:root {
    --background: #f4f7f4;
    --surface: #ffffff;
    --surface-soft: #f8faf8;
    --text: #17251c;
    --muted: #6e7d72;
    --border: #dce5dc;
    --primary: #27834e;
    --primary-dark: #17663a;
    --primary-soft: #e9f5ed;
    --success: #27834e;
    --warning: #c98722;
    --danger: #c54949;
    --unknown: #7c8980;
    --shadow: 0 16px 42px rgba(32, 67, 43, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--background);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background:
        radial-gradient(circle at 5% 0%, rgba(39, 131, 78, 0.08), transparent 28rem),
        var(--background);
}

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.hidden {
    display: none !important;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 12px clamp(18px, 4vw, 64px);
    border-bottom: 1px solid rgba(220, 229, 220, 0.9);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 14px;
    color: white;
    font-weight: 750;
    background: linear-gradient(145deg, #30965b, #17683b);
    box-shadow: 0 9px 22px rgba(39, 131, 78, 0.22);
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 16px;
}

.brand small {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.refresh-caption {
    margin-right: 6px;
    color: var(--muted);
    font-size: 12px;
}

.primary-link,
.primary-button,
.secondary-button {
    min-height: 40px;
    padding: 0 16px;
    border-radius: 11px;
    font-weight: 700;
    text-decoration: none;
}

.primary-link,
.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--primary);
    color: white;
    background: var(--primary);
}

.primary-link:hover,
.primary-button:hover {
    background: var(--primary-dark);
}

.secondary-button {
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--surface);
}

.secondary-button:hover {
    border-color: #a9bbaa;
    background: var(--surface-soft);
}

.secondary-button:disabled,
.primary-button:disabled {
    cursor: wait;
    opacity: 0.58;
}

.refresh-icon {
    display: inline-block;
    margin-right: 6px;
    font-size: 18px;
}

.secondary-button.loading .refresh-icon {
    animation: rotate 0.8s linear infinite;
}

.dashboard {
    width: min(1280px, calc(100% - 36px));
    margin: 0 auto;
    padding: 36px 0 30px;
}

.token-panel,
.overview-panel,
.metric-card,
.section-block,
.detail-card,
.error-banner {
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.token-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
    align-items: end;
    gap: 32px;
    margin-bottom: 20px;
    padding: clamp(22px, 4vw, 38px);
    border-radius: 20px;
}

.token-panel h1,
.overview-panel h1,
.section-heading h2,
.detail-card h2 {
    margin: 4px 0 0;
}

.token-panel p,
.overview-copy p,
.section-heading p {
    margin: 9px 0 0;
    color: var(--muted);
    line-height: 1.65;
}

.token-form {
    display: grid;
    gap: 8px;
}

.token-form label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.token-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.token-row input {
    min-width: 0;
    height: 44px;
    padding: 0 13px;
    border: 1px solid var(--border);
    border-radius: 11px;
    outline: none;
}

.token-row input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(39, 131, 78, 0.12);
}

.error-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 14px 18px;
    border-color: #efcaca;
    border-radius: 14px;
    color: #8f3030;
    background: #fff4f3;
    box-shadow: none;
}

.error-banner span {
    color: #a34a4a;
}

.overview-panel {
    display: flex;
    min-height: 190px;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    padding: clamp(28px, 4vw, 48px);
    overflow: hidden;
    border-radius: 24px;
    background:
        radial-gradient(circle at 88% 18%, rgba(65, 164, 99, 0.22), transparent 15rem),
        linear-gradient(135deg, #ffffff, #f2f8f3);
}

.eyebrow {
    color: var(--primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.13em;
}

.overview-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.overview-title-row h1 {
    font-size: clamp(28px, 4vw, 42px);
}

.overview-uptime {
    min-width: 210px;
    padding: 20px 24px;
    border: 1px solid rgba(39, 131, 78, 0.14);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.78);
}

.overview-uptime span,
.overview-uptime strong {
    display: block;
}

.overview-uptime span {
    color: var(--muted);
    font-size: 13px;
}

.overview-uptime strong {
    margin-top: 8px;
    font-size: clamp(24px, 3vw, 34px);
}

.status-badge,
.quiet-badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.status-badge.up {
    color: #17683b;
    background: #dff2e6;
}

