:root {
    --app-bg: #eef3f1;
    --app-surface: #ffffff;
    --app-text: #17211e;
    --app-muted: #66736e;
    --app-border: #d9e3df;
    --app-primary: #176d73;
    --app-primary-dark: #0f4e54;
    --app-primary-soft: #dff1ee;
    --app-warm: #d95f32;
    --app-cool: #2d6cdf;
    --app-shadow: 0 18px 45px rgba(21, 38, 35, 0.12);
}

body.app-shell {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(32, 132, 122, 0.16), transparent 34rem),
        linear-gradient(180deg, #f8fbfa 0%, var(--app-bg) 100%);
    color: var(--app-text);
}

.app-navbar {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--app-border);
    box-shadow: 0 8px 26px rgba(23, 33, 30, 0.06);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    color: var(--app-text);
}

.navbar-subtitle,
.card-header-note {
    color: var(--app-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

.app-brand-mark {
    align-items: center;
    background: linear-gradient(135deg, var(--app-primary), #35a18f);
    border-radius: 0.7rem;
    box-shadow: 0 10px 20px rgba(23, 109, 115, 0.2);
    color: #ffffff;
    display: inline-flex;
    font-size: 0.78rem;
    font-weight: 800;
    height: 2.4rem;
    justify-content: center;
    letter-spacing: 0;
    width: 2.4rem;
}

.app-container {
    padding-bottom: 3rem;
    padding-top: 2rem;
}

.dashboard-heading {
    align-items: center;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.dashboard-heading h1 {
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    font-weight: 800;
    letter-spacing: 0;
    margin: 0;
}

.dashboard-heading p {
    color: var(--app-muted);
    margin: 0.25rem 0 0;
}

.status-pill {
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.45rem 0.8rem;
    white-space: nowrap;
}

.status-pill--active {
    background: #dff7e7;
    color: #17623a;
}

.status-pill--paused {
    background: #f7e6df;
    color: #8b3a1f;
}

.card {
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    box-shadow: var(--app-shadow);
}

.card-header {
    background: var(--app-surface);
    border-bottom: 1px solid var(--app-border);
    border-radius: 0.75rem 0.75rem 0 0 !important;
    color: var(--app-text);
    font-weight: 800;
    padding: 1rem 1.15rem;
}

.card-body {
    padding: 1.15rem;
}

.dashboard-card {
    overflow: hidden;
}

.aspect-1 {
    aspect-ratio: 1 / 1;
    height: auto;
}

.setpoint {
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--app-border);
    border-radius: 0.7rem;
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.setpoint svg {
    height: 1rem;
}

.setpoint--heat {
    color: var(--app-warm);
}

.setpoint--cool {
    color: var(--app-cool);
}

.metric-card {
    background: linear-gradient(180deg, #ffffff 0%, #f5f8f7 100%);
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
    min-height: 9.5rem;
}

.metric-value {
    color: var(--app-text);
    font-size: clamp(1.7rem, 4vw, 2.35rem);
    font-weight: 800;
    line-height: 1;
    text-align: center;
    width: calc(100% - 1rem);
}

.metric-value--text {
    font-size: clamp(1.1rem, 3vw, 1.7rem);
    line-height: 1.15;
}

.metric-label {
    background: var(--app-primary);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0;
}

.btn-primary {
    --bs-btn-bg: var(--app-primary);
    --bs-btn-border-color: var(--app-primary);
    --bs-btn-hover-bg: var(--app-primary-dark);
    --bs-btn-hover-border-color: var(--app-primary-dark);
    --bs-btn-active-bg: var(--app-primary-dark);
    --bs-btn-active-border-color: var(--app-primary-dark);
}

.btn-success {
    --bs-btn-bg: #1f7a4d;
    --bs-btn-border-color: #1f7a4d;
    --bs-btn-hover-bg: #17633e;
    --bs-btn-hover-border-color: #17633e;
}

.action-button {
    font-weight: 800;
    padding: 0.8rem 1rem;
}

.worker-status {
    background: #f5f8f7;
    border: 1px solid var(--app-border);
    border-radius: 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
}

.worker-status-row {
    align-items: center;
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
    width: 100%;
}

.worker-status-label {
    color: var(--app-muted);
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.worker-status-value {
    color: var(--app-text);
    font-weight: 800;
}

.form-control,
.form-select,
.input-group-text {
    border-color: var(--app-border);
    border-radius: 0.6rem;
}

.input-group .form-control {
    border-bottom-right-radius: 0;
    border-top-right-radius: 0;
}

.input-group .input-group-text {
    background: #f4f8f6;
    border-bottom-left-radius: 0;
    border-top-left-radius: 0;
    color: var(--app-muted);
    font-weight: 700;
}

.form-check-input:checked {
    background-color: var(--app-primary);
    border-color: var(--app-primary);
}

.form-text {
    color: var(--app-muted);
    font-size: 0.82rem;
}

.flair-vent-grid {
    display: grid;
    gap: 1rem 1.25rem;
    grid-template-columns: 1fr;
}

.flair-vent-field .form-label {
    align-items: center;
    color: var(--app-text);
    display: flex;
    flex-wrap: wrap;
    font-weight: 700;
    gap: 0.35rem;
    margin-bottom: 0.45rem;
}

@media (min-width: 992px) {
    .flair-vent-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.debug-section-title {
    color: var(--app-muted);
    font-size: 0.78rem;
    font-weight: 800;
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.debug-output {
    background: #111816;
    border-radius: 0.5rem;
    color: #d7f6ea;
    font-size: 0.78rem;
    margin: 0;
    max-height: 22rem;
    overflow: auto;
    padding: 0.85rem;
    white-space: pre-wrap;
}

.login-shell {
    align-items: center;
    display: flex;
}

.login-card {
    margin-inline: auto;
    max-width: 30rem;
}

.login-card .card-header {
    font-size: 1.25rem;
    padding: 1.6rem 1rem;
}

@media (max-width: 575.98px) {
    .dashboard-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .navbar-brand {
        gap: 0.65rem !important;
    }

    .navbar-subtitle,
    .card-header-note {
        display: none;
    }
}