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

:root {
    --primary: #25D366;
    --primary-dark: #128C7E;
    --secondary: #075E54;
    --danger: #dc3545;
    --warning: #ffc107;
    --success: #28a745;
    --bg: #f0f2f5;
    --card: #ffffff;
    --text: #1f1f1f;
    --text-light: #667781;
    --border: #e9edef;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background: var(--primary);
    color: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    z-index: 100;
}

header button {
    position: relative;
    z-index: 101;
    pointer-events: auto !important;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

header p {
    opacity: 0.9;
}

/* Controle de versões mobile/desktop do nome */
.app-name-mobile {
    display: none;
}

.app-name-desktop {
    display: inline;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    overflow-x: auto;
}

.tab-btn {
    padding: 12px 24px;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    white-space: nowrap;
}

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

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

/* Tab Content */
.tab-content {
    display: none;
    background: var(--card);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.section-header h2 {
    color: var(--secondary);
}

/* Form */
.form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--text-light);
    font-size: 0.875rem;
}

.checkbox-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: normal;
}

/* Buttons */
button {
    font-family: inherit;
}

.btn-primary {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s;
}

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

.btn-refresh {
    padding: 8px 16px;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

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

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

/* Queue Info - Próxima na fila */
#queue-info {
    margin-bottom: 20px;
}

/* Messages List */
.messages-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.groups-list,
.history-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Responsivo: 1 coluna em telas pequenas */
@media (max-width: 1024px) {
    .messages-list {
        grid-template-columns: 1fr;
    }
}

.message-card,
.group-card,
.history-card {
    padding: 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s;
}

.message-card {
    padding: 15px;
}

.message-card:hover,
.group-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.1);
}

/* Paused message styling */
.message-card[data-status="paused"] {
    background: #f8f8f8;
    opacity: 0.75;
    border-color: #ccc;
}

.message-card[data-status="paused"]:hover {
    opacity: 1;
    border-color: var(--warning);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.message-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--secondary);
    line-height: 1.3;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-active { background: #d4edda; color: #155724; }
.status-paused { background: #fff3cd; color: #856404; }
.status-completed { background: #d1ecf1; color: #0c5460; }
.status-error { background: #f8d7da; color: #721c24; }

/* Badge classes for groups management messages */
.badge-success {
    background: rgba(76, 175, 80, 0.2);
    color: #2e7d32;
}

.badge-gray {
    background: rgba(158, 158, 158, 0.2);
    color: #424242;
}

.message-content {
    color: var(--text-light);
    margin-bottom: 8px;
    overflow: hidden;
    max-width: 100%;
    font-size: 0.9rem;
    line-height: 1.4;
    max-height: 4.2em; /* 3 linhas aproximadamente */
}

/* Formatação markdown do WhatsApp */
.message-content strong {
    font-weight: 700;
    color: var(--text);
}

.message-content em {
    font-style: italic;
    color: var(--text);
}

.message-content del {
    text-decoration: line-through;
    opacity: 0.7;
}

.message-content code {
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 4px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
}

.message-info {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.message-actions button {
    padding: 6px 12px;
    font-size: 0.8rem;
    flex: 1 1 calc(50% - 4px);
    min-width: 80px;
}

/* Media Grid */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.stats-box {
    padding: 20px;
    background: var(--bg);
    border-radius: 8px;
    margin-bottom: 20px;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.media-card {
    border: 2px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.media-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.1);
}

.media-preview {
    width: 100%;
    height: 150px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.media-info {
    padding: 15px;
}

.media-filename {
    font-weight: 600;
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.media-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.media-actions {
    display: flex;
    gap: 8px;
}

.media-actions button {
    padding: 6px 12px;
    font-size: 0.85rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 16px 24px;
    background: var(--secondary);
    color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); color: var(--text); }

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s;
    pointer-events: none;
}

/* Modal visível */
.modal[style*="display: flex"],
.modal[style*="display:flex"],
.modal[style*="display: block"],
.modal[style*="display:block"] {
    display: flex !important;
    pointer-events: auto !important;
}

.modal-content {
    background: var(--card);
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 2px solid var(--border);
}

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

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    transition: color 0.2s;
}

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

.modal-body {
    padding: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header {
        padding: 20px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .tab-content {
        padding: 20px;
    }

