/**
 * Base CSS - Shared Styles
 *
 * This file contains all shared CSS patterns extracted from templates.
 * Import this in templates that use common UI components.
 *
 * Contents:
 * 1. Page Layouts & Grid
 * 2. Card Styles
 * 3. Form Styles
 * 4. Button Styles
 * 5. Modal/Popup Styles
 * 6. Toast Notifications
 * 7. Empty States
 * 8. Badges
 * 9. Search Box
 * 10. Combobox
 * 11. Photo Upload
 * 12. Toggle Switch
 * 13. Tips Section
 * 14. Mobile Collapsible
 * 15. Icon Buttons
 * 16. Filter Controls
 */

/* ==========================================================================
   1. PAGE LAYOUTS & GRID
   ========================================================================== */

.page-container {
    padding: var(--space-4);
    max-width: 1400px;
    margin: 0 auto;
}

.page-header-compact {
    margin-bottom: var(--space-6);
}

.page-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--neutral-800);
    margin: 0 0 var(--space-2) 0;
}

.page-title-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary-500);
}

.page-subtitle {
    color: var(--neutral-500);
    font-size: var(--text-sm);
    margin: 0;
}

/* Two-Column Grid Layout */
.two-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

@media (max-width: 1023px) {
    .two-column-grid {
        grid-template-columns: 1fr;
    }
}

/* Form Columns Layout (for forms) */
.form-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.form-column {
    padding: var(--space-6, 24px);
}

.form-column:first-child {
    border-right: 1px solid var(--neutral-200, #e7e5e4);
}

@media (max-width: 768px) {
    .form-columns {
        display: flex;
        flex-direction: column;
    }

    .form-column {
        display: contents;
    }

    .form-column:first-child {
        border-right: none;
    }

    .form-group,
    .photo-upload-section,
    .tips-section {
        padding: 0 var(--space-4, 16px);
        margin-bottom: var(--space-4, 16px);
    }
}

/* Mobile Page Adjustments */
@media (max-width: 1023px) {
    .page-container {
        padding: var(--space-2);
    }
}

@media (max-width: 640px) {
    .page-container {
        padding: var(--space-1);
    }

    .page-title {
        font-size: var(--text-xl);
    }
}

/* ==========================================================================
   2. CARD STYLES
   ========================================================================== */

.card-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--neutral-800);
    margin: 0;
}

.card-title-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary-500);
}

.card-header-with-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.card-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.card-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.card-body-flush {
    padding: 0;
}

/* Form Card */
.form-card {
    background: var(--neutral-100, white);
    border-radius: var(--radius-2xl, 24px);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* Form Footer */
.form-footer {
    padding: var(--space-6, 24px);
    background: var(--neutral-50, #fafaf9);
    border-top: 1px solid var(--neutral-200, #e7e5e4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-footer-actions {
    display: flex;
    gap: var(--space-3, 12px);
}

/* Form Header */
.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6, 24px);
}

.form-header h1 {
    font-size: var(--text-2xl, 1.5rem);
    font-weight: 600;
    color: var(--neutral-800, #292524);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
}

.form-header-actions {
    display: flex;
    gap: var(--space-3, 12px);
}

@media (max-width: 640px) {
    .card-header-with-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==========================================================================
   3. FORM STYLES
   ========================================================================== */

.form-group {
    margin-bottom: var(--space-5, 20px);
}

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

.form-label {
    display: block;
    font-size: var(--text-sm, 0.875rem);
    font-weight: 500;
    color: var(--neutral-700, #44403c);
    margin-bottom: var(--space-2, 8px);
}

.form-label-required::after {
    content: " *";
    color: var(--error-500, #E76F72);
}

.form-group label .required {
    color: var(--error-500, #E76F72);
    margin-left: 2px;
}

.form-input,
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="search"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-3, 12px) var(--space-4, 16px);
    border: 2px solid var(--neutral-200, #e7e5e4);
    border-radius: var(--radius-lg, 12px);
    font-size: var(--text-base, 1rem);
    transition: all 0.2s ease;
    background: var(--white, white);
}

