/* css/components.css */
/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-100);
}

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

.card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
    margin: var(--space-sm) 0;
}

.card-footer {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-light);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Dashboard Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
}

.stat-card.success::before { background: linear-gradient(90deg, var(--success), #0da76e); }
.stat-card.warning::before { background: linear-gradient(90deg, var(--warning), #e28b0a); }
.stat-card.error::before { background: linear-gradient(90deg, var(--error), #dc2626); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.btn-primary:hover {
    background: var(--primary-700);
    border-color: var(--primary-700);
}

.btn-secondary {
    background: var(--secondary-500);
    color: white;
    border-color: var(--secondary-500);
}

.btn-secondary:hover {
    background: var(--secondary-600);
    border-color: var(--secondary-600);
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    justify-content: center;
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

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

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-error {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Tables */
.table-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.data-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
}

.data-table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
}

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

.data-table tr:hover {
    background: var(--border-light);
}

.table-actions {
    display: flex;
    gap: var(--space-sm);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

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

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.form-error {
    display: block;
    margin-top: var(--space-xs);
    color: var(--error);
    font-size: 0.75rem;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-md);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.modal-body {
    padding: var(--space-lg);
}

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

/* Toasts */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.toast {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: var(--space-md) var(--space-lg);
    border-left: 4px solid var(--primary-500);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: toastSlideIn 0.3s ease;
}

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

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

/* Loading States */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--border);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner.small {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.spinner.large {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

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

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    color: var(--border);
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--border) 25%,
        var(--border-light) 50%,
        var(--border) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius);
}

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

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

.skeleton-circle {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}

/* Chat Components */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 600px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

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

.chat-messages {
    flex: 1;
    padding: var(--space-lg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chat-message {
    max-width: 70%;
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    position: relative;
}

.chat-message.sent {
    align-self: flex-end;
    background: var(--primary-50);
    border-bottom-right-radius: var(--radius-sm);
}

.chat-message.received {
    align-self: flex-start;
    background: var(--border-light);
    border-bottom-left-radius: var(--radius-sm);
}

.chat-input {
    padding: var(--space-lg);
    border-top: 1px solid var(--border);
    display: flex;
    gap: var(--space-sm);
}

.chat-input input {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

/* Chat: sidebar + conversation two-pane layout (vendor dashboard) */
.chat-layout {
    flex-direction: row;
    height: calc(100vh - 220px);
    min-height: 480px;
}

.chat-sidebar {
    width: 300px;
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.chat-sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.chat-sidebar-header h5 {
    margin: 0;
}

.chat-rooms-list {
    flex: 1;
    overflow-y: auto;
}

.chat-room-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.15s;
}

.chat-room-item:hover {
    background: var(--border-light);
}

.chat-room-item.active {
    background: var(--primary-50);
}

.room-avatar {
    width: 2.5rem;
    height: 2.5rem;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--primary-600);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.room-info {
    flex: 1;
    min-width: 0;
}

.room-name {
    font-weight: 600;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.room-preview {
    font-size: 0.8rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.room-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    flex-shrink: 0;
}

.room-time {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.unread-badge {
    background: var(--primary-600);
    color: white;
    border-radius: 999px;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-header-name {
    font-weight: 600;
}

.chat-presence-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--text-muted);
}

.chat-presence-dot.online {
    background: var(--success, #16a34a);
}

.chat-typing-indicator {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.chat-status-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--border-light);
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
}

.message-reply-preview {
    font-size: 0.75rem;
    color: var(--text-muted);
    border-left: 2px solid var(--primary-600);
    padding-left: 0.5rem;
    margin-bottom: 0.375rem;
}

.message-attachment-image {
    max-width: 220px;
    border-radius: var(--radius);
    display: block;
    margin-top: 0.375rem;
}

.message-attachment-file {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.375rem;
    color: inherit;
    text-decoration: underline;
}

.chat-message .message-time {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.empty-chat, .empty-messages {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 0.5rem;
}

.empty-chat i {
    font-size: 2.5rem;
}

@media (max-width: 768px) {
    .chat-layout {
        flex-direction: column;
        height: calc(100vh - 180px);
    }

    .chat-sidebar {
        width: 100%;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: var(--radius);
    }

    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        max-width: none;
    }

    .chat-container {
        height: calc(100vh - 140px);
    }

    .chat-message {
        max-width: 85%;
    }

    .card-value {
        font-size: 1.5rem;
    }
}