/* =========================================================
   OAU Career Services Centre — Certificate Portal
   Brand palette derived from the event flyer / certificate:
     Navy   : #0B1F4E
     Gold   : #F2B705
     Red    : #B01C2E
     Cream  : #FBF9F2
========================================================= */

:root {
    --navy: #0B1F4E;
    --navy-dark: #071433;
    --gold: #F2B705;
    --gold-dark: #d9a400;
    --red: #B01C2E;
    --cream: #FBF9F2;
    --gray-text: #5b6272;
    --border-light: #e6e6e6;
    --success: #1e8e3e;
    --danger: #B01C2E;
    --radius: 10px;
    --shadow: 0 4px 20px rgba(11, 31, 78, 0.08);
    --shadow-lg: 0 10px 40px rgba(11, 31, 78, 0.14);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--cream);
    color: #1a1a1a;
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------------- Top bar ---------------- */
.topbar {
    background: var(--navy);
    color: #fff;
    padding: 10px 0;
    font-size: 13px;
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.topbar .tagline {
    color: var(--gold);
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ---------------- Header ---------------- */
header.site-header {
    background: #fff;
    border-bottom: 3px solid var(--gold);
    box-shadow: var(--shadow);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
}
.header-inner img.logo {
    height: 56px;
    width: auto;
    flex-shrink: 0;
}
.header-text h1 {
    margin: 0;
    font-size: 20px;
    color: var(--navy);
    letter-spacing: 0.3px;
}
.header-text p {
    margin: 2px 0 0;
    font-size: 13px;
    color: var(--red);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ---------------- Hero / Banner ---------------- */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: #fff;
    overflow: hidden;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 36px;
    padding: 56px 0;
}
.hero-content .eyebrow {
    display: inline-block;
    background: var(--gold);
    color: var(--navy-dark);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 30px;
    margin-bottom: 16px;
}
.hero-content h2 {
    font-size: 34px;
    line-height: 1.25;
    margin: 0 0 14px;
}
.hero-content h2 span { color: var(--gold); }
.hero-content p.theme {
    font-size: 15px;
    color: #d7ddef;
    margin-bottom: 24px;
    font-style: italic;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 26px;
}
.hero-meta .meta-item {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    padding: 10px 16px;
    font-size: 13px;
    min-width: 140px;
}
.hero-meta .meta-item strong {
    display: block;
    color: var(--gold);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}
.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.3px;
    cursor: pointer;
    border: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
    background: var(--gold);
    color: var(--navy-dark);
}
.btn-primary:hover { background: var(--gold-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(242,183,5,0.35); }
.btn-outline {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}
.btn-outline:hover { background: #fff; color: var(--navy); }

.hero-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid rgba(255,255,255,0.15);
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

.compulsory-banner {
    background: var(--red);
    color: #fff;
    text-align: center;
    padding: 12px 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    font-size: 14px;
}

/* ---------------- Sections ---------------- */
section { padding: 56px 0; }
.section-title {
    text-align: center;
    margin-bottom: 36px;
}
.section-title h3 {
    font-size: 26px;
    color: var(--navy);
    margin: 0 0 8px;
}
.section-title p { color: var(--gray-text); max-width: 600px; margin: 0 auto; }
.section-title .bar {
    width: 60px;
    height: 4px;
    background: var(--gold);
    margin: 14px auto 0;
    border-radius: 4px;
}

/* ---------------- Registration form ---------------- */
.form-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 36px;
    max-width: 680px;
    margin: 0 auto;
    border-top: 5px solid var(--gold);
}
.form-row { margin-bottom: 20px; }
.form-row.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 6px;
    letter-spacing: 0.2px;
}
label .req { color: var(--red); }
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border-light);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fcfcfd;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--navy);
    box-shadow: 0 0 0 3px rgba(11,31,78,0.08);
    background: #fff;
}
.form-actions { margin-top: 8px; }
.form-actions .btn { width: 100%; text-align: center; background: var(--navy); color: #fff; }
.form-actions .btn:hover { background: var(--navy-dark); box-shadow: 0 8px 20px rgba(11,31,78,0.25); }
.form-note {
    font-size: 12.5px;
    color: var(--gray-text);
    margin-top: 14px;
    text-align: center;
}

/* ---------------- Alerts ---------------- */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-success { background: #e7f6ec; color: var(--success); border: 1px solid #b9e5c6; }
.alert-error   { background: #fdecee; color: var(--danger); border: 1px solid #f4c1c8; }
.alert-info    { background: #eef2fb; color: var(--navy); border: 1px solid #c9d6f5; }

.field-error { color: var(--danger); font-size: 12px; margin-top: 5px; }

/* ---------------- Info / Why attend cards ---------------- */
.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.info-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border-bottom: 4px solid var(--gold);
}
.info-card .icon {
    font-size: 30px;
    margin-bottom: 12px;
}
.info-card h4 { margin: 0 0 6px; color: var(--navy); font-size: 15px; }
.info-card p { margin: 0; font-size: 13px; color: var(--gray-text); }

/* ---------------- Footer ---------------- */
footer.site-footer {
    background: var(--navy-dark);
    color: #c7cee2;
    padding: 36px 0 20px;
    text-align: center;
    font-size: 13px;
}
footer.site-footer .tagline {
    color: var(--gold);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 13px;
}
footer.site-footer .copyright { margin-top: 14px; color: #7c85a3; font-size: 12px; }