.status-badge.down {
    color: #a32f2f;
    background: #fee5e3;
}

.status-badge.out-of-service {
    color: #8c5c0e;
    background: #fff0d2;
}

.status-badge.unknown,
.quiet-badge {
    color: #5f6e63;
    background: #edf1ed;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.metric-card {
    min-width: 0;
    padding: 20px;
    border-radius: 18px;
}

.metric-heading {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.metric-icon {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border-radius: 9px;
    font-size: 11px;
    font-weight: 850;
}

.metric-icon.memory {
    color: #126b48;
    background: #dcf4e8;
}

.metric-icon.cpu {
    color: #7c540e;
    background: #fff0ce;
}

.metric-icon.request {
    color: #23599e;
    background: #e4efff;
}

.metric-icon.thread {
    color: #6741a7;
    background: #eee7fb;
}

.metric-card > strong {
    display: block;
    margin-top: 18px;
    font-size: clamp(26px, 3vw, 34px);
}

.metric-card p {
    min-height: 34px;
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.progress-track {
    height: 6px;
    margin-top: 13px;
    overflow: hidden;
    border-radius: 999px;
    background: #edf1ed;
}

.progress-track span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #299258, #68b981);
    transition: width 0.35s ease;
}

.section-block {
    margin-top: 18px;
    padding: clamp(22px, 3vw, 32px);
    border-radius: 20px;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
}

.section-heading p {
    max-width: 480px;
    text-align: right;
    font-size: 12px;
}

.component-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 13px;
    margin-top: 22px;
}

.component-card {
    display: flex;
    min-height: 92px;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 17px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: var(--surface-soft);
}

.component-card strong,
.component-card small {
    display: block;
}

.component-card small {
    margin-top: 5px;
    color: var(--muted);
}

.component-state-dot {
    width: 12px;
    height: 12px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--unknown);
    box-shadow: 0 0 0 6px rgba(124, 137, 128, 0.12);
}

.component-card.up .component-state-dot {
    background: var(--success);
    box-shadow: 0 0 0 6px rgba(39, 131, 78, 0.12);
}

.component-card.down .component-state-dot {
    background: var(--danger);
    box-shadow: 0 0 0 6px rgba(197, 73, 73, 0.12);
}

.component-card.out-of-service .component-state-dot {
    background: var(--warning);
    box-shadow: 0 0 0 6px rgba(201, 135, 34, 0.13);
}

.placeholder-card {
    grid-column: 1 / -1;
    justify-content: center;
    color: var(--muted);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.detail-card {
    padding: clamp(22px, 3vw, 30px);
    border-radius: 20px;
}

.detail-card-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.data-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 22px 0 0;
}

.data-list > div {
    padding: 14px 15px;
    border-radius: 12px;
    background: var(--surface-soft);
}

.data-list dt {
    color: var(--muted);
    font-size: 12px;
}

.data-list dd {
    margin: 6px 0 0;
    font-size: 20px;
    font-weight: 800;
}

.dashboard-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 4px 0;
    color: var(--muted);
    font-size: 12px;
}

.dashboard-footer button {
    border: 0;
    color: var(--muted);
    background: transparent;
}

.dashboard-footer button:hover {
    color: var(--danger);
}

@keyframes rotate {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 960px) {
    .summary-grid,
    .component-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .token-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .topbar {
        align-items: flex-start;
        padding: 12px 16px;
    }

    .topbar-actions {
        justify-content: flex-end;
        flex-wrap: wrap;
    }

    .refresh-caption {
        display: none;
    }

    .dashboard {
        width: min(100% - 24px, 1280px);
        padding-top: 18px;
    }

    .overview-panel,
    .section-heading,
    .dashboard-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .overview-uptime {
        width: 100%;
    }

    .section-heading p {
        text-align: left;
    }

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

@media (max-width: 520px) {
    .brand small,
    .secondary-button {
        display: none;
    }

    .primary-link {
        padding: 0 12px;
        font-size: 13px;
    }

    .summary-grid,
    .component-grid,
    .data-list {
        grid-template-columns: 1fr;
    }

    .overview-title-row {
        align-items: flex-start;
        flex-direction: column;
    }

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