/* =====================================================================
   CIITIC — Sistema de Registro
   ===================================================================== */

:root {
    --bg-base:        #0a0e16;
    --bg-panel:       #121826;
    --bg-panel-alt:   #1a2235;
    --bg-input:       #0e1320;
    --line:           #263048;
    --line-soft:      #1b2333;
    --cian:           #00d9ff;
    --violeta:        #7b5cff;
    --azul-logo:      #4a6fa5;
    --texto:          #e8edf5;
    --texto-dim:      #94a3b8;
    --texto-faint:    #5b6b85;
    --exito:          #3ddc97;
    --exito-bg:       rgba(61,220,151,0.12);
    --alerta:         #ff5470;
    --alerta-bg:      rgba(255,84,112,0.12);
    --aviso:          #ffb347;
    --aviso-bg:       rgba(255,179,71,0.12);
    --radio: 3px;
    --fuente-display: 'JetBrains Mono', monospace;
    --fuente-cuerpo:  'Inter', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; background:var(--bg-base); color:var(--texto); font-family:var(--fuente-cuerpo); font-size:15px; line-height:1.55; min-height:100vh; }

/* Gradiente sutil de fondo */
body {
    background-image:
        radial-gradient(circle at 15% 50%, rgba(74,111,165,0.06) 0%, transparent 45%),
        radial-gradient(circle at 85% 20%, rgba(123,92,255,0.05) 0%, transparent 40%);
}

/* Grid de circuito muy sutil */
.fondo-circuito {
    position:fixed; inset:0; z-index:0; opacity:0.25; pointer-events:none;
    background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 70%);
}

/* ── Tipografía ── */
h1,h2,h3,h4 { font-family:var(--fuente-display); font-weight:600; letter-spacing:-0.01em; margin:0 0 .5em; color:#fff; }
a { color:var(--cian); text-decoration:none; }
a:hover { text-decoration:underline; }
p { margin:0 0 1em; color:var(--texto-dim); }
.mono { font-family:var(--fuente-display); }

/* ── Layout ── */
.contenedor         { max-width:1180px; margin:0 auto; padding:0 24px; }
.contenedor-angosto { max-width:520px;  margin:0 auto; padding:0 24px; }
main   { position:relative; z-index:1; }
footer { position:relative; z-index:1; border-top:1px solid var(--line); margin-top:60px; padding:28px 0; text-align:center; color:var(--texto-faint); font-size:13px; }

/* ── Topbar ── */
.topbar { border-bottom:1px solid var(--line); background:rgba(10,14,22,0.95); backdrop-filter:blur(12px); position:sticky; top:0; z-index:50; }
.topbar-inner { max-width:1180px; margin:0 auto; padding:0 24px; height:66px; display:flex; align-items:center; justify-content:space-between; }

.marca { display:flex; align-items:center; gap:10px; text-decoration:none; }
.marca:hover { text-decoration:none; }

/* Logo del topbar — brillo pulsante suave */
.marca-logo {
    width:38px; height:38px; object-fit:contain;
    animation:logoGlow 4s ease-in-out infinite;
}
@keyframes logoGlow {
    0%,100% { filter:drop-shadow(0 0 3px rgba(74,111,165,0.2)); }
    50%      { filter:drop-shadow(0 0 8px rgba(74,111,165,0.7)) drop-shadow(0 0 16px rgba(0,217,255,0.25)); }
}

.marca-texto { display:flex; flex-direction:column; line-height:1.15; }
.marca-nombre { font-family:var(--fuente-display); font-size:17px; font-weight:700; color:#fff; }
.marca-sub    { font-size:10px; color:var(--azul-logo); font-weight:500; letter-spacing:.05em; text-transform:uppercase; }

.nav-links { display:flex; gap:26px; align-items:center; font-size:14px; }
.nav-links a { color:var(--texto-dim); }
.nav-links a.activo { color:var(--cian); }

/* ── Hero logo (página principal y login) ── */
.hero-logo-wrap {
    position:relative; display:flex; align-items:center; justify-content:center;
    width:160px; height:160px; margin:0 auto 24px;
}
.hero-logo {
    width:90px; height:90px; object-fit:contain; position:relative; z-index:2;
    animation:heroPulse 4s ease-in-out infinite;
}
@keyframes heroPulse {
    0%,100% { filter:drop-shadow(0 0 10px rgba(74,111,165,0.3)); transform:scale(1); }
    50%      { filter:drop-shadow(0 0 22px rgba(74,111,165,0.8)) drop-shadow(0 0 40px rgba(0,217,255,0.2)); transform:scale(1.04); }
}
.hero-logo-ring {
    position:absolute; width:130px; height:130px;
    border:1px solid rgba(74,111,165,0.35); border-radius:50%;
    animation:ringGiro 9s linear infinite;
}
.hero-logo-ring::before {
    content:''; position:absolute; width:8px; height:8px;
    background:var(--cian); border-radius:50%;
    top:-4px; left:50%; transform:translateX(-50%);
    box-shadow:0 0 8px var(--cian);
}
.hero-logo-ring-2 {
    position:absolute; width:155px; height:155px;
    border:1px solid rgba(0,217,255,0.12); border-radius:50%;
    animation:ringGiro 15s linear infinite reverse;
}
@keyframes ringGiro { from{transform:rotate(0deg);} to{transform:rotate(360deg);} }

