/* ──────────────────────────────────────────────
   Lampac NextGen — shared stylesheet
   Used by install.html, config.html, modules.html
   ────────────────────────────────────────────── */

:root {
  --bg: #0a0c10;
  --bg-card: #111827;
  --bg-card-hover: #1a2235;
  --border: #1e2a3a;
  --border-hover: #3b4f6b;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent-grad: linear-gradient(135deg, #6366f1, #8b5cf6);
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --code-bg: #161b22;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.3px;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-links a.active {
  color: var(--text);
  background: rgba(99, 102, 241, 0.12);
}

.btn-nav-gh {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text) !important;
  font-weight: 600 !important;
  padding: 6px 14px !important;
  border-radius: 6px !important;
  transition: border-color var(--transition), background var(--transition) !important;
}

.btn-nav-gh:hover {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-hover) !important;
}

/* ── HAMBURGER ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 12px 16px 16px;
  background: rgba(10, 12, 16, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  padding: 10px 12px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-mobile a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-mobile a.active {
  color: var(--text);
  background: rgba(99, 102, 241, 0.12);
}

.nav-mobile .btn-nav-gh {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  margin-top: 8px;
  font-weight: 600;
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }
}

/* ── PAGE HERO ── */
.page-hero {
  padding: 56px 24px 48px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero .section-inner {
  position: relative;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--text);
}

.breadcrumb-sep {
  color: var(--border-hover);
}

.page-hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #e6edf3 30%, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero-sub {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 560px;
}

/* ── SECTION ── */
section {
  padding: 56px 24px;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #6366f1;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-muted);
  max-width: 560px;
  font-size: 15px;
  margin-bottom: 36px;
}

@media (max-width: 768px) {
  section {
    padding: 40px 20px;
  }

  .page-hero {
    padding: 40px 20px 36px;
  }
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
  cursor: pointer;
}

.btn:hover {
  opacity: .88;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
}

/* ── CARDS ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition), background var(--transition);
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.card p,
.card li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.card ul {
  padding-left: 18px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: grid;
  place-items: center;
  font-size: 18px;
  margin-bottom: 14px;
}

/* ── TABS ── */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px 10px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: #6366f1;
}

.tab-panel {
  display: none;
  padding-top: 20px;
}

.tab-panel.active {
  display: block;
}

/* ── CODE ── */
.code-wrap {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.code-title {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 5px;
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

.copy-btn.copied {
  color: var(--green);
  border-color: var(--green);
}

pre {
  padding: 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.75;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', Consolas, monospace;
  color: #cdd9e5;
  tab-size: 2;
}

.hl-comment {
  color: #6e7681;
}

.hl-cmd {
  color: #79c0ff;
}

.hl-string {
  color: #a5d6ff;
}

.hl-key {
  color: #ff7b72;
}

.hl-val {
  color: #79c0ff;
}

.hl-bool {
  color: #f97316;
}

code {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.18);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 13px;
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  color: #a5b4fc;
}

/* ── TABLE ── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead {
  background: rgba(255, 255, 255, 0.04);
}

th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .8px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: top;
  line-height: 1.5;
}

td:first-child {
  color: var(--text);
  font-weight: 500;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* ── CALLOUT ── */
.callout {
  display: flex;
  gap: 14px;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
}

.callout-info {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.callout-warn {
  background: rgba(209, 153, 34, 0.08);
  border: 1px solid rgba(209, 153, 34, 0.3);
}

.callout-danger {
  background: rgba(248, 81, 73, 0.08);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.callout-icon {
  font-size: 17px;
  flex-shrink: 0;
  margin-top: 1px;
}

.callout p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.callout strong {
  color: var(--text);
}

/* ── STATUS DOT ── */
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

.dot-on {
  background: var(--green);
  box-shadow: 0 0 6px rgba(63, 185, 80, .5);
}

.dot-off {
  background: var(--text-muted);
}

/* ── MODULE ROW ── */
.module-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.module-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: border-color var(--transition), background var(--transition);
}

.module-row:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.module-row-name {
  font-size: 14px;
  font-weight: 700;
  min-width: 140px;
  flex-shrink: 0;
}

.module-row-name a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}

.module-row-name a:hover {
  color: var(--accent-1);
}

.module-row-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  flex: 1;
}

.module-row-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  flex-shrink: 0;
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

/* ── CHIP ── */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition);
}

.chip:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* ── DIVIDER ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ── PARAM BLOCK ── */
.param-block {
  margin-bottom: 32px;
}

.param-block-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.param-block-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text);
}

/* ── SCROLL HIGHLIGHT ── */
:target {
  scroll-margin-top: 80px;
}

/* ── ANCHOR TOC ── */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 32px;
}

.toc-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.toc ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toc a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

.toc a::before {
  content: '#';
  color: #6366f1;
  font-weight: 700;
  font-size: 12px;
}

.toc a:hover {
  color: var(--text);
}