:root {
    --navy: #002B5B;
    --navy-2: #003A73;
    --cyan: #00A8E8;
    --bg: #F4F6F8;
    --card: #FFFFFF;
    --text: #1C1C1C;
    --muted: #5F6B7A;
    --border: #D7DEE8;
    --success: #1B7F3A;
    --danger: #C62828;
    --warning: #B26A00;
    --sim: #7A4E00;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.45;
}
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--cyan); }
h1, h2 { margin: 0 0 12px; }
h1 { font-size: 24px; }
h2 { font-size: 18px; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px;
    background: var(--navy);
    color: #fff;
    padding: 24px 16px;
    border-right: 1px solid #001A38;
}
.brand strong, .brand span { display: block; }
.brand strong { font-size: 16px; line-height: 1.3; }
.brand span, .muted { color: var(--muted); font-size: 13px; }
.sidebar .brand span { color: #C9D6E3; margin-top: 4px; }
.sidebar-badge {
    margin-top: 14px;
    display: inline-block;
    border: 1px solid #C9D6E3;
    color: #fff;
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 4px 8px;
}
.nav { margin-top: 28px; display: flex; flex-direction: column; gap: 6px; }
.nav a { color: #fff; padding: 10px 12px; border: 1px solid transparent; }
.nav a.active, .nav a:hover { background: var(--navy-2); border-color: #004A8F; color: #fff; }

.main { flex: 1; min-width: 0; }
.sim-banner {
    background: #FFF4E0;
    color: var(--sim);
    border-bottom: 1px solid #E0C48A;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 700;
}
.sim-banner-compact { border: 1px solid #E0C48A; margin-bottom: 16px; padding: 8px 10px; font-size: 13px; }
.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.user-chip { border: 1px solid var(--border); padding: 6px 10px; font-size: 13px; }
.content { padding: 24px; display: flex; flex-direction: column; gap: 16px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 16px;
}
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.kpi-grid, .grid-2, .grid-3 { display: grid; gap: 12px; }
.kpi-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.kpi span { display: block; color: var(--muted); font-size: 13px; }
.kpi strong { font-size: 28px; }
.kpi strong.small { font-size: 14px; word-break: break-all; }
.chart-card h2 { margin-bottom: 8px; }
.chart-wrap {
    position: relative;
    height: 300px;
    max-height: 340px;
    overflow: hidden;
}
.chart-wrap canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    max-width: 100%;
}

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; font-size: 14px; }
.table th { color: var(--muted); font-weight: 600; background: #FAFBFC; }
.table tbody tr:hover { background: #F8FAFC; }
.truncate { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.btn {
    display: inline-block;
    border: 1px solid var(--navy);
    background: var(--navy);
    color: #fff;
    padding: 8px 14px;
    cursor: pointer;
    font-size: 14px;
}
.btn:hover { background: var(--navy-2); color: #fff; }
.btn-light { background: #fff; color: var(--navy); }
.btn-primary { background: var(--navy); }
.stack { display: flex; flex-direction: column; gap: 12px; max-width: 520px; }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 13px; }
label.inline { flex-direction: row; align-items: center; font-weight: 400; }
input, select {
    border: 1px solid var(--border);
    padding: 8px 10px;
    font: inherit;
    background: #fff;
    color: var(--text);
}
.alert { padding: 12px; border: 1px solid var(--border); }
.alert-success { background: #E8F5E9; border-color: var(--success); }
.alert-danger { background: #FFEBEE; border-color: var(--danger); }
.badge { display: inline-block; padding: 3px 8px; border: 1px solid var(--border); font-size: 12px; font-weight: 700; }
.badge-pending, .badge-draft { background: #ECEFF1; }
.badge-queued, .badge-processing { background: #E3F2FD; border-color: var(--cyan); }
.badge-sent { background: #E0F7FA; }
.badge-delivered, .badge-completed { background: #E8F5E9; border-color: var(--success); }
.badge-failed { background: #FFEBEE; border-color: var(--danger); }
.badge-rejected { background: #FFF3E0; border-color: var(--warning); }
.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.details { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.details dt { color: var(--muted); font-size: 12px; }
.details dd { margin: 4px 0 0; }
.pagination { display: flex; gap: 12px; align-items: center; margin-top: 12px; }
.pagination .disabled { color: var(--muted); }
.token { display: block; margin-top: 8px; word-break: break-all; }
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    align-items: end;
}
.filter-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.empty-state { text-align: center; padding: 32px 12px; border: 1px dashed var(--border); }
.empty-state strong { display: block; margin-bottom: 6px; }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.timeline li { padding: 8px 10px; border: 1px solid var(--border); color: var(--muted); }
.timeline li.done { border-color: var(--navy); color: var(--text); background: #F3F7FB; }

.auth-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.auth-card { width: 100%; max-width: 400px; background: var(--card); border: 1px solid var(--border); padding: 28px; }
.brand-center { text-align: center; margin-bottom: 16px; color: var(--navy); }

code { font-family: Consolas, Monaco, monospace; font-size: 13px; }

@media (max-width: 1100px) {
    .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
    .layout { display: block; }
    .sidebar { width: auto; }
    .nav { flex-direction: row; flex-wrap: wrap; }
    .grid-2 { grid-template-columns: 1fr; }
    .topbar { display: block; }
    .chart-wrap {
        height: 240px;
        max-height: 240px;
    }
}