/* Explain: General UI component styles and layout helpers. */
.wrap-narrow {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    max-width: 48rem;
}

.section-head {
    max-width: 42rem;
}

.section-head h2 {
    margin-top: 1.25rem;
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--primary-color);
}

.section-head p {
    margin-top: 1rem;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-muted);
}

.page-head {
    display: grid;
    gap: 0.8rem;
}

.page-head h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--primary-color);
}

.page-head p {
    max-width: 44rem;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-muted);
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.breadcrumbs a:hover { color: var(--primary-hover); }
.breadcrumbs .crumb-sep { color: var(--border-strong); }
.breadcrumbs [aria-current="page"] { color: var(--text-color); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    padding: 0.2rem 0.65rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.badge-neutral { background: var(--surface-color); border-color: var(--border-color); color: var(--text-muted); }
.badge-brand { background: var(--primary-soft); color: var(--primary-color); }
.badge-accent { background: var(--accent-color); color: var(--primary-color); }
.badge-success { background: var(--success-bg); color: var(--success-color); }
.badge-warning { background: var(--warning-bg); color: var(--warning-color); }
.badge-error { background: var(--error-bg); color: var(--error-color); }
.badge-info { background: var(--info-bg); color: var(--info-color); }

/* KPI cards */
.kpi-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}

.kpi-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: #fff;
    padding: 1.25rem 1.35rem;
    box-shadow: var(--shadow-card);
}

.kpi-label {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.kpi-label i { color: var(--primary-color); }

.kpi-value {
    margin-top: 0.65rem;
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--primary-color);
}

.kpi-foot {
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tabs */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.35rem;
}

.tab {
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    background: transparent;
    padding: 0.5rem 1rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.tab:hover { background: var(--surface-color); color: var(--primary-color); }
.tab.is-active { background: var(--primary-color); color: #fff; }

/* Check field */
.check-field {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.check-field input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.1rem;
    accent-color: var(--primary-color);
}

/* States */
.state-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    background: var(--surface-color);
    padding: clamp(2rem, 5vw, 3.25rem) 1.5rem;
    text-align: center;
}

.state-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
    font-size: 1.15rem;
    color: var(--primary-color);
}

.state-block h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-color); }
.state-block p { max-width: 30rem; font-size: 0.9rem; line-height: 1.7; color: var(--text-muted); }

.state-error {
    border-style: solid;
    border-color: var(--error-bg);
    background: var(--error-bg);
}

.state-error .state-icon { border-color: transparent; color: var(--error-color); }

.loading-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
    padding: clamp(2rem, 5vw, 3rem) 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.divider {
    height: 1px;
    width: 100%;
    border: 0;
    background: var(--border-color);
}

.preview-flag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    background: var(--surface-color);
    padding: 0.2rem 0.7rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}