.form-input:focus,
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="number"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="date"]:focus,
.form-group input[type="search"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-500, #5A9B9F);
    box-shadow: 0 0 0 3px var(--primary-100, rgba(90, 155, 159, 0.2));
}

.form-input-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

.help-text,
.form-group .help-text {
    font-size: var(--text-xs, 0.75rem);
    color: var(--neutral-500, #78716c);
    margin-top: var(--space-1, 4px);
}

/* Checkbox styling */
.form-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-500);
}

/* Inline form controls */
.form-inline {
    display: flex;
    gap: var(--space-3, 12px);
    align-items: center;
}

/* Form section headers */
.form-section-header {
    font-size: 11px;
    font-weight: 600;
    color: var(--neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 12px 0 8px 0;
    padding-top: 8px;
    border-top: 1px solid var(--neutral-200);
}

.form-section-header:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* Form section box (bordered group) */
.form-section-box {
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md, 8px);
    padding: 12px;
    margin-bottom: 12px;
    background: var(--neutral-50);
}

.form-section-box .form-section-header {
    margin: 0 0 8px 0;
    padding: 0;
    border: none;
}

/* ==========================================================================
   4. BUTTON STYLES
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, 8px);
    padding: var(--space-3, 12px) var(--space-5, 20px);
    font-size: var(--text-sm, 0.875rem);
    font-weight: 500;
    border-radius: var(--radius-lg, 12px);
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-500, #5A9B9F);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-600, #4A8B8F);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    background: var(--neutral-300);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: var(--neutral-100, #f5f5f4);
    color: var(--neutral-700, #44403c);
    border: 1px solid var(--neutral-300, #d6d3d1);
}

.btn-secondary:hover {
    background: var(--neutral-200, #e7e5e4);
}

.btn-ghost {
    background: transparent;
    color: var(--neutral-600, #57534e);
}

.btn-ghost:hover {
    background: var(--neutral-100, #f5f5f4);
}

.btn-danger {
    background: var(--error-500, #E76F72);
    color: white;
}

.btn-danger:hover {
    background: var(--error-600, #DC2626);
}

.btn-danger-ghost {
    background: transparent;
    color: var(--neutral-500);
}

.btn-danger-ghost:hover {
    background: var(--error-50);
    color: var(--error-600);
}

.btn-danger-outline {
    background: transparent;
    color: var(--error-500);
    border: 1px solid var(--error-300);
}

.btn-danger-outline:hover {
    background: var(--error-50);
    color: var(--error-600);
    border-color: var(--error-400);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

.btn-icon-left {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: var(--space-2);
    flex-shrink: 0;
}

/* ==========================================================================
   5. MODAL/POPUP STYLES
   ========================================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal-content {
    background: var(--neutral-100, white);
    border-radius: var(--radius-2xl, 24px);
    width: 90%;
    max-width: 480px;
    max-height: 90vh;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform 0.2s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: var(--space-5, 20px) var(--space-6, 24px);
    border-bottom: 1px solid var(--neutral-200, #e7e5e4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: var(--text-lg, 1.125rem);
    font-weight: 600;
    color: var(--neutral-800, #292524);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    color: var(--neutral-500, #78716c);
    transition: all 0.15s ease;
}

.modal-close:hover {
    background: var(--neutral-100, #f5f5f4);
    color: var(--neutral-700, #44403c);
}

.modal-body {
    padding: var(--space-6, 24px);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-body .form-group {
    margin-bottom: var(--space-4);
}

.modal-body .form-group:last-child {
    margin-bottom: 0;
}

/* Compact modal variant - for forms with many fields */
.modal-compact .modal-header {
    padding: var(--space-3, 12px) var(--space-4, 16px);
}

.modal-compact .modal-header h3 {
    font-size: var(--text-base, 1rem);
}

.modal-compact .modal-body {
    padding: var(--space-4, 16px);
}

.modal-compact .modal-body .form-group {
    margin-bottom: var(--space-2, 8px);
}

.modal-compact .modal-footer {
    padding: var(--space-3, 12px) var(--space-4, 16px);
}

.modal-compact .form-label {
    font-size: var(--text-xs, 0.75rem);
    margin-bottom: 2px;
}

