/* ==========================================
   JuiceAi - Components
   ========================================== */

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn svg {
    width: 16px;
    height: 16px;
}

/* Primary Button */
.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);
}

.btn-primary:active:not(:disabled) {
    transform: scale(0.98);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

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

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

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

/* Secondary Button */
.btn-secondary {
    background: var(--color-bg-alt);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

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

/* Danger Button */
.btn-danger {
    background: var(--color-error);
    color: white;
    border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
    background: #B91C1C;
    border-color: #B91C1C;
}

/* Button Sizes */
.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-lg svg {
    width: 20px;
    height: 20px;
}

/* Block Button */
.btn-block {
    width: 100%;
}

/* Icon Button */
.btn-icon {
    padding: var(--space-2);
}

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

/* ==========================================
   Badge
   ========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    background: var(--color-bg-alt);
    color: var(--color-text-secondary);
}

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

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

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

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background: var(--color-bg-alt);
    cursor: not-allowed;
}

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

.form-error {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background: var(--color-error-light);
    border-radius: var(--radius-md);
    display: none;
}

.form-error.visible {
    display: block;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-check input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.form-check span {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ==========================================
   Cards
   ========================================== */
.card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.card-header h3 {
    font-size: var(--text-lg);
    font-weight: 600;
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-alt);
}

/* ==========================================
   Tables
   ========================================== */
.table-container {
    overflow-x: auto;
}

.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(--color-border-light);
}

.table th {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-bg-alt);
}

.table td {
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}

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

/* ==========================================
   Tabs
   ========================================== */
.tabs {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-1);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
}

.tab {
    flex: 1;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.tab.active {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
}

/* ==========================================
   Progress Bar
   ========================================== */
.progress {
    height: 8px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

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

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

.progress-bar-error {
    background: var(--color-error);
}

/* ==========================================
   Skeleton Loading
   ========================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-alt) 25%,
        var(--color-bg-hover) 50%,
        var(--color-bg-alt) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1em;
    margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.skeleton-card {
    height: 200px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ==========================================
   Empty State
   ========================================== */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    color: var(--color-text-muted);
}

.empty-state h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.empty-state p {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
}

/* ==========================================
   Stat Card
   ========================================== */
.stat-card {
    padding: var(--space-6);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.stat-card-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.stat-card-icon {
    width: 20px;
    height: 20px;
    color: var(--color-text-tertiary);
}

.stat-card-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.stat-card-change {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.stat-card-change.positive {
    color: var(--color-success);
}

.stat-card-change.negative {
    color: var(--color-error);
}

/* ==========================================
   Alert
   ========================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.alert-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.alert-message {
    font-size: var(--text-sm);
}

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

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

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

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

/* ==========================================
   Tooltip
   ========================================== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    color: white;
    background: var(--color-text-primary);
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip, 50);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ==========================================
   Divider
   ========================================== */
.divider {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--space-6) 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border-light);
}

/* ==========================================
   Avatar
   ========================================== */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--text-xs);
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: var(--text-lg);
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: var(--text-2xl);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
}

/* ==========================================
   Spinner
   ========================================== */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================
   Copy Button
   ========================================== */
.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.copy-btn.copied {
    color: var(--color-success);
    border-color: var(--color-success);
}

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