/* 
 * WhatsApp Gateway - Main Stylesheet
 * Modern Dark Theme with Green Accents
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #00a884;
    --primary-hover: #008f72;
    --primary-light: rgba(0, 168, 132, 0.1);
    --secondary: #202c33;
    --dark: #111b21;
    --darker: #0b141a;
    --light: #e9edef;
    --muted: #8696a0;
    --border: #2a3942;
    --card-bg: #202c33;
    --input-bg: #2a3942;
    --success: #00a884;
    --danger: #ea4335;
    --warning: #f7b928;
    --info: #53bdeb;
    --white: #ffffff;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--darker);
    color: var(--light);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--darker);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--muted);
}

/* Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--dark);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo i {
    font-size: 32px;
    color: var(--primary);
}

.sidebar-logo h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.sidebar-logo span {
    font-size: 11px;
    color: var(--muted);
    display: block;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--light);
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    transition: var(--transition);
}

.nav-item i {
    font-size: 20px;
    width: 24px;
    text-align: center;
    opacity: 0.7;
}

.nav-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-item:hover i {
    opacity: 1;
}

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

.nav-item.active i {
    opacity: 1;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--secondary);
    border-radius: var(--radius-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.user-details h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
}

.user-details span {
    font-size: 12px;
    color: var(--muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 24px;
    min-height: 100vh;
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
}

.page-subtitle {
    color: var(--muted);
    font-size: 14px;
    margin-top: 4px;
}

.page-actions {
    display: flex;
    gap: 12px;
}

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

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    background: var(--dark);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

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

.stat-icon.success {
    background: rgba(0, 168, 132, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background: rgba(247, 185, 40, 0.1);
    color: var(--warning);
}

.stat-icon.info {
    background: rgba(83, 189, 235, 0.1);
    color: var(--info);
}

.stat-icon.danger {
    background: rgba(234, 67, 53, 0.1);
    color: var(--danger);
}

.stat-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.stat-content p {
    color: var(--muted);
    font-size: 14px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn i {
    font-size: 18px;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 168, 132, 0.4);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--light);
    border: 1px solid var(--border);
}

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

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

.btn-danger:hover {
    background: #d32f2f;
}

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

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
}

.btn-icon.sm {
    width: 32px;
    height: 32px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--light);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    font-size: 14px;
    color: var(--light);
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-family: inherit;
}

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

.form-control::placeholder {
    color: var(--muted);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-select {
    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='%238696a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 40px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-check-input {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

.form-hint {
    font-size: 12px;
    color: var(--muted);
    margin-top: 6px;
}

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

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

.table th,
.table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    background: var(--dark);
}

.table td {
    font-size: 14px;
    color: var(--light);
}

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

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

.badge-success {
    background: rgba(0, 168, 132, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(234, 67, 53, 0.15);
    color: var(--danger);
}

.badge-warning {
    background: rgba(247, 185, 40, 0.15);
    color: var(--warning);
}

.badge-info {
    background: rgba(83, 189, 235, 0.15);
    color: var(--info);
}

.badge-secondary {
    background: var(--secondary);
    color: var(--muted);
}

/* Status indicators */
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
    background: var(--danger);
}

.status-dot.pending {
    background: var(--warning);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert i {
    font-size: 20px;
}

.alert-success {
    background: rgba(0, 168, 132, 0.15);
    color: var(--success);
    border: 1px solid rgba(0, 168, 132, 0.3);
}

.alert-danger {
    background: rgba(234, 67, 53, 0.15);
    color: var(--danger);
    border: 1px solid rgba(234, 67, 53, 0.3);
}

.alert-warning {
    background: rgba(247, 185, 40, 0.15);
    color: var(--warning);
    border: 1px solid rgba(247, 185, 40, 0.3);
}

.alert-info {
    background: rgba(83, 189, 235, 0.15);
    color: var(--info);
    border: 1px solid rgba(83, 189, 235, 0.3);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: var(--card-bg);
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
}

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

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* QR Code Container */
.qr-container {
    text-align: center;
    padding: 40px;
}

.qr-code {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    display: inline-block;
    margin-bottom: 20px;
}

.qr-code img {
    max-width: 256px;
    height: auto;
}

.qr-status {
    color: var(--muted);
    margin-top: 16px;
}

/* Chat Interface */
.chat-container {
    display: flex;
    height: calc(100vh - 120px);
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
}

.chat-sidebar {
    width: 320px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.chat-search {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

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

.chat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border);
}

.chat-item:hover,
.chat-item.active {
    background: var(--dark);
}

.chat-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 18px;
    flex-shrink: 0;
}

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

.chat-name {
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-preview {
    font-size: 13px;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-meta {
    text-align: right;
}

.chat-time {
    font-size: 12px;
    color: var(--muted);
}

.chat-unread {
    background: var(--primary);
    color: var(--white);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-top: 4px;
    display: inline-block;
}

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

.chat-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: var(--darker);
}

.message {
    max-width: 70%;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
}

.message.outgoing {
    margin-left: auto;
    align-items: flex-end;
}

.message.incoming {
    margin-right: auto;
    align-items: flex-start;
}

.message-bubble {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.message.outgoing .message-bubble {
    background: var(--primary);
    color: var(--white);
    border-bottom-right-radius: 4px;
}

.message.incoming .message-bubble {
    background: var(--card-bg);
    color: var(--light);
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 11px;
    color: var(--muted);
    margin-top: 4px;
}

.chat-input {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.chat-input textarea {
    flex: 1;
    max-height: 120px;
    resize: none;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 64px;
    color: var(--muted);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 20px;
    color: var(--white);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--muted);
    margin-bottom: 24px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a {
    background: var(--secondary);
    color: var(--light);
}

.pagination a:hover {
    background: var(--primary);
    color: var(--white);
}

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

.pagination span.disabled {
    color: var(--muted);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.tab {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.tab:hover {
    color: var(--light);
    background: var(--dark);
}

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

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

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    z-index: 2000;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 48px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo i {
    font-size: 56px;
    color: var(--primary);
    margin-bottom: 16px;
}

.login-logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.login-logo p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .chat-sidebar {
        width: 100%;
        position: absolute;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .table th,
    .table td {
        padding: 12px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* Tooltip */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: var(--light);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 100;
    margin-bottom: 8px;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--light);
    transition: var(--transition);
}

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

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}