/* WhatsApp Multi-Session Manager Styles */

:root {
    --primary-color: #25d366;
    --secondary-color: #128c7e;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --info-color: #2196f3;
    --dark-color: #333;
    --light-color: #f5f5f5;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px 0;
    box-shadow: var(--box-shadow);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.header h1 i {
    margin-right: 10px;
    color: #fff;
}

.header-actions {
    display: flex;
    gap: 10px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    background: white;
    color: var(--dark-color);
}

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

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

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

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

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-icon.success { background: var(--success-color); }
.stat-icon.warning { background: var(--warning-color); }
.stat-icon.error { background: var(--error-color); }
.stat-icon.info { background: var(--info-color); }

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-info p {
    color: #666;
    font-size: 14px;
}

/* Sessions Section */
.sessions-section {
    margin: 40px 0;
}

.sessions-section h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.sessions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 20px;
}

.session-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

.session-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.session-header {
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-bottom: 1px solid #dee2e6;
}

.session-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.session-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
}

.session-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-connected {
    background: #d4edda;
    color: #155724;
}

.status-initializing {
    background: #fff3cd;
    color: #856404;
}

.status-disconnected {
    background: #f8d7da;
    color: #721c24;
}

.session-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 14px;
}

.session-info-item {
    display: flex;
    flex-direction: column;
}

.session-info-label {
    font-weight: 500;
    color: #666;
    margin-bottom: 2px;
}

.session-info-value {
    color: var(--dark-color);
}

.session-body {
    padding: 20px;
}

.session-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.session-actions .btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
}

/* Quick Message Section */
.quick-message-section {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 40px 0;
}

.quick-message-section h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.message-form {
    max-width: 800px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

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

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* API Testing Section */
.api-testing-section {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 40px 0;
}

.api-testing-section h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.api-tabs {
    display: flex;
    border-bottom: 2px solid #e1e5e9;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

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

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

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
}

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

.code-example {
    position: relative;
    margin-bottom: 20px;
}

.code-example h4 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.code-example pre {
    background: #2d3748;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 0;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: var(--transition);
}

.copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* Logs Section */
.logs-section {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 40px 0;
}

.logs-section h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.logs-header {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 15px;
}

.logs-content {
    background: #f8f9fa;
    border: 1px solid #e1e5e9;
    border-radius: var(--border-radius);
    padding: 15px;
    max-height: 400px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.4;
}

.log-entry {
    margin-bottom: 8px;
    padding: 8px;
    border-radius: 4px;
}

.log-success {
    background: #d4edda;
    color: #155724;
}

.log-error {
    background: #f8d7da;
    color: #721c24;
}

.log-info {
    background: #d1ecf1;
    color: #0c5460;
}

.log-warning {
    background: #fff3cd;
    color: #856404;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--box-shadow);
    animation: slideIn 0.3s ease;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #e1e5e9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: var(--dark-color);
}

.close {
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    color: #666;
}

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #e1e5e9;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* QR Code Modal */
.qr-instructions {
    text-align: center;
    margin-bottom: 20px;
}

.qr-instructions i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.qr-instructions ol {
    text-align: left;
    max-width: 300px;
    margin: 0 auto;
}

#qr-code-display {
    text-align: center;
    padding: 20px;
    border: 2px dashed #e1e5e9;
    border-radius: var(--border-radius);
    background: #f8f9fa;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
}

.toast {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 15px 20px;
    margin-bottom: 10px;
    border-left: 4px solid;
    animation: slideInRight 0.3s ease;
    max-width: 400px;
}

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

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

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

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

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-icon {
    font-size: 18px;
}

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

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

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

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

.toast-message {
    flex: 1;
}

.toast-close {
    cursor: pointer;
    color: #666;
    font-size: 16px;
}

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

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

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .sessions-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .session-actions {
        flex-direction: column;
    }
    
    .session-actions .btn {
        min-width: auto;
    }
    
    .api-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 100px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.visible { display: block !important; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.p-20 { padding: 20px; }