:root {
    --bg: #f4f1ea;
    --panel: #fffdf8;
    --panel-strong: #f8f2e8;
    --line: #d9cbb7;
    --text: #231d17;
    --muted: #7e6e5c;
    --accent: #a3552d;
    --accent-soft: #f2dfcd;
    --danger: #9a2d1f;
    --success: #1f6e47;
    --warning: #9b6a06;
    --shadow: 0 10px 30px rgba(60, 38, 12, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: radial-gradient(circle at top left, #f9f5ee 0%, var(--bg) 48%, #efe7da 100%);
    color: var(--text);
    font: 14px/1.5 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    padding: 28px 20px;
    border-right: 1px solid rgba(126, 110, 92, 0.18);
    background: rgba(255, 251, 244, 0.78);
    backdrop-filter: blur(12px);
}

.brand {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 32px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #c36f38, #854521);
    color: white;
    font-weight: 700;
    border-radius: 14px;
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
}

.brand-subtitle {
    color: var(--muted);
    font-size: 12px;
}

.nav {
    display: grid;
    gap: 8px;
}

.sidebar-user {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid rgba(126, 110, 92, 0.18);
}

.sidebar-user-label {
    color: var(--muted);
    font-size: 12px;
}

.sidebar-user-name {
    margin: 4px 0 12px;
    font-weight: 700;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 12px;
}

.nav-link:hover,
.nav-link.active {
    background: var(--panel-strong);
}

.content {
    padding: 28px;
}

.page-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: start;
    margin-bottom: 20px;
}

.page-head h1 {
    margin: 0 0 4px;
    font-size: 28px;
}

.page-head p {
    margin: 0;
    color: var(--muted);
}

.card-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 16px;
}

.card-grid.one {
    grid-template-columns: 1fr;
}

.card-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid.five {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card {
    background: var(--panel);
    border: 1px solid rgba(126, 110, 92, 0.18);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 18px;
}

.card h2 {
    margin: 0 0 12px;
    font-size: 16px;
}

.metric .label {
    color: var(--muted);
    margin-bottom: 8px;
}

.metric .value {
    font-size: 28px;
    font-weight: 700;
}

.metric .value.small {
    font-size: 20px;
}

.metric .value .value-sub {
    margin-left: 12px;
    font-size: 22px !important;
    line-height: 1;
    vertical-align: baseline;
}

.badge {
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
    background: var(--panel-strong);
}

.trading-status {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    white-space: nowrap;
    font-size: 15px;
}

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

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

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

.status-alive {
    color: var(--success);
}

.status-stale {
    color: var(--warning);
}

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

.kv {
    display: grid;
    gap: 10px;
    margin: 0;
}

.kv div {
    display: grid;
    gap: 2px;
}

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

.kv dd {
    margin: 0;
}

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

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

.chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.chips.tall {
    max-height: 420px;
    overflow: auto;
}

.chip {
    padding: 6px 10px;
    background: var(--accent-soft);
    border-radius: 999px;
    font-size: 12px;
}

.chip.secondary {
    background: #efe6dc;
}

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

.table th,
.table td {
    text-align: left;
    padding: 8px 6px;
    border-bottom: 1px solid rgba(126, 110, 92, 0.15);
}

.trade-row-buy {
    background: rgba(154, 45, 31, 0.04);
}

.trade-row-sell {
    background: rgba(31, 110, 71, 0.05);
}

.trade-row-buy:hover,
.trade-row-sell:hover {
    filter: brightness(0.985);
}

.mono {
    font-family: Consolas, "Courier New", monospace;
    color: var(--muted);
}

.pos {
    color: var(--danger);
    font-weight: 700;
}

.neg {
    color: var(--success);
    font-weight: 700;
}

.chart {
    min-height: 260px;
    height: 260px;
}

.chart-svg {
    width: 100%;
    height: auto;
    aspect-ratio: 640 / 220;
    display: block;
}

.chart-fill {
    fill: rgba(163, 85, 45, 0.08);
}

.chart-line {
    fill: none;
    stroke: var(--accent);
    stroke-width: 2.5;
}

.chart-axis {
    stroke: rgba(126, 110, 92, 0.45);
    stroke-width: 1;
}

.chart-grid {
    stroke: rgba(126, 110, 92, 0.16);
    stroke-width: 1;
}

.chart-tick {
    fill: var(--muted);
    font-size: 11px;
    font-family: Consolas, "Courier New", monospace;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 12px;
    margin-top: 8px;
}

.button {
    border: 0;
    border-radius: 12px;
    background: var(--accent);
    color: white;
    padding: 10px 14px;
    cursor: pointer;
}

.button.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(126, 110, 92, 0.28);
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(420px, 100%);
    background: var(--panel);
    border: 1px solid rgba(126, 110, 92, 0.18);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.login-card h1 {
    margin: 0 0 8px;
    font-size: 28px;
}

.login-card p {
    margin: 0 0 18px;
    color: var(--muted);
}

.form-grid {
    display: grid;
    gap: 14px;
}

.field {
    display: grid;
    gap: 6px;
}

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

.field input {
    width: 100%;
    border: 1px solid rgba(126, 110, 92, 0.22);
    border-radius: 12px;
    padding: 12px 14px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

.field input:focus {
    outline: 2px solid rgba(163, 85, 45, 0.18);
    border-color: rgba(163, 85, 45, 0.42);
}

.form-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
}

.log-list {
    display: grid;
    gap: 8px;
    max-height: 76vh;
    overflow: auto;
}

.log-row {
    display: grid;
    grid-template-columns: 170px 90px 120px 1fr;
    gap: 10px;
    align-items: start;
    padding: 10px 12px;
    background: var(--panel-strong);
    border-radius: 12px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 12px;
}

.log-time,
.log-level,
.log-name {
    white-space: nowrap;
}

.log-message {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    min-width: 0;
}

.level-error,
.level-critical {
    border-left: 4px solid var(--danger);
}

.level-warning {
    border-left: 4px solid var(--warning);
}

.level-info {
    border-left: 4px solid var(--success);
}

@media (max-width: 1080px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid rgba(126, 110, 92, 0.18);
    }

    .card-grid.two,
    .card-grid.three,
    .card-grid.four,
    .card-grid.five {
        grid-template-columns: 1fr;
    }

    .log-row {
        grid-template-columns: 1fr;
    }
}