    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .message-actions,
    .media-actions {
        flex-direction: column;
    }

    .message-actions button,
    .media-actions button {
        width: 100%;
    }
}

/* ============================================
   DASHBOARD STYLES
   ============================================ */

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

.stat-card {
    background: var(--card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: 12px;
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
}

/* System Status */
.system-status {
    background: var(--card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.system-status h3 {
    margin-bottom: 16px;
    color: var(--text);
}

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

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg);
    border-radius: 8px;
}

.status-label {
    font-weight: 600;
    color: var(--text);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

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

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

.status-value {
    font-weight: 600;
    color: var(--primary-dark);
}

/* Dashboard Sections */
.dashboard-section {
    background: var(--card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.dashboard-section h3 {
    margin-bottom: 16px;
    color: var(--text);
}

/* Upcoming Messages List */
.upcoming-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.upcoming-item {
    padding: 16px;
    background: var(--bg);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.upcoming-item:hover {
    background: #e8f5e9;
}

.upcoming-info {
    flex: 1;
}

.upcoming-title {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

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

.upcoming-time {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-dark);
    text-align: right;
}

.upcoming-countdown {
    font-size: 0.75rem;
    color: var(--warning);
}

/* Botão Skip nas Próximas Mensagens */
.btn-skip {
    padding: 8px 16px;
    background: #ff9800;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
    margin-left: 12px;
}

.btn-skip:hover {
    background: #f57c00;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 152, 0, 0.3);
}

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

/* Skip Warning (histórico de skips) */
.skip-warning {
    padding: 12px;
    background: #fff3e0;
    border-left: 4px solid #ff9800;
    border-radius: 4px;
    color: #e65100;
    font-size: 0.875rem;
    margin-top: 12px;
}

/* Recent Sends List */
.recent-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recent-item {
    padding: 16px;
    background: var(--bg);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.recent-item.success {
    border-left: 4px solid var(--success);
}

.recent-item.failed {
    border-left: 4px solid var(--danger);
}

.recent-info {
    flex: 1;
}

.recent-group {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

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

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

.recent-status {
    font-size: 1.5rem;
}

/* Responsive Dashboard */
@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   SETTINGS PAGE IMPROVEMENTS
   ============================================ */

.settings-section {
    background: white;
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.settings-section:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    border-color: var(--primary);
}

.settings-section h3 {
    color: var(--secondary);
    font-size: 1.3rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-section > p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* Strategy Selection */
.strategy-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    padding: 18px;
    border: 2px solid var(--border);
    border-radius: 10px;
    margin-bottom: 12px;
    transition: all 0.2s;
    background: var(--bg);
}

.strategy-option:hover {
    border-color: var(--primary);
    background: white;
    transform: translateX(4px);
}

.strategy-option input[type="radio"] {
    margin-top: 4px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.strategy-option input[type="radio"]:checked + .strategy-content {
    color: var(--primary-dark);
}

.strategy-option:has(input:checked) {
    border-color: var(--primary);
    background: #e8f5e9;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.2);
}

.strategy-content {
    flex: 1;
}

.strategy-content strong {
    font-size: 1.05rem;
    display: block;
    margin-bottom: 6px;
}

.strategy-content p {
    margin: 0;
    font-size: 0.9em;
    color: var(--text-light);
    line-height: 1.5;
}

/* Token Cards */
.token-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
    padding: 24px;
    border-radius: 12px;
    border: 2px solid var(--border);
    margin-bottom: 24px;
}

.token-card.token-primary {
    border-left: 4px solid var(--primary);
}

.token-card.token-secondary {
    border-left: 4px solid #2196f3;
}

.token-card.token-tertiary {
    border-left: 4px solid #ff9800;
}

.token-card h3 {
    margin-bottom: 16px;
    color: var(--secondary);
}

/* Form Improvements */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.settings-section .form-group label {
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.settings-section .form-group input[type="text"],
.settings-section .form-group input[type="password"],
.settings-section .form-group input[type="url"],
.settings-section .form-group input[type="tel"],
.settings-section .form-group select {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
}

.settings-section .form-group input:focus,
.settings-section .form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.settings-section .form-group small {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 6px;
    display: block;
}

/* Checkbox Styling */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    transition: all 0.2s;
}

