/* ============================================================
   MetaSnap — Prototype Design System (dark-first, bold)
   Standalone: does not depend on the legacy app CSS.
   Converges on the existing theme.css token names (--ms-*)
   so it can later be merged into theme.css.
   ============================================================ */

:root {
  /* Brand */
  --ms-primary: #6366f1;
  --ms-primary-hover: #4f46e5;
  --ms-violet: #8b5cf6;
  --ms-cyan: #22d3ee;
  --ms-pink: #ec4899;

  /* Gradients */
  --ms-grad-brand: linear-gradient(120deg, #6366f1 0%, #8b5cf6 45%, #22d3ee 100%);
  --ms-grad-brand-soft: linear-gradient(120deg, rgba(99,102,241,.18), rgba(139,92,246,.14), rgba(34,211,238,.12));

  /* Light theme (default tokens; dark overrides below) */
  --ms-bg: #f7f8fc;
  --ms-bg-2: #eef1f8;
  --ms-surface: #ffffff;
  --ms-surface-2: #ffffff;
  --ms-glass: rgba(255, 255, 255, 0.72);
  --ms-glass-border: rgba(15, 23, 42, 0.08);
  --ms-text: #0b1020;
  --ms-text-2: #475069;
  --ms-text-muted: #8a93ab;
  --ms-border: rgba(15, 23, 42, 0.10);
  --ms-glow-1: rgba(99, 102, 241, 0.20);
  --ms-glow-2: rgba(34, 211, 238, 0.16);
  --ms-glow-3: rgba(236, 72, 153, 0.12);
  --ms-shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.25);
  --ms-shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, 0.30);

  /* Type */
  --ms-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Radius */
  --ms-r-sm: 10px;
  --ms-r: 16px;
  --ms-r-lg: 24px;
  --ms-r-full: 999px;

  --ms-ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: light;
}

/* Dark theme (default for this site per design direction) */
html[data-theme="dark"] {
  --ms-bg: #070a16;
  --ms-bg-2: #0c1024;
  --ms-surface: #11152b;
  --ms-surface-2: #161b34;
  --ms-glass: rgba(20, 25, 50, 0.55);
  --ms-glass-border: rgba(255, 255, 255, 0.08);
  --ms-text: #eef1fb;
  --ms-text-2: #aeb6d4;
  --ms-text-muted: #6f78a0;
  --ms-border: rgba(255, 255, 255, 0.09);
  --ms-glow-1: rgba(99, 102, 241, 0.35);
  --ms-glow-2: rgba(34, 211, 238, 0.22);
  --ms-glow-3: rgba(236, 72, 153, 0.20);
  --ms-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.6);
  --ms-shadow-lg: 0 40px 80px -24px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

/* Follow OS when no explicit choice — dark-first */
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --ms-bg: #070a16; --ms-bg-2: #0c1024; --ms-surface: #11152b; --ms-surface-2: #161b34;
    --ms-glass: rgba(20, 25, 50, 0.55); --ms-glass-border: rgba(255,255,255,0.08);
    --ms-text: #eef1fb; --ms-text-2: #aeb6d4; --ms-text-muted: #6f78a0;
    --ms-border: rgba(255,255,255,0.09);
    --ms-glow-1: rgba(99,102,241,0.35); --ms-glow-2: rgba(34,211,238,0.22); --ms-glow-3: rgba(236,72,153,0.20);
    --ms-shadow: 0 16px 40px -16px rgba(0,0,0,.6); --ms-shadow-lg: 0 40px 80px -24px rgba(0,0,0,.7);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--ms-font);
  background: var(--ms-bg);
  color: var(--ms-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background .4s var(--ms-ease), color .3s var(--ms-ease);
}

/* Ambient animated background glows */
.ms-aurora {
  position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
}
.ms-aurora::before, .ms-aurora::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: .9;
  animation: msFloat 18s var(--ms-ease) infinite alternate;
}
.ms-aurora::before {
  width: 60vw; height: 60vw; top: -18vw; left: -10vw;
  background: radial-gradient(circle at 30% 30%, var(--ms-glow-1), transparent 70%);
}
.ms-aurora::after {
  width: 50vw; height: 50vw; bottom: -16vw; right: -8vw;
  background: radial-gradient(circle at 60% 40%, var(--ms-glow-2), transparent 70%);
  animation-delay: -6s;
}
.ms-aurora i {
  position: absolute; width: 38vw; height: 38vw; border-radius: 50%; filter: blur(100px);
  top: 30%; left: 45%; opacity: .7;
  background: radial-gradient(circle, var(--ms-glow-3), transparent 70%);
  animation: msFloat2 22s var(--ms-ease) infinite alternate;
}
@keyframes msFloat { to { transform: translate3d(6vw, 5vh, 0) scale(1.15); } }
@keyframes msFloat2 { to { transform: translate3d(-7vw, -4vh, 0) scale(1.2); } }
@media (prefers-reduced-motion: reduce) { .ms-aurora::before, .ms-aurora::after, .ms-aurora i { animation: none; } }

