/* ================================================================
   shared.css — Novada MCP · Cyberpunk Data Flow Edition
   Round fonts · Violet glow · Grid backgrounds · Data flow particles
   ================================================================ */

/* ── Theme variables ─────────────────────────────────────────── */
:root {
  --th-bg: #0a0818;
  --th-surface: #110e24;
  --th-card: #161230;
  --th-ink: #e8e0ff;
  --th-ink-mid: #b0a8d8;
  --th-ink-muted: #7a6faa;
  --th-vborder: rgba(108, 64, 226, 0.25);
  --th-nav: rgba(10, 8, 24, 0.88);
  --th-nav-border: rgba(108, 64, 226, 0.2);
  --th-hero-grad: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(108, 64, 226, 0.25) 0%, transparent 70%);
  --th-glow: rgba(108, 64, 226, 0.4);
  --th-glow-soft: rgba(108, 64, 226, 0.08);
  --section-gap: 6rem;
}

/* Light mode — warm grays with purple tint */
[data-theme="light"] {
  --th-bg: #f5f3fa;
  --th-surface: #edeaf5;
  --th-card: #ffffff;
  --th-ink: #1a1530;
  --th-ink-mid: #3d3660;
  --th-ink-muted: #6b6490;
  --th-vborder: rgba(108, 64, 226, 0.15);
  --th-nav: rgba(245, 243, 250, 0.92);
  --th-nav-border: rgba(108, 64, 226, 0.12);
  --th-hero-grad: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(108, 64, 226, 0.12) 0%, transparent 70%);
  --th-glow: rgba(108, 64, 226, 0.2);
  --th-glow-soft: rgba(108, 64, 226, 0.04);
}

/* Light mode: tinted tab container backgrounds */
[data-theme="light"] .bg-violet\/5 {
  background: rgba(108, 64, 226, 0.08) !important;
}

/* ── Base ────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', 'Noto Sans SC', system-ui, sans-serif;
  color: var(--th-ink);
  background: var(--th-bg);
  letter-spacing: -0.005em;
  line-height: 1.8;
  font-size: 16px;
}

h1, h2, h3 {
  font-family: 'Nunito', 'Noto Sans SC', system-ui, sans-serif;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.mono { font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace; }

/* ── Language toggle ─────────────────────────────────────────── */
body.lang-en .zh { display: none !important; }
body.lang-zh .en { display: none !important; }

/* ── Data flow background — random flowing lines ─────────────── */
.grid-bg {
  position: relative;
  overflow: hidden;
}
.grid-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    /* Diagonal data flow lines — random angles and positions */
    linear-gradient(35deg, transparent 48%, rgba(108,64,226,0.06) 49%, rgba(108,64,226,0.06) 51%, transparent 52%),
    linear-gradient(155deg, transparent 46%, rgba(108,64,226,0.04) 47%, rgba(108,64,226,0.04) 49%, transparent 50%),
    linear-gradient(75deg, transparent 44%, rgba(108,64,226,0.05) 45%, rgba(108,64,226,0.05) 47%, transparent 48%),
    linear-gradient(120deg, transparent 52%, rgba(108,64,226,0.03) 53%, rgba(108,64,226,0.03) 55%, transparent 56%),
    linear-gradient(200deg, transparent 38%, rgba(108,64,226,0.04) 39%, rgba(108,64,226,0.04) 41%, transparent 42%);
  background-size: 400px 400px, 350px 350px, 500px 500px, 300px 300px, 450px 450px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
  animation: flow-drift 20s linear infinite;
}
@keyframes flow-drift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-50px, -30px); }
}

/* ── Hero gradient + glow ────────────────────────────────────── */
.grad-hero {
  background: var(--th-hero-grad);
  position: relative;
  overflow: hidden;
}
.grad-hero::after {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(108, 64, 226, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Gradient text ───────────────────────────────────────────── */
.grad-text {
  background: linear-gradient(135deg, #b388ff 0%, #9863f0 30%, #6c40e2 60%, #431fd5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ── Glow border card — purple frame with light ──────────────── */
.glow-card {
  background: var(--th-card);
  border: 2px solid rgba(108, 64, 226, 0.35);
  border-radius: 16px;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 0 20px rgba(108, 64, 226, 0.1), 0 0 60px rgba(108, 64, 226, 0.05);
}
.glow-card:hover {
  border-color: rgba(108, 64, 226, 0.7);
  box-shadow: 0 0 30px rgba(108, 64, 226, 0.2), 0 0 80px rgba(108, 64, 226, 0.08), 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* ── Neon accent line ────────────────────────────────────────── */
.neon-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--th-glow), transparent);
  border: none;
  margin: 0;
}

