/* ===== CREATE SALES ORDER PAGE STYLES ===== */
/* Follows the dashboard CSS variable system for full Light/Dark Mode support */

/* ========================================
   HERO BANNER
   ======================================== */
.so-hero-banner {
    background: linear-gradient(135deg,
            rgba(99, 102, 241, 0.12) 0%,
            rgba(139, 92, 246, 0.08) 50%,
            rgba(34, 197, 94, 0.06) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--dash-radius);
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
}

.so-hero-banner::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -5%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.so-hero-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.so-hero-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--dash-primary-light);
    border: 1px solid rgba(99, 102, 241, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.so-hero-icon svg {
    width: 24px;
    height: 24px;
    color: var(--dash-primary);
}

.so-hero-title {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--dash-text);
    letter-spacing: -0.02em;
    margin: 0 0 0.2rem;
}

.so-hero-desc {
    font-size: 0.838rem;
    color: var(--dash-text-secondary);
    margin: 0;
}

/* Step Indicators */
.so-hero-steps {
    display: flex;
    align-items: center;
    gap: 0;
    position: relative;
    z-index: 1;
}

.so-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    opacity: 0.4;
    transition: var(--dash-transition);
}

.so-step.active {
    opacity: 1;
}

.so-step.completed {
    opacity: 0.8;
}

.so-step-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--dash-surface-2);
    border: 2px solid var(--dash-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dash-text-muted);
    transition: var(--dash-transition);
}

.so-step.active .so-step-dot {
    background: var(--dash-primary);
    border-color: var(--dash-primary);
    color: white;
    box-shadow: 0 4px 12px var(--dash-primary-glow);
}

.so-step.completed .so-step-dot {
    background: var(--dash-success);
    border-color: var(--dash-success);
    color: white;
}

.so-step span {
    font-size: 0.688rem;
    font-weight: 600;
    color: var(--dash-text-secondary);
    white-space: nowrap;
    text-align: center;
    letter-spacing: 0.02em;
}

.so-step.active span {
    color: var(--dash-primary);
}

.so-step-connector {
    width: 40px;
    height: 2px;
    background: var(--dash-border);
    margin-bottom: 1.25rem;
    flex-shrink: 0;
}

/* ========================================
   SECTION CARDS
   ======================================== */
.so-section-card {
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius);
    overflow: visible;
    margin-bottom: 1.5rem;
    transition: var(--dash-transition);
}

.so-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--dash-border);
    background: var(--dash-surface-2);
    border-top-left-radius: var(--dash-radius);
    border-top-right-radius: var(--dash-radius);
}

.so-section-title {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.so-section-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.so-section-icon svg {
    width: 20px;
    height: 20px;
}

.so-section-icon.primary {
    background: var(--dash-primary-light);
    color: var(--dash-primary);
}

.so-section-icon.success {
    background: var(--dash-success-light);
    color: var(--dash-success);
}

.so-section-title h2 {
    font-size: 0.938rem;
    font-weight: 700;
    color: var(--dash-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.so-section-title p {
    font-size: 0.75rem;
    color: var(--dash-text-muted);
    margin: 0.125rem 0 0;
}

.so-collapse-btn {
    background: none;
    border: none;
    color: var(--dash-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: var(--dash-transition);
    display: flex;
    align-items: center;
}

.so-collapse-btn:hover {
    background: var(--dash-border);
    color: var(--dash-text);
}

.so-collapse-btn svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.so-collapse-btn.collapsed svg {
    transform: rotate(180deg);
}

.so-section-body {
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.so-section-body.collapsed {
    display: none;
}

/* ========================================
   FORM LAYOUT
   ======================================== */
.so-form-row {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.so-form-row:last-child {
    margin-bottom: 0;
}

.so-grid-2 {
    grid-template-columns: 1fr 1fr;
}

.so-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.so-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.so-form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--dash-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.so-form-group label svg {
    width: 13px;
    height: 13px;
    color: var(--dash-text-muted);
}