/* Layout */
.ms-wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header */
.ms-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--ms-bg) 70%, transparent);
  border-bottom: 1px solid var(--ms-border);
}
.ms-header .ms-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.ms-brand { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.02em; font-size: 1.15rem; }
.ms-logo {
  width: 32px; height: 32px; border-radius: 9px; background: var(--ms-grad-brand);
  display: grid; place-items: center; color: #fff; font-weight: 900; box-shadow: 0 6px 18px -6px var(--ms-primary);
}
.ms-brand-name { background: var(--ms-grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ms-nav-actions { display: flex; align-items: center; gap: 10px; }

/* Buttons */
.ms-btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; border: 0;
  font-family: inherit; font-weight: 650; font-size: .95rem; padding: 12px 22px;
  border-radius: var(--ms-r-full); text-decoration: none; transition: transform .2s var(--ms-ease), box-shadow .25s var(--ms-ease), background .2s;
  white-space: nowrap;
}
.ms-btn-primary { color: #fff; background: var(--ms-grad-brand); background-size: 180% 180%; box-shadow: 0 10px 26px -10px var(--ms-primary); }
.ms-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px var(--ms-primary); background-position: 100% 0; }
.ms-btn-ghost { color: var(--ms-text); background: var(--ms-glass); border: 1px solid var(--ms-glass-border); backdrop-filter: blur(8px); }
.ms-btn-ghost:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--ms-primary) 50%, transparent); }
.ms-btn-sm { padding: 9px 16px; font-size: .85rem; }

/* Theme toggle */
.ms-toggle {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  background: var(--ms-glass); border: 1px solid var(--ms-glass-border); color: var(--ms-text);
  transition: transform .3s var(--ms-ease), border-color .2s;
}
.ms-toggle:hover { transform: rotate(18deg) scale(1.06); border-color: color-mix(in srgb, var(--ms-primary) 50%, transparent); }
.ms-toggle svg { width: 19px; height: 19px; }
.ms-lang {
  height: 42px; min-width: 42px; padding: 0 12px; border-radius: var(--ms-r-full); cursor: pointer;
  background: var(--ms-glass); border: 1px solid var(--ms-glass-border); color: var(--ms-text);
  font-family: inherit; font-weight: 700; font-size: .82rem; letter-spacing: .03em;
  transition: transform .2s var(--ms-ease), border-color .2s;
}
.ms-lang:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--ms-primary) 50%, transparent); }
html[data-theme="dark"] .ms-sun, html:not([data-theme="light"]) .ms-sun { display: block; }
html[data-theme="dark"] .ms-moon, html:not([data-theme="light"]) .ms-moon { display: none; }
.ms-sun { display: none; } .ms-moon { display: block; }
html[data-theme="light"] .ms-sun { display: none; } html[data-theme="light"] .ms-moon { display: block; }

/* Hero */
.ms-hero { position: relative; padding: 88px 0 56px; text-align: center; }
.ms-pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 600; letter-spacing: .01em;
  padding: 7px 14px; border-radius: var(--ms-r-full); color: var(--ms-text-2);
  background: var(--ms-glass); border: 1px solid var(--ms-glass-border); backdrop-filter: blur(8px);
  margin-bottom: 26px;
}
.ms-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ms-cyan); box-shadow: 0 0 10px var(--ms-cyan); animation: msPulse 2s infinite; }
@keyframes msPulse { 50% { opacity: .4; } }
.ms-hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1.04; letter-spacing: -.035em; font-weight: 850;
  margin: 0 0 20px;
}
.ms-hero h1 .grad { background: var(--ms-grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ms-hero p.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--ms-text-2); max-width: 660px; margin: 0 auto 34px; }
.ms-hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Reveal animation */
.ms-reveal { opacity: 0; transform: translateY(22px); animation: msReveal .9s var(--ms-ease) forwards; }
.ms-reveal.d1 { animation-delay: .08s; } .ms-reveal.d2 { animation-delay: .18s; }
.ms-reveal.d3 { animation-delay: .28s; } .ms-reveal.d4 { animation-delay: .40s; }
@keyframes msReveal { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ms-reveal { animation: none; opacity: 1; transform: none; } }

