/* =========================================================================
   Tharior Remedai Docs — Design System (VaagaTech Unified Theme)
   Matches www.vaagatech.com visual language
   ========================================================================= */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* -- Design Tokens -------------------------------------------------------- */
:root {
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --c-bg: #FFFFFF;
  --c-bg-soft: #F2F4F7;
  --c-bg-mute: #E8ECF1;
  --c-border: rgba(11, 18, 32, 0.08);
  --c-border-dark: rgba(11, 18, 32, 0.15);

  --c-text-1: #0B1220;
  --c-text-2: #4B5568;
  --c-text-3: #64748B;

  --c-brand: #1D4ED8;
  --c-brand-soft: #EFF6FF;
  --c-brand-text: #1E40AF;
  --c-accent: #3B82F6;
  --c-green: #10B981;
  --c-amber: #F59E0B;
  --c-rose: #EF4444;
  --c-purple: #6366F1;

  --nav-h: 64px;
  --sidebar-w: 270px;
  --toc-w: 220px;
  --content-max: 860px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(11, 18, 32, 0.05);
  --shadow-md: 0 4px 14px rgba(11, 18, 32, 0.08);
  --shadow-lg: 0 10px 25px rgba(11, 18, 32, 0.10);
}

[data-theme="dark"] {
  --c-bg: #10243F;
  --c-bg-soft: #1A3560;
  --c-bg-mute: #23457A;
  --c-border: rgba(255, 255, 255, 0.12);
  --c-border-dark: rgba(255, 255, 255, 0.2);

  --c-text-1: #F2F4F7;
  --c-text-2: #C7D2FE;
  --c-text-3: #94A3B8;

  --c-brand: #3B82F6;
  --c-brand-soft: rgba(59, 130, 246, 0.18);
  --c-brand-text: #93C5FD;
  --c-accent: #60A5FA;
  --c-green: #34D399;
  --c-amber: #FBBF24;
  --c-rose: #FB7185;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
}

/* -- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-text-1);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s, color 0.2s;
}
a { color: var(--c-brand); text-decoration: none; transition: color 0.15s; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* -- Skip link ------------------------------------------------------------ */
.skip-link {
  position: absolute; top: -100px; left: 1rem;
  padding: 0.5rem 1rem; background: var(--c-brand); color: #fff;
  border-radius: var(--radius); z-index: 999;
}
.skip-link:focus { top: 0.5rem; }

/* =========================================================================
   TOP NAV
   ========================================================================= */
.topnav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center;
  padding: 0 1.5rem;
  backdrop-filter: blur(8px);
}
.topnav-inner {
  max-width: 1380px; width: 100%;
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.topnav-brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 1.15rem; font-weight: 700; color: var(--c-text-1);
  text-decoration: none;
}
.topnav-brand img { height: 32px; width: auto; }
.topnav-brand:hover { text-decoration: none; }

.topnav-nav {
  display: flex; align-items: center; gap: 0.4rem;
}
.topnav-link {
  font-size: 0.9rem; font-weight: 500; color: var(--c-text-2);
  padding: 0.45rem 0.8rem; border-radius: var(--radius-sm);
  transition: background 0.12s, color 0.12s;
  text-decoration: none;
}
.topnav-link:hover, .topnav-link.active {
  background: var(--c-bg-mute); color: var(--c-text-1); text-decoration: none;
}
.topnav-link.active {
  font-weight: 600; color: var(--c-brand);
}

.topnav-right {
  display: flex; align-items: center; gap: 0.75rem;
}

.theme-btn {
  background: transparent; border: 1px solid var(--c-border);
  color: var(--c-text-2); width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.15s;
}
.theme-btn:hover { background: var(--c-bg-mute); color: var(--c-text-1); border-color: var(--c-border-dark); }

.topnav-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 0.9rem; font-size: 0.88rem; font-weight: 600;
  border-radius: var(--radius-sm); text-decoration: none; transition: all 0.15s;
}
.topnav-btn--ghost {
  border: 1px solid var(--c-border); color: var(--c-text-1);
}
.topnav-btn--ghost:hover {
  background: var(--c-bg-mute); text-decoration: none;
}
.topnav-btn--primary {
  background: var(--c-brand); color: #fff;
}
.topnav-btn--primary:hover {
  filter: brightness(1.1); text-decoration: none;
}

