/* 
 * Copper Signals Portal - Modern Light Theme
 */

/* CSS Variables - Light Minimalistic Theme */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #eff6ff;
    --success-color: #10b981;
    --success-light: #ecfdf5;
    --warning-color: #f59e0b;
    --warning-light: #fffbeb;
    --danger-color: #ef4444;
    --danger-light: #fef2f2;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --transition: all 0.2s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Layout - Sidebar + Main Content */
.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.logo-icon {
    color: var(--accent-color);
    font-size: 1.4rem;
}

.logo-text {
    letter-spacing: -0.02em;
}

.logo-img {
    max-width: 100%;
    height: auto;
    width: auto;
}

.logo-img.client-logo {
    max-height: 32px;
}

.nav-menu {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-light);
    color: var(--accent-color);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.user-info {
    margin-bottom: 12px;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

.logout-link {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.logout-link:hover {
    background: var(--danger-light);
    color: var(--danger-color);
}

/* Mobile Header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    align-items: center;
    gap: 12px;
    z-index: 99;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-title {
    font-weight: 600;
    font-size: 1rem;
}

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 90;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
    padding-bottom: 60px; /* Account for fixed footer */
}

.content-wrapper {
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Typography */
h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 24px 0 12px;
}

h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.muted {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: white;
    text-decoration: none;
}

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

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

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
    text-decoration: none;
}

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

.btn-success:hover {
    background: #059669;
    color: white;
    text-decoration: none;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

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

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="search"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-light);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
    background: var(--bg-tertiary);
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

tr:hover {
    background: var(--bg-tertiary);
}

tr:last-child td {
    border-bottom: none;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-card.highlight {
    background: var(--accent-light);
    border-color: var(--accent-color);
}

.stat-card.highlight .stat-value {
    color: var(--accent-color);
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error,
.alert.err {
    background: var(--danger-light);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success,
.alert.ok {
    background: var(--success-light);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-info {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid rgba(3, 105, 161, 0.2);
}

/* Code blocks */
pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-primary);
}

code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9em;
    color: var(--text-primary);
}

/* Page Header */
.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    margin-bottom: 4px;
}

.page-description {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Actions Bar */
.actions-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.actions-bar .form-inline {
    display: flex;
    gap: 12px;
    align-items: center;
}

.actions-bar input {
    max-width: 300px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success {
    background: var(--success-light);
    color: var(--success-color);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning-color);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger-color);
}

.badge-info {
    background: var(--accent-light);
    color: var(--accent-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    margin: 0 0 8px;
    color: var(--text-primary);
}

.empty-state p {
    margin: 0;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg-primary);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

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

.login-header .logo {
    justify-content: center;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* Form actions */
.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

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

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    
    .mobile-header {
        display: flex;
    }
    
    .mobile-overlay.open {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        padding-top: 60px;
    }
    
    .content-wrapper {
        padding: 20px 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 16px;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .actions-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .actions-bar input {
        max-width: none;
    }
    
    .login-card {
        padding: 24px;
    }
    
    .table-container {
        margin: 0 -16px;
    }
    
    th, td {
        padding: 10px 12px;
        white-space: nowrap;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 20px;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}

/* Footer Styles */
.portal-footer {
    position: fixed;
    bottom: 0;
    left: 260px;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 12px 24px;
    z-index: 50;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-left {
    display: flex;
    align-items: center;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-link {
    background: none;
    border: none;
    padding: 4px 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.footer-link:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.footer-separator {
    color: var(--border-color);
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.modal-overlay.open {
    display: flex;
    opacity: 1;
}

.modal-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.6;
}

.modal-body h2 {
    font-size: 1.35rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.modal-body h3 {
    font-size: 1.05rem;
    margin: 20px 0 10px;
    color: var(--text-primary);
}

.modal-body p {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.modal-body ul {
    margin: 12px 0;
    padding-left: 24px;
    color: var(--text-secondary);
}

