:root {
    --bg: #0f172a;
    --top: #020617;
    --panel: #1e293b;
    --panel2: #334155;
    --border: #475569;
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #2dd4bf;
    --danger: #fb7185;
    --warn: #fbbf24;
    --ok: #34d399;
}

* { box-sizing: border-box; }

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: #67e8f9; text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

.icon {
    width: 1em;
    height: 1em;
    flex: 0 0 auto;
    display: inline-block;
    margin-inline-end: 0.5rem;
    vertical-align: -0.15em;
}
.icon + span { min-width: 0; }

.topbar {
    min-height: 76px;
    padding: 14px 22px;
    background: var(--top);
    border-bottom: 1px solid #1f2937;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.topbar h1 {
    margin: 0;
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 0;
}
.topbar h1 .icon {
    width: 21px;
    height: 21px;
    margin-inline-end: 10px;
    color: var(--accent);
}
.topbar p { margin: 5px 0 0; color: var(--muted); }

.topnav { display: flex; gap: 12px; flex-wrap: wrap; }
.topnav a {
    padding: 9px 12px;
    border-radius: 8px;
    background: #111827;
    border: 1px solid #1f2937;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}
.topnav a .icon {
    width: 18px;
    height: 18px;
    margin-inline-end: 7px;
    color: var(--accent);
}
.topnav a.active {
    border-color: var(--accent);
    box-shadow: inset 0 -3px 0 var(--accent);
    color: #ecfeff;
}

.page { min-height: calc(100vh - 76px); }

.app-grid {
    display: grid;
    grid-template-columns: 290px 1fr;
    min-height: calc(100vh - 76px);
    min-width: 0;
}

.sidebar {
    padding: 18px;
    border-right: 1px solid var(--border);
    background: #111827;
}
.mobile-camera-selector { display: none; }

.camera-link {
    display: block;
    margin-bottom: 10px;
    padding: 13px 14px;
    border-radius: 8px;
    background: var(--panel2);
    color: var(--text);
    border: 1px solid transparent;
    overflow-wrap: anywhere;
}

.camera-link strong {
    display: flex;
    align-items: center;
    gap: 0;
}
.camera-link strong .icon {
    width: 18px;
    height: 18px;
    margin-inline-end: 8px;
    color: var(--accent);
}

.camera-link > span {
    display: block;
    color: var(--muted);
    margin-top: 4px;
    font-size: 13px;
}

.camera-link:hover { border-color: var(--accent); text-decoration: none; }
.camera-link.active {
    background: #0f766e;
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px #99f6e4;
}
.camera-link.disabled { opacity: 0.5; }

.content { padding: 22px; min-width: 0; }
.content.full { max-width: 1300px; margin: 0 auto; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
    max-width: 100%;
}

.card h2, .card h3, .content > h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0;
}
.card h2 .icon, .card h3 .icon, .content > h3 .icon {
    width: 22px;
    height: 22px;
    margin-inline-end: 10px;
    color: var(--accent);
}
.card > h2 { padding: 16px 18px; }
.card > p { padding: 0 18px 18px; }

.card-header {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.card-header p { margin: 5px 0 0; color: var(--muted); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.actions a {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 0;
}
.actions a .icon {
    width: 17px;
    height: 17px;
    margin-inline-end: 6px;
}

.viewer-toolbar {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.quality-status { color: var(--muted); }
.quality-status strong { color: var(--text); }

.quality-toggle {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.quality-button {
    min-width: 52px;
    padding: 8px 12px;
    background: #0f172a;
    color: var(--text);
    text-align: center;
    border-right: 1px solid var(--border);
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.quality-button:last-child { border-right: 0; }
.quality-button:hover { text-decoration: none; background: #164e63; }
.quality-button.active {
    background: #0f766e;
    color: #ecfeff;
    box-shadow: inset 0 -3px 0 #99f6e4;
}
.quality-button.disabled {
    color: var(--muted);
    cursor: not-allowed;
    opacity: 0.6;
}
.quality-button.disabled:hover { background: #0f172a; }

