/* ============================================================================
   Academia de Danza — sistema de diseño
   Estética: editorial-luxe oscura. Carbón cálido + champagne dorado.
   Display: Fraunces (serif óptico) · Texto: Outfit
   ========================================================================== */

:root {
  --bg: #0c0b0f;
  --bg-grad-1: #12101a;
  --bg-grad-2: #0a090d;
  --surface: #16141d;
  --surface-2: #1d1a26;
  --surface-3: #252130;
  --line: #2c2838;
  --line-soft: #211e2b;

  --text: #ece7df;
  --text-dim: #a39db0;
  --text-faint: #6f6a7c;

  --accent: #c9a96a;          /* champagne dorado */
  --accent-soft: #e3cd9b;
  --accent-deep: #9d7f44;
  --plum: #b5749b;            /* acento secundario (danza) */
  --ok: #6fcf97;
  --warn: #e2b04a;
  --danger: #e2607a;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px -28px rgba(0,0,0,.85);
  --shadow-soft: 0 8px 30px -16px rgba(0,0,0,.6);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
}

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(201,169,106,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(181,116,155,.08), transparent 55%),
    linear-gradient(160deg, var(--bg-grad-1), var(--bg-grad-2));
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  letter-spacing: .1px;
}

a { color: inherit; text-decoration: none; }
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 500; letter-spacing: -.4px; }

/* ── Layout principal ─────────────────────────────────────────────────── */
.app { display: grid; grid-template-columns: 264px 1fr; min-height: 100vh; }

.sidebar {
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent), var(--surface);
  border-right: 1px solid var(--line-soft);
  padding: 28px 18px;
  display: flex; flex-direction: column; gap: 6px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 6px 10px 22px; }
.brand .mark {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(140deg, var(--accent), var(--accent-deep));
  color: #1a1410; font-family: var(--font-display); font-size: 22px; font-weight: 600;
  box-shadow: 0 6px 20px -6px rgba(201,169,106,.5);
}
.brand b { font-family: var(--font-display); font-size: 18px; font-weight: 500; line-height: 1.05; }
.brand small { color: var(--text-faint); font-size: 11px; letter-spacing: .3px; }

.nav-label { color: var(--text-faint); font-size: 11px; text-transform: uppercase;
  letter-spacing: 1.4px; padding: 18px 12px 8px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 13px;
  border-radius: var(--radius-sm); color: var(--text-dim);
  font-size: 14.5px; font-weight: 500; transition: .18s ease;
}
.nav-item svg { width: 19px; height: 19px; opacity: .8; }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active {
  background: linear-gradient(100deg, rgba(201,169,106,.16), rgba(201,169,106,.03));
  color: var(--accent-soft); box-shadow: inset 0 0 0 1px rgba(201,169,106,.2);
}
.nav-item.active svg { opacity: 1; }
.sidebar .spacer { flex: 1; }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 38px; border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(6px);
}
.topbar .eyebrow { color: var(--text-faint); font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; }
.topbar h1 { font-size: 26px; margin-top: 2px; }
.userchip { display: flex; align-items: center; gap: 11px; }
.userchip .av {
  width: 38px; height: 38px; border-radius: 50%; background: var(--surface-3);
  display: grid; place-items: center; font-weight: 600; color: var(--accent-soft);
  border: 1px solid var(--line);
}
.userchip .meta b { font-size: 14px; display: block; }
.userchip .meta span { font-size: 12px; color: var(--text-faint); }

.content { padding: 34px 38px 60px; }

/* ── Tarjetas / superficies ───────────────────────────────────────────── */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.015), transparent), var(--surface);
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.card-pad { padding: 22px 24px; }
.grid { display: grid; gap: 18px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.stat { padding: 22px 24px; position: relative; overflow: hidden; }
.stat .k { color: var(--text-faint); font-size: 12.5px; letter-spacing: .4px;
  text-transform: uppercase; }
.stat .v { font-family: var(--font-display); font-size: 40px; margin-top: 8px; line-height: 1; }
.stat .v small { font-size: 15px; color: var(--text-dim); font-family: var(--font-body); }
.stat::after {
  content: ""; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px;
  background: radial-gradient(circle, rgba(201,169,106,.16), transparent 70%);
}

/* ── Botones ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: var(--font-body); font-weight: 600; font-size: 14px;
  padding: 10px 18px; border-radius: 11px; border: 1px solid transparent;
  transition: .18s ease; background: var(--surface-3); color: var(--text);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(140deg, var(--accent-soft), var(--accent-deep));
  color: #1c1610; box-shadow: 0 10px 26px -12px rgba(201,169,106,.7);
}
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }
.btn-danger { background: transparent; border-color: rgba(226,96,122,.4); color: var(--danger); }
.btn-sm { padding: 7px 13px; font-size: 13px; border-radius: 9px; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ── Pills / badges ───────────────────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600;
  padding: 4px 11px; border-radius: 999px; letter-spacing: .2px;
}
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.ok    { color: var(--ok);     background: rgba(111,207,151,.12); }
.pill.warn  { color: var(--warn);   background: rgba(226,176,74,.13); }
.pill.muted { color: var(--text-dim); background: var(--surface-3); }
.pill.gold  { color: var(--accent-soft); background: rgba(201,169,106,.14); }