/* =========================================================================
   LAYOUT — DOCS CONTAINER (Sidebar + Main Content + Right TOC)
   ========================================================================= */
.docs-layout {
  max-width: 1380px; margin: 0 auto;
  display: flex; min-height: calc(100vh - var(--nav-h));
}

.sidebar {
  width: var(--sidebar-w); min-width: var(--sidebar-w);
  border-right: 1px solid var(--c-border);
  padding: 1.8rem 1.2rem 3rem 1.2rem;
  position: sticky; top: var(--nav-h); height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}
.sidebar-section { margin-bottom: 1.6rem; }
.sidebar-title {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--c-text-3); margin-bottom: 0.5rem;
  padding-left: 0.6rem;
}
.sidebar-links { list-style: none; }
.sidebar-item { margin-bottom: 0.2rem; }
.sidebar-link {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.88rem; color: var(--c-text-2); padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm); transition: all 0.12s; text-decoration: none;
}
.sidebar-link:hover {
  background: var(--c-bg-soft); color: var(--c-text-1); text-decoration: none;
}
.sidebar-link.active {
  background: var(--c-brand-soft); color: var(--c-brand); font-weight: 600; text-decoration: none;
}

.main-content {
  flex: 1; min-width: 0; padding: 2.5rem 3rem 5rem 3rem;
  max-width: var(--content-max);
}

.toc-panel {
  width: var(--toc-w); min-width: var(--toc-w);
  padding: 2.5rem 1rem 3rem 1.5rem;
  position: sticky; top: var(--nav-h); height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}
.toc-title {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--c-text-3); margin-bottom: 0.6rem;
}
.toc-links { list-style: none; }
.toc-item { margin-bottom: 0.35rem; }
.toc-link {
  font-size: 0.82rem; color: var(--c-text-2); display: block;
  padding: 0.2rem 0; line-height: 1.4; transition: color 0.12s;
}
.toc-link:hover { color: var(--c-brand); text-decoration: none; }

/* =========================================================================
   TYPOGRAPHY & CONTENT
   ========================================================================= */
h1 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.25; margin-bottom: 1rem; color: var(--c-text-1); }
h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.35; margin-top: 2.4rem; margin-bottom: 0.8rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--c-border); color: var(--c-text-1); }
h3 { font-size: 1.18rem; font-weight: 600; margin-top: 1.8rem; margin-bottom: 0.6rem; color: var(--c-text-1); }
p { margin-bottom: 1.1rem; color: var(--c-text-2); font-size: 0.96rem; }
ul, ol { margin-bottom: 1.2rem; padding-left: 1.4rem; color: var(--c-text-2); font-size: 0.95rem; }
li { margin-bottom: 0.4rem; }

/* -- Badges & Pills ------------------------------------------------------- */
.badge-pill {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.55rem;
  border-radius: 9999px; text-transform: uppercase; letter-spacing: 0.04em;
}
.badge--brand { background: var(--c-brand-soft); color: var(--c-brand); border: 1px solid rgba(79,70,229,0.2); }
.badge--green { background: rgba(16,185,129,0.12); color: var(--c-green); border: 1px solid rgba(16,185,129,0.25); }
.badge--amber { background: rgba(245,158,11,0.12); color: var(--c-amber); border: 1px solid rgba(245,158,11,0.25); }
.badge--purple { background: rgba(139,92,246,0.12); color: var(--c-purple); border: 1px solid rgba(139,92,246,0.25); }
.badge--rose { background: rgba(244,63,94,0.12); color: var(--c-rose); border: 1px solid rgba(244,63,94,0.25); }

/* -- Hero Section (Index Page) -------------------------------------------- */
.hero {
  padding: 4rem 0 3rem 0; text-align: center;
}
.hero-badge { margin-bottom: 1.2rem; }
.hero-title {
  font-size: 3rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1.15;
  margin-bottom: 1.2rem; color: var(--c-text-1);
}
.hero-title-grad {
  background: linear-gradient(135deg, #4F46E5 0%, #0EA5E9 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 1.2rem; color: var(--c-text-2); max-width: 720px;
  margin: 0 auto 2rem auto; line-height: 1.6;
}
.hero-actions {
  display: flex; align-items: center; justify-content: center; gap: 1rem;
}