/* ── Auth ── */
.auth-wrap { min-height:calc(100vh - 66px); display:flex; align-items:center; justify-content:center; padding:40px 24px; position:relative; z-index:1; }
.auth-card { width:100%; max-width:440px; }
.auth-tabs { display:flex; gap:4px; background:var(--bg-panel-alt); border-radius:var(--radio); padding:4px; margin-bottom:20px; }
.auth-tabs a { flex:1; text-align:center; padding:9px 0; border-radius:3px; font-size:13.5px; font-weight:600; color:var(--texto-dim); }
.auth-tabs a.activo { background:var(--cian); color:#04141a; }
.auth-tabs a:hover { text-decoration:none; }

/* ── Botones ── */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:11px 22px; border-radius:var(--radio); font-family:var(--fuente-cuerpo); font-weight:600; font-size:14px; border:1px solid transparent; cursor:pointer; transition:transform .12s, box-shadow .12s; text-decoration:none; }
.btn:hover { transform:translateY(-1px); text-decoration:none; }
.btn:active { transform:translateY(0); }
.btn-primario   { background:var(--cian); color:#04141a; box-shadow:0 0 0 1px rgba(0,217,255,.4), 0 8px 24px -8px rgba(0,217,255,.5); }
.btn-primario:hover { box-shadow:0 0 0 1px var(--cian), 0 8px 28px -6px rgba(0,217,255,.6); }
.btn-secundario { background:transparent; border-color:var(--line); color:var(--texto); }
.btn-secundario:hover { border-color:var(--cian); color:var(--cian); }
.btn-violeta { background:var(--violeta); color:#fff; }
.btn-peligro { background:var(--alerta-bg); border-color:rgba(255,84,112,.4); color:var(--alerta); }
.btn-peligro:hover { border-color:var(--alerta); }
.btn-exito   { background:var(--exito-bg);  border-color:rgba(61,220,151,.4);  color:var(--exito); }
.btn-exito:hover  { border-color:var(--exito); }
.btn-sm    { padding:7px 14px; font-size:13px; }
.btn-bloque { width:100%; }
.btn[disabled] { opacity:.5; cursor:not-allowed; transform:none; }

/* ── Paneles ── */
.panel { background:var(--bg-panel); border:1px solid var(--line); border-radius:6px; padding:28px; position:relative; z-index:1; }
.panel-cabecera { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:20px; gap:16px; flex-wrap:wrap; }
.tarjeta { background:var(--bg-panel-alt); border:1px solid var(--line); border-radius:5px; padding:20px; }

/* ── Formularios ── */
.campo { margin-bottom:18px; }
.campo label { display:block; font-size:13px; font-weight:600; color:var(--texto-dim); margin-bottom:6px; }
.campo .ayuda { font-size:12.5px; color:var(--texto-faint); margin-top:5px; }
input[type=text],input[type=email],input[type=password],input[type=tel],
input[type=date],input[type=time],input[type=number],input[type=url],select,textarea {
    width:100%; background:var(--bg-input); border:1px solid var(--line); color:var(--texto);
    padding:11px 13px; border-radius:var(--radio); font-family:var(--fuente-cuerpo); font-size:14.5px; transition:border-color .15s;
}
input:focus,select:focus,textarea:focus { outline:none; border-color:var(--cian); box-shadow:0 0 0 3px rgba(0,217,255,.12); }
textarea { resize:vertical; min-height:110px; }
.grupo-fila { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.opciones-tipo { display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }
.opcion-tipo { position:relative; }
.opcion-tipo input { position:absolute; opacity:0; }
.opcion-tipo label { display:block; text-align:center; padding:16px 10px; border:1px solid var(--line); border-radius:var(--radio); cursor:pointer; font-size:14px; color:var(--texto-dim); margin:0; transition:all .15s; }
.opcion-tipo input:checked + label { border-color:var(--cian); color:var(--cian); background:rgba(0,217,255,.06); }
.archivo-input { border:1px dashed var(--line); border-radius:var(--radio); padding:18px; text-align:center; background:var(--bg-input); }

