:root {
    --bg: #f6f7f9;
    --card: #ffffff;
    --ink: #1c2230;
    --muted: #6b7280;
    --line: #e5e7eb;
    --accent: #0f766e;
    --accent-ink: #ffffff;
    --danger: #b91c1c;
    --warning: #b45309;
    --ok: #15803d;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef2f4; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }

.topbar {
    display: flex; align-items: center; gap: 24px;
    padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line);
}
.topbar .brand a { font-weight: 600; color: var(--ink); }
.topbar nav { display: flex; gap: 18px; flex: 1; }
.topbar nav a { color: var(--ink); font-weight: 500; }
.topbar .logout { display: flex; align-items: center; gap: 12px; }
.topbar .logout button {
    background: transparent; border: 1px solid var(--line); padding: 5px 10px;
    border-radius: 6px; cursor: pointer;
}

.container { max-width: 1180px; margin: 24px auto; padding: 0 24px; }

h1 { margin: 0 0 16px; font-size: 22px; }
h2 { margin: 28px 0 12px; font-size: 16px; }
.muted { color: var(--muted); }

.flash {
    padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid;
}
.flash-success { background: #ecfdf5; border-color: #a7f3d0; color: var(--ok); }
.flash-error   { background: #fef2f2; border-color: #fecaca; color: var(--danger); }

.card {
    background: var(--card); border: 1px solid var(--line);
    border-radius: 10px; padding: 18px; margin-bottom: 18px;
}

.stat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 24px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.stat h3 { margin: 0; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.stat p  { margin: 6px 0 0; font-size: 24px; font-weight: 600; }
@media (max-width: 900px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

table.data {
    width: 100%; border-collapse: collapse; background: var(--card);
    border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
table.data th, table.data td {
    padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top;
}
table.data th { background: #f9fafb; font-size: 12.5px; color: var(--muted); font-weight: 600; }
table.data tr:last-child td { border-bottom: 0; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
    display: inline-block; padding: 2px 8px; border-radius: 999px;
    font-size: 11.5px; font-weight: 600; border: 1px solid var(--line);
}
.badge-completed, .badge-accepted, .badge-closed, .badge-sent { background:#ecfdf5; color:var(--ok); border-color:#a7f3d0; }
.badge-pending, .badge-processing, .badge-open, .badge-queued, .badge-in_progress { background:#fffbeb; color:var(--warning); border-color:#fde68a; }
.badge-failed, .badge-cancelled { background:#fef2f2; color:var(--danger); border-color:#fecaca; }

button, .btn {
    background: var(--accent); color: var(--accent-ink); border: 0;
    padding: 8px 14px; border-radius: 8px; cursor: pointer; font: inherit; font-weight: 500;
}
button:hover, .btn:hover { opacity: 0.92; text-decoration: none; }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-danger { background: var(--danger); }
.send-form { display: inline-flex; gap: 6px; align-items: center; }
.send-form select { padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; font: inherit; }
.send-form button { padding: 5px 10px; font-size: 12.5px; }

.contact-form h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
.field-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
.field-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.field-grid input {
    padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px;
    font: inherit; color: var(--ink);
}
@media (max-width: 760px) { .field-grid { grid-template-columns: repeat(2, 1fr); } }

form.search { display: flex; gap: 8px; margin-bottom: 14px; }
form.search input { flex: 1; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; }
form.search button { padding: 8px 14px; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; cursor: pointer; }

.login-card {
    max-width: 380px; margin: 60px auto; background: var(--card);
    border: 1px solid var(--line); border-radius: 12px; padding: 28px;
}
.login-card label { display: block; margin-bottom: 12px; }
.login-card input { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; margin-top: 4px; }
.login-card button { width: 100%; padding: 10px; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; font-weight: 600; cursor: pointer; }