/* ============================================================
   Virtual Stage Network — vsn.css
   Design: Deep stage black + electric violet + warm white
   Fonts: Space Grotesk (display) · Inter (body/UI)
   ============================================================ */

/* ── TOKENS ──────────────────────────────────────────────── */
:root {
  --vsn-black:    #080a0f;
  --vsn-surface:  #0f1219;
  --vsn-card:     #161b25;
  --vsn-border:   #1e2535;
  --vsn-violet:   #7c3aed;
  --vsn-violet-h: #6d28d9;
  --vsn-violet-g: #a78bfa;
  --vsn-red:      #ef4444;
  --vsn-green:    #22c55e;
  --vsn-amber:    #f59e0b;
  --vsn-white:    #f8f9fc;
  --vsn-muted:    #8b95a8;
  --vsn-subtle:   #3d4a5c;
  --vsn-radius:   10px;
  --vsn-radius-lg:16px;
  --vsn-nav-h:    64px;
  --vsn-font-display: 'Space Grotesk', sans-serif;
  --vsn-font-body:    'Inter', sans-serif;
  --vsn-transition: 0.18s ease;
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--vsn-black);
  color: var(--vsn-white);
  font-family: var(--vsn-font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--vsn-violet-g); text-decoration: none; transition: color var(--vsn-transition); }
a:hover { color: var(--vsn-white); }
img { display: block; max-width: 100%; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  background: var(--vsn-card);
  border: 1px solid var(--vsn-border);
  color: var(--vsn-white);
  border-radius: var(--vsn-radius);
  padding: 10px 14px;
  width: 100%;
  transition: border-color var(--vsn-transition);
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--vsn-violet);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
select option { background: var(--vsn-card); }
label { display: block; font-size: 13px; font-weight: 500; color: var(--vsn-muted); margin-bottom: 5px; }

/* ── NAV ─────────────────────────────────────────────────── */
.vsn-nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--vsn-nav-h);
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--vsn-transition), box-shadow var(--vsn-transition);
}
.vsn-nav--scrolled {
  border-color: var(--vsn-border);
  box-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.vsn-nav__inner {
  max-width: 1200px; margin: 0 auto;
  height: 100%; display: flex; align-items: center; gap: 24px;
  padding: 0 24px;
}
.vsn-nav__logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--vsn-font-display);
  font-size: 17px; font-weight: 600;
  color: var(--vsn-white); text-decoration: none;
  flex-shrink: 0;
}
.vsn-nav__logo-mark {
  color: var(--vsn-violet);
  font-size: 13px;
  filter: drop-shadow(0 0 6px var(--vsn-violet));
}
.vsn-nav__links {
  display: flex; align-items: center; gap: 4px;
  flex: 1;
}
.vsn-nav__link {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px; font-weight: 500;
  color: var(--vsn-muted);
  transition: color var(--vsn-transition), background var(--vsn-transition);
}
.vsn-nav__link:hover, .vsn-nav__link--active {
  color: var(--vsn-white);
  background: rgba(255,255,255,0.06);
}
.vsn-nav__powered { margin-left: auto; }
.vsn-nav__powered-link { font-size: 12px; color: var(--vsn-subtle); }
.vsn-nav__powered-link:hover { color: var(--vsn-muted); }
.vsn-nav__cta { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.vsn-nav__burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 6px;
}
.vsn-nav__burger span {
  display: block; width: 22px; height: 2px;
  background: var(--vsn-white); border-radius: 2px;
  transition: var(--vsn-transition);
}

