/* ============================================
   BudOps Theme - Modern UI Design System
   ============================================ */

/* --------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------- */
:root {
    /* Primary brand colors */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;

    /* Status colors */
    --status-draft: #f59e0b;
    --status-draft-bg: #fef3c7;
    --status-sent: #3b82f6;
    --status-sent-bg: #dbeafe;
    --status-accepted: #10b981;
    --status-accepted-bg: #d1fae5;
    --status-rejected: #ef4444;
    --status-rejected-bg: #fee2e2;

    /* Neutral palette */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-subtle: #f1f5f9;
    --border-color: #e2e8f0;
    --border-color-dark: #cbd5e1;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
}

/* --------------------------------------------
   Base Styles
   -------------------------------------------- */
body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* --------------------------------------------
   Typography
   -------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
}

.text-muted {
    color: var(--text-secondary) !important;
}

/* --------------------------------------------
   Navbar
   -------------------------------------------- */
.navbar {
    background-color: var(--bg-card) !important;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.navbar-brand img {
    transition: transform var(--transition-fast);
}

.navbar-brand:hover img {
    transform: scale(1.02);
}

.navbar-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-nav .nav-link:hover {
    color: var(--primary);
    background-color: var(--primary-light);
}

.navbar-nav .nav-link.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

/* --------------------------------------------
   Cards
   -------------------------------------------- */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-clickable {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.card-clickable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: inherit;
    text-decoration: none;
}

.card-header {
    background-color: var(--bg-subtle);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

/* --------------------------------------------
   Buttons
   -------------------------------------------- */
.btn {
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    transition: all var(--transition-fast);
}

/* Ensure minimum touch target size */
.btn:not(.btn-sm) {
    min-height: 44px;
    min-width: 44px;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    min-height: 36px;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* --------------------------------------------
   Tables
   -------------------------------------------- */
.table {
    --bs-table-hover-bg: var(--bg-subtle);
    margin-bottom: 0;
}

.table > thead {
    background-color: var(--bg-subtle);
}

.table > thead th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 0.875rem 1rem;
    border-bottom: 2px solid var(--border-color);
}

.table > tbody > tr {
    transition: background-color var(--transition-fast);
}

.table > tbody > tr > td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.table-clickable tbody tr {
    cursor: pointer;
}

.table-clickable tbody tr:hover {
    background-color: var(--bg-subtle);
}

/* --------------------------------------------
   Forms
   -------------------------------------------- */
.form-control, .form-select {
    border-color: var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

/* Error styling */
.errorlist {
    list-style: none;
    padding: 0;
    margin: 0.25rem 0 0;
}

.errorlist li {
    color: var(--status-rejected);
    background-color: var(--status-rejected-bg);
    border: 1px solid #fecaca;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.is-invalid {
    border-color: var(--status-rejected) !important;
}

.invalid-feedback {
    color: var(--status-rejected);
    font-size: 0.875rem;
}

/* --------------------------------------------
   Modals
   -------------------------------------------- */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

.modal-title {
    font-weight: 600;
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

/* --------------------------------------------
   Status Badges
   -------------------------------------------- */
.badge-status {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    white-space: nowrap;
}

.badge-draft {
    background-color: var(--status-draft-bg);
    color: #92400e;
}

.badge-sent {
    background-color: var(--status-sent-bg);
    color: #1e40af;
}

.badge-accepted {
    background-color: var(--status-accepted-bg);
    color: #065f46;
}

.badge-rejected {
    background-color: var(--status-rejected-bg);
    color: #991b1b;
}

/* --------------------------------------------
   Pagination
   -------------------------------------------- */
.pagination {
    gap: 0.25rem;
}

.page-link {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 0.875rem;
    min-width: 40px;
    text-align: center;
}

.page-link:hover {
    background-color: var(--bg-subtle);
    border-color: var(--border-color-dark);
    color: var(--text-primary);
}

.page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* --------------------------------------------
   Alerts & Toasts
   -------------------------------------------- */
.alert {
    border-radius: var(--radius-md);
    border: none;
}

/* --------------------------------------------
   List Groups
   -------------------------------------------- */
.list-group-item {
    border-color: var(--border-color);
    padding: 0.875rem 1rem;
}

.list-group-item:first-child {
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}

.list-group-item:last-child {
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

/* --------------------------------------------
   Drag and Drop (SortableJS)
   -------------------------------------------- */
.drag-handle {
    cursor: grab;
    color: var(--text-muted);
    padding: 0.75rem;
    margin: -0.25rem;
    transition: color var(--transition-fast);
    -webkit-user-select: none;
    user-select: none;
}

@media (max-width: 767.98px) {
    .drag-handle {
        padding: 1rem;
        margin: -0.5rem;
        font-size: 1.25rem;
    }
}

.drag-handle:hover {
    color: var(--text-secondary);
}

.drag-handle:active {
    cursor: grabbing;
}

.sortable-ghost {
    opacity: 0.4;
    background-color: var(--primary-light) !important;
}

.sortable-chosen {
    background-color: var(--bg-card);
    box-shadow: var(--shadow-lg);
}

/* Mobile sortable items */
.mobile-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.mobile-item .drag-handle {
    flex-shrink: 0;
    font-size: 1.25rem;
    padding: 0.5rem;
    margin: -0.5rem 0 -0.5rem -0.5rem;
}

.mobile-item-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.mobile-item-content .fw-medium {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-item-actions {
    flex-shrink: 0;
    display: flex;
    gap: 0.375rem;
}

.mobile-item-actions .btn {
    padding: 0.375rem 0.5rem;
}

/* --------------------------------------------
   Tooltips
   -------------------------------------------- */
.tooltip-cell {
    position: relative;
    cursor: help;
}

.tooltip-cell::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 8px 8px 0;
    border-color: transparent var(--primary) transparent transparent;
    pointer-events: none;
}

/* --------------------------------------------
   Empty States
   -------------------------------------------- */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* --------------------------------------------
   Loading States
   -------------------------------------------- */
.btn-loading .spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* --------------------------------------------
   Utility Classes
   -------------------------------------------- */
.shadow-hover {
    transition: box-shadow var(--transition-base);
}

.shadow-hover:hover {
    box-shadow: var(--shadow-md);
}

/* Touch-friendly minimum sizes */
.touch-target {
    min-height: 44px;
    min-width: 44px;
}

/* Responsive text truncation */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --------------------------------------------
   Page Header
   -------------------------------------------- */
.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    margin-bottom: 0;
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    .page-header h1 {
        font-size: 1.75rem;
    }
}

/* --------------------------------------------
   Responsive Adjustments
   -------------------------------------------- */
@media (max-width: 767.98px) {
    .table > thead th,
    .table > tbody > tr > td {
        padding: 0.75rem;
    }

    .btn:not(.btn-sm) {
        padding: 0.625rem 1rem;
    }

    .card-body {
        padding: 1rem;
    }

    .modal-body {
        padding: 1rem;
    }
}

/* --------------------------------------------
   Print Styles
   -------------------------------------------- */
@media print {
    .navbar,
    .btn,
    .pagination {
        display: none !important;
    }

    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}