.notice {
    padding: 10px 18px;
    border-bottom: 1px solid var(--border);
}
.notice p { margin: 0; }
.notice p + p { margin-top: 6px; }
.notice.warning {
    background: rgba(251, 191, 36, 0.12);
    color: #fde68a;
}

.viewer-frame {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    background: #000;
}

.viewer {
    width: 100%;
    height: calc(100vh - 220px);
    min-height: 430px;
    border: 0;
    background: #000;
    display: block;
}

.thumb-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

.thumb {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    color: var(--text);
}

.thumb:hover { border-color: var(--accent); text-decoration: none; }
.thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: #000; }
.thumb span {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 10px 12px;
}
.thumb span .icon {
    width: 16px;
    height: 16px;
    margin-inline-end: 7px;
    color: var(--accent);
}

.toolbar {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: flex-end;
}
.toolbar label {
    color: var(--muted);
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 160px;
}
.toolbar label > span {
    display: flex;
    align-items: center;
    gap: 0;
}
.toolbar label .icon {
    width: 16px;
    height: 16px;
    margin-inline-end: 7px;
    color: var(--accent);
}
select {
    background: #0f172a;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px;
}

.recording-list { padding: 10px; }
.recording-item {
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid #334155;
}
.recording-item:last-child { border-bottom: 0; }
.recording-item strong {
    display: flex;
    align-items: center;
    gap: 0;
}
.recording-item strong .icon {
    width: 18px;
    height: 18px;
    margin-inline-end: 8px;
    color: var(--accent);
}
.recording-item strong span { color: var(--text); }
.recording-item > div > span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }

.status-grid {
    padding: 18px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}
.metric {
    background: #0f172a;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
}
.metric span {
    display: flex;
    align-items: center;
    gap: 0;
    color: var(--muted);
    margin-bottom: 8px;
}
.metric span .icon {
    width: 18px;
    height: 18px;
    margin-inline-end: 9px;
    color: var(--accent);
}
.metric strong { font-size: 18px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; border-top: 1px solid var(--border); padding: 12px 14px; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td span { color: var(--muted); font-size: 13px; }
.table-title {
    display: inline-flex;
    align-items: center;
    gap: 0;
}
.table-title span { color: var(--text); font-size: inherit; }
.table-title .icon, td > .icon {
    width: 18px;
    height: 18px;
    color: var(--accent);
    margin-inline-end: 8px;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    background: #334155;
    color: var(--text);
}
.badge.active { background: #065f46; color: #d1fae5; }
.badge.disabled { background: #374151; color: #cbd5e1; }
.badge.inactive, .badge.failed { background: #7f1d1d; color: #fee2e2; }

.muted { color: var(--muted); }
.error-card { border-color: var(--danger); }

@media (max-width: 1024px) {
    .app-grid { grid-template-columns: 240px 1fr; }
    .sidebar { padding: 14px; }
    .content { padding: 16px; }
    .viewer { min-height: 360px; }
}

@media (max-width: 768px) {
    .topbar {
        min-height: 0;
        padding: 10px 12px 12px;
        align-items: stretch;
        flex-direction: column;
        gap: 8px;
    }
    .topbar h1 { font-size: 20px; line-height: 1.1; }
    .topbar p { display: none; }

    .topnav {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
    }
    .topnav a {
        min-height: 44px;
        padding: 8px 10px;
        white-space: nowrap;
    }

    .page { min-height: calc(100vh - 105px); }
    .app-grid {
        display: grid;
        grid-template-columns: 1fr;
        min-height: 0;
    }
    .app-grid > .content { order: 1; }
    .app-grid > .sidebar { order: 2; }
    .desktop-camera-sidebar { display: none; }
    .content { padding: 12px; }
    .content.full { max-width: none; }