.so-required {
    color: var(--dash-danger);
    font-weight: 700;
}

/* Input */
.so-input {
    background: var(--dash-surface-2);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius-sm);
    padding: 0.625rem 0.875rem;
    color: var(--dash-text);
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    transition: var(--dash-transition);
    width: 100%;
    outline: none;
}

.so-input:hover {
    border-color: var(--dash-border-hover);
}

.so-input:focus {
    border-color: var(--dash-primary);
    box-shadow: 0 0 0 3px var(--dash-primary-light);
}

.so-input::placeholder {
    color: var(--dash-text-muted);
}

/* Date input styling for dark mode */
.so-input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.5);
    cursor: pointer;
}

[data-theme="dark"] .so-input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.7) brightness(1.5);
}

/* Select wrapper */
.so-select-wrap {
    position: relative;
}

.so-select {
    background: var(--dash-surface-2);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius-sm);
    padding: 0.625rem 2.5rem 0.625rem 0.875rem;
    color: var(--dash-text);
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    transition: var(--dash-transition);
    width: 100%;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
}

.so-select:hover {
    border-color: var(--dash-border-hover);
}

.so-select:focus {
    border-color: var(--dash-primary);
    box-shadow: 0 0 0 3px var(--dash-primary-light);
}

.so-select option {
    background: var(--dash-surface);
    color: var(--dash-text);
}

.so-select-loader {
    position: absolute;
    right: 2.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border: 2px solid var(--dash-border);
    border-top-color: var(--dash-primary);
    border-radius: 50%;
    animation: so-spin 0.7s linear infinite;
    display: none;
}

.so-select-loader.active {
    display: block;
}

@keyframes so-spin {
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

/* ========================================
   CART BADGE
   ======================================== */
.so-cart-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    border-radius: 11px;
    background: var(--dash-primary);
    color: white;
    font-size: 0.688rem;
    font-weight: 700;
    padding: 0 6px;
    line-height: 1;
    transition: var(--dash-transition);
}

/* ========================================
   ADD ITEM BUTTON
   ======================================== */
.so-add-item-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.125rem;
    background: var(--dash-primary);
    color: white;
    border: none;
    border-radius: var(--dash-radius-sm);
    font-size: 0.813rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--dash-transition);
}

.so-add-item-btn svg {
    width: 16px;
    height: 16px;
}

.so-add-item-btn:hover {
    background: var(--dash-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px var(--dash-primary-glow);
}

.so-add-item-btn:active {
    transform: translateY(0);
}

/* ========================================
   CART EMPTY STATE
   ======================================== */
.so-cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3.5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--dash-border);
}

.so-cart-empty-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: var(--dash-surface-2);
    border: 1px solid var(--dash-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.so-cart-empty-icon svg {
    width: 32px;
    height: 32px;
    color: var(--dash-text-muted);
}

.so-cart-empty h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dash-text);
    margin: 0 0 0.375rem;
}

.so-cart-empty p {
    font-size: 0.838rem;
    color: var(--dash-text-muted);
    margin: 0 0 1.25rem;
    max-width: 300px;
}

.so-add-item-btn-alt {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--dash-primary-light);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--dash-primary);
    border-radius: var(--dash-radius-sm);
    font-size: 0.813rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--dash-transition);
}

.so-add-item-btn-alt svg {
    width: 16px;
    height: 16px;
}

.so-add-item-btn-alt:hover {
    background: var(--dash-primary);
    color: white;
    border-color: var(--dash-primary);
    transform: translateY(-1px);
}

/* ========================================
   CART TABLE
   ======================================== */
.so-cart-table-wrap,
.so-cart-table-container {
    overflow: visible !important;
    position: relative;
}

.so-cart-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.so-cart-table thead th {
    background: var(--dash-surface-2);
    padding: 0.75rem 1rem;
    font-size: 0.688rem;
    font-weight: 700;
    color: var(--dash-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--dash-border);
}

.so-cart-table tbody td {
    padding: 0.875rem 1rem;
    font-size: 0.838rem;
    color: var(--dash-text-secondary);
    border-bottom: 1px solid var(--dash-border);
    vertical-align: middle;
    position: relative;
    overflow: visible;
}

