/**
 * Components CSS
 * Reusable 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);
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-surface-hover);
    box-shadow: var(--shadow-sm);
}

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

.btn-success:hover:not(:disabled) {
    filter: brightness(1.1);
}

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

.btn-danger:hover:not(:disabled) {
    filter: brightness(1.1);
}

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

.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface-hover);
}

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

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
}

.btn-icon {
    padding: var(--space-3);
    width: 40px;
    height: 40px;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.card-hover:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin: 0;
}

.card-body {
    margin: var(--space-4) 0;
}

.card-footer {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

/* Glassmorphism card variant */
.card-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .card-glass {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   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);
    color: var(--color-text);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-danger);
}

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

.form-error {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-danger);
}

.form-help {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Checkbox and Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
    font-size: var(--text-sm);
}

/* Input Group */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    background: var(--color-gray-100);
    border: 1px solid var(--color-border);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-input {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: 1;
    border-radius: var(--radius-full);
}

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

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

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

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

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

.badge-neutral {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

/* ============================================
   TABLES
   ============================================ */

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.table thead {
    background: var(--color-gray-100);
}

[data-theme="dark"] .table thead {
    background: var(--color-surface-hover);
}

.table th {
    padding: var(--space-4);
    text-align: left;
    font-weight: var(--font-semibold);
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
}

.table th.sortable {
    cursor: pointer;
    user-select: none;
}

.table th.sortable:hover {
    background: var(--color-gray-200);
}

.table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.table tbody tr:hover {
    background: var(--color-surface-hover);
}

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

/* ============================================
   MODALS
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    animation: fadeIn var(--transition-fast);
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: slideDown var(--transition-base);
}

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

.modal-header h3 {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
}

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

/* ============================================
   SEARCH BAR
   ============================================ */

.search-bar {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.search-input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-10);
    font-size: var(--text-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

/* ============================================
   DROPDOWN
   ============================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: var(--z-dropdown);
    display: none;
    animation: slideDown var(--transition-fast);
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--color-surface-hover);
}

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

/* ============================================
   TOAST NOTIFICATIONS (Professional)
   ============================================ */

.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: 400px;
    pointer-events: none;
}

.toast {
    pointer-events: all;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    min-width: 300px;
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--color-primary);
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: bold;
    font-size: var(--text-sm);
}

.toast-message {
    flex: 1;
    color: var(--color-text);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--text-xl);
    line-height: 1;
    padding: 0;
    width: 20px;
    height: 20px;
    cursor: pointer;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

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

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    width: 100%;
    transform-origin: left;
}

/* Toast Types */
.toast-success {
    border-left-color: var(--color-success);
}

.toast-success .toast-icon {
    background: var(--color-success);
    color: white;
}

.toast-success .toast-progress {
    color: var(--color-success);
}

.toast-error {
    border-left-color: var(--color-danger);
}

.toast-error .toast-icon {
    background: var(--color-danger);
    color: white;
}

.toast-error .toast-progress {
    color: var(--color-danger);
}

.toast-warning {
    border-left-color: var(--color-warning);
}

.toast-warning .toast-icon {
    background: var(--color-warning);
    color: white;
}

.toast-warning .toast-progress {
    color: var(--color-warning);
}

.toast-info {
    border-left-color: var(--color-info);
}

.toast-info .toast-icon {
    background: var(--color-info);
    color: white;
}

.toast-info .toast-progress {
    color: var(--color-info);
}

/* Toast Animations */
.toast-enter {
    opacity: 0;
    transform: translateX(100%);
}

.toast-show {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.toast-exit {
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

@keyframes toast-progress {
    from {
        transform: scaleX(1);
    }

    to {
        transform: scaleX(0);
    }
}

/* Mobile Toast Positioning */
@media (max-width: 768px) {
    .toast-container {
        top: auto;
        bottom: calc(80px + var(--space-4));
        /* Above mobile nav */
        left: var(--space-3);
        right: var(--space-3);
        max-width: none;
    }

    .toast {
        min-width: 0;
        width: 100%;
    }
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    margin-bottom: var(--space-4);
}

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

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

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

.alert-danger {
    background: var(--color-danger-light);
    border-left-color: var(--color-danger);
    color: var(--color-danger);
}

/* ============================================
   PAGINATION
   ============================================ */

.pagination {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    margin: var(--space-6) 0;
}

.pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.pagination-item:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
}

.pagination-item.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

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

/* ============================================
   IMAGE GALLERY
   ============================================ */

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

.image-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.image-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-2);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-xs);
}

.modal-large {
    max-width: 900px;
    width: 90vw;
}

@media (max-width: 768px) {
    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--space-2);
    }
}

/* ============================================
   TABS
   ============================================ */

.tabs {
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-6);
}

.tabs-list {
    display: flex;
    gap: var(--space-1);
    list-style: none;
}

.tab-item {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-item:hover {
    color: var(--color-text);
}

.tab-item.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================
   STATS CARD
   ============================================ */

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: all var(--transition-fast);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: var(--text-2xl);
}

.stat-icon.primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.stat-icon.success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.stat-icon.warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.stat-icon.danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-8);
}

.empty-state-icon {
    font-size: 64px;
    color: var(--color-gray-400);
    margin-bottom: var(--space-4);
}

.empty-state-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.empty-state-message {
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}