:root {
    --bg: #edf1f7;
    --bg-alt: #f4f6fa;
    --surface: rgba(255, 255, 255, 0.88);
    --surface-strong: #ffffff;
    --line: rgba(15, 23, 42, 0.15);
    --text: #000000;
    --muted: #3d4654;
    --brand: #2E78B7;
    --brand-dark: #1e5a8e;
    --accent: #2E78B7;
    --success: #15803d;
    --warning: #b45309;
    --radius: 24px;
    --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top right, rgba(46, 120, 183, 0.16), transparent 28%),
        linear-gradient(145deg, #edf1f7 0%, #f4f6fa 100%);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

/* Layout */
.layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    padding: 28px 22px;
    background: rgba(30, 70, 115, 0.95);
    color: #eff6f6;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 24px;
}

.brand-mark {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, #5ba3d9, #2E78B7);
    color: #ffffff;
    font-weight: 800;
    font-size: 1.4rem;
}

.brand small,
.sidebar-block small { color: rgba(239, 246, 246, 0.72); display: block; }

.sidebar-block,
.sidebar-nav a,
.panel,
.info-card,
.metric-card,
.auth-card,
.flash {
    border-radius: var(--radius);
}

.sidebar-block {
    padding: 16px 18px;
    background: rgba(255, 255, 255, 0.08);
    margin-bottom: 18px;
}

.sidebar-label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(239, 246, 246, 0.62);
}

.sidebar-nav {
    display: grid;
    gap: 10px;
}

.sidebar-nav a {
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-weight: 600;
    transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
    cursor: pointer;
}

.sidebar-nav a:hover,
.sidebar-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateX(2px);
    outline: none;
}

.content-area { padding: 28px; }

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: start;
    margin-bottom: 22px;
}

.page-title {
    margin: 4px 0 0;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.02;
}

.eyebrow {
    margin: 0;
    color: var(--accent);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-chip {
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: 18px;
}

.user-chip small { color: var(--muted); display: block; }

.page-shell {
    display: grid;
    gap: 24px;
}

/* Panels and cards */
.panel,
.info-card,
.metric-card,
.auth-card,
.flash,
.stack-card {
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.panel,
.info-card,
.auth-card { padding: 24px; }

.panel-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: start;
    margin-bottom: 14px;
}

.panel-head h2 { margin: 0; font-size: 1.35rem; }

.lead,
.metric-label,
.data-list span,
.stack-card span,
.meta-row,
.panel p { color: var(--muted); }

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

/* Buttons */
.button {
    padding: 11px 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.10);
    outline: none;
}

.button.primary {
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    color: #fff;
}

.button.secondary {
    background: rgba(11, 93, 107, 0.08);
    border: 1px solid rgba(11, 93, 107, 0.25);
    color: var(--brand-dark);
}

.button.secondary:hover,
.button.secondary:focus-visible {
    background: rgba(11, 93, 107, 0.15);
    border-color: rgba(11, 93, 107, 0.4);
}

.button-sm { padding: 8px 14px; font-size: 0.92rem; }

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(11, 93, 107, 0.1);
    color: var(--brand-dark);
    font-size: 0.84rem;
}

.badge.success { background: rgba(21, 128, 61, 0.12); color: var(--success); }
.badge.neutral { background: rgba(99, 112, 130, 0.12); color: var(--muted); }
.badge.danger { background: rgba(180, 35, 24, 0.12); color: #b42318; }

/* Tables */
.table-wrap { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 14px 10px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.12);
}

.data-table th { color: var(--muted); font-weight: 700; }
.data-table a { color: var(--brand-dark); }

.table-primary-link {
    font-weight: 700;
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
}

.table-primary-link:hover { color: var(--brand); }

.table-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.button-link {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border: 1px solid rgba(11, 93, 107, 0.25);
    background: rgba(11, 93, 107, 0.06);
    color: var(--brand-dark);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}

.button-link:hover {
    background: rgba(11, 93, 107, 0.14);
    border-color: rgba(11, 93, 107, 0.4);
}

.button-link.danger {
    color: #b42318;
    border-color: rgba(180, 35, 24, 0.25);
    background: rgba(180, 35, 24, 0.06);
}