.so-cart-table tbody tr {
    transition: background 0.2s ease;
    position: relative;
    z-index: 1;
}

.so-cart-table tbody tr:focus-within,
.so-cart-table tbody tr.has-open-dropdown {
    z-index: 99999 !important;
}

.so-searchable-wrapper {
    position: relative;
    z-index: 100;
}

.so-searchable-wrapper:focus-within,
.so-searchable-wrapper.is-open {
    z-index: 99999 !important;
}

.so-cart-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .so-cart-table tbody tr:hover {
    background: rgba(0, 0, 0, 0.02);
}

.so-cart-table tbody tr:last-child td {
    border-bottom: none;
}

/* Row animation */
.so-cart-row {
    animation: dash-fadeUp 0.3s ease-out both;
    position: relative;
}

/* Item number badge */
.so-item-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: var(--dash-surface-2);
    border: 1px solid var(--dash-border);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dash-text-secondary);
    font-family: 'Inter', monospace;
}

/* Material cell */
.so-mat-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.so-mat-code {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--dash-text);
}

.so-mat-desc {
    font-size: 0.7rem;
    color: var(--dash-text-muted);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Qty badge */
.so-qty-cell {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.so-qty-val {
    font-weight: 700;
    color: var(--dash-text);
    font-size: 0.875rem;
}

.so-uom-tag {
    font-size: 0.688rem;
    font-weight: 600;
    color: var(--dash-text-muted);
    text-transform: uppercase;
}

/* Recur badge */
.so-recur-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.688rem;
    font-weight: 700;
}

.so-recur-badge.yes {
    background: var(--dash-info-light);
    color: var(--dash-info);
}

.so-recur-badge.no {
    background: var(--dash-surface-2);
    color: var(--dash-text-muted);
}

/* Status badge */
.so-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.688rem;
    font-weight: 700;
}

.so-status-badge.active {
    background: var(--dash-success-light);
    color: var(--dash-success);
}

.so-status-badge.inactive {
    background: var(--dash-danger-light);
    color: var(--dash-danger);
}

/* Cart action buttons */
.so-cart-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.so-cart-action-btn {
    background: none;
    border: 1px solid var(--dash-border);
    color: var(--dash-text-muted);
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--dash-transition);
}

.so-cart-action-btn svg {
    width: 14px;
    height: 14px;
}

.so-cart-action-btn.edit:hover {
    border-color: var(--dash-primary);
    color: var(--dash-primary);
    background: var(--dash-primary-light);
}

.so-cart-action-btn.remove:hover {
    border-color: var(--dash-danger);
    color: var(--dash-danger);
    background: var(--dash-danger-light);
}

/* Cart Footer */
.so-cart-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    border-top: 1px solid var(--dash-border);
    background: var(--dash-surface-2);
    border-bottom-left-radius: var(--dash-radius);
    border-bottom-right-radius: var(--dash-radius);
    position: relative;
    z-index: 1;
}

.so-cart-count-label {
    font-size: 0.813rem;
    color: var(--dash-text-muted);
    font-weight: 500;
}

.so-cart-count-label strong {
    color: var(--dash-primary);
    font-weight: 700;
}

.so-clear-cart-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    background: none;
    border: 1px solid var(--dash-border);
    color: var(--dash-text-muted);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--dash-transition);
}

.so-clear-cart-btn svg {
    width: 14px;
    height: 14px;
}

.so-clear-cart-btn:hover {
    border-color: var(--dash-danger);
    color: var(--dash-danger);
    background: var(--dash-danger-light);
}

/* ========================================
   ACTION BAR
   ======================================== */
.so-action-bar {
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.so-action-bar-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.813rem;
    color: var(--dash-text-muted);
    font-weight: 500;
}

.so-action-bar-info svg {
    width: 16px;
    height: 16px;
    color: var(--dash-info);
    flex-shrink: 0;
}

.so-action-buttons {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Buttons */
.so-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--dash-surface-2);
    border: 1px solid var(--dash-border);
    color: var(--dash-text-secondary);
    border-radius: var(--dash-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--dash-transition);
}

.so-btn-secondary svg {
    width: 16px;
    height: 16px;
}

.so-btn-secondary:hover {
    background: var(--dash-border);
    color: var(--dash-text);
    border-color: var(--dash-border-hover);
}

.so-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.5rem;
    background: var(--dash-primary);
    border: none;
    color: white;
    border-radius: var(--dash-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--dash-transition);
}

.so-btn-primary svg {
    width: 16px;
    height: 16px;
}

.so-btn-primary:hover:not(:disabled) {
    background: var(--dash-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px var(--dash-primary-glow);
}

.so-btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.so-btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.so-btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--dash-danger);
    border: none;
    color: white;
    border-radius: var(--dash-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--dash-transition);
}

.so-btn-danger:hover {
    background: #c81e1e;
    transform: translateY(-1px);
}

/* ========================================
   MODAL - OVERLAY
   ======================================== */
.so-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9990;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.so-modal-overlay.active {
    display: flex;
    opacity: 1;
}

[data-theme="light"] .so-modal-overlay {
    background: rgba(15, 23, 42, 0.5);
}

/* ========================================
   MODAL - LINE ITEM
   ======================================== */
.so-modal {
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: var(--dash-radius);
    width: 100%;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    transform: translateY(24px) scale(0.98);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-height: 90vh;
    overflow-y: auto;
}

.so-modal-overlay.active .so-modal {
    transform: translateY(0) scale(1);
}

.so-item-modal {
    max-width: 680px;
}

.so-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--dash-border);
    background: var(--dash-surface-2);
    position: sticky;
    top: 0;
    z-index: 1;
}

.so-modal-header-left {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.so-modal-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--dash-primary-light);
    border: 1px solid rgba(99, 102, 241, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.so-modal-icon svg {
    width: 20px;
    height: 20px;
    color: var(--dash-primary);
}

.so-modal-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dash-text);
    margin: 0;
}

.so-modal-subtitle {
    font-size: 0.75rem;
    color: var(--dash-text-muted);
    margin: 0;
}

.so-modal-close {
    background: none;
    border: none;
    color: var(--dash-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: var(--dash-transition);
    display: flex;
    align-items: center;
}

.so-modal-close:hover {
    background: var(--dash-border);
    color: var(--dash-text);
}

.so-modal-close svg {
    width: 16px;
    height: 16px;
}

.so-modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
}

.so-modal-grid {
    display: grid;
    gap: 1.125rem;
}

.so-modal-grid-2 {
    grid-template-columns: 1fr 1fr;
}

.so-modal-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.so-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.125rem 1.5rem;
    border-top: 1px solid var(--dash-border);
    background: var(--dash-surface-2);
    position: sticky;
    bottom: 0;
}

/* ========================================
   TOGGLE GROUP (Recur / Active)
   ======================================== */
.so-toggle-group {
    display: flex;
    gap: 0.5rem;
}

.so-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    background: var(--dash-surface-2);
    border: 1px solid var(--dash-border);
    color: var(--dash-text-secondary);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--dash-transition);
    flex: 1;
    justify-content: center;
}

.so-toggle-btn svg {
    width: 13px;
    height: 13px;
}

.so-toggle-btn:hover {
    border-color: var(--dash-border-hover);
    color: var(--dash-text);
}

.so-toggle-btn.active {
    background: var(--dash-primary-light);
    border-color: var(--dash-primary);
    color: var(--dash-primary);
}

.so-toggle-btn.active.so-toggle-success {
    background: var(--dash-success-light);
    border-color: var(--dash-success);
    color: var(--dash-success);
}

/* ========================================
   CONFIRM MODAL
   ======================================== */
.so-confirm-modal {
    max-width: 400px;
    text-align: center;
}

.so-confirm-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem auto 1rem;
}

.so-confirm-icon.warning {
    background: var(--dash-warning-light);
    color: var(--dash-warning);
}

.so-confirm-icon svg {
    width: 28px;
    height: 28px;
}

.so-confirm-modal h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dash-text);
    margin: 0 0 0.5rem;
}

.so-confirm-modal p {
    font-size: 0.838rem;
    color: var(--dash-text-muted);
    margin: 0 2rem 2rem;
    line-height: 1.6;
}

