/* ==========================================
   CONNECTHUB PRO - CSS
   ========================================== */

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --sidebar-bg: #1f2937;
    --sidebar-text: #f9fafb;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ==========================================
   LOGIN PAGE
   ========================================== */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==========================================
   APP LAYOUT
   ========================================== */

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

.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: block;
    padding: 12px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: background 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
    background-color: rgba(99, 102, 241, 0.2);
    border-left-color: var(--primary-color);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: var(--text-secondary);
}

.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 20px;
    width: calc(100% - 260px);
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
}

.content-area {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   FORMS
   ========================================== */

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

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

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 13px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
    text-align: center;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: #5558e3;
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #4b5563;
}

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

.btn-success:hover:not(:disabled) {
    background-color: #059669;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* ==========================================
   CARDS
   ========================================== */

.card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* ==========================================
   MESSAGES & ALERTS
   ========================================== */

.message {
    padding: 12px 16px;
    border-radius: 6px;
    margin-top: 16px;
}

.success-message {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.error-message {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--error-color);
}

.loading {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.error-state {
    text-align: center;
    padding: 20px;
    color: var(--error-color);
}

/* ==========================================
   WEBHOOK INFO
   ========================================== */

.webhook-info {
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: 6px;
}

.webhook-info p {
    margin-bottom: 8px;
}

.webhook-info code {
    background-color: #1f2937;
    color: #10b981;
    padding: 8px 12px;
    border-radius: 4px;
    display: block;
    margin: 8px 0;
    font-family: 'Courier New', monospace;
    font-size: 13px;
}

.webhook-info pre {
    background-color: #1f2937;
    color: #f9fafb;
    padding: 16px;
    border-radius: 4px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    margin: 8px 0;
}

/* ==========================================
   MESSAGES LIST
   ========================================== */

.filters {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.messages-container {
    max-height: 600px;
    overflow-y: auto;
}

.messages-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message-item {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 16px;
    border-left: 4px solid var(--border-color);
}

.message-item.message-bot {
    border-left-color: var(--primary-color);
}

.message-item.message-agent {
    border-left-color: var(--success-color);
}

.message-item.message-customer {
    border-left-color: var(--warning-color);
}

.message-header {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.message-sender {
    font-weight: 600;
    color: var(--text-primary);
}

.message-phone {
    color: var(--text-secondary);
    font-size: 14px;
}

.message-time {
    color: var(--text-secondary);
    font-size: 13px;
    margin-left: auto;
}

.message-content {
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.message-footer {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.message-status, .message-type {
    background: var(--bg-secondary);
    padding: 4px 8px;
    border-radius: 4px;
}

/* ==========================================
   LOGS LIST
   ========================================== */

.logs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 500px;
    overflow-y: auto;
}

.log-item {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 16px;
    border-left: 4px solid var(--border-color);
}

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

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

.log-header {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    font-size: 13px;
}

.log-status {
    font-weight: 600;
}

.log-source, .log-event {
    color: var(--text-secondary);
}

.log-time {
    color: var(--text-secondary);
    margin-left: auto;
}

.log-content details {
    margin-top: 8px;
}

.log-content summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--primary-color);
}

.log-content pre {
    background-color: #1f2937;
    color: #f9fafb;
    padding: 12px;
    border-radius: 4px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    margin-top: 8px;
}

.log-content .error {
    color: var(--error-color);
}

/* ==========================================
   CONTACTS TABLE
   ========================================== */

.table-container {
    overflow-x: auto;
}

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

.contacts-table thead {
    background-color: var(--bg-primary);
}

.contacts-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.contacts-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.contacts-table tbody tr:hover {
    background-color: var(--bg-primary);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-new {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-contacted {
    background-color: #fef3c7;
    color: #92400e;
}

.status-qualified {
    background-color: #e0e7ff;
    color: #3730a3;
}

.status-converted {
    background-color: #d1fae5;
    color: #065f46;
}

.status-lost {
    background-color: #fee2e2;
    color: #991b1b;
}

/* ==========================================
   PAGINATION
   ========================================== */

.pagination {
    margin-top: 24px;
}

.pagination-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .filters {
        flex-direction: column;
    }
}