:root {
    --ink: #172033;
    --muted: #6b7280;
    --line: #dde3ec;
    --panel: #ffffff;
    --soft: #f5f7fb;
    --brand: #0b4ea2;
    --brand-dark: #063b7d;
    --danger: #c62828;
    --warning: #b26a00;
    --success: #147a3f;
    --info: #0a6787;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    color: var(--ink);
    background: var(--soft);
}

a { color: inherit; text-decoration: none; }

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #eef3f9, #dbe6f3);
}

.login-card {
    width: min(430px, calc(100vw - 32px));
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 18px 70px rgba(23, 32, 51, .13);
}

.brand-mark {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 3px solid var(--brand);
    display: grid;
    place-items: center;
    font-weight: 800;
    color: var(--brand);
    margin-bottom: 18px;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 292px 1fr;
}

.sidebar {
    background: #0f1724;
    color: #edf3fb;
    padding: 26px 20px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}

.sidebar-brand .brand-mark {
    width: 42px;
    height: 42px;
    margin: 0;
    border-color: #9fc5ff;
    color: #9fc5ff;
}

.nav {
    display: grid;
    gap: 6px;
    margin-top: 22px;
}

.nav a {
    padding: 14px 14px;
    border-radius: 8px;
    color: #cbd5e1;
    font-weight: 750;
    font-size: 16px;
}

.nav a.active,
.nav a:hover {
    background: rgba(159, 197, 255, .16);
    color: #fff;
}

.main {
    min-width: 0;
}

.topbar {
    height: 82px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 34px;
}

.content {
    padding: 34px;
}

.page-title {
    margin: 0 0 18px;
    font-size: 34px;
    letter-spacing: 0;
}

.ops-hero {
    display: flex;
    justify-content: space-between;
    gap: 22px;
    align-items: stretch;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 28px;
    margin-bottom: 20px;
}

.ops-hero h1 {
    margin: 4px 0 10px;
    font-size: 38px;
    letter-spacing: 0;
}

.ops-hero p {
    max-width: 860px;
    margin: 0;
    color: #4b5563;
    line-height: 1.6;
    font-size: 18px;
}

.eyebrow {
    font-size: 13px;
    font-weight: 850;
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: .08em;
}

.ops-stamp {
    min-width: 210px;
    display: grid;
    place-content: center;
    text-align: center;
    border: 1px solid var(--line);
    background: #f8fafc;
    border-radius: 8px;
    padding: 18px;
}

.ops-stamp span {
    color: var(--muted);
    font-weight: 750;
}

.ops-stamp strong {
    display: block;
    font-size: 31px;
    color: var(--brand);
}

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

.kpi-grid {
    grid-template-columns: repeat(6, minmax(140px, 1fr));
}

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 22px;
}

.kpi-value {
    font-size: 42px;
    font-weight: 800;
}

.kpi-note {
    color: var(--muted);
    font-weight: 700;
}

.ops-grid {
    grid-template-columns: 1fr 2fr;
}

.metric-line {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
}

.metric-line strong {
    font-size: 20px;
}

.muted { color: var(--muted); }

.table-wrap {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 820px;
}

th, td {
    padding: 16px 16px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
    background: #f8fafc;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 5px 11px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 750;
    white-space: nowrap;
}

.badge-danger { background: #fdecec; color: var(--danger); }
.badge-warning { background: #fff4df; color: var(--warning); }
.badge-success { background: #eaf8f0; color: var(--success); }
.badge-info { background: #e8f6fb; color: var(--info); }
.badge-muted { background: #eef1f5; color: #4b5563; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field { display: grid; gap: 7px; }

label {
    font-size: 13px;
    font-weight: 750;
    color: #374151;
}

input, select, textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 13px 13px;
    font: inherit;
    background: #fff;
}

textarea { min-height: 130px; resize: vertical; }

.span-2 { grid-column: 1 / -1; }

.button-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    border: 0;
    border-radius: 8px;
    padding: 13px 16px;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover { background: var(--brand-dark); }
.btn.secondary { background: #e8edf4; color: var(--ink); }
.btn.danger { background: var(--danger); }
.btn.success { background: var(--success); }

.task-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 18px;
}

.qa-text {
    border: 1px solid var(--line);
    background: #fbfdff;
    border-radius: 8px;
    padding: 14px;
    line-height: 1.6;
    white-space: pre-wrap;
}

.rtl {
    direction: rtl;
    text-align: right;
    font-family: Tahoma, Arial, sans-serif;
}

.activity {
    display: grid;
    gap: 12px;
}

.activity-item {
    border-left: 3px solid var(--brand);
    padding-left: 10px;
}

.flash {
    margin-bottom: 16px;
    border-radius: 8px;
    padding: 12px 14px;
    background: #eaf8f0;
    color: var(--success);
    border: 1px solid #b8e4c8;
}

.flash.error {
    background: #fdecec;
    color: var(--danger);
    border-color: #f5b5b5;
}

@media (max-width: 980px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: relative; height: auto; }
    .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .task-layout { grid-template-columns: 1fr; }
    .ops-hero { flex-direction: column; }
    .ops-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .content, .topbar { padding-left: 16px; padding-right: 16px; }
    .form-grid { grid-template-columns: 1fr; }
    .span-2 { grid-column: auto; }
    .kpi-grid { grid-template-columns: 1fr; }
}