/* Global Styles */
:root {
    --whatsapp-green: #25D366;
    --whatsapp-light-green: #128C7E;
    --whatsapp-dark-green: #075E54;
    --dark-bg: #121212;
    --darker-bg: #1e1e1e;
    --card-bg: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333333;
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #F44336;
    --info: #2196F3;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    direction: rtl;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
}

.container {
    width: 100%;
    min-height: 100vh;
    display: flex;
}

.page {
    display: none;
    width: 100%;
}

.page.active {
    display: flex;
}

/* Login & Register Pages */
.login-container {
    width: 100%;
    max-width: 400px;
    margin: auto;
    padding: 2rem;
    background-color: var(--darker-bg);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo i {
    font-size: 3rem;
    color: var(--whatsapp-green);
    margin-bottom: 1rem;
}

.logo h1 {
    color: var(--whatsapp-green);
    font-size: 1.8rem;
}

.login-form h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-group i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-group input {
    width: 100%;
    padding: 12px 45px 12px 15px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--whatsapp-green);
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.login-btn {
    background-color: var(--whatsapp-green);
    color: white;
}

.login-btn:hover {
    background-color: var(--whatsapp-light-green);
}

.register-btn {
    background-color: var(--whatsapp-dark-green);
    color: white;
}

.register-btn:hover {
    background-color: var(--whatsapp-light-green);
}

.register-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.register-link a {
    color: var(--whatsapp-green);
    text-decoration: none;
}

.register-link a:hover {
    text-decoration: underline;
}

/* Dashboard Layout */
#dashboard {
    flex-direction: row;
}

.sidebar {
    width: 250px;
    background-color: var(--darker-bg);
    height: 100vh;
    position: fixed;
    right: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
}

.logo h2 {
    color: var(--whatsapp-green);
    font-size: 1.3rem;
    margin: 0;
}

.nav-links {
    list-style: none;
    padding: 2rem 0;
    flex-grow: 1;
}

.nav-links li {
    margin-bottom: 0.5rem;
}

.nav-links li.active a {
    background-color: rgba(37, 211, 102, 0.1);
    border-right: 3px solid var(--whatsapp-green);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-link i {
    margin-left: 1rem;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0.5rem;
    margin: 0.25rem 0;
    position: relative;
}

.admin-nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.admin-nav-link:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.3);
}

.admin-nav-link:active {
    background-color: rgba(37, 211, 102, 0.2);
    transform: scale(0.98);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.admin-nav-link:visited {
    color: var(--text-primary);
}

.admin-nav-link:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.admin-nav-link i {
    margin-left: 1rem;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.admin-nav-link span {
    margin-right: 1rem;
    font-weight: 500;
}

/* أنماط مماثلة للروابط العادية */
.nav-links li.active .admin-nav-link {
    background-color: rgba(37, 211, 102, 0.1);
    border-right: 3px solid var(--whatsapp-green);
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.2);
}

/* أنماط إضافية للروابط الإدارية */
.nav-links li:has(.admin-nav-link) {
    margin-bottom: 0.5rem;
}

/* أنماط خاصة بالروابط الإدارية */
.admin-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: transparent;
    transition: all 0.3s ease;
}

.admin-nav-link:hover::before {
    background: var(--whatsapp-green);
}

.admin-nav-link:focus::before {
    background: var(--whatsapp-green);
    width: 5px;
}

.admin-nav-link:active::before {
    background: var(--whatsapp-green);
    width: 7px;
}

/* أنماط إدارة المستخدمين */
.admin-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.users-table-container,
.advanced-users-table-container,
.audit-logs-container {
    background: var(--card-bg);
    border-radius: 0.5rem;
    overflow-x: auto;
    overflow-y: visible;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

.users-table,
.advanced-users-table,
.audit-logs-table {
    width: 100%;
    min-width: 800px;
    border-collapse: collapse;
    table-layout: auto;
}

.users-table th,
.advanced-users-table th,
.audit-logs-table th {
    background: var(--darker-bg);
    color: var(--text-primary);
    padding: 1rem;
    text-align: right;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.users-table td,
.advanced-users-table td,
.audit-logs-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.users-table tr:hover,
.advanced-users-table tr:hover,
.audit-logs-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* أنماط التبويبات */
.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    border-bottom: 2px solid transparent;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--whatsapp-green);
    border-bottom-color: var(--whatsapp-green);
}