.so-confirm-actions {
    display: flex;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--dash-border);
    justify-content: center;
}

/* ========================================
   TOAST NOTIFICATION
   ======================================== */
.so-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000000;
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: 14px;
    padding: 14px 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25), 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: none;
    min-width: 300px;
    max-width: 420px;
    transform: translateX(calc(100% + 40px));
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 0;
}

.so-toast.show {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.so-toast.success {
    border-left: 4px solid var(--dash-success);
}

.so-toast.error {
    border-left: 4px solid var(--dash-danger);
}

.so-toast.info {
    border-left: 4px solid var(--dash-info);
}

.so-toast.warning {
    border-left: 4px solid var(--dash-warning);
}

.so-toast-icon {
    font-size: 1.25rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 1px;
}

.so-toast-content {
    flex: 1;
    min-width: 0;
}

.so-toast-title {
    font-size: 0.813rem;
    font-weight: 700;
    color: var(--dash-text);
    margin-bottom: 2px;
}

.so-toast-msg {
    font-size: 0.75rem;
    color: var(--dash-text-secondary);
    line-height: 1.4;
}

.so-toast-close {
    background: none;
    border: none;
    color: var(--dash-text-muted);
    cursor: pointer;
    padding: 2px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    transition: var(--dash-transition);
    flex-shrink: 0;
}

.so-toast-close svg {
    width: 13px;
    height: 13px;
}

.so-toast-close:hover {
    color: var(--dash-text);
}

/* ========================================
   LOADING SKELETONS IN SELECT
   ======================================== */
.so-skeleton-option {
    color: var(--dash-text-muted);
    font-style: italic;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1100px) {
    .so-grid-3 {
        grid-template-columns: 1fr 1fr;
    }

    .so-modal-grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .so-hero-banner {
        flex-direction: column;
        align-items: flex-start;
    }

    .so-hero-steps {
        width: 100%;
        justify-content: flex-start;
    }

    .so-grid-2,
    .so-grid-3 {
        grid-template-columns: 1fr;
    }

    .so-modal-grid-2,
    .so-modal-grid-3 {
        grid-template-columns: 1fr;
    }

    .so-action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .so-action-buttons {
        justify-content: flex-end;
    }

    .so-section-header {
        flex-wrap: wrap;
    }

    .so-step-connector {
        width: 24px;
    }
}

@media (max-width: 480px) {
    .so-toast {
        bottom: 16px;
        right: 16px;
        left: 16px;
        min-width: unset;
    }
}
@media (max-width: 380px) {
    .so-step {
        padding: 0.75rem;
    }

    .so-input {
        font-size: 0.8rem;
        padding: 0.5rem 0.6rem;
    }

    .so-required {
        font-size: 0.7rem;
    }

    .so-modal-footer {
        flex-direction: column-reverse;
        gap: 0.4rem;
        padding: 0.75rem;
    }

    .so-modal-footer button {
        width: 100%;
        justify-content: center;
    }
}

/* Auto-added packing row & lock indicator */
.so-cart-row-packing {
    background: rgba(234, 179, 8, 0.03) !important;
    border-left: 3px solid rgba(234, 179, 8, 0.6) !important;
}

.so-cart-action-btn.is-packing-locked:hover {
    border-color: rgba(234, 179, 8, 0.5) !important;
    color: #eab308 !important;
    background: rgba(234, 179, 8, 0.1) !important;
}

/* ========================================
   PACKING MATERIAL SELECTION MODAL
   ======================================== */
.so-packing-modal {
    max-width: 580px;
}

.so-modal-header-icon.packing {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
    border: 1px solid rgba(234, 179, 8, 0.3);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.so-modal-header-icon.packing svg {
    width: 22px;
    height: 22px;
}

.so-pkg-alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 8px;
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid rgba(234, 179, 8, 0.25);
    color: #fde047;
    margin-bottom: 20px;
}

[data-theme="light"] .so-pkg-alert {
    background: #fefce8;
    border-color: #fef08a;
    color: #854d0e;
}

