/* ============================================================
   Teacher Application — stylesheet
   Palette: deep academic maroon + warm parchment, restrained.
   ============================================================ */

:root {
    --maroon: #6e1f2b;
    --maroon-dark: #4f1620;
    --gold: #b6862c;
    --parchment: #faf6ee;
    --ink: #2a2420;
    --ink-soft: #6b6258;
    --line: #e2d9c8;
    --success: #1f7a4c;
    --success-bg: #e7f4ec;
    --danger: #a8332b;
    --danger-bg: #fbe9e7;
    --pending-bg: #fdf3df;
    --pending: #95680e;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(42, 36, 32, 0.08), 0 1px 2px rgba(42, 36, 32, 0.06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--parchment);
    color: var(--ink);
    font-family: 'Source Sans Pro', 'Segoe UI', Tahoma, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
}

h1, h2, h3, h4 {
    font-family: 'Georgia', 'Times New Roman', serif;
    color: var(--maroon-dark);
    margin: 0 0 .5em;
}

a { color: var(--maroon); }

.site-header {
    background: linear-gradient(180deg, var(--maroon) 0%, var(--maroon-dark) 100%);
    color: #fff;
    padding: 22px 0;
    border-bottom: 3px solid var(--gold);
}
.site-header .wrap { display: flex; align-items: center; gap: 16px; }
.site-header h1 { color: #fff; font-size: 1.4rem; margin: 0; }
.site-header p { margin: 2px 0 0; opacity: .85; font-size: .85rem; }
.site-header .crest {
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--gold); color: var(--maroon-dark);
    display: flex; align-items: center; justify-content: center;
    font-family: Georgia, serif; font-weight: bold; font-size: 1.2rem;
    flex-shrink: 0;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin: 24px 0;
}

.section-title {
    border-bottom: 2px solid var(--gold);
    padding-bottom: 8px;
    margin-bottom: 18px;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--maroon-dark);
}

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 700px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.field label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--ink-soft);
    margin-bottom: 4px;
}
.field label .req { color: var(--danger); }

input[type=text], input[type=email], input[type=tel], input[type=number],
input[type=date], input[type=password], select, textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid #cdbfa3;
    border-radius: var(--radius);
    background: #fffdf8;
    font-size: .95rem;
    color: var(--ink);
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--gold);
    outline-offset: 1px;
    border-color: var(--gold);
}
input[type=file] { width: 100%; padding: 6px 0; }
input[readonly] { background: #f4ede1; color: var(--ink); cursor: default; }
.hint { font-size: .78rem; color: var(--ink-soft); margin-top: 3px; }

table.data {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
    font-size: .9rem;
}
table.data th, table.data td {
    border: 1px solid var(--line);
    padding: 8px 10px;
    text-align: left;
}
table.data th { background: #f4ede1; color: var(--maroon-dark); }
table.data tr:nth-child(even) td { background: #fbf8f2; }

.btn {
    display: inline-block;
    padding: 11px 22px;
    border-radius: var(--radius);
    border: none;
    background: var(--maroon);
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}
.btn:hover { background: var(--maroon-dark); }
.btn-gold { background: var(--gold); color: var(--maroon-dark); }
.btn-gold:hover { background: #a07526; }
.btn-outline { background: transparent; color: var(--maroon); border: 1px solid var(--maroon); }
.btn-outline:hover { background: var(--maroon); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: .82rem; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #832621; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    font-size: .92rem;
}
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f1c7c2; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #bfe3cd; }
.alert-info { background: #eef3f7; color: #2a5a78; border: 1px solid #c9dceb; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: .76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.badge-paid { background: var(--success-bg); color: var(--success); }
.badge-pending { background: var(--pending-bg); color: var(--pending); }
.badge-failed { background: var(--danger-bg); color: var(--danger); }

.exp-row { display: grid; grid-template-columns: 2fr 1.3fr 1fr 1fr 1fr auto; gap: 8px; margin-bottom: 8px; align-items: end; }
@media (max-width: 900px) { .exp-row { grid-template-columns: 1fr 1fr; } }

.page-footer { text-align: center; padding: 30px 0; color: var(--ink-soft); font-size: .82rem; }

/* ---- Admin layout ---- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-nav {
    width: 220px; background: var(--maroon-dark); color: #f3e9d8; flex-shrink: 0;
    padding: 20px 0;
}
.admin-nav .brand { padding: 0 20px 18px; font-family: Georgia, serif; font-size: 1.1rem; border-bottom: 1px solid rgba(255,255,255,.12); margin-bottom: 12px; }
.admin-nav a {
    display: block; padding: 10px 20px; color: #e9dcc4; text-decoration: none; font-size: .9rem;
}
.admin-nav a:hover, .admin-nav a.active { background: rgba(255,255,255,.08); color: #fff; }
.admin-nav .nav-module-heading {
    margin-top: 14px; padding: 8px 20px 4px; font-size: .72rem; text-transform: uppercase;
    letter-spacing: .06em; color: #c9b890; opacity: .8;
}
.admin-nav .nav-sub { padding-left: 30px; font-size: .87rem; }

.module-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.module-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 20px; text-decoration: none; color: var(--ink);
}
.module-card:hover { border-color: var(--gold); }
.module-card .icon {
    width: 38px; height: 38px; border-radius: 8px; background: var(--maroon);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-family: Georgia, serif; font-weight: bold; margin-bottom: 12px;
}
.module-card h4 { margin: 0 0 4px; color: var(--maroon-dark); }
.module-card p { margin: 0; font-size: .85rem; color: var(--ink-soft); }
.admin-main { flex: 1; padding: 28px 32px; background: var(--parchment); }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }

.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
@media (max-width: 900px) { .stat-cards { grid-template-columns: 1fr 1fr; } }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.stat-card .num { font-size: 1.8rem; font-weight: 700; color: var(--maroon-dark); font-family: Georgia, serif; }
.stat-card .lbl { font-size: .8rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .03em; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.filters input, .filters select { width: auto; }

.login-wrap { max-width: 380px; margin: 90px auto; }

.id-photo { width: 110px; height: 130px; object-fit: cover; border: 1px solid var(--line); background: #fff; }
.sign-img { max-width: 180px; max-height: 70px; border: 1px solid var(--line); background: #fff; }

@media print {
    .no-print { display: none !important; }
    body { background: #fff; }
}