footer-back:hover { text-decoration: underline; }
@media (max-width: 760px) {
  .sp-footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .sp-footer-brand { grid-column: 1 / -1; }
}

/* ---- Hero refinement (gradient headline, matches home.css: ink → brand blue) ---- */
.sp-hero h1 {
  background: linear-gradient(120deg, var(--sp-text) 25%, #2567ff 75%, #1d4ed8);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.sp-hero-terminal { color: var(--sp-accent-hover) !important; }

/* ---- New shell bits (light home shell in base.html) ---- */
.sp-logo-suffix {
  font-style: normal; font-weight: 600; font-size: 14px; letter-spacing: -0.2px;
  color: var(--sp-text-muted); margin-left: 3px; padding-left: 9px;
  border-left: 1px solid var(--sp-border);
}
.sp-mobile-drawer {
  display: flex; flex-direction: column; gap: 2px;
  margin: 0 16px 10px; padding: 8px; border-radius: 14px;
  background: #fff; border: 1px solid var(--sp-border); box-shadow: var(--sp-shadow);
}
.sp-mobile-drawer[hidden] { display: none; }
.sp-mobile-drawer a {
  padding: 11px 12px; border-radius: 9px; text-decoration: none;
  color: var(--sp-text-secondary); font-weight: 500; font-size: 15px;
}
.sp-mobile-drawer a:hover { background: var(--sp-bg-hover); color: var(--sp-text); }
.sp-breadcrumb-indicator {
  max-width: 1160px; margin: 0 auto; padding: 16px 24px 0;
  display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--sp-text-muted);
}
.sp-breadcrumb-indicator a { color: var(--sp-link); text-decoration: none; }
.sp-breadcrumb-indicator a:hover { text-decoration: underline; }
.sp-bc-sep { opacity: .5; }
.sp-bc-current { color: var(--sp-text-secondary); }

/* ---- Card / surface glass + glow-on-hover (cat cards, kb cards, faq, etc.) ---- */
.sp-cat-card, .sp-kb-card, .sp-faq-item, .sp-card {
  background: var(--sp-bg-card);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-lg);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: transform .2s, border-color .2s, box-shadow .2s, background .2s;
}
.sp-cat-card:hover, .sp-kb-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--card-color, var(--sp-link)) 55%, var(--sp-border));
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 0 1px color-mix(in srgb, var(--card-color, var(--sp-link)) 30%, transparent);
  background: var(--sp-bg-hover);
}

/* ---- Search field (hero) ---- */
.sp-search input, input, textarea, select {
  background: var(--sp-bg-input); border: 1px solid var(--sp-border); color: var(--sp-text);
  border-radius: 12px;
}
.sp-search input:focus, input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--sp-link); box-shadow: 0 0 0 3px var(--sp-accent-dim);
}
::placeholder { color: var(--sp-text-muted); }