:root {
    --navy: #102a43;
    --navy-deep: #071a2c;
    --teal: #16a394;
    --teal-dark: #0e7f74;
    --surface: #ffffff;
    --canvas: #f3f7fa;
    --text: #243b53;
    --muted: #6b7c8f;
    --line: #dce6ed;
    --danger: #c43d4b;
    --shadow: 0 14px 38px rgba(16, 42, 67, .09);
}

* { box-sizing: border-box; }
body.portal-body { margin: 0; background: var(--canvas); color: var(--text); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.portal-topbar { background: linear-gradient(120deg, var(--navy-deep), var(--navy)); color: #fff; box-shadow: 0 6px 20px rgba(7, 26, 44, .18); }
.portal-nav { max-width: 1240px; min-height: 74px; margin: auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.portal-brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; }
.portal-brand:hover { color: #fff; text-decoration: none; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(145deg, #25c7b5, var(--teal)); font-weight: 800; letter-spacing: -.04em; }
.brand-copy strong, .brand-copy small { display: block; }
.brand-copy strong { font-size: 1rem; letter-spacing: .01em; }
.brand-copy small { color: #b8c9d6; font-size: .75rem; margin-top: 2px; }
.portal-user { display: flex; align-items: center; gap: 14px; }
.user-copy { text-align: right; line-height: 1.15; }
.user-copy strong, .user-copy small { display: block; }
.user-copy strong { font-size: .88rem; }
.user-copy small { color: #b8c9d6; margin-top: 4px; text-transform: capitalize; }
.portal-main { max-width: 1240px; margin: 0 auto; padding: 34px 24px 60px; }
.page-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 22px; }
.page-heading h1 { color: var(--navy); font-size: 1.65rem; letter-spacing: -.025em; margin: 0; }
.page-heading p { color: var(--muted); margin: 6px 0 0; }

.portal-body form, .portal-body #dtable_wrapper, .portal-body .alert { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
.portal-body form { width: 100%; max-width: 720px; padding: 26px; }
.portal-body .form-group { margin-bottom: 19px; }
.portal-body label { color: var(--navy); font-size: .84rem; font-weight: 700; margin-bottom: 7px; }
.portal-body .form-control { min-height: 45px; border: 1px solid #cbd9e2; border-radius: 9px; color: var(--text); transition: border-color .2s, box-shadow .2s; }
.portal-body .form-control:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(22, 163, 148, .13); }
.portal-body .btn { border-radius: 9px; font-weight: 700; padding: .62rem 1rem; border: 0; }
.portal-body .btn-success, .portal-body .btn-primary { background: var(--teal); }
.portal-body .btn-success:hover, .portal-body .btn-primary:hover { background: var(--teal-dark); }
.portal-body .btn-outline-light { border: 1px solid rgba(255,255,255,.38); color: #fff; }
.portal-body .btn-outline-light:hover { background: #fff; color: var(--navy); }

.portal-body #dtable_wrapper { padding: 22px; overflow: hidden; }
.portal-body table.dataTable { border-collapse: separate !important; border-spacing: 0; width: 100% !important; }
.portal-body table.dataTable thead th { border-bottom: 1px solid var(--line); color: var(--navy); font-size: .76rem; letter-spacing: .045em; padding: 13px 10px; text-transform: uppercase; }
.portal-body table.dataTable tbody td { border-top: 1px solid #edf2f6; padding: 15px 10px; vertical-align: middle; }
.portal-body table.dataTable tbody tr:first-child td { border-top: 0; }
.portal-body table.dataTable tbody tr:hover { background: #f5fbfa; }
.portal-body a { color: var(--teal-dark); font-weight: 600; }
.portal-body .dataTables_filter input, .portal-body .dataTables_length select { border: 1px solid #cbd9e2; border-radius: 8px; padding: 7px 10px; background: #fff; }
.portal-body .dataTables_info, .portal-body .dataTables_length, .portal-body .dataTables_filter { color: var(--muted); font-size: .86rem; margin-bottom: 12px; }
.portal-body .dataTables_paginate { margin-top: 15px; }
.portal-body .dataTables_wrapper .dataTables_paginate .paginate_button { border: 0 !important; border-radius: 7px; }
.portal-body .dataTables_wrapper .dataTables_paginate .paginate_button.current { background: var(--navy) !important; color: #fff !important; }
.portal-body .alert { padding: 18px 20px; }
.portal-footer { color: var(--muted); font-size: .8rem; text-align: center; padding: 20px 24px 32px; }

body.auth-body { min-height: 100vh; margin: 0; display: grid; place-items: center; padding: 24px; color: var(--text); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: radial-gradient(circle at 15% 10%, rgba(37,199,181,.23), transparent 30%), linear-gradient(135deg, var(--navy-deep), #163b5c); }
.auth-card { width: min(100%, 440px); background: rgba(255,255,255,.98); border-radius: 22px; padding: 36px; box-shadow: 0 30px 80px rgba(0,0,0,.25); }
.auth-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 30px; }
.auth-brand .brand-copy small { color: var(--muted); }
.auth-card h1 { color: var(--navy); font-size: 1.75rem; letter-spacing: -.03em; margin: 0; }
.auth-intro { color: var(--muted); margin: 8px 0 26px; line-height: 1.55; }
.auth-card form { border: 0; }
.auth-field { margin-bottom: 18px; }
.auth-field label { display: block; color: var(--navy); font-size: .84rem; font-weight: 700; margin-bottom: 7px; }
.auth-field input { width: 100%; height: 48px; border: 1px solid #cbd9e2; border-radius: 10px; padding: 0 14px; font: inherit; outline: none; }
.auth-field input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(22,163,148,.14); }
.auth-submit { width: 100%; height: 49px; margin-top: 5px; border: 0; border-radius: 10px; background: var(--teal); color: #fff; font-size: .96rem; font-weight: 750; cursor: pointer; box-shadow: 0 9px 24px rgba(22,163,148,.23); }
.auth-submit:hover { background: var(--teal-dark); }
.auth-error { background: #fff0f1; border: 1px solid #f2c4c9; border-radius: 9px; color: var(--danger); padding: 11px 13px; margin: 0 0 18px; font-size: .88rem; }

@media (max-width: 760px) {
    .portal-nav { min-height: 66px; padding: 0 16px; }
    .portal-main { padding: 24px 14px 45px; }
    .user-copy { display: none; }
    .page-toolbar { align-items: flex-start; flex-direction: column; }
    .portal-body #dtable_wrapper { padding: 14px; overflow-x: auto; }
    .portal-body .dataTables_filter { float: none; text-align: left; }
    .portal-body form { padding: 20px; }
    .auth-card { padding: 28px 22px; }
}