:root {
    --bg:           #000;
    --bg-input:     #111;
    --bg-hover:     #222;
    --bg-danger:    #200;
    --fg:           #fff;
    --fg-muted:     #aaa;
    --fg-danger:    #f66;
    --border:       #fff;
    --border-muted: #333;
    --border-input: #555;
    --font:         monospace;
}

*, *::before, *::after { box-sizing: border-box; }

/* ── Utilities ── */
.hidden   { display: none; }
.contents { display: contents; }

/* ── Shared base ── */
body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    margin: 0;
}

button {
    background: var(--bg);
    color: var(--fg);
    border: 1px solid var(--border);
    font-family: var(--font);
    cursor: pointer;
    white-space: nowrap;

    &:hover { background: var(--bg-hover); }
    &:disabled { opacity: 0.4; cursor: not-allowed; }
    &.running { opacity: 0.5; cursor: wait; }
}

/* ── Error ── */
body.error {
    color: var(--fg-danger);
    padding: 2rem;
}

/* ── Login ── */
body.login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;

    form {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        min-width: 280px;
    }

    h2 { margin: 0 0 1rem; }

    input[type=password] {
        background: var(--bg-input);
        color: var(--fg);
        border: 1px solid var(--border-input);
        padding: 0.5rem;
        font-family: var(--font);
        font-size: 1rem;
    }

    button {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }

    .error { color: var(--fg-danger); }
}

/* ── Dashboard ── */
body.dashboard {
    display: grid;
    grid-template-rows: auto 1fr;
    height: 100vh;
    overflow: hidden;
}

#actionbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border-muted);
    position: sticky;
    top: 0;
    z-index: 10;

    button {
        padding: 0.3rem 0.75rem;
        font-size: 0.9rem;
    }
}

.group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.group-label {
    color: var(--fg-muted);
    margin-right: 0.25rem;
    white-space: nowrap;
}

#stopbtn,
#logoutbtn {
    color: var(--fg-danger);
    border-color: var(--fg-danger);

    &:hover { background: var(--bg-danger); }
}

#timer {
    color: var(--fg-muted);
    font-size: 0.85rem;
    margin-left: auto;
    padding-right: 0.5rem;
}

#terminal {
    padding: 1rem;
    overflow-y: auto;
    min-height: 300px;
    white-space: pre-wrap;
    word-break: break-all;

    .err { color: var(--fg-danger); }
}