.so-pkg-alert-icon svg {
    width: 20px;
    height: 20px;
    stroke: #eab308;
}

.so-pkg-alert-text {
    font-size: 0.88rem;
    line-height: 1.4;
}

.so-pkg-field-group {
    margin-bottom: 20px;
}

.so-pkg-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--dash-text);
    margin-bottom: 10px;
}

.so-pkg-step-badge {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--dash-primary, #6366f1);
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.so-pkg-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 520px) {
    .so-pkg-options-grid {
        grid-template-columns: 1fr;
    }
}

.so-pkg-option-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--dash-card-bg, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--dash-border, #334155);
    cursor: pointer;
    transition: all 0.2s ease;
}

.so-pkg-option-card:hover {
    border-color: var(--dash-primary, #6366f1);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-1px);
}

.so-pkg-option-card.active {
    border-color: var(--dash-primary, #6366f1);
    background: rgba(99, 102, 241, 0.12);
    box-shadow: 0 0 0 1px var(--dash-primary, #6366f1);
}

[data-theme="light"] .so-pkg-option-card {
    background: #ffffff;
    border-color: #cbd5e1;
}

[data-theme="light"] .so-pkg-option-card.active {
    background: #eff6ff;
    border-color: #3b82f6;
    box-shadow: 0 0 0 1px #3b82f6;
}

.so-pkg-opt-radio {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--dash-border, #64748b);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.so-pkg-option-card.active .so-pkg-opt-radio {
    border-color: var(--dash-primary, #6366f1);
}

.so-pkg-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: transparent;
    transition: background 0.2s ease;
}

.so-pkg-option-card.active .so-pkg-dot {
    background: var(--dash-primary, #6366f1);
}

.so-pkg-opt-title {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--dash-text);
    margin-bottom: 2px;
}

.so-pkg-opt-desc {
    font-size: 0.74rem;
    color: var(--dash-text-muted, #94a3b8);
    line-height: 1.3;
}

.so-pkg-capacity-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.so-pkg-cap-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--dash-border, #334155);
    background: var(--dash-card-bg, rgba(255, 255, 255, 0.03));
    color: var(--dash-text);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.18s ease;
}

.so-pkg-cap-btn:hover {
    border-color: var(--dash-primary, #6366f1);
    background: rgba(99, 102, 241, 0.08);
}

.so-pkg-cap-btn.active {
    background: var(--dash-primary, #6366f1);
    border-color: var(--dash-primary, #6366f1);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

[data-theme="light"] .so-pkg-cap-btn {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #1e293b;
}

[data-theme="light"] .so-pkg-cap-btn.active {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.so-pkg-preview-card {
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(234, 179, 8, 0.25);
}

[data-theme="light"] .so-pkg-preview-card {
    background: #f8fafc;
    border-color: #e2e8f0;
}

.so-pkg-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.so-pkg-preview-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #eab308;
    background: rgba(234, 179, 8, 0.15);
    padding: 2px 8px;
    border-radius: 6px;
}

.so-pkg-preview-item {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--dash-text);
}

.so-pkg-calc-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px 14px;
    border-radius: 8px;
    text-align: center;
}

[data-theme="light"] .so-pkg-calc-grid {
    background: #ffffff;
    border: 1px solid #e2e8f0;
}

.so-pkg-calc-col {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
}

.so-pkg-calc-col.highlight {
    background: rgba(99, 102, 241, 0.15);
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

[data-theme="light"] .so-pkg-calc-col.highlight {
    background: #eff6ff;
    border-color: #bfdbfe;
}

.so-pkg-calc-label {
    font-size: 0.7rem;
    color: var(--dash-text-muted, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.so-pkg-calc-val {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dash-text);
}

.so-pkg-calc-val.bold {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dash-primary, #6366f1);
}

[data-theme="light"] .so-pkg-calc-val.bold {
    color: #2563eb;
}

.so-pkg-calc-operator {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dash-text-muted, #64748b);
}

.so-pkg-calc-hint {
    font-size: 0.74rem;
    color: var(--dash-text-muted, #94a3b8);
    margin-top: 8px;
    font-style: italic;
}