.modal-body li {
    margin-bottom: 8px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* Body class when modal is open */
body.modal-open {
    overflow: hidden;
}

/* Responsive Footer */
@media (max-width: 768px) {
    .portal-footer {
        left: 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 8px;
    }

    .modal-container {
        max-height: 90vh;
    }
}

/* Utility classes */
.text-center {
    text-align: center;
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Prevent body scroll when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

/* Pagination */
.pagination {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.pagination-list {
    display: flex;
    gap: 6px;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: var(--transition);
}

.pagination-link:hover:not(.disabled):not(.is-current) {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
}

.pagination-link.is-current {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.pagination-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.pagination-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.pagination-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.limit-form {
    display: flex;
    align-items: center;
    gap: 8px;
}

.limit-form label {
    margin: 0;
    font-size: 0.85rem;
}

.limit-form select {
    padding: 6px 10px;
    font-size: 0.85rem;
    min-width: 60px;
    cursor: pointer;
}

.pagination-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
}

/* Toggle Switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: var(--transition);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle input:checked + .toggle-slider {
    background-color: var(--success-color);
}

.toggle input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.toggle input:disabled + .toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.toggle-status {
    margin-left: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

/* Inbox Styles */
.inbox-layout {
    display: flex;
    height: calc(100vh - 124px);
    margin: 0 -32px -32px -32px;
    background: var(--bg-primary);
}

/* Left Panel - Conversation List */
.inbox-sidebar {
    width: 340px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.inbox-sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.inbox-sidebar-header h2 {
    margin: 0 0 12px;
    font-size: 1rem;
}

.inbox-search {
    display: flex;
    gap: 8px;
}

.inbox-search input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.inbox-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.inbox-item {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.inbox-item:hover {
    background: var(--bg-tertiary);
}

.inbox-item.active {
    background: var(--accent-light);
    border-left: 3px solid var(--accent-color);
}

.inbox-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 6px;
}

.inbox-session-id {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-all;
}

.inbox-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: 8px;
}

.inbox-meta {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 4px;
}

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

.inbox-message {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.inbox-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

/* Center Panel - Conversation View */
.inbox-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary);
}

.inbox-main-header {
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.inbox-main-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.inbox-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message-bubble {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    line-height: 1.5;
}

.message-bubble.user {
    align-self: flex-end;
    background: var(--accent-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.message-bubble.assistant {
    align-self: flex-start;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

.message-bubble a {
    color: #2563eb;
    text-decoration: underline;
}

.message-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.message-bubble.user .message-meta {
    color: rgba(255, 255, 255, 0.7);
}

.inbox-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.inbox-placeholder-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 16px;
}

/* Right Panel - User Info */
.inbox-info {
    width: 260px;
    min-width: 220px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.inbox-info h3 {
    font-size: 1rem;
    margin: 0 0 16px;
}

.info-item {
    margin-bottom: 20px;
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.info-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    word-break: break-all;
}

.info-empty {
    color: var(--text-muted);
    font-style: italic;
}

.info-browser {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.browser-icon {
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.info-actions {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.info-action-btn {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 8px;
    text-align: center;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.info-action-primary {
    background: var(--accent-color);
    color: white;
    border: none;
}

.info-action-primary:hover {
    background: var(--accent-hover);
    color: white;
    text-decoration: none;
}

.info-action-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.info-action-secondary:hover {
    background: var(--border-color);
    text-decoration: none;
}

@media (max-width: 1200px) {
    .inbox-sidebar {
        width: 280px;
        min-width: 250px;
    }
    
    .inbox-info {
        width: 220px;
        min-width: 200px;
    }
}

@media (max-width: 900px) {
    .inbox-layout {
        flex-direction: column;
        height: auto;
    }
    
    .inbox-sidebar {
        width: 100%;
        min-width: auto;
        height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .inbox-info {
        width: 100%;
        min-width: auto;
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    
    .inbox-main {
        height: 500px;
    }
}