/* ── Badges ── */
.badge { display:inline-flex; align-items:center; gap:6px; padding:4px 10px; border-radius:20px; font-size:12px; font-weight:600; font-family:var(--fuente-display); white-space:nowrap; }
.badge::before { content:''; width:6px; height:6px; border-radius:50%; }
.badge-pendiente { background:var(--aviso-bg); color:var(--aviso); } .badge-pendiente::before { background:var(--aviso); }
.badge-aprobada  { background:var(--exito-bg);  color:var(--exito);  } .badge-aprobada::before  { background:var(--exito); }
.badge-rechazada { background:var(--alerta-bg); color:var(--alerta); } .badge-rechazada::before { background:var(--alerta); }
.badge-cambios   { background:rgba(123,92,255,.12); color:var(--violeta); } .badge-cambios::before { background:var(--violeta); }
.badge-tipo { background:var(--bg-panel-alt); color:var(--texto-dim); border:1px solid var(--line); }

/* ── Tablas ── */
table { width:100%; border-collapse:collapse; font-size:14px; }
th { text-align:left; font-family:var(--fuente-display); font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:var(--texto-faint); padding:10px 14px; border-bottom:1px solid var(--line); white-space:nowrap; }
td { padding:13px 14px; border-bottom:1px solid var(--line-soft); color:var(--texto); vertical-align:middle; }
tr:last-child td { border-bottom:none; }
tbody tr:hover { background:rgba(255,255,255,.02); }

/* ── Flash ── */
.flash { padding:13px 16px; border-radius:var(--radio); font-size:14px; margin-bottom:18px; border:1px solid transparent; }
.flash-exito { background:var(--exito-bg); color:var(--exito); border-color:rgba(61,220,151,.3); }
.flash-error { background:var(--alerta-bg); color:var(--alerta); border-color:rgba(255,84,112,.3); }
.flash-info  { background:rgba(0,217,255,.08); color:var(--cian); border-color:rgba(0,217,255,.25); }

/* ── Stats ── */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:28px; }
.stat-card { background:var(--bg-panel); border:1px solid var(--line); border-radius:6px; padding:18px 20px; transition:border-color .2s, transform .2s; }
.stat-card:hover { border-color:var(--azul-logo); transform:translateY(-2px); }
.stat-card .num { font-family:var(--fuente-display); font-size:28px; font-weight:700; color:#fff; line-height:1.1; }
.stat-card .lbl { font-size:12.5px; color:var(--texto-faint); margin-top:4px; text-transform:uppercase; letter-spacing:.03em; }
.stat-card.acento-cian .num    { color:var(--cian); }
.stat-card.acento-violeta .num { color:var(--violeta); }
.stat-card.acento-exito .num   { color:var(--exito); }

/* ── Programa ── */
.dia-bloque { margin-bottom:32px; }
.dia-titulo { display:flex; align-items:baseline; gap:12px; margin-bottom:14px; padding-bottom:10px; border-bottom:1px solid var(--line); }
.dia-titulo .fecha-num { font-size:22px; color:var(--cian); }
.sesion { display:grid; grid-template-columns:90px 1fr auto; gap:16px; align-items:center; padding:14px 0; border-bottom:1px solid var(--line-soft); }
.sesion:last-child { border-bottom:none; }
.sesion .hora { font-family:var(--fuente-display); color:var(--texto-dim); font-size:13.5px; }
.sesion .titulo-sesion { font-weight:600; color:#fff; margin-bottom:3px; }
.sesion .meta-sesion { font-size:13px; color:var(--texto-faint); }

/* ── Misc ── */
.muted { color:var(--texto-faint); }
.text-center { text-align:center; }
.flex-entre { display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; }
.separador { height:1px; background:var(--line); margin:24px 0; border:none; }
.vacio { text-align:center; padding:50px 20px; color:var(--texto-faint); border:1px dashed var(--line); border-radius:6px; }

/* ── Responsive ── */
@media (max-width:720px) {
    .grupo-fila { grid-template-columns:1fr; }
    .stats-grid { grid-template-columns:1fr 1fr; }
    .opciones-tipo { grid-template-columns:1fr; }
    .nav-links { gap:14px; font-size:13px; }
    .sesion { grid-template-columns:1fr; gap:6px; }
    th,td { padding:9px 8px; }
    .hero-logo { width:70px; height:70px; }
    .hero-logo-ring { width:100px; height:100px; }
    .hero-logo-ring-2 { width:120px; height:120px; }
    .hero-logo-wrap { width:130px; height:130px; }
}
@media (prefers-reduced-motion:reduce) { *{ animation:none !important; transition:none !important; } }