/* ============================================================
   Pasaporte Digital Estudiantil — hoja de estilos
   ============================================================ */

:root {
    --verde: #1B7A43;
    --verde-osc: #145c32;
    --verde-claro: #e6f4ec;
    --amarillo: #b98200;
    --amarillo-claro: #fff7e0;
    --rojo: #b3261e;
    --rojo-claro: #fdeceb;
    --gris: #5f6964;
    --borde: #d9dedb;
    --texto: #1c2420;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--texto);
    background: #f4f6f5;
}

.container { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
.footer { text-align: center; color: var(--gris); font-size: 13px; padding: 24px; }
.muted { color: var(--gris); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, Consolas, monospace; }
.ta-r { text-align: right; }
.ta-c { text-align: center; }
.hidden { display: none !important; }
h1 { margin: 8px 0 4px; font-size: 26px; }
h2 { margin: 26px 0 10px; font-size: 19px; }
a { color: var(--verde); }

/* ---------- Navegación ---------- */
.nav {
    display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
    background: var(--verde); color: #fff; padding: 10px 18px;
}
.nav-brand { font-weight: 700; font-size: 17px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }
.nav-link { color: #d9efe1; text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: 14px; }
.nav-link:hover { background: rgba(255,255,255,.15); color: #fff; }
.nav-user { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.nav-user .btn-sm { background: rgba(255,255,255,.15); color: #fff; }

/* ---------- Botones y formularios ---------- */
.btn {
    display: inline-block; border: 1px solid var(--borde); background: #fff;
    color: var(--texto); padding: 8px 14px; border-radius: 8px; cursor: pointer;
    font-size: 14px; text-decoration: none; line-height: 1.2;
}
.btn:hover { background: #eef2f0; }
.btn-primary { background: var(--verde); border-color: var(--verde); color: #fff; }
.btn-primary:hover { background: var(--verde-osc); }
.btn-danger { background: var(--rojo); border-color: var(--rojo); color: #fff; }
.btn-danger:hover { background: #8f1d17; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; }

input, select, textarea {
    font: inherit; padding: 9px 11px; border: 1px solid var(--borde);
    border-radius: 8px; background: #fff; color: var(--texto); width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--verde-claro); border-color: var(--verde); }
label { display: block; margin: 14px 0 6px; font-weight: 600; font-size: 14px; }

.form-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 14px 0; }
.form-row input, .form-row select { width: auto; }
.filtros { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.filtros input[type="text"], .filtros select { width: auto; min-width: 180px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.upload-form { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0; align-items: center; }
.upload-form input[type="file"] { width: auto; border: none; padding: 6px 0; }

/* ---------- Alertas ---------- */
.alert { padding: 12px 16px; border-radius: 10px; margin: 14px 0; background: #eef2f0; border: 1px solid var(--borde); }
.alert-ok { background: var(--verde-claro); border-color: #b7dfc6; }
.alert-error { background: var(--rojo-claro); border-color: #efc2bf; }

/* ---------- Tablas ---------- */
.table {
    width: 100%; border-collapse: collapse; background: #fff;
    border-radius: 10px; overflow: hidden; margin: 12px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,.07);
}
.table th {
    background: #eaf0ec; text-align: left; padding: 10px 12px;
    font-size: 13px; text-transform: uppercase; letter-spacing: .4px; color: #3c473f;
}
.table td { padding: 10px 12px; border-top: 1px solid #edf1ee; font-size: 14.5px; }
.fila-inactiva { opacity: .55; }
.acciones { display: flex; gap: 6px; flex-wrap: wrap; }
.errores-lista { background: #fff; border: 1px solid var(--borde); border-radius: 10px; padding: 12px 12px 12px 34px; max-height: 420px; overflow: auto; }
.errores-lista li { margin: 4px 0; font-size: 14px; }