.tab-content {
    margin-top: 1rem;
}

.tab-panel {
    display: none;
}

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

/* أنماط الإحصائيات الإدارية */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.admin-stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.admin-stat-card:hover {
    transform: translateY(-2px);
}

/* أنماط الأزرار الإدارية */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: #1976D2;
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background: #388E3C;
    transform: translateY(-1px);
}

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

.btn-warning:hover {
    background: #F57C00;
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background: #D32F2F;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* أنماط الـ badges */
.status-badge,
.role-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.active {
    background: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.status-badge.inactive {
    background: rgba(244, 67, 54, 0.2);
    color: var(--danger);
}

.role-badge.admin {
    background: rgba(156, 39, 176, 0.2);
    color: #9C27B0;
}

.role-badge.user {
    background: rgba(33, 150, 243, 0.2);
    color: var(--info);
}

/* Custom Modal Styles */
.custom-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--card-bg);
    margin: 10% auto;
    padding: 0;
    border-radius: 1rem;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    overflow: hidden;
}

.modal-header {
    background: var(--darker-bg);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
    text-align: center;
}

.modal-icon {
    margin-bottom: 1rem;
}

.modal-icon i {
    font-size: 3rem;
    color: var(--warning);
}

.modal-body p {
    color: var(--text-primary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

.modal-footer {
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
}

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

.btn-secondary:hover {
    background: #757575;
    transform: translateY(-1px);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 300px;
    animation: slideInRight 0.3s ease;
    border-left: 4px solid var(--success);
}

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

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

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

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

.toast-icon {
    font-size: 1.25rem;
}

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

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

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

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

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: 0.9rem;
    opacity: 0.9;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all 0.3s;
}

.toast-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

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

.user-info {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--whatsapp-green);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 1rem;
}

.user-avatar i {
    color: white;
    font-size: 1.2rem;
}

.user-details {
    flex-grow: 1;
}

.user-details span {
    display: block;
    margin-bottom: 0.5rem;
}

.logout-btn {
    background-color: var(--danger);
    color: white;
    padding: 5px 10px;
    font-size: 0.8rem;
}

.main-content {
    flex-grow: 1;
    margin-right: 250px;
    padding: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.header h1 {
    font-size: 1.8rem;
    color: var(--text-primary);
}

.primary-btn {
    background-color: var(--whatsapp-green);
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.primary-btn:hover {
    background-color: var(--whatsapp-light-green);
}

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

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

.content-section {
    display: none;
}

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

/* Sessions Grid */
.sessions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.session-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    border: 1px solid var(--border-color);
}

.session-card:hover {
    transform: translateY(-5px);
    border-color: var(--whatsapp-green);
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.session-title {
    font-size: 1.2rem;
    font-weight: bold;
}

.session-status {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.status-connected {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.status-disconnected {
    background-color: rgba(244, 67, 54, 0.2);
    color: var(--danger);
}

.status-pending {
    background-color: rgba(255, 152, 0, 0.2);
    color: var(--warning);
}

.session-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.action-btn {
    flex: 1;
    padding: 0.5rem;
    border-radius: 5px;
    border: none;
    background-color: var(--darker-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.action-btn:hover {
    background-color: var(--whatsapp-green);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background-color: var(--card-bg);
    border-radius: 10px;
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.empty-state h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 1rem;
}

.stat-icon i {
    font-size: 1.8rem;
    color: white;
}

.bg-green {
    background-color: var(--whatsapp-green);
}

.bg-blue {
    background-color: var(--info);
}

.bg-purple {
    background-color: #9C27B0;
}

.bg-orange {
    background-color: var(--warning);
}

.stat-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-info p {
    color: var(--text-secondary);
}

.chart-container {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.chart-container h2 {
    margin-bottom: 1rem;
}

/* Settings Section */
.settings-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.setting-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.setting-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.setting-item {
    margin-bottom: 1rem;
}

.setting-item label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.setting-item input {
    width: 100%;
    padding: 10px;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
}

.warning-text {
    color: var(--danger);
    margin-bottom: 1rem;
}

.token-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.token-container input {
    background-color: var(--darker-bg);
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

