:root {
    --bg: #f3f6fa;
    --surface: #ffffff;
    --text: #1a2633;
    --muted: #5f7388;
    --border: #dbe4ee;
    --accent: #1f6fb2;
    --danger: #c0392b;
    --ok: #1d8f5b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    background: linear-gradient(180deg, #edf3f9 0%, #f8fbff 100%);
}

.container {
    width: min(1180px, 94vw);
    margin: 0 auto;
}

.topbar {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(2px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

h1 {
    margin: 0;
    font-size: 1.45rem;
}

.muted {
    color: var(--muted);
    margin: 0.2rem 0 0;
}

.topbar-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

.badge {
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #eff5fb;
    padding: 0.3rem 0.7rem;
    font-size: 0.85rem;
}

.badge-danger {
    border-color: #e8c4bf;
    background: #fff0ee;
    color: #8f2e20;
}

main {
    padding: 1rem 0 2rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 14px rgba(28, 50, 72, 0.06);
}

.filters {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto auto;
    gap: 0.8rem;
    align-items: end;
}

label {
    display: grid;
    gap: 0.3rem;
    font-weight: 600;
    font-size: 0.9rem;
}

input,
select,
button {
    font: inherit;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
}

button {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    cursor: pointer;
}

button:hover {
    filter: brightness(0.95);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    padding: 0.72rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
}

tbody tr {
    cursor: pointer;
}

tbody tr:hover {
    background: #f7fbff;
}

.row-problem {
    background: #fff8f7;
}

.pill {
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
    font-size: 0.78rem;
    border: 1px solid transparent;
}

.pill-danger {
    background: #ffeceb;
    border-color: #f4beb8;
    color: #8e2f22;
}

.pill-ok {
    background: #ecf8f1;
    border-color: #bfe8cf;
    color: #196f49;
}

.alert {
    border-radius: 10px;
    padding: 0.75rem;
    border: 1px solid;
}

.alert-error {
    background: #fff1ef;
    border-color: #efc2bc;
    color: #7c271d;
}

.alert-ok {
    background: #effaf3;
    border-color: #c6e8d3;
    color: #1f6d48;
}

code {
    font-family: Consolas, "Courier New", monospace;
    background: #f3f7fb;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.08rem 0.35rem;
}

.auth-box {
    width: min(480px, 94vw);
    margin-top: 4rem;
}

.stack {
    display: grid;
    gap: 0.9rem;
}

.link-btn {
    text-decoration: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.45rem 0.7rem;
    color: var(--text);
    background: #fff;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

.details-grid > div {
    display: grid;
    gap: 0.3rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.7rem;
    background: #fcfdff;
}

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

    .details-grid {
        grid-template-columns: 1fr;
    }
}