.modal-compact .form-input {
    padding: 6px 10px;
    font-size: var(--text-sm, 0.875rem);
}

.modal-compact .form-input[type="checkbox"] {
    padding: 0;
}

.modal-compact textarea.form-input {
    padding: 6px 10px;
}

.modal-compact select.form-input {
    padding: 6px 10px;
    padding-right: 28px;
}

.modal-compact small {
    font-size: 10px;
    line-height: 1.2;
}

.modal-compact .form-row {
    margin-bottom: var(--space-2, 8px);
    gap: 8px !important;
}

/* Two-column grid for compact modal */
.modal-compact .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.modal-footer {
    padding: var(--space-4, 16px) var(--space-6, 24px);
    background: var(--neutral-50, #fafaf9);
    border-top: 1px solid var(--neutral-200, #e7e5e4);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3, 12px);
    border-radius: 0 0 var(--radius-2xl, 24px) var(--radius-2xl, 24px);
}

/* ==========================================================================
   6. TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    animation: toastSlideIn 0.3s ease;
    max-width: 400px;
    pointer-events: auto;
}

.toast-success {
    background: var(--success-50);
    border: 1px solid var(--success-200);
    color: var(--success-800);
}

.toast-error {
    background: var(--error-50);
    border: 1px solid var(--error-200);
    color: var(--error-800);
}

.toast-info {
    background: var(--info-50);
    border: 1px solid var(--info-200);
    color: var(--info-800);
}

.toast-warning {
    background: var(--warning-50);
    border: 1px solid var(--warning-200);
    color: var(--warning-800);
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==========================================================================
   7. EMPTY STATES
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    margin-bottom: var(--space-4);
}

.empty-icon {
    width: 3rem;
    height: 3rem;
    color: var(--neutral-300);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--neutral-700);
    margin: 0 0 var(--space-2) 0;
}

.empty-state-text {
    color: var(--neutral-500);
    font-size: var(--text-sm);
    margin: 0 auto;
    max-width: 300px;
}

/* ==========================================================================
   8. BADGES
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-weight: 500;
}

.badge-neutral {
    background: var(--neutral-100);
    color: var(--neutral-600);
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: var(--success-100);
    color: var(--success-700);
}

.badge-warning {
    background: var(--warning-100);
    color: var(--warning-700);
}

.badge-error {
    background: var(--error-100);
    color: var(--error-700);
}

.badge-info {
    background: var(--info-100);
    color: var(--info-700);
}

/* ==========================================================================
   9. SEARCH BOX
   ========================================================================== */

.search-box {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    min-width: 200px;
}

.search-icon {
    width: 1rem;
    height: 1rem;
    color: var(--neutral-400);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: var(--text-sm);
    outline: none;
    color: var(--neutral-800);
    min-width: 0;
}

.search-input::placeholder {
    color: var(--neutral-400);
}

@media (max-width: 640px) {
    .search-box {
        width: 100%;
    }
}

/* ==========================================================================
   10. COMBOBOX (Typeable Dropdown)
   ========================================================================== */

/* Legacy wrapper — kept for backward compat */
.combobox-container {
    position: relative;
}

/* Modern combobox wrapper (used by add_account_modal and masters) */
.combobox {
    position: relative;
}

.combobox-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

.combobox-input-wrapper input {
    flex: 1;
}

.combobox-add-btn {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-500, #5A9B9F);
    color: white;
    border: none;
    border-radius: var(--radius-lg, 12px);
    cursor: pointer;
    transition: all 0.15s ease;
}

.combobox-add-btn:hover {
    background: var(--primary-600, #4A8B8F);
    transform: translateY(-1px);
}

.combobox-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--white, white);
    border: 1px solid var(--neutral-200, #e7e5e4);
    border-radius: var(--radius-md, 8px);
    max-height: 220px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    margin-top: 4px;
}

.combobox-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2, 8px) var(--space-3, 12px);
    font-size: var(--text-sm, 13px);
    color: var(--neutral-700, #374151);
    cursor: pointer;
    transition: background 0.1s ease;
}

.combobox-option:hover,
.combobox-option.highlighted {
    background: var(--neutral-50, #f9fafb);
}

.combobox-option.selected {
    background: var(--primary-50, #f0f9f9);
    color: var(--primary-700, #0e7490);
}

/* Code badge inside combobox options */
.combobox-option-code {
    font-size: var(--text-xs, 11px);
    padding: 2px var(--space-2, 8px);
    background: var(--neutral-100, #f3f4f6);
    color: var(--neutral-500, #6b7280);
    border-radius: var(--radius-sm, 4px);
    font-family: var(--font-mono, monospace);
}

.combobox-option.selected .combobox-option-code {
    background: var(--primary-100, #e0f2f2);
    color: var(--primary-600, #0891b2);
}

.combobox-no-results,
.combobox-empty {
    padding: var(--space-3, 12px) var(--space-4, 16px);
    color: var(--neutral-400, #9ca3af);
    font-size: var(--text-sm, 13px);
    text-align: center;
}

.combobox-create-new {
    padding: var(--space-3, 12px) var(--space-4, 16px);
    background: var(--primary-50, #f0f9f9);
    border-top: 1px solid var(--neutral-200, #e7e5e4);
    cursor: pointer;
    color: var(--primary-600, #4A8B8F);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

.combobox-create-new:hover {
    background: var(--primary-100, #e0f2f2);
}

/* Input + add-button row */
.input-with-button {
    display: flex;
    gap: var(--space-2, 8px);
    align-items: center;
}

.input-with-button .form-input {
    flex: 1;
    min-width: 0;
}

/* Small icon-only add button (next to selects/comboboxes) */
.btn-icon-add {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--neutral-50, #f9fafb);
    border: 1px solid var(--neutral-200, #e5e7eb);
    border-radius: var(--radius-md, 8px);
    color: var(--neutral-500, #6b7280);
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
}

.btn-icon-add:hover:not(:disabled) {
    background: var(--primary-50, #f0f9f9);
    border-color: var(--primary-300, #67e8f9);
    color: var(--primary-600, #0891b2);
}

.btn-icon-add:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Inline "quick add" form strip */
.inline-add-form {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    margin-top: var(--space-2, 8px);
    padding: var(--space-2, 8px);
    background: var(--neutral-50, #f9fafb);
    border: 1px dashed var(--neutral-300, #d1d5db);
    border-radius: var(--radius-md, 8px);
}

.inline-add-form .form-input {
    flex: 1;
    min-width: 0;
}

/* Modal edit/add mode badge */
.modal-mode-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1, 4px);
    padding: var(--space-1, 4px) var(--space-2, 8px);
    border-radius: var(--radius-full, 9999px);
    font-size: var(--text-xs, 11px);
    font-weight: var(--font-medium, 500);
    margin-left: var(--space-2, 8px);
}

.modal-mode-badge.edit {
    background: var(--warning-100, #fef3c7);
    color: var(--warning-700, #b45309);
}

.modal-mode-badge.add {
    background: var(--success-100, #d1fae5);
    color: var(--success-700, #065f46);
}

/* ==========================================================================
   11. PHOTO UPLOAD
   ========================================================================== */

.photo-upload-section {
    margin-bottom: var(--space-5, 20px);
}

.photo-upload-container {
    display: flex;
    align-items: center;
    gap: var(--space-4, 16px);
}

.photo-preview {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    background: var(--neutral-100, #f5f5f4);
    border: 2px solid var(--neutral-200, #e7e5e4);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-preview-placeholder {
    color: var(--neutral-400, #a8a29e);
    text-align: center;
    font-size: var(--text-xs, 0.75rem);
}

.photo-actions {
    flex: 1;
}

.photo-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2, 8px);
    padding: var(--space-3, 12px) var(--space-4, 16px);
    background: var(--primary-500, #5A9B9F);
    color: white;
    border: none;
    border-radius: var(--radius-lg, 12px);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.15s ease;
}

.photo-upload-btn:hover {
    background: var(--primary-600, #4A8B8F);
    transform: translateY(-1px);
}