/* ── Theme button ────────────────────────────────────────────── */
.theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--th-vborder);
  cursor: pointer;
  background: transparent;
  color: var(--th-ink);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  padding: 0;
}
.theme-btn:hover {
  background: var(--th-glow-soft);
  border-color: rgba(108, 64, 226, 0.4);
  box-shadow: 0 0 12px var(--th-glow-soft);
}
.theme-btn .icon-sun { display: block; }
.theme-btn .icon-moon { display: none; }
[data-theme="light"] .theme-btn .icon-sun { display: none; }
[data-theme="light"] .theme-btn .icon-moon { display: block; }

/* ── Code / terminal — unified palette ───────────────────────── */
.code-block {
  background: #13102a;
  color: #e2d9ff;
  border: 1px solid rgba(108, 64, 226, 0.2);
  border-left: 3px solid #6c40e2;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 0 20px rgba(108, 64, 226, 0.06);
}
.code-block pre {
  padding: 18px 56px 18px 18px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.65;
  font-family: 'JetBrains Mono', monospace;
  color: #e2d9ff;
}

/* Consistent styling for ALL pre/monospace code elements */
pre {
  background: #13102a;
  color: #e2d9ff;
  border-radius: 12px;
}

/* Syntax highlight classes inside code blocks */
.code-block .text-violet-200,
.code-block .text-violet-100 {
  color: #b388ff !important;
}

/* ── Response card body (hero JSON preview) ──────────────────── */
.response-card-body {
  background: #161230;
  color: #d4ccee;
}
.response-card-body .text-green-400\/70,
.response-card-body .text-green-400\/60 {
  color: #7c5fff !important;
}
.response-card-body .text-slate\/40,
.response-card-body .text-slate\/30 {
  color: #6b6490 !important;
}
.response-card-body .text-violet\/50 {
  color: #9b7dff !important;
}
.response-card-body .text-violet-200\/70 {
  color: #b388ff !important;
}

/* Fallback: style the hero response panel via inline-style override */
/* The hero panel uses style="background:#0c0920" — override with higher specificity */
.glow-card > div[style*="background:#0c0920"],
.glow-card > div[style*="background: #0c0920"] {
  background: #161230 !important;
  color: #d4ccee !important;
}

/* Tool names in hero response card */
.glow-card > div[style*="0c0920"] .text-green-400\/70 {
  color: #7c5fff !important;
}

/* Comments in hero response card */
.glow-card > div[style*="0c0920"] .text-slate\/40,
.glow-card > div[style*="0c0920"] .text-slate\/30 {
  color: #6b6490 !important;
}

/* ── Copy button ─────────────────────────────────────────────── */
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(108, 64, 226, 0.15);
  color: #e2d9ff;
  border: 1px solid rgba(108, 64, 226, 0.3);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  transition: all 0.15s ease;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
}
.copy-btn:hover {
  background: #6c40e2;
  border-color: #6c40e2;
  color: white;
  box-shadow: 0 0 12px rgba(108, 64, 226, 0.4);
}
.copy-btn.copied { background: #6c40e2; border-color: #6c40e2; color: white; }

/* ── Tab buttons & panels ────────────────────────────────────── */
.tab-btn {
  padding: 9px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  color: var(--th-ink-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.tab-btn:hover {
  color: var(--th-ink);
  background: var(--th-glow-soft);
  border-color: var(--th-vborder);
}
.tab-btn.active {
  background: linear-gradient(135deg, #6c40e2, #431fd5);
  color: white;
  border-color: transparent;
  box-shadow: 0 0 16px rgba(108, 64, 226, 0.3);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Framework tabs ──────────────────────────────────────────── */
.ftab-btn {
  padding: 8px 14px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 14px;
  color: var(--th-ink-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}
.ftab-btn:hover { color: var(--th-ink); background: var(--th-glow-soft); }
.ftab-btn.active {
  background: linear-gradient(135deg, #6c40e2, #431fd5);
  color: white;
  box-shadow: 0 0 16px rgba(108, 64, 226, 0.3);
}
.ftab-panel { display: none; }
.ftab-panel.active { display: block; }