/* Feature cards */
.ms-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 30px 0 70px; }
@media (max-width: 820px) { .ms-features { grid-template-columns: 1fr; } }
.ms-card {
  position: relative; padding: 28px; border-radius: var(--ms-r-lg);
  background: var(--ms-glass); border: 1px solid var(--ms-glass-border); backdrop-filter: blur(14px);
  box-shadow: var(--ms-shadow); overflow: hidden;
  transition: transform .3s var(--ms-ease), border-color .3s, box-shadow .3s;
}
.ms-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--ms-grad-brand); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .3s;
}
.ms-card:hover { transform: translateY(-6px); box-shadow: var(--ms-shadow-lg); }
.ms-card:hover::before { opacity: .9; }
.ms-ico {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
  background: var(--ms-grad-brand-soft); color: var(--ms-primary); border: 1px solid var(--ms-glass-border);
}
html[data-theme="dark"] .ms-ico { color: #c7d2fe; }
.ms-ico svg { width: 24px; height: 24px; }
.ms-card h3 { margin: 0 0 8px; font-size: 1.15rem; letter-spacing: -.01em; }
.ms-card p { margin: 0; color: var(--ms-text-2); font-size: .95rem; }

/* Stats strip */
.ms-stats { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; padding-bottom: 30px; }
.ms-stat { text-align: center; padding: 0 22px; }
.ms-stat b { display: block; font-size: 1.8rem; font-weight: 800; background: var(--ms-grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ms-stat span { font-size: .82rem; color: var(--ms-text-muted); }

/* Footer */
.ms-footer { border-top: 1px solid var(--ms-border); padding: 34px 0; color: var(--ms-text-muted); font-size: .88rem; }
.ms-footer .ms-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ms-footer a { color: var(--ms-text-2); text-decoration: none; margin-left: 18px; transition: color .2s; }
.ms-footer a:hover { color: var(--ms-primary); }

/* Generic content page (legal/policy) */
.ms-doc { max-width: 820px; margin: 0 auto; padding: 60px 24px 80px; }
.ms-doc h1 { font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -.03em; margin: 0 0 10px; }
.ms-doc .updated { color: var(--ms-text-muted); font-size: .9rem; margin-bottom: 34px; }
.ms-doc h2 { font-size: 1.3rem; margin: 36px 0 12px; letter-spacing: -.01em; }
.ms-doc p, .ms-doc li { color: var(--ms-text-2); }
.ms-doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .92rem; }
.ms-doc th, .ms-doc td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--ms-border); }
.ms-doc th { color: var(--ms-text); font-weight: 650; }
.ms-doc .ms-card { padding: 22px 26px; }

/* Auth pages (login / register) */
.ms-auth { min-height: calc(100vh - 68px); display: grid; place-items: center; padding: 40px 20px; }
.ms-auth-card {
  width: min(430px, 100%); padding: 38px; border-radius: var(--ms-r-lg);
  background: var(--ms-glass); border: 1px solid var(--ms-glass-border);
  backdrop-filter: blur(16px); box-shadow: var(--ms-shadow-lg);
  animation: msReveal .8s var(--ms-ease) both;
}
.ms-auth-card .ms-logo { width: 46px; height: 46px; font-size: 1.2rem; border-radius: 13px; margin: 0 auto 18px; }
.ms-auth-card h1 { text-align: center; font-size: 1.6rem; letter-spacing: -.02em; margin: 0 0 6px; }
.ms-auth-card .sub { text-align: center; color: var(--ms-text-2); font-size: .92rem; margin: 0 0 26px; }
.ms-field { margin-bottom: 16px; }
.ms-field label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 7px; color: var(--ms-text-2); }
.ms-field input {
  width: 100%; padding: 13px 15px; border-radius: var(--ms-r-sm); font-family: inherit; font-size: .95rem;
  background: var(--ms-surface-2); border: 1px solid var(--ms-border); color: var(--ms-text); transition: border-color .2s, box-shadow .2s;
}
.ms-field input::placeholder { color: var(--ms-text-muted); }
.ms-field input:focus { outline: none; border-color: var(--ms-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ms-primary) 25%, transparent); }
.ms-auth-card .ms-btn { width: 100%; justify-content: center; margin-top: 6px; }
.ms-auth-card .ms-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.ms-auth-error {
  background: color-mix(in srgb, var(--ms-error, #ef4444) 14%, transparent); color: #fca5a5;
  border: 1px solid color-mix(in srgb, var(--ms-error, #ef4444) 30%, transparent);
  padding: 11px 14px; border-radius: var(--ms-r-sm); font-size: .85rem; margin-bottom: 14px;
}
html[data-theme="light"] .ms-auth-error { color: #b91c1c; }
.ms-auth-error.hidden { display: none; }
.ms-auth-meta { display: flex; justify-content: space-between; font-size: .85rem; margin: 18px 0 0; }
.ms-auth-meta a, .ms-auth-foot a { color: var(--ms-primary); text-decoration: none; }
.ms-auth-foot { text-align: center; font-size: .87rem; color: var(--ms-text-2); margin-top: 20px; }
.ms-divider { text-align: center; color: var(--ms-text-muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .5px; margin: 20px 0 12px; position: relative; }
.ms-divider::before { content: ""; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: var(--ms-border); }
.ms-divider span { position: relative; background: transparent; padding: 0 12px; }
.ms-divider.hidden, .ms-sso.hidden { display: none; }