/* ── Agenda semanal ───────────────────────────────────────────────────── */
.week-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.week {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; align-items: start;
}
.day-col { min-height: 140px; }
.day-col > .day-name {
  font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-faint);
  margin-bottom: 10px; display: flex; justify-content: space-between; align-items: baseline;
}
.day-col.today .day-name { color: var(--accent-soft); }
.day-col .day-num { font-family: var(--font-display); font-size: 17px; color: var(--text); }

.session {
  background: var(--surface); border: 1px solid var(--line-soft);
  border-left: 3px solid var(--accent); border-radius: 12px;
  padding: 12px 13px; margin-bottom: 10px; transition: .18s ease; cursor: pointer;
}
.session:hover { border-color: var(--line); background: var(--surface-2); transform: translateY(-1px); }
.session .t { font-family: var(--font-display); font-size: 15px; }
.session .h { color: var(--accent-soft); font-size: 13px; font-weight: 600; margin-top: 2px; }
.session .m { color: var(--text-faint); font-size: 12px; margin-top: 5px; display: flex; gap: 8px; flex-wrap: wrap; }
.session.full { border-left-color: var(--text-faint); opacity: .8; }

/* ── Tablas ───────────────────────────────────────────────────────────── */
table.tbl { width: 100%; border-collapse: collapse; }
table.tbl th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .8px;
  color: var(--text-faint); padding: 12px 14px; border-bottom: 1px solid var(--line);
}
table.tbl td { padding: 14px; border-bottom: 1px solid var(--line-soft); font-size: 14px; }
table.tbl tr:hover td { background: rgba(255,255,255,.015); }

/* ── Formularios ──────────────────────────────────────────────────────── */
label.fld { display: block; margin-bottom: 14px; }
label.fld .lab { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; font-family: var(--font-body); font-size: 14px; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 11px;
  padding: 11px 13px; transition: .15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201,169,106,.12);
}
select option { background: var(--surface-2); }

/* ── Mensajes flash ───────────────────────────────────────────────────── */
.flash { padding: 13px 18px; border-radius: 12px; margin-bottom: 14px; font-size: 14px;
  border: 1px solid var(--line); display: flex; gap: 10px; align-items: center; }
.flash.success { color: var(--ok); border-color: rgba(111,207,151,.3); background: rgba(111,207,151,.08); }
.flash.error   { color: var(--danger); border-color: rgba(226,96,122,.3); background: rgba(226,96,122,.08); }
.flash.info    { color: var(--accent-soft); border-color: rgba(201,169,106,.3); background: rgba(201,169,106,.08); }

.section-title { display: flex; align-items: center; justify-content: space-between; margin: 8px 0 18px; }
.section-title h2 { font-size: 21px; }
.empty { color: var(--text-faint); font-size: 14px; padding: 30px; text-align: center; }

/* ── Login ────────────────────────────────────────────────────────────── */
.auth-wrap { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 100vh; }
.auth-art {
  position: relative; overflow: hidden; padding: 60px;
  display: flex; flex-direction: column; justify-content: space-between;
  background:
    radial-gradient(700px 400px at 70% 30%, rgba(201,169,106,.18), transparent 60%),
    radial-gradient(600px 500px at 20% 90%, rgba(181,116,155,.16), transparent 55%),
    var(--surface);
  border-right: 1px solid var(--line-soft);
}
.auth-art .quote { font-family: var(--font-display); font-size: 40px; line-height: 1.18;
  font-weight: 400; max-width: 520px; font-style: italic; }
.auth-art .quote em { color: var(--accent-soft); font-style: italic; }
.auth-form { display: grid; place-items: center; padding: 40px; }
.auth-card { width: 100%; max-width: 380px; }
.auth-card h1 { font-size: 30px; margin-bottom: 6px; }
.auth-card p.sub { color: var(--text-faint); margin-bottom: 28px; }

/* ── Visor de cámaras ─────────────────────────────────────────────────── */
.video-shell {
  background: #000; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; aspect-ratio: 16 / 9; position: relative;
}
.video-shell video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.video-shell .ph { position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--text-faint); font-size: 14px; text-align: center; padding: 20px; }
.seg-list { display: flex; flex-direction: column; gap: 8px; max-height: 420px; overflow: auto; }
.seg {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px; border: 1px solid var(--line-soft); border-radius: 10px;
  background: var(--surface-2); cursor: pointer; transition: .15s; font-size: 13px;
}
.seg:hover { border-color: var(--accent); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger);
  box-shadow: 0 0 0 0 rgba(226,96,122,.6); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(226,96,122,.55)} 70%{box-shadow:0 0 0 8px rgba(226,96,122,0)} 100%{box-shadow:0 0 0 0 rgba(226,96,122,0)} }

/* ── Animación de entrada ─────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(10px); animation: rise .5s ease forwards; }
.reveal:nth-child(2){animation-delay:.05s}.reveal:nth-child(3){animation-delay:.1s}
.reveal:nth-child(4){animation-delay:.15s}.reveal:nth-child(5){animation-delay:.2s}
@keyframes rise { to { opacity: 1; transform: none; } }

@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .grid.cols-4 { grid-template-columns: repeat(2,1fr); }
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .auth-wrap { grid-template-columns: 1fr; } .auth-art { display: none; }
  .week { grid-template-columns: 1fr; }
  .content, .topbar { padding-left: 18px; padding-right: 18px; }
}