.checkbox-label:hover {
    border-color: var(--primary);
    background: white;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-label:has(input:checked) {
    border-color: var(--primary);
    background: #e8f5e9;
}

/* Inline checkbox for form fields (lighter styling) */
.form-group label.checkbox-label {
    padding: 8px 0;
    border: none;
    background: transparent;
}

.form-group label.checkbox-label:hover {
    background: transparent;
}

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

.form-group label.checkbox-label span {
    font-weight: 600;
    color: var(--secondary);
}

/* Button Group */
.button-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.button-group button {
    flex: 1;
    min-width: 150px;
}

/* Status Info Box */
.status-info-box {
    padding: 16px;
    border-radius: 8px;
    margin-top: 16px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
}

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

.status-info-box.info {
    background: #e8f5e9;
    border-color: var(--success);
    color: #2e7d32;
}

.status-info-box.warning {
    background: #fff3cd;
    border-color: var(--warning);
    color: #856404;
}

/* Notification Options */
.notification-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.notification-option {
    padding: 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-option:hover {
    border-color: var(--primary);
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.notification-option input[type="radio"] {
    width: 20px;
    height: 20px;
}

.notification-option:has(input:checked) {
    border-color: var(--primary);
    background: #e8f5e9;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.2);
}

.notification-option-content {
    flex: 1;
}

.notification-option-content strong {
    display: block;
    margin-bottom: 4px;
    color: var(--secondary);
}

.notification-option-content small {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Load Button */
.load-all-btn {
    padding: 16px 32px;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.load-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

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

/* Divider */
.settings-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 32px 0;
}

/* Backup Section */
.backup-section {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.backup-section h3 {
    margin-top: 0;
    color: var(--secondary);
}

.backup-section p {
    color: #666;
    margin-bottom: 20px;
}

.backup-item {
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.backup-item:hover {
    border-color: var(--primary);
    background: #f8f9fa;
}

.backup-item.selected {
    border-color: var(--primary);
    background: #e8f5e9;
}

.backup-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.backup-item-name {
    font-weight: 600;
    color: var(--secondary);
}

.backup-item-info {
    font-size: 0.9em;
    color: #666;
}

.backup-item-actions {
    display: flex;
    gap: 8px;
}

.btn-download-backup,
.btn-delete-backup {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-download-backup {
    background: #3498db;
    color: white;
}

.btn-download-backup:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

.btn-delete-backup {
    background: #e74c3c;
    color: white;
}

.btn-delete-backup:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(231, 76, 60, 0.3);
}

/* Estatísticas de Backup */
.backup-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.backup-stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.backup-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.backup-stat-card:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .notification-options {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    .button-group button {
        width: 100%;
    }
}

/* ============================================
   MELHORIAS MOBILE - Fase 3.5
   ============================================ */

/* Mobile Médio (< 600px) - Modais full-screen */
@media (max-width: 600px) {
    .modal-content {
        width: 100%;
        max-width: 100%;
        min-height: 100vh;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }

    .modal-body {
        padding: 15px;
    }

    .modal-header {
        padding: 15px;
        position: sticky;
        top: 0;
        background: var(--card);
        z-index: 10;
    }
}

/* Mobile Pequeno (< 480px) - Otimizações adicionais */
@media (max-width: 480px) {
    /* Header compacto com nome mobile */
    header {
        padding: 15px 10px;
    }

    header h1 {
        font-size: 1.4rem;
        margin-bottom: 0;
    }

    /* Trocar nome no mobile */
    .app-name-desktop {
        display: none;
    }

    .app-name-mobile {
        display: inline;
    }

    /* Esconder subtítulo no mobile */
    .app-subtitle {
        display: none;
    }

    /* Layout do header mais compacto */
    header > div {
        flex-direction: column;
        gap: 10px;
        align-items: stretch !important;
    }

    header > div > div:first-child {
        text-align: center;
    }

    header > div > div:last-child {
        flex-direction: column;
        gap: 8px;
    }

    header button {
        width: 100%;
    }

    /* Container mais estreito */
    .container {
        padding: 8px;
    }

    /* Tabs com mais espaçamento para mobile */
    .tabs {
        gap: 10px;
        margin-bottom: 15px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
        padding: 5px 0;
    }