.button-link.danger:hover {
    background: rgba(180, 35, 24, 0.12);
    border-color: rgba(180, 35, 24, 0.4);
}

/* Forms */
.crud-form { display: grid; gap: 10px; }
.crud-form small { color: var(--muted); }
.form-panel { max-width: 860px; }

.search-input,
.select-input,
.crud-form input:not([type="checkbox"]):not([type="radio"]),
.crud-form select,
.crud-form textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(15, 23, 42, 0.14);
    background: #fff;
}

.flash-wrap { display: grid; gap: 12px; }
.flash { padding: 14px 18px; }

/* ============================================
   LOGIN PAGE
   ============================================ */

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(46, 120, 183, 0.20), transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(46, 120, 183, 0.12), transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(30, 90, 142, 0.08), transparent 40%),
        linear-gradient(145deg, #edf1f7 0%, #f4f6fa 100%);
}

.login-container {
    width: 100%;
    max-width: 480px;
    padding: 24px;
}

.login-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 28px;
    box-shadow:
        0 24px 80px rgba(15, 23, 42, 0.12),
        0 4px 16px rgba(15, 23, 42, 0.06);
    padding: 48px 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand-mark {
    width: 64px;
    height: 64px;
    display: inline-grid;
    place-items: center;
    border-radius: 20px;
    background: linear-gradient(135deg, #5ba3d9, #2E78B7);
    color: #ffffff;
    font-weight: 800;
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.login-header h1 {
    margin: 0;
    font-size: 2rem;
    color: var(--brand-dark);
}

.login-header p {
    margin: 8px 0 0;
    color: var(--muted);
}

.login-form {
    display: grid;
    gap: 18px;
}

.login-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 0.9rem;
}

.login-field input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.14);
    background: #fff;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-field input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(11, 93, 107, 0.12);
}

.login-submit {
    width: 100%;
    padding: 14px;
    font-size: 1.05rem;
    margin-top: 8px;
}

.login-error {
    padding: 12px 16px;
    border-radius: 14px;
    background: rgba(180, 35, 24, 0.08);
    border: 1px solid rgba(180, 35, 24, 0.2);
    color: #b42318;
    font-weight: 600;
    text-align: center;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--muted);
    font-size: 0.85rem;
}

/* ============================================
   PORTAL CARDS
   ============================================ */

.portal-cards {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.portal-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 32px 28px;
    border-radius: 24px;
    background: var(--surface-strong);
    border: 1px solid var(--line);
    box-shadow:
        0 18px 50px rgba(15, 23, 42, 0.08),
        0 4px 12px rgba(15, 23, 42, 0.04);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
}

.portal-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--card-gradient);
    border-radius: 24px 24px 0 0;
}

.portal-card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 28px 70px rgba(15, 23, 42, 0.14),
        0 8px 24px rgba(15, 23, 42, 0.08);
    border-color: var(--card-color);
}

.portal-card-icon {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: var(--card-gradient);
    font-size: 1.8rem;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.portal-card-body {
    flex: 1;
}

.portal-card-body h2 {
    margin: 0 0 6px;
    font-size: 1.4rem;
    color: var(--text);
}

.portal-card-body p {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.5;
}

.portal-card-arrow {
    font-size: 1.6rem;
    color: var(--card-color);
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.portal-card:hover .portal-card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Admin links */
.admin-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.admin-link-card {
    padding: 18px 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.6);
    transition: background 0.18s, border-color 0.18s, transform 0.18s;
}

.admin-link-card:hover {
    background: rgba(11, 93, 107, 0.06);
    border-color: rgba(11, 93, 107, 0.25);
    transform: translateY(-2px);
}

.admin-link-card strong {
    display: block;
    margin-bottom: 4px;
    color: var(--brand-dark);
}

.admin-link-card span {
    color: var(--muted);
    font-size: 0.88rem;
}

/* Responsive */
@media (max-width: 1100px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { position: relative; height: auto; }
}

@media (max-width: 900px) {
    .portal-cards { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; }
    .admin-links { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .login-card { padding: 32px 24px; }
    .portal-card { flex-direction: column; text-align: center; padding: 28px 20px; }
    .portal-card-arrow { display: none; }
}