:root {
    --color-gray-50: #f9fafb;
    --color-gray-200: #e5e7eb;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-amber-50: #fffbeb;
    --color-amber-200: #fde68a;
    --color-amber-600: #d97706;
    --color-amber-900: #78350f;
    --color-red-50: #fef2f2;
    --color-red-200: #fecaca;
    --color-red-600: #dc2626;
    --color-red-700: #b91c1c;
    --color-emerald-600: #059669;
    --color-blue-600: #2563eb;
    --color-blue-700: #1d4ed8;
    --color-white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --radius-xl: 0.75rem;
    --font-sans: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

[x-cloak] {
    display: none !important;
}

html.embed .embed-hide {
    display: none !important;
}

html.embed body {
    background: transparent;
}

html.embed .page {
    max-width: none;
    padding: 0;
}

body {
    margin: 0;
    background: var(--color-gray-50);
    color: var(--color-gray-900);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page {
    max-width: 1024px;
    margin-left: auto;
    margin-right: auto;
    padding: 1.5rem 1rem;
}

.page__grid {
    display: grid;
    gap: 1.5rem;
    min-width: 0;
}

.page__title {
    margin: 0;
    font-size: 1.5rem;
    line-height: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.page__subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: var(--color-gray-500);
}

.alert {
    border-radius: var(--radius-xl);
    border-width: 1px;
    border-style: solid;
    font-size: 0.875rem;
    line-height: 1.25rem;
    padding: 0.75rem 1rem;
}

.alert--warning {
    border-color: var(--color-amber-200);
    background: var(--color-amber-50);
    color: var(--color-amber-900);
}

.alert--error {
    border-color: var(--color-red-200);
    background: var(--color-red-50);
    color: var(--color-red-700);
    cursor: pointer;
}

.card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.card__body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 1rem;
}

.card__section {
    text-align: center;
    width: 100%;
}

.card__label {
    margin: 0 0 0.25rem;
    font-size: 0.75rem;
    line-height: 1rem;
    font-weight: 600;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card__label--spaced {
    margin-bottom: 0.5rem;
}

.card__value {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 500;
    color: var(--color-gray-800);
}

.card__status {
    margin: 0.125rem 0 0;
    font-size: 0.75rem;
    line-height: 1rem;
}

.session-code {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 2.25rem;
    line-height: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--color-gray-900);
    font-variant-numeric: tabular-nums;
}

@media (min-width: 640px) {
    .session-code {
        font-size: 3rem;
        line-height: 1;
    }
}

.master-status {
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.75rem;
    font-weight: 600;
}

.status-muted {
    color: var(--color-gray-400);
}

.status-ready {
    color: var(--color-emerald-600);
}

.master-idle {
    color: var(--color-gray-400);
}

.master-waiting {
    color: var(--color-amber-600);
}

.master-connected {
    color: var(--color-emerald-600);
}

.master-disconnected {
    color: var(--color-red-600);
}

.btn-row {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 0.5rem;
    width: 100%;
    justify-content: center;
}

@media (min-width: 640px) {
    .btn-row {
        flex-direction: row;
    }
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    background: transparent;
    color: var(--color-gray-700);
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.btn:hover:not(:disabled) {
    background: var(--color-gray-50);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn--primary {
    border-color: transparent;
    background: var(--color-blue-600);
    color: var(--color-white);
}

.btn--primary:hover:not(:disabled) {
    background: var(--color-blue-700);
}

.btn--primary:disabled:hover {
    background: var(--color-blue-600);
}

.btn--danger {
    border-color: var(--color-red-200);
    color: var(--color-red-700);
}

.btn--danger:hover:not(:disabled) {
    background: var(--color-red-50);
}

.btn--danger:disabled {
    opacity: 0.5;
}