    .tabs::-webkit-scrollbar {
        display: none; /* Chrome, Safari */
    }

    .tab-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
        min-width: 110px;
        flex-shrink: 0;
    }

    /* Tab content menos padding */
    .tab-content {
        padding: 15px;
    }

    /* Touch Targets - Mínimo 44px conforme Apple HIG */
    button,
    .btn-primary,
    .btn-refresh,
    .tab-btn,
    .close-btn {
        min-height: 44px;
        min-width: 44px;
    }

    /* Botões de ação em full width */
    .message-actions,
    .media-actions,
    .button-group {
        flex-direction: column;
        gap: 8px;
    }

    .message-actions button,
    .media-actions button,
    .button-group button {
        width: 100%;
        padding: 12px;
    }

    /* Close button maior área de toque */
    .close-btn {
        width: 44px;
        height: 44px;
        font-size: 1.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Forms - Inputs maiores (16px evita zoom no iOS) */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px;
        padding: 14px;
        border-radius: 6px;
    }

    .form-group label {
        font-size: 0.95rem;
        font-weight: 600;
    }

    /* Cards com menos padding */
    .message-card,
    .group-card,
    .history-card,
    .stat-card {
        padding: 12px;
    }

    .message-title {
        font-size: 1rem;
    }

    /* Dashboard stats em coluna única */
    .dashboard-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-icon {
        font-size: 2rem;
        width: 50px;
        height: 50px;
    }

    /* Media grid menor */
    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }

    /* Reduzir espaçamentos gerais */
    .messages-list,
    .groups-grid {
        gap: 12px;
    }

    /* Settings sections */
    .settings-section {
        padding: 16px;
        margin-bottom: 16px;
    }

    .settings-section h3 {
        font-size: 1.1rem;
    }

    /* Form rows em coluna */
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Notification options em coluna */
    .notification-options {
        grid-template-columns: 1fr;
    }

    /* Checkbox labels maiores para toque */
    .checkbox-group label,
    .checkbox-label {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 8px 0;
    }
}

/* Mobile Muito Pequeno (< 360px) - Última otimização */
@media (max-width: 360px) {
    header h1 {
        font-size: 1.1rem;
    }

    .tabs {
        gap: 8px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
        min-width: 95px;
    }

    .container {
        padding: 5px;
    }

    .tab-content {
        padding: 10px;
    }

    .message-card,
    .group-card,
    .stat-card {
        padding: 10px;
    }

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

/* ============================================
   GROUPS MANAGEMENT - CLEAN MODERN DESIGN
   Design inspirado em: Linear, Notion, Stripe
   Princípios: Minimalismo, Whitespace, 1 Cor Principal
   ============================================ */

/* ====== DESIGN SYSTEM ====== */
:root {
    --primary: #7c3aed;
    --primary-hover: #6d28d9;
    --primary-light: #f5f3ff;
    --surface: #ffffff;
    --background: #fafaf9;
    --border: #e7e5e4;
    --border-hover: #d6d3d1;
    --text-primary: #0c0a09;
    --text-secondary: #57534e;
    --text-muted: #a8a29e;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ====== MAIN CONTAINER ====== */
.groups-two-panel-layout {
    display: flex;
    gap: 24px;
    height: calc(100vh - 200px);
    min-height: 600px;
}

/* ====== SIDEBAR (Collapsible) ====== */
.groups-sidebar {
    width: 280px;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    background: #fafaf9;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease-in-out;
}

.groups-sidebar.collapsed {
    width: 60px;
    min-width: 60px;
    padding: 16px 8px;
}

.sidebar-header {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-toggle-btn {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    color: var(--text-primary);
    transition: var(--transition);
    flex-shrink: 0;
}

.sidebar-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.sidebar-header-content {
    flex: 1;
    min-width: 0;
    transition: opacity 0.2s;
}

.groups-sidebar.collapsed .sidebar-header-content {
    opacity: 0;
    pointer-events: none;
    position: absolute;
}

.sidebar-header h3 {
    margin: 0 0 12px 0;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sidebar-header .count {
    color: var(--text-muted);
    font-weight: 400;
}

.sidebar-header .btn-sync {
    width: 100%;
    padding: 10px 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
    box-shadow: 0 1px 2px 0 rgba(124, 58, 237, 0.05);
}

.sidebar-header .btn-sync:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.sidebar-header .btn-sync:active {
    transform: translateY(0);
}

