body {
    padding: 0 16px;
    min-height: 100dvh;
}

.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 0 64px;
}

.back {
    display: inline-block;
    color: var(--blue);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 24px;
}

.back:hover { text-decoration: underline; }

.hero-panel,
.runtime-panel,
.lab-panel,
.bg-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md), var(--ds-glass-inset-shadow);
    -webkit-backdrop-filter: blur(var(--glass-blur)) var(--glass-saturate);
    backdrop-filter: blur(var(--glass-blur)) var(--glass-saturate);
}

.hero-panel {
    padding: 28px;
    margin-bottom: 18px;
}

.eyebrow,
.panel-kicker,
.lab-split-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.eyebrow,
.panel-kicker {
    color: var(--blue);
    margin-bottom: 10px;
}

h1 {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.lab-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.lab-split-card {
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface);
}

.lab-split-card.accent {
    border-color: rgba(0, 122, 255, 0.26);
    background: rgba(0, 122, 255, 0.08);
}

.lab-split-label {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.lab-split-card strong {
    display: block;
    font-size: 17px;
    margin-bottom: 6px;
}

.lab-split-card p,
.panel-header p,
.status-help,
.panel-note {
    font-size: 14px;
    color: var(--text-secondary);
}

.runtime-panel,
.lab-panel,
.bg-panel {
    padding: 22px;
}

.runtime-panel,
.lab-panel {
    margin-bottom: 18px;
}

.panel-header {
    margin-bottom: 16px;
}

.panel-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--surface);
    border: 1px solid var(--border);
    margin-bottom: 10px;
    font-size: 14px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.checking { background: var(--orange); }
.status-dot.active { background: var(--green); }
.status-dot.inactive { background: var(--red); }

.status-help {
    margin-bottom: 12px;
}

.status-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.status-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 14px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

.status-link:hover {
    text-decoration: none;
}

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

.capability-card {
    padding: 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface);
}

.capability-card strong {
    display: block;
    font-size: 14px;
    margin-bottom: 4px;
}

.capability-card span {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
}

.capability-card.ready {
    border-color: rgba(52, 199, 89, 0.28);
}

.capability-card.waiting {
    border-color: rgba(255, 149, 0, 0.28);
}

.capability-card.warning {
    border-color: rgba(255, 59, 48, 0.24);
}

.panel-disabled {
    opacity: 0.84;
}

.scan-btn {
    display: block;
    width: 100%;
    min-height: var(--touch-target);
    padding: 16px;
    border: none;
    border-radius: var(--radius-pill);
    background: rgba(0, 122, 255, 0.72);
    color: #FFFFFF;
    font-size: 17px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: opacity 0.15s var(--ease-standard), transform 0.15s var(--ease-standard);
}

.scan-btn:active { opacity: 0.7; transform: scale(0.985); }
.scan-btn:disabled { opacity: 0.4; cursor: default; }

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

.secondary-btn,
.tertiary-btn {
    display: block;
    width: 100%;
    min-height: var(--touch-target);
    padding: 14px 16px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: opacity 0.15s var(--ease-standard), transform 0.15s var(--ease-standard), background-color 0.15s var(--ease-standard);
}

.secondary-btn {
    border: none;
    background: rgba(0, 122, 255, 0.72);
    color: #FFFFFF;
}
.tertiary-btn {
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text);
    -webkit-backdrop-filter: blur(var(--glass-blur)) var(--glass-saturate);
    backdrop-filter: blur(var(--glass-blur)) var(--glass-saturate);
}

.secondary-btn:active,
.tertiary-btn:active { opacity: 0.7; transform: scale(0.985); }
.secondary-btn:disabled,
.tertiary-btn:disabled { opacity: 0.4; cursor: default; }

.bg-panel {
    margin-top: 0;
}

.bg-panel[hidden] {
    display: none;
}

.panel-note {
    margin-top: 8px;
}

.bg-config {
    font-size: 13px;
    color: var(--text-secondary);
    font-family: var(--mono);
    margin-bottom: 16px;
    word-break: break-word;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
}

.bg-results {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.bg-results strong {
    display: block;
    font-size: 15px;
    margin-bottom: 8px;
}

.bg-results ul {
    list-style: none;
}

.bg-results li {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.device-list {
    margin-top: 24px;
}

.device-list[hidden] {
    display: none;
}

.device-list h2 {
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.device-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-md), var(--ds-glass-inset-shadow);
    -webkit-backdrop-filter: blur(var(--glass-blur)) var(--glass-saturate);
    backdrop-filter: blur(var(--glass-blur)) var(--glass-saturate);
    margin-bottom: 8px;
}

.device-name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
}

.device-id {
    font-size: 13px;
    font-family: var(--mono);
    color: var(--text-secondary);
}

.device-meta {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.empty {
    text-align: center;
    color: var(--text-secondary);
    font-size: 15px;
    padding: 32px 0;
}

.error-msg {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(255, 59, 48, 0.1);
    border-radius: var(--radius-sm);
    color: var(--red);
    font-size: 14px;
}

@media (max-width: 640px) {
    .container {
        padding-top: 32px;
    }

    .hero-panel,
    .runtime-panel,
    .lab-panel,
    .bg-panel {
        padding: 18px;
    }

    .lab-split,
    .capability-list,
    .button-grid {
        grid-template-columns: 1fr;
    }

    .status-actions {
        flex-direction: column;
    }

    .status-link {
        width: 100%;
    }
}