/* ---------------- Thank-you page ---------------- */
.thankyou-card {
    background: #fff;
    max-width: 620px;
    margin: 60px auto;
    padding: 44px 36px;
    text-align: center;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border-top: 6px solid var(--gold);
}
.thankyou-card .check-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: #e7f6ec;
    color: var(--success);
    font-size: 36px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.thankyou-card h2 { color: var(--navy); margin-bottom: 10px; }
.reg-code-box {
    background: var(--cream);
    border: 1.5px dashed var(--gold-dark);
    border-radius: 8px;
    padding: 14px;
    margin: 24px 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: 1px;
}

/* ---------------- Admin (attendance) ---------------- */
.admin-shell { min-height: 100vh; background: var(--cream); }
.admin-topbar {
    background: var(--navy);
    color: #fff;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.admin-topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.admin-topbar .brand img { height: 34px; }
.admin-topbar a.logout { color: var(--gold); font-size: 13px; font-weight: 600; }
.admin-main { padding: 28px 24px; max-width: 1200px; margin: 0 auto; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--navy);
}
.stat-card.gold { border-left-color: var(--gold-dark); }
.stat-card.green { border-left-color: var(--success); }
.stat-card.red { border-left-color: var(--red); }
.stat-card .num { font-size: 28px; font-weight: 800; color: var(--navy); }
.stat-card .lbl { font-size: 12.5px; color: var(--gray-text); text-transform: uppercase; letter-spacing: 0.4px; }

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.search-bar input[type="text"] { flex: 1; min-width: 220px; }
.search-bar .btn { background: var(--navy); color: #fff; padding: 12px 22px; }
.search-bar .btn:hover { background: var(--navy-dark); }

.bulk-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #fff;
    border: 1.5px dashed var(--gold-dark);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
}
.bulk-bar .bulk-count {
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
    background: var(--cream);
    padding: 6px 12px;
    border-radius: 20px;
}
.bulk-bar .btn:disabled {
    background: #d8dade;
    color: #8a8f9a;
    cursor: not-allowed;
    opacity: 1;
}
table.attendance-table td input[type="checkbox"],
table.attendance-table th input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.table-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow-x: auto;
}
table.attendance-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 760px; }
table.attendance-table th {
    background: var(--navy);
    color: #fff;
    text-align: left;
    padding: 12px 14px;
    font-weight: 600;
    white-space: nowrap;
}
table.attendance-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}
table.attendance-table tr:hover td { background: #f9fafc; }
.badge { padding: 4px 10px; border-radius: 20px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.3px; }
.badge-pending { background: #fdf2d9; color: #a06800; }
.badge-present { background: #e7f6ec; color: var(--success); }
.badge-sent { background: #eaf0fd; color: var(--navy); }
.badge-notsent { background: #f4e6e8; color: var(--red); }

.btn-sm { padding: 7px 14px; font-size: 12.5px; border-radius: 20px; }
.btn-mark { background: var(--success); color: #fff; }
.btn-mark:hover { opacity: 0.9; }
.btn-resend { background: var(--navy); color: #fff; }
.btn-resend:hover { background: var(--navy-dark); }
.btn-disabled { background: #e2e2e2; color: #999; cursor: not-allowed; }

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    padding: 20px;
}
.login-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px 34px;
    width: 100%;
    max-width: 380px;
    border-top: 5px solid var(--gold);
    text-align: center;
}
.login-card img.logo { height: 60px; margin: 0 auto 14px; }
.login-card h2 { color: var(--navy); margin: 0 0 22px; font-size: 20px; }
.login-card .btn { width: 100%; background: var(--navy); color: #fff; margin-top: 6px; }
.login-card .btn:hover { background: var(--navy-dark); }

/* ---------------- Pagination ---------------- */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.pagination a, .pagination span {
    padding: 8px 13px;
    border-radius: 6px;
    font-size: 13px;
    background: #fff;
    border: 1px solid var(--border-light);
    color: var(--navy);
}
.pagination .active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ---------------- Signature upload cards ---------------- */
.sig-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin-bottom: 10px;
}
.sig-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
    border-top: 4px solid var(--gold);
}
.sig-card h4 { margin: 0 0 14px; color: var(--navy); font-size: 15px; }
.sig-preview {
    background: var(--cream);
    border: 1.5px dashed var(--border-light);
    border-radius: 8px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8px;
}
.sig-preview img { max-height: 90px; max-width: 100%; object-fit: contain; }
.sig-placeholder { font-size: 12.5px; color: #999; text-align: center; }
.sig-card input[type="file"] {
    width: 100%;
    font-size: 12.5px;
    padding: 8px;
    border: 1.5px solid var(--border-light);
    border-radius: 8px;
    background: #fcfcfd;
}

@media (max-width: 640px) {
    .sig-grid { grid-template-columns: 1fr; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; padding: 40px 0; }
    .hero-image { order: -1; max-height: 320px; }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .header-inner { padding: 12px 0; }
    .header-text h1 { font-size: 16px; }
    .header-text p { font-size: 11px; }
    .hero-content h2 { font-size: 26px; }
    .hero-meta { gap: 10px; }
    .hero-meta .meta-item { min-width: 45%; }
    .form-card { padding: 24px 18px; }
    .form-row.two-col { grid-template-columns: 1fr; gap: 0; }
    .info-grid { grid-template-columns: 1fr; }
    section { padding: 36px 0; }
    .admin-main { padding: 20px 14px; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .search-bar { flex-direction: column; }
    .search-bar .btn { width: 100%; }
}