.photo-clear-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2, 8px);
    padding: var(--space-2, 8px) var(--space-3, 12px);
    background: transparent;
    color: var(--neutral-500, #78716c);
    border: 1px solid var(--neutral-300, #d6d3d1);
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    font-size: var(--text-sm, 0.875rem);
    margin-left: var(--space-2, 8px);
    transition: all 0.15s ease;
}

.photo-clear-btn:hover {
    background: var(--error-50, #FEF2F2);
    border-color: var(--error-300, #FCA5A5);
    color: var(--error-600, #DC2626);
}

/* ==========================================================================
   12. TOGGLE SWITCH
   ========================================================================== */

.toggle-switch {
    display: inline-flex;
    border: 2px solid var(--neutral-200, #e7e5e4);
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
}

.toggle-switch button {
    padding: var(--space-3, 12px) var(--space-5, 20px);
    font-size: var(--text-base, 1rem);
    font-weight: 500;
    border: none;
    cursor: pointer;
    background: var(--white, white);
    color: var(--neutral-500, #78716c);
    transition: all 0.2s ease;
}

.toggle-switch button.active {
    background: var(--primary-500, #5A9B9F);
    color: white;
}

.toggle-switch button:not(.active):hover {
    background: var(--neutral-100, #f5f5f4);
}

/* Toggle Group (Radio-like) */
.toggle-group {
    display: flex;
    gap: var(--space-2);
}

.toggle-group-item {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    background: var(--white, white);
    cursor: pointer;
    text-align: center;
    font-weight: 500;
    transition: all 0.2s ease;
}

.toggle-group-item:hover {
    border-color: var(--primary-300);
}

.toggle-group-item.active {
    border-color: var(--primary-500);
    background: var(--primary-50);
    color: var(--primary-700);
}

/* ==========================================================================
   13. TIPS SECTION
   ========================================================================== */

.tips-section {
    background: var(--info-50, #EFF6FF);
    border-radius: var(--radius-xl, 16px);
    padding: var(--space-4, 16px);
    margin-top: var(--space-4, 16px);
}

.tips-section h4,
.tips-header {
    font-size: var(--text-sm, 0.875rem);
    font-weight: 600;
    color: var(--info-700, #1D4ED8);
    margin: 0 0 var(--space-3, 12px) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

.tips-section ul,
.tips-list {
    margin: 0;
    padding-left: var(--space-5, 20px);
    font-size: var(--text-sm, 0.875rem);
    color: var(--info-700, #1D4ED8);
}

.tips-section li {
    margin-bottom: var(--space-1, 4px);
}

/* Opening Stock Section (similar pattern) */
.opening-stock-section {
    background: var(--primary-50, #f0f9f9);
    border: 2px solid var(--primary-200, #b2d8da);
    border-radius: var(--radius-xl, 16px);
    padding: var(--space-4, 16px);
    margin-bottom: var(--space-5, 20px);
}

.opening-stock-section h4 {
    font-size: var(--text-sm, 0.875rem);
    font-weight: 600;
    color: var(--primary-700, #3A7B7F);
    margin: 0 0 var(--space-3, 12px) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

.opening-stock-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3, 12px);
}

@media (max-width: 480px) {
    .opening-stock-fields {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   14. MOBILE COLLAPSIBLE
   ========================================================================== */

.mobile-collapsible-card {
    /* Base card styles apply */
}

.mobile-collapsible-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.collapse-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--neutral-500);
    transition: transform 0.3s ease;
    cursor: pointer;
}

.collapsible-body {
    overflow: hidden;
}

/* Expand/Collapse Icon */
.expand-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--neutral-400);
    transition: transform 0.3s;
}

/* ==========================================================================
   15. ICON BUTTONS
   ========================================================================== */

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-icon.btn-ghost {
    color: var(--neutral-500);
}

.btn-icon.btn-ghost:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

.btn-icon-svg {
    width: 1rem;
    height: 1rem;
}

/* ==========================================================================
   16. FILTER CONTROLS
   ========================================================================== */

.filters-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--neutral-100);
    flex-wrap: wrap;
}

.filter-select {
    max-width: 180px;
}

/* ==========================================================================
   17. LIST ITEMS & ROWS
   ========================================================================== */

.list-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--neutral-100);
    transition: background 0.15s;
}

.list-item:last-child {
    border-bottom: none;
}

.list-item:hover {
    background: var(--neutral-50);
}

.list-item-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background: var(--primary-100);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.list-item-avatar-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary-600);
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-weight: var(--font-semibold);
    color: var(--neutral-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-item-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--neutral-500);
}

.list-item-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

/* ==========================================================================
   18. TAG STYLES
   ========================================================================== */

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tag {
    font-size: var(--text-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.tag-item {
    background: var(--info-100);
    color: var(--info-700);
}

.tag-design {
    background: var(--warning-100);
    color: var(--warning-700);
}

.tag-supplier {
    background: var(--success-100);
    color: var(--success-700);
}

/* ==========================================================================
   19. QUANTITY WITH UNIT
   ========================================================================== */

.qty-with-unit {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

.qty-with-unit input {
    flex: 1;
}

.qty-unit-label {
    font-size: var(--text-sm, 0.875rem);
    font-weight: 600;
    color: var(--primary-600, #4A8B8F);
    white-space: nowrap;
    min-width: 30px;
}

/* ==========================================================================
   20. MULTI-SELECT
   ========================================================================== */

.multi-select-container {
    position: relative;
}

.multi-select-input {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    min-height: 48px;
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    background: var(--white, white);
    cursor: text;
}

.multi-select-input:focus-within {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.multi-select-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.multi-select-tag-remove {
    cursor: pointer;
    opacity: 0.7;
}

.multi-select-tag-remove:hover {
    opacity: 1;
}

.multi-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--white, white);
    border: 2px solid var(--neutral-200);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    max-height: 200px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   21. STICKY FORM HEADERS
   ========================================================================== */

/* Sticky form header that extends edge-to-edge */
.sticky-form-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--white);
    border-bottom: 1px solid var(--neutral-200);
    padding: var(--space-4) var(--space-6);
}

.sticky-form-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sticky-form-header h1 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--neutral-800);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sticky-form-header-actions {
    display: flex;
    gap: var(--space-3);
}

@media (max-width: 768px) {
    .sticky-form-header {
        padding: var(--space-3) var(--space-4);
    }

    .sticky-form-header h1 {
        font-size: var(--text-lg);
    }
}

/* Bill/Order Navigation */
.bill-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.bill-nav-btn {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--neutral-600);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.bill-nav-btn:hover { border-color: var(--primary-400); color: var(--primary-600); }
.bill-nav-badge {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--neutral-700);
    padding: var(--space-1) var(--space-2);
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    white-space: nowrap;
}
.bill-nav-new-btn {
    display: flex; align-items: center; gap: 2px;
    padding: 4px 10px;
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-md);
    background: var(--primary-50);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--primary-600);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    margin-left: var(--space-1);
}
.bill-nav-new-btn:hover { background: var(--primary-100); border-color: var(--primary-400); }
.bill-nav-jump {
    display: flex; align-items: center; gap: 4px; margin-left: var(--space-2);
}
.bill-nav-jump input {
    width: 50px; padding: 4px 6px;
    border: 1px solid var(--neutral-200); border-radius: var(--radius-md);
    font-size: var(--text-sm); text-align: center;
}
.bill-nav-jump input:focus { outline: none; border-color: var(--primary-400); }
.bill-nav-jump button {
    padding: 4px 8px; border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md); background: var(--white);
    font-size: var(--text-xs); color: var(--neutral-600); cursor: pointer;
}
.bill-nav-jump button:hover { border-color: var(--primary-400); color: var(--primary-600); }
.bill-nav-jump-error { border-color: var(--error-400) !important; }

@media (max-width: 768px) {
    .bill-nav-jump { display: none; }
    .bill-nav-badge { font-size: var(--text-xs); }
}

/* ==========================================================================
   22. WIDE MODAL VARIANT
   ========================================================================== */

/* Wide modal for forms with many fields - 900px width */
.modal-wide {
    max-width: 900px !important;
}

