:root {
    color-scheme: dark;
    --bg: #11161a;
    --bg-elevated: #182028;
    --bg-panel: rgba(22, 30, 38, 0.92);
    --bg-input: #10161c;
    --line: rgba(137, 160, 180, 0.2);
    --line-strong: rgba(137, 160, 180, 0.36);
    --text: #eef4f8;
    --text-muted: #92a4b4;
    --accent: #18b2a3;
    --accent-strong: #0dd6c2;
    --accent-soft: rgba(24, 178, 163, 0.18);
    --warn: #f4b63d;
    --warn-soft: rgba(244, 182, 61, 0.18);
    --danger: #ff6a54;
    --danger-soft: rgba(255, 106, 84, 0.18);
    --ok: #49d17d;
    --ok-soft: rgba(73, 209, 125, 0.18);
    --shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
    --radius: 14px;
    --radius-sm: 10px;
    --font-ui: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-heading: "Trebuchet MS", "Segoe UI", "PingFang SC", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at top left, rgba(24, 178, 163, 0.14), transparent 28%),
        radial-gradient(circle at top right, rgba(244, 182, 61, 0.12), transparent 24%),
        linear-gradient(180deg, #11161a 0%, #0b1014 100%);
    color: var(--text);
    font-family: var(--font-ui);
}

body {
    min-height: 100vh;
}

button,
input,
select,
textarea {
    font: inherit;
}

.app-shell {
    display: grid;
    grid-template-columns: 420px minmax(0, 1fr);
    min-height: 100vh;
}

.control-sidebar {
    padding: 24px 20px;
    border-right: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(10, 16, 21, 0.95), rgba(14, 22, 28, 0.92));
    overflow-y: auto;
}

.main-shell {
    min-width: 0;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.brand-block,
.panel,
.topbar {
    background: var(--bg-panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.brand-block {
    padding: 22px;
    margin-bottom: 18px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--accent-strong);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-block h1,
.title-block h2 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 28px;
    line-height: 1.15;
}

.brand-title {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    cursor: pointer;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.brand-title:hover,
.brand-title:focus-visible {
    color: var(--accent-strong);
    opacity: 0.96;
    outline: none;
}

.subtle {
    margin: 10px 0 0;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.panel {
    padding: 18px;
}

.panel + .panel {
    margin-top: 18px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.panel-head h2 {
    margin: 0;
    font-size: 17px;
    font-family: var(--font-heading);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 32px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
}

.badge.level-ok,
.level-ok {
    color: var(--ok);
    background: var(--ok-soft);
    border-color: rgba(73, 209, 125, 0.32);
}

.badge.level-warn,
.level-warn {
    color: var(--warn);
    background: var(--warn-soft);
    border-color: rgba(244, 182, 61, 0.32);
}

.badge.level-error,
.level-error {
    color: var(--danger);
    background: var(--danger-soft);
    border-color: rgba(255, 106, 84, 0.32);
}

.badge.neutral {
    color: var(--text-muted);
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field span {
    font-size: 12px;
    color: var(--text-muted);
}

.compact-field {
    min-width: 180px;
}

input,
select,
textarea {
    width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    color: var(--text);
    background: var(--bg-input);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

textarea {
    resize: vertical;
    min-height: 96px;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(24, 178, 163, 0.7);
    box-shadow: 0 0 0 3px rgba(24, 178, 163, 0.16);
}

.action-row,
.quick-grid {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

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

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

.primary-button,
.secondary-button,
.quick-button {
    min-height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.primary-button:hover,
.secondary-button:hover,
.quick-button:hover {
    transform: translateY(-1px);
}

.primary-button {
    color: #052522;
    background: linear-gradient(135deg, var(--accent-strong), #74f3d3);
    font-weight: 700;
}

.secondary-button,
.quick-button {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--line);
}

.danger-button {
    color: var(--danger);
    border-color: rgba(255, 106, 84, 0.28);
    background: var(--danger-soft);
}

.feedback {
    margin-top: 14px;
    min-height: 42px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    font-size: 13px;
    line-height: 1.5;
}

.feedback.level-ok,
.feedback.level-warn,
.feedback.level-error {
    color: inherit;
}

.raw-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.topbar {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.toolbar {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.stat-chip,
.meta-chip,
.summary-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
}

.stat-chip {
    min-width: 110px;
    padding: 10px 12px;
}

.stat-chip span,
.meta-chip span,
.summary-card span {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
}

.stat-chip strong,
.meta-chip strong,
.summary-card strong {
    display: block;
    margin-top: 6px;
    font-size: 20px;
    color: var(--text);
}

.overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(340px, 0.9fr);
    gap: 20px;
}

.map-panel,
.mission-panel {
    min-height: 420px;
}

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

.map-meta,
.summary-grid,
.telemetry-grid,
.bottom-grid {
    display: grid;
    gap: 16px;
}

.map-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 16px;
}

#map {
    width: 100%;
    min-height: 340px;
    border-radius: 12px;
    border: 1px solid var(--line);
    overflow: hidden;
    background: #0d1419;
}

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

.summary-card {
    padding: 14px;
    min-height: 88px;
}

.summary-card strong {
    font-size: 28px;
    font-family: var(--font-heading);
}

.status-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    margin-top: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.status-line span {
    color: var(--text-muted);
    font-size: 13px;
}

.status-line strong {
    font-size: 14px;
    text-align: right;
}

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

.speed-block,
.progress-stack {
    margin-bottom: 16px;
}

.speed-reading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.speed-reading span {
    color: var(--text-muted);
}

.speed-reading strong {
    font-size: 32px;
    font-family: var(--font-heading);
}

.progress-rail {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
}

.large-rail {
    height: 12px;
}

.progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #0dd6c2 0%, #74f3d3 100%);
    transition: width 0.25s ease;
}

.progress-labels {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 12px;
}

.progress-labels span {
    color: var(--text-muted);
    font-size: 13px;
}

.progress-labels strong {
    font-size: 24px;
    font-family: var(--font-heading);
}

.metric-list {
    display: grid;
    gap: 10px;
}

.metric-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.metric-row .label {
    color: var(--text-muted);
    font-size: 13px;
}

.metric-row .value {
    font-size: 14px;
    text-align: right;
}

.fault-panel {
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    font-size: 28px;
    font-family: var(--font-heading);
}

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

.message-list {
    display: grid;
    gap: 10px;
    max-height: 420px;
    overflow-y: auto;
    padding-right: 4px;
}

.message-item {
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.message-item-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.message-topic {
    font-size: 13px;
    color: var(--accent-strong);
    word-break: break-all;
}

.message-time {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

.message-payload {
    margin: 0;
    color: var(--text);
    font-size: 13px;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--line-strong);
    color: var(--text-muted);
    text-align: center;
    padding: 18px;
}

#message-list::-webkit-scrollbar,
.control-sidebar::-webkit-scrollbar {
    width: 8px;
}

#message-list::-webkit-scrollbar-thumb,
.control-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
}

@media (max-width: 1440px) {
    .telemetry-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1180px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

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

    .overview-grid,
    .telemetry-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .main-shell,
    .control-sidebar {
        padding: 16px;
    }

    .field-grid,
    .summary-grid,
    .map-meta,
    .action-row,
    .quick-grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .toolbar {
        width: 100%;
    }

    .compact-field,
    .stat-chip {
        width: 100%;
    }
}