/**
 * Utilities Styles - 工具類別與額外響應式設計
 * 包含快速工具類別、表格響應式、額外斷點調整
 */

/* ==================== Utility Classes ==================== */

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Flexbox */
.flex-wrap { flex-wrap: wrap !important; }
.flex-column { flex-direction: column !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.align-center { align-items: center !important; }
.gap-1 { gap: 4px !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 12px !important; }
.gap-4 { gap: 16px !important; }

/* Margin */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mt-4 { margin-top: 16px !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 16px !important; }

/* Padding */
.p-0 { padding: 0 !important; }
.p-1 { padding: 4px !important; }
.p-2 { padding: 8px !important; }
.p-3 { padding: 12px !important; }
.p-4 { padding: 16px !important; }

/* Text */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-sm { font-size: 0.875rem !important; }
.text-xs { font-size: 0.75rem !important; }
.text-muted { color: var(--text-secondary) !important; }
.text-primary { color: var(--primary) !important; }
.text-danger { color: var(--danger) !important; }
.text-success { color: var(--success) !important; }
.fw-bold { font-weight: 600 !important; }
.fw-normal { font-weight: 400 !important; }

/* Width */
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }

/* Overflow */
.overflow-auto { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }
.overflow-x-auto { overflow-x: auto !important; }

/* Visibility */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* ==================== Table Responsive ==================== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive table {
    min-width: 600px;
}

/* ==================== Position List Specific ==================== */
.position-table {
    width: 100%;
    border-collapse: collapse;
}

.position-table th,
.position-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.position-table th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
}

.position-table td {
    font-size: 0.9rem;
}

.position-table tr:hover {
    background: rgba(41, 128, 185, 0.05);
}

/* ==================== Responsive Hide/Show ==================== */
@media (min-width: 769px) {
    .hide-desktop { display: none !important; }
}

@media (max-width: 768px) {
    .hide-tablet { display: none !important; }
}

@media (max-width: 480px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 481px) {
    .show-mobile-only { display: none !important; }
}

/* ==================== Extra Responsive Adjustments ==================== */

/* Tablets (768px) */
@media (max-width: 768px) {
    /* Table */
    .position-table th,
    .position-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    /* Utility overrides */
    .text-sm { font-size: 0.8rem !important; }
    .text-xs { font-size: 0.7rem !important; }

    /* Form wrapper for side-by-side elements */
    .input-with-button {
        flex-direction: column;
    }

    .input-with-button .btn-lookup {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile Phones (480px) */
@media (max-width: 480px) {
    /* Table */
    .position-table th,
    .position-table td {
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    /* Stack buttons on very small screens */
    .btn-group-vertical {
        flex-direction: column;
        width: 100%;
    }

    .btn-group-vertical .btn {
        width: 100%;
    }

    /* Hide less important table columns */
    .position-table .hide-xs {
        display: none;
    }
}

/* ==================== Print Styles ==================== */
@media print {
    .sidebar,
    .logout-btn,
    .module-selector,
    .form-actions,
    .ai-bags-container,
    .ai-generate-btn,
    .nav-buttons,
    .toast,
    .modal-overlay {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }

    .app-container {
        display: block;
    }

    .form-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .tab-content {
        display: block !important;
        page-break-inside: avoid;
    }

    .tabs {
        display: none;
    }
}

/* ==================== Safe Area for notched devices ==================== */
@supports (padding: max(0px)) {
    .sidebar {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }

    .main-content {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }

    @media (max-width: 768px) {
        .sidebar {
            padding-bottom: max(12px, env(safe-area-inset-bottom));
        }
    }
}

/* ==================== Reduced Motion ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}