/* ── LIVE DOT (signature element) ────────────────────────── */
.vsn-live-dot {
  width: 7px; height: 7px;
  background: var(--vsn-red);
  border-radius: 50%;
  display: inline-block;
  animation: vsn-pulse 1.8s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(239,68,68,0.6);
}
@keyframes vsn-pulse {
  0%   { box-shadow: 0 0 0 0   rgba(239,68,68,0.6); }
  50%  { box-shadow: 0 0 0 5px rgba(239,68,68,0); }
  100% { box-shadow: 0 0 0 0   rgba(239,68,68,0); }
}
.vsn-live-badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fc8181;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  padding: 2px 8px; border-radius: 20px;
  text-transform: uppercase;
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.vsn-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--vsn-font-body);
  font-size: 14px; font-weight: 600;
  padding: 10px 20px; border-radius: var(--vsn-radius);
  border: none; cursor: pointer;
  transition: all var(--vsn-transition);
  text-decoration: none; white-space: nowrap;
}
.vsn-btn--primary {
  background: var(--vsn-violet);
  color: #fff;
  box-shadow: 0 0 20px rgba(124,58,237,0.25);
}
.vsn-btn--primary:hover { background: var(--vsn-violet-h); color: #fff; box-shadow: 0 0 28px rgba(124,58,237,0.45); }
.vsn-btn--ghost {
  background: transparent;
  border: 1px solid var(--vsn-border);
  color: var(--vsn-white);
}
.vsn-btn--ghost:hover { border-color: var(--vsn-violet); color: var(--vsn-violet-g); }
.vsn-btn--danger { background: var(--vsn-red); color: #fff; }
.vsn-btn--danger:hover { background: #dc2626; color: #fff; }
.vsn-btn--sm { padding: 7px 14px; font-size: 13px; }
.vsn-btn--lg { padding: 14px 28px; font-size: 16px; }
.vsn-btn--full { width: 100%; }
.vsn-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── LAYOUT ──────────────────────────────────────────────── */
.vsn-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.vsn-wrap--narrow { max-width: 720px; }
.vsn-wrap--mid    { max-width: 900px; }
.vsn-section { padding: 56px 0; }
.vsn-page-header { padding: 40px 0 32px; border-bottom: 1px solid var(--vsn-border); margin-bottom: 40px; }
.vsn-page-header h1 { font-family: var(--vsn-font-display); font-size: clamp(24px,4vw,36px); font-weight: 700; }
.vsn-page-header p { color: var(--vsn-muted); margin-top: 6px; }

/* ── CARDS ───────────────────────────────────────────────── */
.vsn-card {
  background: var(--vsn-card);
  border: 1px solid var(--vsn-border);
  border-radius: var(--vsn-radius-lg);
  padding: 24px;
  transition: border-color var(--vsn-transition);
}
.vsn-card:hover { border-color: var(--vsn-subtle); }
.vsn-card__title { font-family: var(--vsn-font-display); font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.vsn-card__meta  { font-size: 13px; color: var(--vsn-muted); }

/* ── STREAM PLAYER CARD ──────────────────────────────────── */
.vsn-player {
  background: var(--vsn-card);
  border: 1px solid var(--vsn-border);
  border-radius: var(--vsn-radius-lg);
  overflow: hidden;
  position: relative;
}
.vsn-player__video {
  position: relative;
  padding-bottom: 56.25%;
  background: #000;
}
.vsn-player__video iframe,
.vsn-player__video video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: none;
}
.vsn-player__offline {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px; color: var(--vsn-muted);
  font-size: 14px;
}
.vsn-player__offline-icon { font-size: 40px; opacity: 0.3; }
.vsn-player__info { padding: 16px 20px; }
.vsn-player__name { font-family: var(--vsn-font-display); font-size: 16px; font-weight: 600; }
.vsn-player__category { font-size: 12px; color: var(--vsn-muted); margin-top: 2px; }
.vsn-player__actions { display: flex; gap: 8px; margin-top: 14px; }

/* ── STREAM GRID ─────────────────────────────────────────── */
.vsn-stream-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
.vsn-stream-grid--2 { grid-template-columns: repeat(2, 1fr); }
.vsn-stream-grid--3 { grid-template-columns: repeat(3, 1fr); }
.vsn-stream-grid--4 { grid-template-columns: repeat(2, 1fr); }

/* ── HERO ────────────────────────────────────────────────── */
.vsn-hero {
  padding: 80px 0 64px;
  text-align: center;
}
.vsn-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.1em;
  color: var(--vsn-violet-g); text-transform: uppercase;
  margin-bottom: 20px;
}
.vsn-hero h1 {
  font-family: var(--vsn-font-display);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700; line-height: 1.08;
  letter-spacing: -0.02em;
}
.vsn-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.vsn-hero__sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--vsn-muted); margin-top: 16px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.vsn-hero__cta { display: flex; gap: 12px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }

/* ── FORMS ───────────────────────────────────────────────── */
.vsn-form-group { margin-bottom: 18px; }
.vsn-form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.vsn-form-hint  { font-size: 12px; color: var(--vsn-muted); margin-top: 5px; }
.vsn-form-error { color: var(--vsn-red); font-size: 13px; margin-top: 5px; }
.vsn-copy-field {
  display: flex; gap: 8px;
}
.vsn-copy-field input { flex: 1; font-family: 'Courier New', monospace; font-size: 13px; }

/* ── ALERTS ──────────────────────────────────────────────── */
.vsn-alert {
  padding: 12px 16px; border-radius: var(--vsn-radius);
  font-size: 14px; margin-bottom: 16px;
  border: 1px solid;
}
.vsn-alert--success { background: rgba(34,197,94,0.1);  border-color: rgba(34,197,94,0.3);  color: #86efac; }
.vsn-alert--error   { background: rgba(239,68,68,0.1);  border-color: rgba(239,68,68,0.3);  color: #fca5a5; }
.vsn-alert--info    { background: rgba(124,58,237,0.1); border-color: rgba(124,58,237,0.3); color: #c4b5fd; }
.vsn-alert--warning { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: #fcd34d; }

/* ── TABLES ──────────────────────────────────────────────── */
.vsn-table-wrap { overflow-x: auto; border-radius: var(--vsn-radius); border: 1px solid var(--vsn-border); }
table.vsn-table { width: 100%; border-collapse: collapse; }
.vsn-table th {
  background: var(--vsn-surface);
  color: var(--vsn-muted); font-size: 12px;
  font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 10px 16px; text-align: left;
  border-bottom: 1px solid var(--vsn-border);
}
.vsn-table td {
  padding: 12px 16px; font-size: 14px;
  border-bottom: 1px solid var(--vsn-border);
  vertical-align: middle;
}
.vsn-table tr:last-child td { border-bottom: none; }
.vsn-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ── BADGES ──────────────────────────────────────────────── */
.vsn-badge {
  display: inline-block;
  padding: 2px 9px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.vsn-badge--green  { background: rgba(34,197,94,0.15);  color: #86efac; }
.vsn-badge--red    { background: rgba(239,68,68,0.15);  color: #fca5a5; }
.vsn-badge--violet { background: rgba(124,58,237,0.15); color: #c4b5fd; }
.vsn-badge--amber  { background: rgba(245,158,11,0.15); color: #fcd34d; }
.vsn-badge--muted  { background: rgba(139,149,168,0.15); color: var(--vsn-muted); }

/* ── ADMIN SHELL ─────────────────────────────────────────── */
.vsn-admin-wrap {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - var(--vsn-nav-h));
}
.vsn-admin-sidebar {
  background: var(--vsn-surface);
  border-right: 1px solid var(--vsn-border);
  padding: 24px 0;
}
.vsn-admin-sidebar__label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--vsn-subtle);
  padding: 0 20px; margin: 20px 0 6px;
}
.vsn-admin-sidebar a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 20px; font-size: 14px; font-weight: 500;
  color: var(--vsn-muted); transition: all var(--vsn-transition);
}
.vsn-admin-sidebar a:hover { color: var(--vsn-white); background: rgba(255,255,255,0.04); }
.vsn-admin-sidebar a.active { color: var(--vsn-violet-g); background: rgba(124,58,237,0.1); border-right: 2px solid var(--vsn-violet); }
.vsn-admin-main { padding: 32px; overflow: auto; }
.vsn-admin-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.vsn-admin-header h1 { font-family: var(--vsn-font-display); font-size: 22px; font-weight: 700; }
.vsn-kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.vsn-kpi {
  background: var(--vsn-card); border: 1px solid var(--vsn-border);
  border-radius: var(--vsn-radius); padding: 20px;
}
.vsn-kpi__label { font-size: 12px; color: var(--vsn-muted); margin-bottom: 6px; }
.vsn-kpi__value { font-family: var(--vsn-font-display); font-size: 28px; font-weight: 700; }
.vsn-kpi__sub   { font-size: 12px; color: var(--vsn-muted); margin-top: 3px; }

