:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --ink: #1d2433;
    --muted: #667085;
    --line: #d9e0ea;
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --danger: #dc2626;
    --warning: #b45309;
    --success: #138a4a;
    --surface: #edf2f7;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    color: inherit;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    background: #111827;
    color: #e5e7eb;
    display: flex;
    flex-direction: column;
    padding: 22px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.brand {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--primary);
    font-weight: 800;
}

.brand strong,
.brand small {
    display: block;
}

.brand small,
.sidebar-footer {
    color: #9ca3af;
}

.nav {
    flex-shrink: 0;
    display: grid;
    gap: 8px;
}

.nav-group {
    border: 1px solid #334155;
    border-radius: 10px;
    background: #162032;
}

.nav-group-links {
    display: grid;
    gap: 4px;
    padding: 0 6px 6px;
}

.nav-group + .nav-group {
    margin-top: 2px;
}

.nav-group-title {
    padding: 13px 10px;
    color: #e2e8f0;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    line-height: 1.5;
}

.nav-group-title:hover {
    background: #1f2937;
    border-radius: 10px;
}

.nav a:focus-visible,
.nav-group-title:focus-visible {
    outline: 2px solid #93c5fd;
    outline-offset: -2px;
}

.nav-group-links a {
    font-size: 13px;
    padding: 10px 12px;
}

.nav a {
    padding: 12px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: #cbd5e1;
}

.nav a:hover,
.nav a.active {
    background: #1f2937;
    color: #ffffff;
}

.sidebar-footer {
    flex-shrink: 0;
    padding-top: 20px;
    margin-top: auto;
    display: grid;
    gap: 8px;
    font-size: 14px;
}

.sidebar-footer a {
    color: #ffffff;
    text-decoration: none;
}

.main {
    min-width: 0;
    max-width: 100%;
    overflow-x: hidden;
    margin-left: 260px;
    padding: 28px;
}

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

.eyebrow {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

.grid {
    display: grid;
    gap: 16px;
}

.stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.two-col {
    grid-template-columns: minmax(0, 1fr) 380px;
}

.card {
    min-width: 0;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 22px;
    box-shadow: 0 3px 14px rgba(15, 23, 42, .04);
    overflow: hidden;
}

.main > .card + .card { margin-top: 20px; }
.grid > * { min-width: 0; }
.main h1 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -.025em; }
.main h2 { font-size: 19px; line-height: 1.35; }

.stat strong {
    display: block;
    font-size: 30px;
}

.stat span,
.muted {
    color: var(--muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
}

.stats-grid .stat {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: linear-gradient(135deg, #fff, #f8fafc);
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.section-heading h2 { margin-bottom: 0; }

.reconciliation-table {
    max-width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow-x: auto;
}

.reconciliation-table table { min-width: 680px; }

.toolbar {
    flex-wrap: wrap;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.table-wrap {
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    background: #f1f5f9;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.stacked-form {
    display: grid;
    gap: 8px;
    min-width: 260px;
}

.stacked-form textarea {
    min-height: 96px;
    resize: vertical;
}

.btn,
button,
form .submit-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 42px;
    padding: 9px 16px;
    border: 0;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    font-weight: 700;
    text-decoration: none;
}

.btn:hover, button:hover:not(:disabled) { filter: brightness(.95); }
.btn:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}
input[type="checkbox"], input[type="radio"] { width: 18px; min-height: 18px; accent-color: var(--primary); }

