/* ============================================================================
   SPURA HUB v3 - Button Components
   Extracted from components.css. Keep button primitives here.
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4375rem;
    padding: 0.5625rem 1.0625rem;
    min-height: var(--control-height-md);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: -.01em;
    line-height: 1.4;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        color var(--transition-fast),
        opacity var(--transition-fast);
    white-space: nowrap;
    font-family: var(--font-sans);
}

.btn:hover { text-decoration: none; }

.btn:focus-visible {
    outline: 2px solid var(--brand-500);
    outline-offset: 2px;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-static { cursor: default; pointer-events: none; }

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-surface);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
    color: var(--bg-surface);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--brand-600), var(--brand-700));
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-color-strong);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger-500);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover:not(:disabled) { background: var(--danger-600); }

.btn-danger-outline {
    background: var(--bg-surface);
    color: var(--danger-600);
    border-color: var(--danger-300);
    box-shadow: var(--shadow-xs);
}

.btn-danger-outline:hover:not(:disabled) {
    background: var(--danger-50);
    border-color: var(--danger-500);
    color: var(--danger-600);
}

.btn-success {
    background: var(--success-500);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover:not(:disabled) { background: var(--success-600); }

.btn-sm { min-height: var(--control-height-sm); padding: 0.3125rem 0.6875rem; font-size: 0.8125rem; border-radius: var(--radius-sm); }
.btn-lg { min-height: var(--control-height-lg); padding: 0.75rem 1.5rem; font-size: 1rem; border-radius: var(--radius-lg); }

.btn-icon {
    width: 34px; height: 34px;
    padding: 0;
    justify-content: center;
}

.btn-dashed {
    width: 100%;
    border-style: dashed;
    border-color: var(--color-border);
}

.btn-dashed-strong {
    border-width: 2px;
}

.showroom-btn-lg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.order-edit-delete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.75rem;
    min-height: 1.75rem;
    background: none;
    border: none;
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    color: var(--danger-600);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    padding: 0 0.25rem;
}

.order-edit-delete-btn:hover,
.order-edit-delete-btn:focus-visible {
    background: color-mix(in srgb, var(--danger-600) 12%, transparent);
    outline: none;
}

.purchase-order-line-remove {
    padding: 0.25rem 0.5rem;
}