.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-5);
    padding: var(--space-6) var(--space-8);
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
    backdrop-filter: blur(16px);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.page-header--static {
    position: static;
    top: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.page-header--compact {
    padding: var(--space-5) var(--space-6);
}

.page-header__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    min-width: 0;
}

.page-header__eyebrow {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    min-width: 0;
}

.page-header__eyebrow-label {
    display: inline-flex;
    align-items: center;
    min-height: 1.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    color: var(--primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.page-header__description {
    max-width: 46rem;
    margin: 0;
    margin-left: 10px;
    color: var(--text-light);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.page-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.page-header__action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 42px;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.page-header__action i {
    font-size: var(--font-size-xs);
}

.page-header__action--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 8px 18px rgba(0, 62, 197, 0.18);
}

.page-header__action--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 22px rgba(0, 62, 197, 0.22);
}

.page-header__action--secondary {
    background: #ffffff;
    color: var(--text-medium);
    border-color: var(--border-color);
}

.page-header__action--secondary:hover {
    background: var(--bg-secondary);
    color: var(--text-dark);
    border-color: #d1d5db;
}

.page-header__action:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.page-header__action.spinning i {
    animation: spin 0.6s linear infinite;
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-5) var(--space-4);
        top: 52px;
    }

    .page-header--static {
        top: auto;
    }

    .page-header__actions {
        width: 100%;
    }

    .page-header__action {
        width: 100%;
    }
}