/* Professional Supplier Contacts Management CSS */
:root {
    --primary: #0B4F6C;
    --primary-dark: #083b4f;
    --primary-light: #1a6b8a;
    --secondary: #10B981;
    --accent: #F59E0B;
    --danger: #EF4444;
    --whatsapp: #25D366;
    --whatsapp-dark: #075E54;
    --dark: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--gray-100);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.logo-circle {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 18px;
    font-style: italic;
}

.nav-menu {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link i {
    font-size: 16px;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(11, 79, 108, 0.1);
    font-weight: 600;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-icon {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    position: relative;
    color: var(--gray-600);
    border-radius: 50%;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: white;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 10px;
    min-width: 18px;
}

.user-dropdown {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--gray-200);
}

.user-dropdown:hover {
    background: var(--gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 32px auto;
    padding: 0 24px;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 4px;
}

.page-header h1 i {
    margin-right: 8px;
}

.page-header p {
    color: var(--gray-500);
    font-size: 14px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-details {
    flex: 1;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 18px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h2 i {
    color: var(--primary);
}

.card-actions {
    display: flex;
    gap: 8px;
}

.card-body {
    padding: 20px;
}

/* WhatsApp Cards */
.whatsapp-card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
    transition: all 0.2s;
    background: var(--white);
}

.whatsapp-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--gray-300);
}

.whatsapp-card.inactive {
    opacity: 0.7;
    background: var(--gray-100);
}

.whatsapp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.whatsapp-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.whatsapp-title h4 {
    font-size: 16px;
    color: var(--dark);
}

.primary-badge {
    background: var(--whatsapp);
    color: white;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.inactive-badge {
    background: var(--gray-500);
    color: white;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.whatsapp-actions {
    display: flex;
    gap: 4px;
}

.whatsapp-details {
    margin: 12px 0;
}

.detail-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.detail-row i {
    width: 16px;
    color: var(--gray-500);
}

.btn-copy {
    padding: 4px 8px;
    font-size: 12px;
}

.auto-reply {
    background: #f0f9f0;
    border-left: 3px solid var(--whatsapp);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-top: 12px;
    display: flex;
    gap: 12px;
}

.auto-reply i {
    color: var(--whatsapp);
    font-size: 20px;
}

.auto-reply strong {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

.auto-reply p {
    font-size: 12px;
    color: var(--gray-600);
}

.whatsapp-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
}

.qr-section {
    display: flex;
    gap: 16px;
}

.btn-link {
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.btn-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.date-added {
    font-size: 11px;
    color: var(--gray-500);
}

/* Template Items */
.template-item {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    transition: background 0.2s;
}

.template-item:hover {
    background: var(--gray-100);
}

.template-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.template-header h4 {
    font-size: 14px;
    color: var(--dark);
}

.template-category {
    background: var(--gray-200);
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 10px;
    color: var(--gray-700);
}

.template-preview {
    font-size: 12px;
    color: var(--gray-600);
    margin-bottom: 8px;
    line-height: 1.5;
}

.template-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.usage-count {
    font-size: 11px;
    color: var(--gray-500);
}

.template-actions {
    display: flex;
    gap: 4px;
}

.view-more {
    padding: 12px;
    text-align: center;
}

.view-more a {
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
}

/* Conversations List */
.conversations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.conversation-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.conversation-item:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

.conversation-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    flex-shrink: 0;
}

.conversation-details {
    flex: 1;
    min-width: 0;
}

.conversation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.conversation-header h4 {
    font-size: 14px;
    color: var(--dark);
    margin: 0;
}

.conversation-time {
    font-size: 11px;
    color: var(--gray-500);
}

.conversation-preview {
    font-size: 12px;
    color: var(--gray-600);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-state i {
    font-size: 48px;
    color: var(--gray-400);
    margin-bottom: 16px;
}

.empty-state h3 {
    color: var(--dark);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 16px;
}

.empty-state.small {
    padding: 20px;
}

.empty-state.small i {
    font-size: 32px;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(11, 79, 108, 0.3);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    color: var(--dark);
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-500);
}

.close-modal:hover {
    color: var(--dark);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.required::after {
    content: '*';
    color: var(--danger);
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(11, 79, 108, 0.1);
}

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

.phone-input-container {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.phone-input-container:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11, 79, 108, 0.1);
}

.country-code-select {
    padding: 10px;
    border: none;
    background: var(--gray-100);
    border-right: 1.5px solid var(--gray-200);
    font-size: 14px;
    cursor: pointer;
}

.phone-input-container .form-input {
    border: none;
    flex: 1;
}

.phone-input-container .form-input:focus {
    box-shadow: none;
}

.row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.hours-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hour-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hour-row span {
    width: 80px;
    font-size: 13px;
    color: var(--gray-600);
}

.hour-row input {
    flex: 1;
}

.error-message {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.error-message.show {
    display: block;
}

.hint {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 16px;
    right: 16px;
    background: var(--dark);
    color: white;
    padding: 14px 24px;
    border-radius: 30px;
    font-size: 14px;
    text-align: center;
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    max-width: 400px;
    margin: 0 auto;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--secondary);
}

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 3000;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

.loading-overlay p {
    color: white;
    font-size: 16px;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-user span {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .row-2 {
        grid-template-columns: 1fr;
    }
    
    .hour-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hour-row span {
        width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    
    .whatsapp-header {
        flex-direction: column;
        gap: 12px;
    }
    
    .whatsapp-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .whatsapp-footer {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}