.reconciliation-page { display: grid; gap: 24px; min-width: 0; }
.reconciliation-summary { border-top: 4px solid var(--primary); }
.reconciliation-summary .section-heading { flex-wrap: wrap; }
.reconciliation-summary .section-heading > div { flex: 1 1 280px; }
.reconciliation-summary .section-heading .btn { flex-shrink: 0; }
.reconciliation-totals { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 14px 0; margin-bottom: 16px; border-block: 1px solid var(--line); }
.reconciliation-totals strong { margin-left: 8px; color: var(--ink); }
.reconciliation-page .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.reconciliation-stat { display: flex; flex-direction: column; gap: 5px; color: var(--ink); text-decoration: none; }
.reconciliation-stat small { color: var(--muted); }
.reconciliation-stat:hover { border-color: var(--primary); box-shadow: 0 4px 16px #2563eb12; }
.reconciliation-stat:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }
.reconciliation-stat .stat-link { color: var(--primary-dark); font-size: 12px; font-weight: 700; margin-top: auto; padding-top: 8px; }
.reconciliation-section { scroll-margin-top: 20px; }
.reconciliation-section .section-heading { flex-wrap: wrap; }
.reconciliation-section .section-heading p { margin: 8px 0 0; }
.reconciliation-table th { white-space: normal; }
.reconciliation-table td, .reconciliation-page .alert { overflow-wrap: anywhere; }
.reconciliation-table tbody tr:last-child td { border-bottom: 0; }
.reconciliation-table tbody tr:hover { background: #f8fafc; }

@media (max-width: 1100px) {
    .reconciliation-page .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .reconciliation-page .stats-grid { grid-template-columns: minmax(0, 1fr); }
    .reconciliation-page .section-heading .btn { width: 100%; }
    .reconciliation-page .reconciliation-table { border: 0; overflow: visible; }
    .reconciliation-page .reconciliation-table table { min-width: 0; display: block; }
    .reconciliation-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
    .reconciliation-table tbody { display: grid; gap: 12px; }
    .reconciliation-table tr { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 4px 12px; }
    .reconciliation-table td[data-label] { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 12px; padding: 10px 0; }
    .reconciliation-table td[data-label]::before { content: attr(data-label); font-weight: 700; color: var(--muted); }
    .reconciliation-table td.empty { display: block; padding: 18px 8px; }
}

.btn.secondary,
button.secondary {
    background: #475569;
}

.btn.danger,
button.danger {
    background: var(--danger);
}

.btn.ghost {
    background: var(--surface);
    color: var(--ink);
}

label {
    display: grid;
    gap: 6px;
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 12px;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.toolbar form input,
.toolbar form select,
.actions input,
.actions select {
    width: auto;
    min-width: 180px;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.inline-form {
    display: inline;
}

.badge {
    display: inline-flex;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--surface);
    color: var(--ink);
    font-size: 12px;
    font-weight: 700;
}

.badge.active {
    background: #dcfce7;
    color: var(--success);
}

.badge.suspended {
    background: #fef3c7;
    color: var(--warning);
}

.badge.banned,
.badge.danger {
    background: #fee2e2;
    color: var(--danger);
}

.alert {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 8px;
    background: #e0ecff;
    color: var(--primary-dark);
    font-weight: 700;
}

.alert.error {
    background: #fee2e2;
    color: var(--danger);
}

.login-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 18px;
}

.login-card {
    width: min(420px, 100%);
}

.narrow-card {
    max-width: 520px;
}

.empty {
    padding: 28px;
    text-align: center;
    color: var(--muted);
}

@media (max-width: 900px) {
    .sidebar {
        position: static;
        width: 100%;
    }

    .main {
        margin-left: 0;
        padding: 18px;
    }

    .stats,
    .two-col {
        grid-template-columns: 1fr;
    }

    .topbar,
    .toolbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .section-heading { flex-direction: column; }

    .reconciliation-table table { min-width: 600px; }

    .toolbar form,
    .toolbar form input,
    .toolbar form select,
    .toolbar form button,
    .toolbar form .btn {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .sidebar {
        padding: 16px;
    }

    .main {
        padding: 14px;
    }

    .card {
        padding: 14px;
    }

    .actions {
        width: 100%;
    }

    .actions .btn,
    .actions button,
    .inline-form {
        width: 100%;
    }

    .inline-form {
        display: block;
    }

    .pagination {
        align-items: stretch;
        flex-direction: column;
    }

    th,
    td {
        padding: 10px;
    }
}