/*
 * Archivo: senseia/assets/styles.css
 * Resumen: Tema oscuro futurista del modulo SENSEIA.
 *          Fondo grafito profundo, acentos violeta/cian neon, tipografia Inter + JetBrains Mono.
 */

:root {
    --bg: #0b1120;            /* grafito profundo */
    --bg-2: #111a2e;          /* paneles */
    --bg-3: #16213a;          /* tarjetas */
    --line: #24304d;
    --ink: #e6ecf7;
    --dim: #8b9bb8;
    --violet: #8b5cf6;        /* acento principal */
    --violet-2: #6d28d9;
    --cyan: #22d3ee;          /* acento secundario */
    --glow-v: rgba(139, 92, 246, 0.35);
    --glow-c: rgba(34, 211, 238, 0.25);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(1200px 500px at 80% -10%, rgba(109, 40, 217, 0.25), transparent 60%),
        radial-gradient(900px 400px at 10% 110%, rgba(34, 211, 238, 0.12), transparent 60%),
        var(--bg);
    background-attachment: fixed;
    font-family: 'Inter', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Top bar ===== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 24px;
    background: rgba(11, 17, 32, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 0 30px var(--glow-v);
}

.brand { font-size: 20px; font-weight: 800; letter-spacing: 1px; }
.brand-glow {
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 24px var(--glow-v);
}
.brand-sub { color: var(--dim); font-size: 13px; font-weight: 400; }
.subtitle { color: var(--dim); font-size: 12px; }

.nav-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.nav-btn {
    color: var(--ink);
    border: 1px solid var(--line);
    background: transparent;
}
.nav-btn:hover { border-color: var(--violet); color: #fff; box-shadow: 0 0 12px var(--glow-v); }
.btn-salir { background: var(--violet-2); border: 0; color: #fff; }
.btn-salir:hover { background: var(--violet); color: #fff; }

.session-bar {
    padding: 6px 24px;
    font-size: 13px;
    color: var(--cyan);
    background: rgba(34, 211, 238, 0.06);
    border-bottom: 1px solid var(--line);
}

/* ===== Layout ===== */
.page-wrap { max-width: 1240px; margin: 0 auto; padding: 28px 24px; width: 100%; flex: 1; }
.panel {
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}
.narrow { max-width: 460px; margin: 64px auto; }

.text-dim { color: var(--dim); }
.muted-small { color: var(--dim); font-size: 12px; }

.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 22px 0 14px;
}

/* ===== Tarjetas ===== */
.card-link { text-decoration: none; color: inherit; display: block; height: 100%; }
.card-tile {
    background: var(--bg-3);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 22px;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card-tile::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    opacity: 0.7;
}
.card-tile i { font-size: 30px; display: block; margin-bottom: 12px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    -webkit-background-clip: text; background-clip: text; color: transparent; }
.card-tile h2, .card-tile h3 { color: var(--ink); }
.card-link:hover .card-tile {
    transform: translateY(-3px);
    border-color: var(--violet);
    box-shadow: 0 0 30px var(--glow-v);
}

/* ===== Metricas ===== */
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metric {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px;
    background: var(--bg-3);
}
.metric span { color: var(--dim); font-size: 12px; }
.metric strong { display: block; font-size: 24px; margin-top: 4px; font-family: 'JetBrains Mono', monospace; color: var(--cyan); }

/* ===== Login ===== */
.login-hero {
    text-align: center;
    margin-bottom: 26px;
}
.login-hero .logo {
    font-size: 42px; font-weight: 800; letter-spacing: 3px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    text-shadow: 0 0 40px var(--glow-v);
}
.form-control, .form-select {
    background: var(--bg);
    border: 1px solid var(--line);
    color: var(--ink);
}
.form-control:focus {
    background: var(--bg);
    border-color: var(--violet);
    color: var(--ink);
    box-shadow: 0 0 0 0.2rem var(--glow-v);
}
.form-control::placeholder { color: #5a6a8a; }
.form-label { color: var(--dim); }
.btn-primary {
    background: linear-gradient(90deg, var(--violet-2), var(--violet));
    border: 0;
}
.btn-primary:hover { box-shadow: 0 0 20px var(--glow-v); background: var(--violet); }

/* ===== Tablas ===== */
.table { color: var(--ink); --bs-table-bg: transparent; --bs-table-color: var(--ink); }
.table thead th { color: var(--cyan); border-color: var(--line); font-size: 13px; }
.table td { border-color: var(--line); }
.table-striped > tbody > tr:nth-of-type(odd) > * { background: rgba(255,255,255,0.02); color: var(--ink); }
.table-hover > tbody > tr:hover > * { background: rgba(139, 92, 246, 0.08); color: var(--ink); }

.badge-ok { background: rgba(34, 211, 238, 0.15); color: var(--cyan); border: 1px solid var(--cyan); }
.badge-fail { background: rgba(244, 63, 94, 0.15); color: #fb7185; border: 1px solid #fb7185; }
.badge-block { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid #fbbf24; }

/* ===== Roadmap ===== */
.roadmap { position: relative; padding-left: 28px; }
.roadmap::before {
    content: ''; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px;
    background: linear-gradient(180deg, var(--violet), var(--cyan));
}
.roadmap-item { position: relative; padding: 0 0 22px 14px; }
.roadmap-item::before {
    content: ''; position: absolute; left: -25px; top: 4px; width: 14px; height: 14px;
    border-radius: 50%; background: var(--bg); border: 3px solid var(--violet);
}
.roadmap-item.done::before { background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 12px var(--glow-c); }
.roadmap-item h4 { font-size: 16px; margin-bottom: 2px; }
.roadmap-item .fase { font-family: 'JetBrains Mono', monospace; color: var(--cyan); font-size: 12px; }

/* ===== Footer ===== */
.footer-senseia {
    border-top: 1px solid var(--line);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--dim);
    font-size: 13px;
    background: rgba(11, 17, 32, 0.7);
}

/* ===== Alerts ===== */
.alert { border: 1px solid var(--line); }
.alert-danger { background: rgba(244, 63, 94, 0.12); color: #fb7185; border-color: #fb7185; }
.alert-warning { background: rgba(245, 158, 11, 0.12); color: #fbbf24; border-color: #fbbf24; }
.alert-info { background: rgba(34, 211, 238, 0.1); color: var(--cyan); border-color: var(--cyan); }

.dropdown-menu-dark { background: var(--bg-3); border: 1px solid var(--line); }
.dropdown-menu-dark .dropdown-item:hover { background: rgba(139, 92, 246, 0.15); }

@media (max-width: 860px) {
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .topbar { align-items: flex-start; flex-direction: column; }
}