    .card {
        margin-bottom: 12px;
        border-left: 0;
        border-right: 0;
    }
    .card-header {
        padding: 11px 12px;
        gap: 10px;
        align-items: flex-start;
        flex-wrap: wrap;
    }
    .card-header h2 { font-size: 18px; line-height: 1.15; }
    .card-header p {
        font-size: 13px;
        margin-top: 3px;
        overflow-wrap: anywhere;
    }
    .actions { gap: 8px; }
    .actions a { min-height: 36px; }

    .viewer-toolbar {
        padding: 10px 12px;
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 8px;
    }
    .quality-status {
        font-size: 14px;
        white-space: nowrap;
    }
    .quality-toggle { width: auto; }
    .quality-button {
        min-width: 58px;
        min-height: 44px;
        padding: 0 14px;
        font-weight: 700;
    }

    .notice { padding: 9px 12px; font-size: 14px; }

    .viewer-card {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .viewer-frame {
        aspect-ratio: 16 / 9;
        height: auto;
        min-height: 180px;
        max-height: none;
    }

    .viewer-frame .viewer {
        width: 100%;
        height: 100%;
        min-height: 0;
        max-height: none;
    }

    .viewer-frame.scaled-viewer .viewer {
        width: 980px;
        height: 552px;
        transform: scale(var(--viewer-scale, 1));
        transform-origin: 0 0;
    }

    .mobile-camera-selector {
        display: flex;
        gap: 8px;
        margin: -2px 0 14px;
        padding: 2px 2px 12px;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x proximity;
        scrollbar-width: thin;
        border: 0;
        background: transparent;
    }
    .mobile-camera-selector .camera-link {
        flex: 0 0 auto;
        min-width: 112px;
        max-width: 150px;
        margin: 0;
        padding: 10px 12px;
        border-radius: 999px;
        scroll-snap-align: start;
        text-align: center;
        white-space: nowrap;
    }
    .mobile-camera-selector .camera-link strong {
        display: flex;
        justify-content: center;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .mobile-camera-selector .camera-link strong span {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .mobile-camera-selector .camera-link strong .icon {
        width: 15px;
        height: 15px;
        margin-inline-end: 6px;
    }
    .mobile-camera-selector .camera-link > span { display: none; }

    .sidebar:not(.desktop-camera-sidebar):not(.mobile-camera-selector) {
        display: flex;
        gap: 8px;
        padding: 12px;
        overflow-x: auto;
        border-right: 0;
        border-top: 1px solid var(--border);
        background: #111827;
    }
    .sidebar:not(.desktop-camera-sidebar):not(.mobile-camera-selector) .camera-link {
        flex: 0 0 auto;
        min-width: 132px;
        margin: 0;
        padding: 10px 12px;
    }

    .thumb-grid {
        margin-top: 10px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }
    .thumb span {
        padding: 8px 9px;
        font-size: 14px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .status-grid {
        padding: 12px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }
    .metric { padding: 12px; }
    .metric strong { font-size: 16px; overflow-wrap: anywhere; }

    .recording-item { align-items: flex-start; flex-direction: column; }
    .toolbar { padding: 12px; }
    .toolbar label { flex: 1 1 140px; min-width: 0; }
    .toolbar select { width: 100%; }
}

@media (max-width: 480px) {
    .topbar { padding: 9px 10px 10px; }
    .topnav { gap: 6px; }
    .topnav a { padding: 8px; font-size: 14px; }
    .topnav a .icon {
        width: 16px;
        height: 16px;
        margin-inline-end: 5px;
    }
    .content { padding: 10px 8px; }
    .mobile-camera-selector .camera-link {
        min-width: 116px;
        max-width: 146px;
    }
    .thumb-grid { gap: 7px; }
    .status-grid { grid-template-columns: 1fr; }
    th, td { padding: 10px; }
}

@media (max-width: 360px) {
    .viewer-toolbar {
        grid-template-columns: 1fr;
        justify-items: stretch;
    }
    .quality-toggle { width: 100%; }
    .quality-button { flex: 1 1 0; }
}

@media (max-width: 340px) {
    .thumb-grid { grid-template-columns: 1fr; }
}