:root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --border: #dfe3e8;
    --text: #1c1f23;
    --muted: #6b7280;
    --accent: #2563eb;
    --ok: #15803d;
    --warn: #b45309;
    --err: #b91c1c;
    --unknown: #7c3aed;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14161a;
        --panel: #1c1f24;
        --border: #2c3138;
        --text: #e6e8ea;
        --muted: #9aa1ab;
        --accent: #60a5fa;
        --ok: #4ade80;
        --warn: #fbbf24;
        --err: #f87171;
        --unknown: #c084fc;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.spacer { flex: 1; }

/* ---------------------------------------------------------------- вход */

.login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card { width: 320px; }
.login-card h1 { margin-top: 0; }

/* -------------------------------------------------------------- шапка */

.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar nav { display: flex; gap: 4px; }

.tab {
    background: none;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 6px 12px;
    color: var(--muted);
    cursor: pointer;
    font-size: 14px;
}

.tab.active {
    color: var(--text);
    border-color: var(--border);
    background: var(--bg);
}

main { padding: 20px; max-width: 1400px; margin: 0 auto; }

/* -------------------------------------------------------------- блоки */

.grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 900px) {
    .grid { grid-template-columns: 1fr; }
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}

.card h2 { margin: 0 0 12px; font-size: 15px; }

label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }

input, select, textarea {
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font: inherit;
}

textarea { resize: vertical; }

button {
    font: inherit;
    cursor: pointer;
}

button.primary {
    width: 100%;
    padding: 9px;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-weight: 500;
}

button.link {
    background: none;
    border: 0;
    color: var(--accent);
    padding: 4px 6px;
}

button.small {
    padding: 3px 8px;
    border: 1px solid var(--border);
    border-radius: 5px;
    background: var(--bg);
    color: var(--text);
    font-size: 12px;
}

/* -------------------------------------------------------------- списки */

.list-header { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.list-header h2 { margin: 0; }
.filters { display: flex; gap: 8px; margin-left: auto; align-items: center; }
.filters input, .filters select { width: auto; margin: 0; }

.list-card { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; margin-top: 12px; }

th {
    text-align: left;
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 8px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

tr.clickable:hover { background: var(--bg); cursor: pointer; }

.text-cell {
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nowrap { white-space: nowrap; }

.pager { display: flex; align-items: center; gap: 12px; margin-top: 12px; }

/* -------------------------------------------------------------- статусы */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid currentColor;
    white-space: nowrap;
}

.badge.pending   { color: var(--muted); }
.badge.claimed,
.badge.sending   { color: var(--accent); }
.badge.sent      { color: var(--ok); }
.badge.failed    { color: var(--err); }
.badge.expired,
.badge.cancelled { color: var(--warn); }
.badge.unknown   { color: var(--unknown); }

/* -------------------------------------------------------------- прочее */

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }

.tile {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
}

.tile .value { font-size: 26px; font-weight: 600; }
.tile .label { font-size: 12px; color: var(--muted); }

.meter { font-size: 12px; margin: -6px 0 12px; }

.result { margin-top: 10px; font-size: 13px; }
.error { color: var(--err); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }

.token-box {
    margin-top: 8px;
    padding: 10px;
    background: var(--bg);
    border: 1px dashed var(--border);
    border-radius: 6px;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 12px;
    word-break: break-all;
}

dialog {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--panel);
    color: var(--text);
    max-width: 720px;
    width: 92%;
    padding: 18px;
}

dialog::backdrop { background: rgba(0, 0, 0, .45); }

.detail-head { display: flex; align-items: center; }
.detail-head h2 { margin: 0; flex: 1; font-size: 15px; }

.kv { display: grid; grid-template-columns: 180px 1fr; gap: 6px 12px; margin: 12px 0; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }

.timeline { border-top: 1px solid var(--border); padding-top: 12px; }
.timeline-item { display: flex; gap: 10px; font-size: 13px; padding: 4px 0; }
.timeline-item time { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }