:root {
    --azul: #1d4ed8;
    --azul-osc: #1e3a8a;
    --verde: #16a34a;
    --naranja: #ea580c;
    --rojo: #dc2626;
    --gris-bg: #f1f5f9;
    --gris-borde: #e2e8f0;
    --texto: #1e293b;
    --texto-suave: #64748b;
    --blanco: #ffffff;
    --radio: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--gris-bg);
    color: var(--texto);
}

a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Layout Admin ===== */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 230px;
    background: var(--azul-osc);
    color: #fff;
    flex-shrink: 0;
    padding: 20px 0;
}

.sidebar h1 {
    font-size: 18px;
    padding: 0 20px 20px;
    margin: 0;
    border-bottom: 1px solid rgba(255,255,255,.15);
}

.sidebar nav a {
    display: block;
    color: #cbd5e1;
    padding: 12px 20px;
    font-size: 15px;
}

.sidebar nav a:hover,
.sidebar nav a.activo {
    background: rgba(255,255,255,.1);
    color: #fff;
    text-decoration: none;
}

.main {
    flex: 1;
    padding: 28px 32px;
    max-width: 1200px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.topbar h2 { margin: 0; }

.btn {
    display: inline-block;
    background: var(--azul);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}
.btn:hover { background: var(--azul-osc); text-decoration: none; color: #fff; }
.btn.rojo { background: var(--rojo); }
.btn.rojo:hover { background: #b91c1c; }
.btn.gris { background: #64748b; }
.btn.gris:hover { background: #475569; }
.btn.verde { background: var(--verde); }
.btn.verde:hover { background: #15803d; }
.btn.sm { padding: 6px 12px; font-size: 13px; }

.card {
    background: #fff;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radio);
    padding: 20px;
    margin-bottom: 20px;
}

.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat {
    background: #fff;
    border-radius: var(--radio);
    padding: 18px 20px;
    border: 1px solid var(--gris-borde);
}
.stat .num { font-size: 30px; font-weight: 700; }
.stat .label { color: var(--texto-suave); font-size: 13px; }

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--gris-borde);
    font-size: 14px;
}
th { background: #f8fafc; font-weight: 600; color: var(--texto-suave); }
tr:hover td { background: #f8fafc; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge.entrada { background: #dcfce7; color: #166534; }
.badge.salida { background: #fef3c7; color: #92400e; }
.badge.activo { background: #dcfce7; color: #166534; }
.badge.inactivo { background: #fee2e2; color: #991b1b; }

form.form-box { max-width: 480px; }
.form-box label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--texto-suave);
}
.form-box input,
.form-box select {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 16px;
    border: 1px solid var(--gris-borde);
    border-radius: 8px;
    font-size: 15px;
}

.alerta {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 14px;
}
.alerta.ok { background: #dcfce7; color: #166534; }
.alerta.error { background: #fee2e2; color: #991b1b; }

.filtros {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: 18px;
}
.filtros label { display: block; font-size: 13px; color: var(--texto-suave); margin-bottom: 4px; }
.filtros input, .filtros select { padding: 8px 10px; border: 1px solid var(--gris-borde); border-radius: 6px; }

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a8a, #1d4ed8);
}
.login-box {
    background: #fff;
    padding: 36px 32px;
    border-radius: 16px;
    width: 340px;
    box-shadow: 0 20px 40px rgba(0,0,0,.25);
}
.login-box h1 { text-align: center; font-size: 20px; margin-top: 0; }
.login-box .btn { width: 100%; padding: 12px; font-size: 15px; }

@media print {
    .no-print { display: none !important; }
    .sidebar { display: none !important; }
    .main { padding: 0; }
}

/* ===== Kiosko (tablet) ===== */
.kiosk-body {
    margin: 0;
    height: 100vh;
    width: 100vw;
    background: linear-gradient(160deg, #0f172a, #1e3a8a);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    overflow: hidden;
    user-select: none;
}

.kiosk-header {
    text-align: center;
    margin-bottom: 18px;
}
.kiosk-header h1 { margin: 0 0 4px; font-size: 26px; font-weight: 700; }
.kiosk-clock { font-size: 46px; font-weight: 700; letter-spacing: 1px; }
.kiosk-date { font-size: 16px; opacity: .8; text-transform: capitalize; }

.kiosk-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    background: rgba(255,255,255,.1);
    padding: 6px;
    border-radius: 999px;
}
.kiosk-tabs button {
    border: none;
    background: transparent;
    color: #fff;
    padding: 12px 26px;
    border-radius: 999px;
    font-size: 16px;
    cursor: pointer;
    opacity: .7;
}
.kiosk-tabs button.activo {
    background: #fff;
    color: #1e3a8a;
    opacity: 1;
    font-weight: 700;
}

.kiosk-panel {
    background: rgba(255,255,255,.06);
    border-radius: 24px;
    padding: 30px;
    width: min(92vw, 480px);
    text-align: center;
}

#qr-reader {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
}

.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}
.keypad button {
    padding: 22px 0;
    font-size: 26px;
    border-radius: 14px;
    border: none;
    background: rgba(255,255,255,.12);
    color: #fff;
    cursor: pointer;
}
.keypad button:active { background: rgba(255,255,255,.3); }
.keypad button.accion { background: var(--azul); font-size: 18px; }
.keypad button.borrar { background: var(--rojo); font-size: 18px; }

.codigo-display {
    font-size: 40px;
    letter-spacing: 8px;
    min-height: 54px;
    margin-bottom: 6px;
    font-weight: 700;
}
.codigo-hint { opacity: .7; font-size: 14px; margin-bottom: 14px; }

.kiosk-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.55);
    z-index: 50;
}
.kiosk-overlay.visible { display: flex; }
.overlay-card {
    background: #fff;
    color: #1e293b;
    border-radius: 24px;
    padding: 40px 46px;
    text-align: center;
    width: min(90vw, 420px);
    animation: pop .25s ease;
}
@keyframes pop { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.overlay-card .icono {
    width: 74px; height: 74px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px; font-size: 38px; color: #fff;
}
.overlay-card .icono.entrada { background: var(--verde); }
.overlay-card .icono.salida { background: var(--naranja); }
.overlay-card .icono.error { background: var(--rojo); }
.overlay-card h2 { margin: 0 0 4px; font-size: 22px; }
.overlay-card p { margin: 4px 0; color: var(--texto-suave); }
.overlay-card .hora { font-size: 20px; font-weight: 700; color: var(--texto); }

.kiosk-footer {
    margin-top: 18px;
}
.kiosk-footer a { color: rgba(255,255,255,.5); font-size: 12px; }