.token-container .btn {
    align-self: flex-start;
    margin-top: 0.5rem;
}

.info-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.info-text i {
    color: var(--info);
    margin-left: 0.5rem;
}

.setting-card .code-block {
    background-color: var(--darker-bg);
    border-radius: 5px;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.setting-card .code-block pre {
    color: #f8f8f2;
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.4;
}

.session-select {
    width: 100%;
    padding: 10px;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.session-id-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.session-id-container input {
    background-color: var(--darker-bg);
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.session-id-container .btn {
    align-self: flex-start;
    margin-top: 0.5rem;
}

.setting-card .session-select:focus,
.setting-card .session-id-container input:focus {
    outline: none;
    border-color: var(--whatsapp-green);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background-color: var(--darker-bg);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    position: relative;
    border: 1px solid var(--whatsapp-green);
}

.close {
    color: var(--text-secondary);
    float: left;
    font-size: 2rem;
    font-weight: bold;
    position: absolute;
    left: 1rem;
    top: 1rem;
    cursor: pointer;
}

.close:hover {
    color: var(--whatsapp-green);
}

.qr-container {
    text-align: center;
    margin: 2rem 0;
    padding: 1rem;
    background-color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

#qr-code-placeholder p {
    color: #333;
}

#qr-image {
    max-width: 100%;
}

.session-info {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

.session-info ol {
    padding-right: 1.5rem;
    margin: 1rem 0;
}

.session-info li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.test-message-section {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

.test-message-section h3 {
    margin-bottom: 1rem;
}

.test-message-section textarea {
    width: 100%;
    min-height: 100px;
    padding: 10px;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    resize: vertical;
}

.session-status {
    text-align: center;
    padding: 1rem;
    background-color: var(--card-bg);
    border-radius: 5px;
    font-weight: bold;
}

.session-status.connected {
    color: var(--success);
}

.session-status.disconnected {
    color: var(--danger);
}

.session-status.pending {
    color: var(--warning);
}

/* Messages Section */
.messages-container {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.message-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.message-controls .input-group {
    flex: 1;
    min-width: 200px;
}

.message-controls select,
.message-controls input {
    width: 100%;
    padding: 10px;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
}

.message-input-area {
    margin-bottom: 1.5rem;
}

.message-input-area textarea {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    resize: vertical;
    margin-bottom: 1rem;
}

.message-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.message-actions .btn {
    flex: 1;
}

#file-input {
    display: none;
}

.file-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--card-bg);
    padding: 0.5rem;
    border-radius: 5px;
    margin-top: 0.5rem;
}

.file-preview span {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.remove-file {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
}

.messages-list {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 1rem;
    background-color: var(--darker-bg);
}

.message-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.message-item:last-child {
    border-bottom: none;
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.message-sender {
    font-weight: bold;
    color: var(--whatsapp-green);
}

.message-time {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.message-content {
    color: var(--text-primary);
    line-height: 1.5;
}

.message-status {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    text-align: right;
}

.status-sent {
    color: var(--success);
}

.status-delivered {
    color: var(--info);
}

.status-read {
    color: var(--whatsapp-green);
}

.media-message {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--card-bg);
    padding: 0.5rem;
    border-radius: 5px;
    margin-top: 0.5rem;
}

.media-message i {
    color: var(--whatsapp-green);
}

/* API Documentation Section */
.docs-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.doc-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.doc-card h2 {
    color: var(--whatsapp-green);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.doc-card h3 {
    color: var(--text-primary);
    margin: 1rem 0 0.5rem 0;
    font-size: 1.2rem;
}

.doc-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.doc-card ul {
    color: var(--text-secondary);
    padding-right: 1.5rem;
}

.doc-card li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.code-block {
    background-color: var(--darker-bg);
    border-radius: 5px;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.code-block pre {
    color: #f8f8f2;
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Error and Loading Messages */
.error-message {
    text-align: center;
    padding: 2rem;
    color: var(--text-primary);
}

.error-message i {
    font-size: 3rem;
    color: var(--danger);
    margin-bottom: 1rem;
}

.error-message p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.loading-spinner {
    text-align: center;
    padding: 2rem;
}

.loading-spinner i {
    font-size: 3rem;
    color: var(--whatsapp-green);
    margin-bottom: 1rem;
}