/* ---------- Tarjetas del panel ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 16px 0; }
.card { background: #fff; border-radius: 12px; padding: 18px; box-shadow: 0 1px 3px rgba(0,0,0,.07); }
.card-ok { background: var(--verde-claro); }
.card-num { font-size: 30px; font-weight: 800; color: var(--verde-osc); }
.card-label { color: var(--gris); font-size: 13px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.barra { background: #e6eae7; border-radius: 99px; height: 12px; overflow: hidden; min-width: 110px; }
.barra span { display: block; height: 100%; background: var(--verde); border-radius: 99px; }
.barra-grande { height: 16px; }
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 99px;
    font-size: 12px; font-weight: 700; background: #e0e5e2; color: #3c473f;
}
.badge-ok { background: var(--verde-claro); color: var(--verde-osc); }
.badge-warn { background: var(--amarillo-claro); color: var(--amarillo); }

/* ---------- Login ---------- */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; background: linear-gradient(160deg, var(--verde-osc), var(--verde)); }
.login-card {
    background: #fff; border-radius: 16px; padding: 34px 30px; width: min(400px, 92vw);
    box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.login-card h1 { text-align: center; margin-bottom: 2px; }
.login-card p { text-align: center; margin-top: 0; }
.login-card .btn { margin-top: 20px; }

/* ---------- Escáner ---------- */
.escaner-body { background: #101613; min-height: 100vh; margin: 0; }
.escaner-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; color: #fff; background: #0a0f0c;
}
.escaner-header a { color: #9fe0b8; }
.escaner-main { max-width: 620px; margin: 0 auto; padding: 14px 14px 60px; }
.actividad-banner {
    background: var(--verde); color: #fff; font-weight: 700;
    text-align: center; padding: 10px; font-size: 17px;
}
.actividad-selector { padding: 10px 14px; background: #0a0f0c; color: #fff; }
.actividad-selector select { margin-top: 6px; }
.lector {
    border-radius: 14px; overflow: hidden; background: #000;
    min-height: 240px; margin-top: 14px; border: 2px solid #233329;
}
.lector video { width: 100% !important; border-radius: 14px; }

.resultado {
    border-radius: 14px; padding: 18px; margin-top: 14px;
    font-size: 18px; font-weight: 700; animation: pop .18s ease-out;
}
.resultado .sub { display: block; font-size: 14px; font-weight: 400; margin-top: 6px; opacity: .85; }
.resultado-ok { background: #0f5c31; color: #c9f2d9; border: 2px solid #1e9c58; }
.resultado-duplicado { background: #6b5000; color: #ffe9ad; border: 2px solid #b98200; }
.resultado-error { background: #611f1b; color: #ffd8d5; border: 2px solid #b3261e; }
@keyframes pop { from { transform: scale(.96); opacity: .4; } to { transform: scale(1); opacity: 1; } }

.escaner-body .busqueda { margin-top: 22px; color: #d7e2da; }
.escaner-body .busqueda h2 { color: #fff; font-size: 16px; }
.res-alumno {
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    background: #17201b; border: 1px solid #26332b; color: #e8efe9;
    border-radius: 12px; padding: 10px 14px; margin-top: 8px;
}
.res-alumno .datos b { display: block; font-size: 15px; }
.res-alumno .datos span { font-size: 12.5px; color: #9db3a4; }

/* ---------- Vista del alumno ---------- */
.alumno-body { background: linear-gradient(160deg, var(--verde-osc), var(--verde)); min-height: 100vh; margin: 0; }
.alumno-card {
    max-width: 430px; margin: 0 auto; background: #fff; border-radius: 20px;
    padding: 26px; text-align: center; min-height: 100vh;
}
.alumno-qr img { width: 230px; height: 230px; }
.avance-texto { font-size: 19px; font-weight: 800; color: var(--verde-osc); margin-top: 18px; }
.lista-actividades { list-style: none; padding: 0; margin: 14px 0; text-align: left; }
.lista-actividades li { padding: 10px 12px; border-bottom: 1px solid #edf1ee; font-size: 15px; }
.lista-actividades .icono { margin-right: 6px; }

/* ---------- Paginador ---------- */
.pagination { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }
.pagination a, .pagination strong {
    padding: 6px 12px; border-radius: 8px; background: #fff; border: 1px solid var(--borde);
    text-decoration: none; color: var(--texto); font-size: 14px;
}
.pagination strong { background: var(--verde); color: #fff; border-color: var(--verde); }