:root {
    --bg: #0b0c10;
    --fg: #f4f5f7;
    --muted: #aeb3bd;
    --card: rgba(20, 22, 28, 0.92);
    --border: rgba(255, 255, 255, 0.08);
    --danger: #ff5a6a;
    --ok: #2ee59d;
    --btn-bg: #151923;
    --btn-border: #2b2f3a;
}

html, body {
    height: 100%;
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--fg);
}

header {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    border-bottom: 1px solid var(--border);
    background: #0f1117;
}

header .title {
    display: flex;
    align-items: center;
    gap: 10px;
}

header nav {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

header a {
    color: var(--fg);
    text-decoration: none;
    opacity: 0.92;
    font-size: 14px;
}

header a:hover {
    opacity: 1;
    text-decoration: underline;
}

header a.active {
    opacity: 1;
    font-weight: 650;
    text-decoration: underline;
}

.wrap {
    height: calc(100% - 52px);
    display: grid;
    grid-template-columns: 420px 1fr;
}

.panel {
    overflow: auto;
    padding: 12px;
    border-right: 1px solid var(--border);
}

.content {
    overflow: hidden;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 12px;
}

.card h2 {
    margin: 0 0 10px 0;
    font-size: 16px;
}

label {
    display: block;
    margin: 8px 0 6px 0;
    color: var(--muted);
    font-size: 13px;
}

input, textarea {
    width: 100%;
    box-sizing: border-box;
    border-radius: 10px;
    border: 1px solid var(--btn-border);
    background: #0f1117;
    color: var(--fg);
    padding: 8px 10px;
    outline: none;
}

textarea {
    min-height: 72px;
    resize: vertical;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btnrow {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

button {
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--fg);
    border-radius: 10px;
    padding: 8px 10px;
    cursor: pointer;
    font-size: 13px;
}

button:hover {
    filter: brightness(1.08);
}

button.danger {
    border-color: rgba(255, 90, 106, 0.45);
    background: rgba(255, 90, 106, 0.10);
}

.status {
    margin-top: 8px;
    font-size: 13px;
    color: var(--muted);
}

.status.ok {
    color: var(--ok);
}

.status.err {
    color: var(--danger);
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th, td {
    padding: 6px 4px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.login-wrap {
    max-width: 420px;
    margin: 40px auto;
    padding: 0 12px;
}

@media (max-width: 980px) {
    .wrap {
        grid-template-columns: 1fr;
    }

    .panel {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}