:root {
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #111111;
    color: #f6f4ee;
    --surface: #1f1f1c;
    --surface-strong: #292923;
    --line: #3c3a31;
    --accent: #8fd14f;
    --accent-strong: #6bbf35;
    --danger: #e45d5d;
    --muted: #aaa69a;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body.app-ui {
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(180deg, rgba(143, 209, 79, 0.08), transparent 34rem), #111111;
}

body.app-ui button,
body.app-ui input {
    font: inherit;
}

.app-ui .app-shell {
    width: min(100%, 48rem);
    min-height: 100vh;
    margin: 0 auto;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1.25rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    display: grid;
    grid-template-rows: auto auto 1fr;
    gap: 1rem;
}

.app-ui .topbar {
    min-height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-ui .eyebrow {
    margin: 0 0 0.2rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
}

.app-ui h1 {
    margin: 0;
    font-size: 2.5rem;
    line-height: 1;
}

.app-ui .connection-dot {
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 0.35rem rgba(143, 209, 79, 0.15);
}

.app-ui .top-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.app-ui .account-block {
    display: grid;
    justify-items: end;
    gap: 0.25rem;
}

.app-ui .top-link {
    min-height: 2.25rem;
    display: inline-flex;
    align-items: center;
    padding: 0 0.75rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #f6f4ee;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
}

.app-ui .signed-in-user {
    max-width: 9rem;
    overflow: hidden;
    color: var(--muted);
    font-size: 0.76rem;
    line-height: 1.1;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-ui .camera-panel {
    overflow: hidden;
    min-height: 13rem;
    aspect-ratio: 16 / 10;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #070707;
}

.app-ui .camera-media {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border: 0;
}

.app-ui iframe.camera-media {
    background: #070707;
}

.app-ui .camera-empty {
    min-height: 100%;
    display: grid;
    place-content: center;
    gap: 0.45rem;
    padding: 1rem;
    text-align: center;
    color: var(--muted);
}

.app-ui .camera-empty strong {
    color: #f6f4ee;
}

.app-ui .controls-panel {
    display: grid;
    align-content: start;
    gap: 0.9rem;
}

.app-ui .button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr));
    gap: 0.75rem;
}

.app-ui .button-grid form {
    min-width: 0;
}

.app-ui .relay-button {
    width: 100%;
    min-height: 4.75rem;
    display: grid;
    grid-template-columns: 1.45rem 1fr;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    border: 1px solid color-mix(in srgb, var(--button-color, var(--accent)) 82%, white);
    border-radius: 8px;
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--button-color, var(--accent)) 88%, white),
        color-mix(in srgb, var(--button-color, var(--accent)) 82%, black)
    );
    color: #102007;
    font-weight: 800;
    text-align: left;
    cursor: pointer;
    touch-action: manipulation;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.24);
}

.app-ui .relay-button:active {
    transform: translateY(1px);
}

.app-ui .relay-button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.app-ui .relay-button.has-error {
    border-color: var(--danger);
    background: linear-gradient(180deg, #ef8b8b, var(--danger));
    color: #2b0606;
}

.app-ui .relay-button__icon {
    width: 1.45rem;
    height: 1.45rem;
    border: 0.2rem solid currentColor;
    border-top-color: transparent;
    border-right-color: transparent;
    transform: rotate(-45deg);
}

.app-ui .relay-button.is-busy .relay-button__icon {
    animation: pulse 0.8s ease-in-out infinite;
}

.app-ui .action-status,
.app-ui .muted {
    min-height: 1.4rem;
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.app-ui .login-shell {
    width: min(100%, 28rem);
    min-height: 100vh;
    margin: 0 auto;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1.25rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    display: grid;
    align-items: center;
}

.app-ui .login-panel {
    display: grid;
    gap: 1rem;
    padding: 1.25rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
}

.app-ui .field {
    display: grid;
    gap: 0.4rem;
    color: var(--muted);
    font-weight: 700;
}

.app-ui .field input {
    width: 100%;
    min-height: 3rem;
    padding: 0 0.85rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #111111;
    color: #f6f4ee;
}

.app-ui .check-field {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--muted);
}

.app-ui .primary-button {
    min-height: 3.25rem;
    border: 1px solid #81bd51;
    border-radius: 8px;
    background: linear-gradient(180deg, var(--accent), var(--accent-strong));
    color: #102007;
    font-weight: 800;
    cursor: pointer;
}

.app-ui .form-error {
    margin: 0;
    padding: 0.75rem;
    border: 1px solid var(--danger);
    border-radius: 8px;
    color: #ffd7d7;
    background: rgba(228, 93, 93, 0.12);
}

@keyframes pulse {
    50% {
        opacity: 0.35;
    }
}

@media (max-width: 36rem) {
    .app-ui .app-shell {
        gap: 0.85rem;
    }

    .app-ui .button-grid {
        grid-template-columns: 1fr;
    }

    .app-ui .camera-panel {
        min-height: 12rem;
    }

    .app-ui .topbar {
        align-items: start;
        gap: 0.75rem;
    }

    .app-ui .top-actions {
        align-items: end;
        flex-direction: column;
    }

    .app-ui .signed-in-user {
        max-width: 8rem;
    }
}