/* -- Feature Cards Grid --------------------------------------------------- */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem; margin: 2rem 0;
}
.card {
  background: var(--c-bg-soft); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 1.4rem;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
  transform: translateY(-2px); border-color: var(--c-border-dark);
  box-shadow: var(--shadow-md);
}
.card-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--c-brand-soft); color: var(--c-brand);
  display: flex; align-items: center; justify-content: center; margin-bottom: 0.9rem;
}
.card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; color: var(--c-text-1); }
.card-desc { font-size: 0.88rem; color: var(--c-text-2); line-height: 1.55; margin: 0; }

/* -- Callout Alert Boxes -------------------------------------------------- */
.callout {
  padding: 1rem 1.2rem; border-radius: var(--radius);
  margin: 1.4rem 0; border-left: 4px solid;
  font-size: 0.92rem; line-height: 1.6;
}
.callout-title { font-weight: 700; margin-bottom: 0.25rem; display: flex; align-items: center; gap: 0.4rem; }
.callout--tip { background: rgba(16,185,129,0.08); border-color: var(--c-green); color: var(--c-text-1); }
.callout--tip .callout-title { color: var(--c-green); }
.callout--important { background: var(--c-brand-soft); border-color: var(--c-brand); color: var(--c-text-1); }
.callout--important .callout-title { color: var(--c-brand); }
.callout--warning { background: rgba(245,158,11,0.08); border-color: var(--c-amber); color: var(--c-text-1); }
.callout--warning .callout-title { color: var(--c-amber); }
.callout--caution { background: rgba(244,63,94,0.08); border-color: var(--c-rose); color: var(--c-text-1); }
.callout--caution .callout-title { color: var(--c-rose); }

/* -- Code Snippets & Syntax ----------------------------------------------- */
code {
  font-family: var(--font-mono); font-size: 0.88em;
  background: var(--c-bg-mute); color: var(--c-brand);
  padding: 0.15em 0.4em; border-radius: 4px; border: 1px solid var(--c-border);
}
pre {
  background: #0B1120; color: #E2E8F0;
  border-radius: var(--radius); padding: 1.2rem 1.4rem;
  overflow-x: auto; margin: 1.2rem 0; border: 1px solid #1E293B;
  font-family: var(--font-mono); font-size: 0.88rem; line-height: 1.6;
  position: relative;
}
pre code {
  background: transparent; color: inherit; padding: 0; border: none; font-size: inherit;
}
.code-header {
  display: flex; align-items: center; justify-content: space-between;
  background: #060913; padding: 0.5rem 1rem; border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius); border-bottom: 1px solid #1E293B;
  font-size: 0.75rem; color: #94A3B8; font-family: var(--font-mono);
}
.code-box {
  margin: 1.4rem 0; border-radius: var(--radius); overflow: hidden;
  border: 1px solid #1E293B;
}
.code-box pre { margin: 0; border-radius: 0; border: none; }
.copy-btn {
  background: #1E293B; color: #E2E8F0; border: none;
  font-size: 0.72rem; padding: 0.25rem 0.55rem; border-radius: 4px;
  cursor: pointer; transition: background 0.12s;
}
.copy-btn:hover { background: #334155; }

/* -- Tables --------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
table {
  width: 100%; border-collapse: collapse; text-align: left;
  font-size: 0.88rem;
}
th {
  background: var(--c-bg-mute); color: var(--c-text-1); font-weight: 600;
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--c-border);
}
td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--c-border);
  color: var(--c-text-2);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--c-bg-soft); }

/* -- Tier Matrix Table Specifics ------------------------------------------ */
.tier-num { font-weight: 800; font-family: var(--font-mono); color: var(--c-brand); }
.tier-cost { font-weight: 600; font-family: var(--font-mono); color: var(--c-green); }

/* -- Footer --------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--c-border); padding: 3rem 1.5rem;
  background: var(--c-bg-soft); margin-top: auto;
}
.footer-inner {
  max-width: 1380px; margin: 0 auto; display: flex;
  align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-text { font-size: 0.86rem; color: var(--c-text-3); }

/* -- Responsive Mobile ---------------------------------------------------- */
@media (max-width: 1080px) {
  .toc-panel { display: none; }
  .main-content { max-width: 100%; padding: 2rem 1.5rem; }
}
@media (max-width: 768px) {
  .docs-layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; border-right: none; border-bottom: 1px solid var(--c-border); padding: 1rem; }
  .hero-title { font-size: 2.2rem; }
  .topnav-nav { display: none; }
}