.loading-spinner p {
    color: var(--text-secondary);
    margin-top: 1rem;
}

.session-status.error {
    color: var(--danger);
    background: rgba(244, 67, 54, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

/* ============================================
   RESPONSIVE DESIGN - Mobile First Approach
   ============================================ */

/* Tablet and below (768px) */
@media (max-width: 768px) {
    /* Sidebar - Collapsed */
    .sidebar {
        width: 70px;
        overflow-x: hidden;
    }
    
    .sidebar .logo h2,
    .nav-link span,
    .admin-nav-link span,
    .user-details {
        display: none;
    }
    
    .nav-link,
    .admin-nav-link {
        justify-content: center;
        padding: 1rem;
    }
    
    .nav-link i,
    .admin-nav-link i {
        margin: 0;
        font-size: 1.25rem;
    }
    
    .user-info {
        justify-content: center;
        padding: 1rem;
    }
    
    .user-avatar {
        margin: 0;
    }
    
    /* Main Content */
    .main-content {
        margin-right: 70px;
        padding: 1rem;
    }
    
    /* Server Status Bar */
    .server-status-bar {
        position: relative;
    }
    
    .status-container {
        flex-direction: column;
        gap: 10px;
        padding: 12px 15px;
    }
    
    .status-right {
        width: 100%;
        justify-content: space-between;
    }
    
    /* Headers */
    .header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Grids */
    .sessions-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Session Cards */
    .session-card {
        padding: 1rem;
    }
    
    .session-actions {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .session-actions .btn {
        flex: 1;
        min-width: 120px;
    }
    
    /* Tables - Responsive */
    .users-table-container,
    .advanced-users-table-container,
    .audit-logs-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }
    
    .users-table,
    .advanced-users-table,
    .audit-logs-table {
        font-size: 0.875rem;
        min-width: 600px;
    }
    
    .users-table th,
    .advanced-users-table th,
    .audit-logs-table th,
    .users-table td,
    .advanced-users-table td,
    .audit-logs-table td {
        padding: 0.75rem 0.5rem;
        white-space: nowrap;
    }
    
    /* Admin Controls */
    .admin-controls {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .admin-controls .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Admin Tabs */
    .admin-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        margin: 0 -1rem 1rem;
        padding: 0 1rem;
    }
    
    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
        white-space: nowrap;
    }
    
    /* Admin Stats Grid */
    .admin-stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .admin-stat-card {
        padding: 1rem;
    }
    
    /* Action Buttons */
    .action-btn {
        width: 32px;
        height: 32px;
        margin: 0 2px;
        font-size: 0.875rem;
    }
    
    /* Status Badges */
    .status-badge,
    .role-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    .btn-sm {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    /* Messages */
    .message-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .message-controls .input-group {
        width: 100%;
    }
    
    .message-input-area textarea {
        min-height: 120px;
    }
    
    .message-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .message-actions .btn {
        width: 100%;
    }
    
    /* API Docs */
    .docs-container {
        padding: 0;
    }
    
    .doc-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .code-block {
        font-size: 0.75rem;
        overflow-x: auto;
    }
    
    .code-block pre {
        white-space: pre;
        word-wrap: normal;
    }
    
    /* Modals */
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-footer {
        flex-direction: column-reverse;
        gap: 0.75rem;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Stats Cards */
    .stat-card {
        padding: 1.25rem;
    }
    
    .stat-card h3 {
        font-size: 1.75rem;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    /* Even smaller adjustments */
    .sidebar {
        width: 60px;
    }
    
    .main-content {
        margin-right: 60px;
        padding: 0.75rem;
    }
    
    .header h1 {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: 0.625rem 0.875rem;
        font-size: 0.8125rem;
    }
    
    .session-card,
    .stat-card,
    .doc-card {
        padding: 0.875rem;
    }
    
    .modal-content {
        width: 98%;
        margin: 0.5rem;
    }
    
    /* QR Code */
    #qr-image {
        max-width: 180px;
        max-height: 180px;
    }
    
    /* Tables - Stack on very small screens */
    .users-table,
    .advanced-users-table,
    .audit-logs-table {
        font-size: 0.75rem;
    }
}

/* Large Tablets (between 768px and 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .sessions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (1024px and above) - Default styles apply */
@media (min-width: 1025px) {
    .sessions-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}