:root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --border: #e2e5ea;
    --text: #1f2733;
    --muted: #7a838f;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --danger: #dc2626;
    --ok: #16a34a;
    --warn: #d97706;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--accent); }

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    background: #111827;
    color: #fff;
    padding: 0 20px;
    height: 52px;
}
.topbar .brand { font-weight: 600; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
    color: #cbd5e1;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
}
.topbar nav a:hover { background: #1f2937; color: #fff; }
.topbar nav a.is-active { background: var(--accent); color: #fff; }
.logout { margin: 0; }
.link-btn {
    background: none; border: none; color: #cbd5e1; cursor: pointer; font-size: 14px;
}
.link-btn:hover { color: #fff; }

.container { max-width: 1200px; margin: 24px auto; padding: 0 20px; }

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }

.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.note { font-size: 13px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    text-decoration: none;
    color: inherit;
    display: block;
}
.card-value { font-size: 30px; font-weight: 700; }
.card-label { color: var(--muted); margin-top: 4px; }
.card-accent { border-color: var(--accent); }
.card-error { border-color: var(--danger); }

/* Panels & tables */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 20px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { font-size: 12px; text-transform: uppercase; color: var(--muted); }
.table-clickable tr.row-link { cursor: pointer; }
.table-clickable tr.row-link:hover { background: #eef2ff; }
.table tr.is-selected { background: #e0e7ff; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-executed { background: #dcfce7; color: #166534; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-failed { background: #fee2e2; color: #991b1b; }
.badge-debug { background: #e5e7eb; color: #374151; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-warn { background: #fef3c7; color: #92400e; }
.badge-error { background: #fee2e2; color: #991b1b; }

/* Buttons & forms */
.btn {
    display: inline-block; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
    background: #fff; color: var(--text); cursor: pointer; text-decoration: none; font-size: 14px;
}
.btn:hover { background: #f3f4f6; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-small { padding: 5px 10px; font-size: 13px; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
input, select, textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
    font: inherit; color: var(--text); background: #fff; margin-top: 4px;
}
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.stack { margin-bottom: 8px; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.alert-info { background: #dbeafe; color: #1e40af; }
.alert-error { background: #fee2e2; color: #991b1b; }

/* Review layout */
.review-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.filters { display: flex; gap: 8px; }
.review-layout { display: grid; grid-template-columns: 1fr 460px; gap: 20px; align-items: start; }
.review-list { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.review-sidebar { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow-y: auto; }

.detail-block { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px; }
.detail-block:first-of-type { border-top: none; margin-top: 8px; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 4px 10px; margin: 0 0 10px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.mail-body { background: #f9fafb; border: 1px solid var(--border); border-radius: 8px; padding: 10px; max-height: 220px; overflow-y: auto; }
.att-list { margin: 6px 0 0; padding-left: 18px; }

.action-card { border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 12px; }
.action-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.json { background: #0f172a; color: #e2e8f0; padding: 10px; border-radius: 8px; overflow-x: auto; font-size: 12px; }
.feedback-list { margin: 0 0 10px; padding-left: 18px; }

.decision-bar { display: flex; gap: 10px; }
.decision-bar form { margin: 0; }

/* Log filters */
.log-filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 16px; }
.log-filters label { margin-bottom: 0; }
.log-filters input, .log-filters select { width: auto; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; width: 320px; box-shadow: 0 10px 30px rgba(0,0,0,.08); }
.login-card h1 { text-align: center; }
.login-card .btn { width: 100%; }

@media (max-width: 900px) {
    .cards { grid-template-columns: repeat(2, 1fr); }
    .review-layout { grid-template-columns: 1fr; }
    .review-sidebar { position: static; max-height: none; }
}