.modal-wide .modal-body {
    padding: var(--space-5, 20px) var(--space-6, 24px);
}

/* Three column grid for wide modals */
.modal-form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3, 12px);
}

/* Two column grid for wide modals */
.modal-form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3, 12px);
}

/* Full width span */
.grid-span-full {
    grid-column: 1 / -1;
}

/* Span 2 columns */
.grid-span-2 {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .modal-wide {
        max-width: 95% !important;
    }

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

    .grid-span-2,
    .grid-span-full {
        grid-column: 1;
    }
}

/* ==========================================================================
   23. COLLAPSIBLE SECTIONS
   ========================================================================== */

.collapsible-section {
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg, 12px);
    margin-bottom: var(--space-3, 12px);
    background: var(--neutral-100, white);
    overflow: hidden;
}

.collapsible-section:last-child {
    margin-bottom: 0;
}

.collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3, 12px) var(--space-4, 16px);
    background: var(--neutral-50);
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}

.collapsible-header:hover {
    background: var(--neutral-100);
}

.collapsible-header-title {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--neutral-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.collapsible-header-icon {
    width: 16px;
    height: 16px;
    color: var(--primary-500);
}

.collapsible-toggle {
    width: 20px;
    height: 20px;
    color: var(--neutral-400);
    transition: transform 0.2s ease;
}

.collapsible-toggle.collapsed {
    transform: rotate(-90deg);
}

.collapsible-content {
    padding: var(--space-4, 16px);
    border-top: 1px solid var(--neutral-200);
}

.collapsible-content.collapsed {
    display: none;
}

/* Compact variant for smaller sections */
.collapsible-section.compact .collapsible-header {
    padding: var(--space-2, 8px) var(--space-3, 12px);
}

.collapsible-section.compact .collapsible-content {
    padding: var(--space-3, 12px);
}

/* Section with optional badge count */
.collapsible-badge {
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 500;
    margin-left: var(--space-2);
}

/* Initially expanded sections (default state) */
.collapsible-section[data-expanded="true"] .collapsible-toggle {
    transform: rotate(0);
}

.collapsible-section[data-expanded="true"] .collapsible-content {
    display: block;
}

/* Inline form row within collapsible content */
.collapsible-content .form-row {
    margin-bottom: var(--space-3, 12px);
}

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

.collapsible-content .form-group {
    margin-bottom: var(--space-3, 12px);
}

.collapsible-content .form-group:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   24. BALANCE COLORING (Context-Aware)
   ========================================================================== */

/**
 * Balance coloring based on account type context:
 * - balance-healthy: Green - balance matches expected nature for account type
 * - balance-warning: Red - balance is opposite to expected (unusual state)
 * - balance-neutral: Gray - zero balance
 *
 * Expected balance by account type:
 * - Assets (BNK, CSH, SD): Debit balance is healthy
 * - Liabilities/Creditors: Credit balance is healthy
 */

.balance-healthy,
td.balance-healthy,
span.balance-healthy {
    color: var(--success-600) !important;
}

.balance-warning,
td.balance-warning,
span.balance-warning {
    color: var(--error-600) !important;
}

.balance-neutral,
td.balance-neutral,
span.balance-neutral {
    color: var(--neutral-500) !important;
}

/* ==========================================================================
   25. CSS TOOLTIPS
   ========================================================================== */

/**
 * CSS-based tooltips that appear on hover.
 * Use data-tooltip attribute to set tooltip text.
 * Example: <span class="has-tooltip" data-tooltip="Help text">Value</span>
 */

[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before,
[data-tooltip]::after {
    position: absolute;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    z-index: 1000;
    pointer-events: none;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 10px;
    background: var(--neutral-900);
    color: var(--white);
    font-size: 12px;
    font-weight: 400;
    line-height: 1.3;
    white-space: nowrap;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

[data-tooltip]::before {
    content: '';
    top: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-bottom-color: var(--neutral-900);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
    visibility: visible;
    opacity: 1;
}

/* Clickable text — constrains hit-area to text width only */
.clickable-text {
    width: fit-content;
    max-width: 100%;
    align-self: flex-start;
}