/* ── FOOTER ──────────────────────────────────────────────── */
.vsn-footer {
  background: var(--vsn-surface);
  border-top: 1px solid var(--vsn-border);
  padding: 56px 0 0;
  margin-top: 80px;
}
.vsn-footer__inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 260px 1fr; gap: 48px;
}
.vsn-footer__logo {
  font-family: var(--vsn-font-display); font-size: 16px; font-weight: 600;
  color: var(--vsn-white); display: flex; align-items: center; gap: 8px;
}
.vsn-footer__tagline { color: var(--vsn-muted); font-size: 13px; margin-top: 8px; line-height: 1.5; }
.vsn-footer__social { display: flex; gap: 12px; margin-top: 16px; }
.vsn-footer__social a { color: var(--vsn-muted); transition: color var(--vsn-transition); }
.vsn-footer__social a:hover { color: var(--vsn-violet-g); }
.vsn-footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.vsn-footer__col h4 { font-size: 13px; font-weight: 600; color: var(--vsn-white); margin-bottom: 12px; }
.vsn-footer__col ul li { margin-bottom: 8px; }
.vsn-footer__col ul li a { font-size: 13px; color: var(--vsn-muted); }
.vsn-footer__col ul li a:hover { color: var(--vsn-white); }
.vsn-footer__bottom {
  max-width: 1200px; margin: 40px auto 0;
  padding: 18px 24px;
  border-top: 1px solid var(--vsn-border);
  font-size: 12px; color: var(--vsn-subtle);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.vsn-footer__bottom a { color: var(--vsn-subtle); }
.vsn-footer__bottom a:hover { color: var(--vsn-muted); }
.vsn-footer__sep { color: var(--vsn-border); }

/* ── UTILITIES ───────────────────────────────────────────── */
.vsn-text-muted   { color: var(--vsn-muted); }
.vsn-text-violet  { color: var(--vsn-violet-g); }
.vsn-text-sm      { font-size: 13px; }
.vsn-text-center  { text-align: center; }
.vsn-mt-4  { margin-top: 4px; }
.vsn-mt-8  { margin-top: 8px; }
.vsn-mt-16 { margin-top: 16px; }
.vsn-mt-24 { margin-top: 24px; }
.vsn-mt-32 { margin-top: 32px; }
.vsn-mb-16 { margin-bottom: 16px; }
.vsn-mb-24 { margin-bottom: 24px; }
.vsn-flex  { display: flex; }
.vsn-flex--gap-8  { gap: 8px; }
.vsn-flex--gap-16 { gap: 16px; }
.vsn-flex--center { align-items: center; }
.vsn-flex--between { justify-content: space-between; }
.vsn-divider { height: 1px; background: var(--vsn-border); margin: 24px 0; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .vsn-footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .vsn-footer__cols  { grid-template-columns: repeat(2, 1fr); }
  .vsn-admin-wrap    { grid-template-columns: 1fr; }
  .vsn-admin-sidebar { display: none; }
  .vsn-stream-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .vsn-form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .vsn-nav__links { 
    display: none; position: absolute; top: var(--vsn-nav-h); left: 0; right: 0;
    background: var(--vsn-surface); border-bottom: 1px solid var(--vsn-border);
    flex-direction: column; padding: 16px;
  }
  .vsn-nav__links--open { display: flex; }
  .vsn-nav__burger { display: flex; }
  .vsn-nav__cta .vsn-btn--ghost { display: none; }
  .vsn-hero { padding: 48px 0 40px; }
  .vsn-stream-grid--2,
  .vsn-stream-grid--3,
  .vsn-stream-grid--4 { grid-template-columns: 1fr; }
  .vsn-footer__cols { grid-template-columns: 1fr 1fr; }
  .vsn-wrap { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .vsn-live-dot { animation: none; }
  * { transition: none !important; animation: none !important; }
}