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

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #ea580c;
    --dark: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --border: #e5e7eb;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f9fafb;
    color: var(--dark);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    padding: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.navbar-menu a {
    display: block;
    padding: 1rem 1.25rem;
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
}

.navbar-menu a:hover {
    color: var(--primary);
    background: var(--light-gray);
}

.navbar-menu a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-info {
    text-align: right;
    font-size: 0.875rem;
}

.user-name {
    font-weight: 600;
    color: var(--dark);
}

.user-role {
    color: var(--gray);
    font-size: 0.75rem;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Page */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary { background: #dbeafe; color: var(--primary); }
.stat-icon.success { background: #dcfce7; color: var(--success); }
.stat-icon.warning { background: #fed7aa; color: var(--warning); }
.stat-icon.danger { background: #fee2e2; color: var(--danger); }

.stat-content h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--gray);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--dark);
}

/* Card */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--dark);
}

textarea,
input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

textarea:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
}

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.connected {
    background: #dcfce7;
    color: #166534;
}

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

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Table */
.table-container {
    overflow-x: auto;
}

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

thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--light-gray);
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--gray);
    font-weight: 600;
    letter-spacing: 0.05em;
}

tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

tbody tr:hover {
    background: var(--light-gray);
}

/* Client List */
.client-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.client-info {
    flex: 1;
}

.client-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

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

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

.client-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.8125rem;
    color: var(--gray);
}

.client-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--gray);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--light-gray);
    color: var(--dark);
}

.btn-icon.danger {
    border-color: var(--danger);
    color: var(--danger);
}

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

.btn-icon.primary {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* Messages */
.message-list {
    max-height: 500px;
    overflow-y: auto;
}

.message-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

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

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

.message-author {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark);
}

.message-time {
    font-size: 0.75rem;
    color: var(--gray);
}

.message-content {
    font-size: 0.875rem;
    color: var(--dark);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-dialog {
    background: var(--white);
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 1rem;
    }
    
    .navbar-menu {
        display: none;
    }
    
    .container {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .client-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .client-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
}

.toast {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideInRight 0.3s ease-out;
    position: relative;
}

.toast.hiding {
    animation: slideOutRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 12px;
}

.toast-icon.info {
    background: #dbeafe;
    color: var(--primary);
}

.toast-icon.success {
    background: #dcfce7;
    color: var(--success);
}

.toast-icon.warning {
    background: #fed7aa;
    color: var(--warning);
}

.toast-icon.error {
    background: #fee2e2;
    color: var(--danger);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark);
    margin-bottom: 4px;
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--gray);
    word-break: break-word;
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    flex-shrink: 0;
}

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

@media (max-width: 768px) {
    .toast-container {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0;
}

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

.user-info {
    font-size: 0.875rem;
    color: var(--text-light);
}

.stats {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-item strong {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-item span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.status-badge.connected::before {
    background: var(--success);
}

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

.status-badge.disconnected::before {
    background: var(--danger);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.dashboard-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--card-color), var(--card-color-light));
}

.dashboard-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-card h3 i {
    color: var(--card-color);
}

.card-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.card-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.card-primary {
    --card-color: var(--primary);
    --card-color-light: #818cf8;
}

.card-success {
    --card-color: var(--success);
    --card-color-light: #34d399;
}

.card-warning {
    --card-color: var(--warning);
    --card-color-light: #fbbf24;
}

.card-danger {
    --card-color: var(--danger);
    --card-color-light: #f87171;
}

/* Content Wrapper */
.content-wrapper {
    display: grid;
    gap: 2rem;
}

/* Sections */
.content-section,
.messages-section,
.clients-section {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.content-section h2,
.messages-section h2,
.clients-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    margin-bottom: 0;
}

/* Broadcast Form */
.broadcast-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.broadcast-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
}

.broadcast-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Admin Actions */
.admin-actions {
    padding: 1.5rem;
    background: #fef2f2;
    border-radius: 8px;
    border-left: 4px solid var(--danger);
}

.admin-actions h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

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

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-success:hover {
    background: #059669;
}

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

/* Messages Feed */
.messages-feed {
    max-height: 500px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.messages-feed::-webkit-scrollbar {
    width: 8px;
}

.messages-feed::-webkit-scrollbar-track {
    background: var(--light);
    border-radius: 4px;
}

.messages-feed::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.messages-feed::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

.message-item {
    padding: 1rem;
    background: var(--light);
    border-radius: 8px;
    border-left: 4px solid var(--info);
    transition: all 0.2s;
}

.message-item:hover {
    background: #e5e7eb;
    transform: translateX(2px);
}

.message-item.system {
    border-left-color: var(--warning);
    background: #fef3c7;
}

.message-item.system:hover {
    background: #fde68a;
}

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

.message-client {
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.message-time {
    font-size: 0.875rem;
    color: var(--text-light);
}

.message-content {
    color: var(--text);
    word-wrap: break-word;
}

.message-meta {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-light);
    display: flex;
    gap: 1rem;
}

/* Clients List */
.clients-list {
    display: grid;
    gap: 1rem;
}

.client-item {
    padding: 1.25rem;
    background: var(--light);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.client-item:hover {
    background: #e5e7eb;
    border-color: var(--primary);
}

.client-info {
    flex: 1;
}

.client-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.client-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

.client-name {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--dark);
}

.client-details {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.client-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

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

.btn-icon.edit:hover {
    background: #2563eb;
}

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

.btn-icon.message:hover {
    background: #059669;
}

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

.btn-icon.disconnect:hover {
    background: #dc2626;
}

/* Empty State */
.empty-state {
    padding: 3rem;
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.modal-content textarea,
.modal-content input[type="text"] {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    margin-bottom: 1.5rem;
    transition: border-color 0.2s;
}

.modal-content textarea:focus,
.modal-content input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .stats {
        flex-direction: row;
        gap: 1rem;
        width: 100%;
        justify-content: space-between;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .client-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .client-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
}

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

.message-item,
.client-item {
    animation: slideIn 0.3s ease-out;
}

/* Loading State */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

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