/**
 * Nexus 26 - UI Components
 */

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #7C3AED 100%);
    color: var(--text-inverse);
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.9;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-default);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-default);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

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

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

.btn-danger {
    background: var(--error);
    color: var(--text-inverse);
}

.btn-success {
    background: var(--success);
    color: var(--text-inverse);
}

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-icon {
    padding: var(--space-2);
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
    stroke-width: 2px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-default);
    box-shadow: var(--shadow-xs);
    padding: var(--space-5);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--border-dark);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.card-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-light);
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
}

.form-label .required {
    color: var(--error);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:hover {
    border-color: var(--border-dark);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.08);
}

.form-control.is-invalid {
    border-color: var(--error);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 44px;
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--error);
    margin-top: var(--space-1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

/* ============================================
   STATUS BADGES
   ============================================ */
.status-badge {
    display: inline-flex;
    padding: 2px var(--space-2);
    font-size: 11px;
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
}

.status-new {
    background: var(--status-new-bg);
    color: var(--status-new-text);
}

.status-contacted {
    background: var(--status-contacted-bg);
    color: var(--status-contacted-text);
}

.status-ready {
    background: var(--status-ready-bg);
    color: var(--status-ready-text);
}

.status-closed {
    background: var(--status-closed-bg);
    color: var(--status-closed-text);
}

.status-archived {
    background: var(--status-archived-bg);
    color: var(--status-archived-text);
}

.status-cancelled {
    background: var(--status-cancelled-bg);
    color: var(--status-cancelled-text);
}

.status-pending {
    background: var(--status-pending-bg);
    color: var(--status-pending-text);
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-default);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.table th {
    font-size: 11px;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    background: var(--bg-secondary);
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

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

/* ============================================
   MODALS
   ============================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: visible;
    transform: none;
    margin-top: 20px;
    opacity: 0;
    transition: all var(--transition-base);
}

.modal-backdrop.active .modal {
    opacity: 1;
    margin-top: 0;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-light);
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-muted);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    max-height: calc(90vh - 180px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-light);
}

.modal-sm {
    max-width: 400px;
}

.modal-lg {
    max-width: 700px;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
}

.alert-success {
    background: var(--success-light);
    color: var(--success-dark);
}

.alert-error {
    background: var(--error-light);
    color: var(--error-dark);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
}

.alert-info {
    background: var(--info-light);
    color: var(--info-dark);
}

/* ============================================
   DROPDOWN
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-item.danger {
    color: var(--error);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--space-2) 0;
}

/* ============================================
   MISC
   ============================================ */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    color: var(--accent);
}

.avatar-sm {
    width: 32px;
    height: 32px;
}

.avatar-lg {
    width: 56px;
    height: 56px;
}

.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, #8B5CF6 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-6);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-muted);
}

/* Fix Select2 z-index for Modals */
.select2-container {
    width: 100% !important;
    /* z-index: 9999 !important; - Removed to prevent overlap with modals */
}

.select2-dropdown {
    z-index: 999999 !important;
}

/* ============================================
   STATS & METRICS
   ============================================ */
.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-default);
    padding: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: all var(--transition-base);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px !important;
    height: 24px !important;
}

/* Standardized Filter Bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    background: var(--bg-secondary);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    margin-bottom: var(--space-4);
}

.filter-bar .form-group {
    margin-bottom: 0;
    min-width: 150px;
}

.filter-bar .form-control {
    height: 40px;
    /* Consistent height */
    font-size: 14px;
}

.filter-bar .btn {
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

/* ============================================
   TABS
   ============================================ */
.tabs {
    display: flex;
    gap: var(--space-6);
    border-bottom: 1px solid var(--border-default);
    margin-bottom: var(--space-6);
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) 0;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    margin-bottom: -1px;
}

.tab:hover {
    color: var(--text-primary);
    border-bottom-color: var(--border-dark);
}

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: var(--font-semibold);
}

/* ============================================
   MOBILE CARD TABLES & COMPONENTS
   ============================================ */
@media (max-width: 768px) {

    /* Touch Targets */
    .btn,
    .form-control,
    .select2-selection {
        min-height: 44px;
    }

    /* Card Tables */
    .table-mobile-cards {
        display: block;
    }

    .table-mobile-cards thead {
        display: none;
    }

    .table-mobile-cards tbody {
        display: block;
    }

    .table-mobile-cards tr {
        display: block;
        background: var(--bg-primary);
        border: 1px solid var(--border-default);
        border-radius: var(--radius-lg);
        margin-bottom: var(--space-4);
        padding: var(--space-4);
        box-shadow: var(--shadow-sm);
        position: relative;
    }

    .table-mobile-cards td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border: none;
        padding: var(--space-2) 0;
        text-align: right;
        flex-wrap: wrap;
    }

    .table-mobile-cards td::before {
        content: attr(data-label);
        font-weight: var(--font-medium);
        color: var(--text-secondary);
        font-size: 11px;
        text-transform: uppercase;
        margin-right: var(--space-4);
        text-align: left;
        flex-shrink: 0;
    }

    .table-mobile-cards td:empty {
        display: none;
    }

    .table-mobile-cards td:last-child {
        border-top: 1px solid var(--border-light);
        margin-top: var(--space-2);
        padding-top: var(--space-3);
        justify-content: flex-end;
        width: 100%;
    }

    .table-mobile-cards td:last-child::before {
        display: none;
    }

    /* Modals on Mobile */
    .modal {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
        margin: 0;
    }

    .modal-dialog {
        margin: 0;
        width: 100%;
        height: 100%;
    }

    .modal-content {
        height: 100%;
        border-radius: 0;
        border: none;
    }
}