/* ── Tool card (used for "Why hosted" cards too) ─────────────── */
.tool-card {
  background: var(--th-card);
  border: 1px solid var(--th-vborder);
  border-radius: 16px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.tool-card:hover {
  border-color: rgba(108, 64, 226, 0.5);
  box-shadow: 0 0 30px var(--th-glow-soft), 0 8px 32px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

/* ── Toast notification ──────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: linear-gradient(135deg, #6c40e2, #431fd5);
  color: white;
  padding: 10px 18px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 100;
  box-shadow: 0 0 20px rgba(108, 64, 226, 0.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Pill ────────────────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--th-vborder);
  background: var(--th-glow-soft);
}

/* ── Hero side panel scroll animations ────────────────────────── */
@keyframes scroll-up {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
@keyframes scroll-down {
  0% { transform: translateY(-50%); }
  100% { transform: translateY(0); }
}
.hero-side-scroll {
  will-change: transform;
}

/* ── Data flow particle animation ────────────────────────────── */
@keyframes float-up {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  20% { opacity: 0.6; }
  80% { opacity: 0.3; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.data-particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #6c40e2;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(108, 64, 226, 0.6);
  animation: float-up linear infinite;
  pointer-events: none;
}
.data-particle:nth-child(1) { left: 10%; animation-duration: 8s; animation-delay: 0s; }
.data-particle:nth-child(2) { left: 25%; animation-duration: 12s; animation-delay: 2s; }
.data-particle:nth-child(3) { left: 40%; animation-duration: 10s; animation-delay: 4s; }
.data-particle:nth-child(4) { left: 60%; animation-duration: 14s; animation-delay: 1s; }
.data-particle:nth-child(5) { left: 75%; animation-duration: 9s; animation-delay: 3s; }
.data-particle:nth-child(6) { left: 90%; animation-duration: 11s; animation-delay: 5s; }

/* ── Pulse dot (live indicator) ──────────────────────────────── */
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(108, 64, 226, 0.6); }
  50% { box-shadow: 0 0 0 6px rgba(108, 64, 226, 0); }
}
.live-dot {
  width: 8px;
  height: 8px;
  background: #6c40e2;
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ── FAQ details ─────────────────────────────────────────────── */
details.faq summary { list-style: none; cursor: pointer; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: '+';
  float: right;
  font-weight: 300;
  font-size: 22px;
  line-height: 1;
  color: #6c40e2;
  transition: transform 0.2s ease;
}
details.faq[open] summary::after { content: '\2212'; }

/* ── Motion layer ────────────────────────────────────────────── */
.js-anim .hero-animate { opacity: 0; }
.js-anim .sf { opacity: 0; transform: translateY(30px); }

/* ── CTA button — primary violet glow ────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, #7c4dff, #6c40e2, #5a2dd6);
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(108, 64, 226, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 0 30px rgba(108, 64, 226, 0.5), 0 4px 16px rgba(0, 0, 0, 0.2);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--th-ink);
  background: transparent;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  border: 1px solid var(--th-vborder);
  transition: all 0.2s ease;
  cursor: pointer;
}
.btn-secondary:hover {
  border-color: rgba(108, 64, 226, 0.5);
  box-shadow: 0 0 16px var(--th-glow-soft);
  background: var(--th-glow-soft);
}

/* ── Section divider ─────────────────────────────────────────── */
.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #6c40e2, #9863f0);
  border-radius: 2px;
  margin: 0 auto;
}

/* ── Scrollbar (cyberpunk) ───────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--th-bg); }
::-webkit-scrollbar-thumb { background: rgba(108, 64, 226, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108, 64, 226, 0.5); }

/* ── Selection color ─────────────────────────────────────────── */
::selection { background: rgba(108, 64, 226, 0.3); color: white; }