.groups-sidebar.collapsed .sidebar-header .btn-sync {
    display: none;
}

.sidebar-search {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 12px;
    transition: var(--transition);
    background: var(--background);
}

.sidebar-search:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.sidebar-search::placeholder {
    color: var(--text-muted);
}

.groups-sidebar.collapsed .sidebar-search {
    opacity: 0;
    pointer-events: none;
    position: absolute;
}

.sidebar-groups-list {
    flex: 1;
    overflow-y: auto;
    padding-right: 4px;
}

/* Custom scrollbar */
.sidebar-groups-list::-webkit-scrollbar {
    width: 4px;
}

.sidebar-groups-list::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-groups-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.sidebar-groups-list::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* ====== SIDEBAR GROUP ITEMS ====== */
.sidebar-group-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    height: 40px;
}

.sidebar-group-item:hover {
    background: white;
    border-color: var(--primary);
    transform: translateX(3px);
    box-shadow: var(--shadow-md);
}

.sidebar-group-item.selected {
    background: #f0f9ff;
    border-left: 3px solid var(--primary);
    border-color: var(--primary);
    padding-left: 9px;
}

/* Collapsed state */
.groups-sidebar.collapsed .sidebar-group-item {
    width: 44px;
    height: 36px;
    padding: 6px;
    justify-content: center;
    gap: 0;
}

.groups-sidebar.collapsed .favorite-star {
    display: none;
}

.groups-sidebar.collapsed .sidebar-group-item.selected {
    background: var(--primary);
    border-left-width: 1px;
    padding-left: 8px;
}

.sidebar-group-item .group-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    opacity: 0.6;
    transition: var(--transition);
}

.sidebar-group-item.selected .group-icon {
    opacity: 1;
}

.groups-sidebar.collapsed .sidebar-group-item .group-icon {
    font-size: 1.25rem;
}

.groups-sidebar.collapsed .sidebar-group-item.selected .group-icon {
    opacity: 1;
    filter: brightness(0) invert(1);
}

.sidebar-group-item .group-info {
    flex: 1;
    min-width: 0;
    transition: opacity 0.2s;
}

.groups-sidebar.collapsed .sidebar-group-item .group-info {
    opacity: 0;
    pointer-events: none;
    position: absolute;
}

.sidebar-group-item .group-name {
    font-weight: 500;
    font-size: 13px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.sidebar-group-item.selected .group-name {
    color: var(--text-primary);
    font-weight: 700;
}

/* Favorite star */
.favorite-star {
    font-size: 16px;
    color: #ccc;
    cursor: pointer;
    transition: color 0.2s;
    user-select: none;
}

.favorite-star:hover {
    color: #ffb700;
}

.favorite-star.active {
    color: #ffd700;
}

/* Section headers */
.section-header {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #999;
    padding: 8px 4px;
    margin: 8px 0 4px 0;
}

.section-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 0 8px 0;
}

.sidebar-group-item .group-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.groups-sidebar.collapsed .sidebar-group-item .group-badges {
    display: none;
}

.sidebar-group-item .badge {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 6px;
    white-space: nowrap;
    font-weight: 600;
}

.badge-green {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.sidebar-group-item.selected .badge-green {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.badge-orange {
    background: #fed7aa;
    color: #92400e;
    border: 1px solid #fbbf24;
}

.sidebar-group-item.selected .badge-orange {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.badge-blue {
    background: #ddd6fe;
    color: #5b21b6;
    border: 1px solid #c4b5fd;
}

.sidebar-group-item.selected .badge-blue {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

/* ====== MAIN PANEL ====== */
.groups-main-panel {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    overflow-y: auto;
}

.groups-main-panel::-webkit-scrollbar {
    width: 6px;
}

.groups-main-panel::-webkit-scrollbar-track {
    background: transparent;
}

.groups-main-panel::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

/* ====== EMPTY STATE ====== */
.empty-selection {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
}

.empty-selection .empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.2;
}

.empty-selection h2 {
    margin: 0 0 8px 0;
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.empty-selection p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ====== GROUP HEADER (Simplified) ====== */
.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.group-header-left {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.group-icon-large {
    display: none; /* Removed in clean design */
}

.group-title-section {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.group-name {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.group-id {
    font-size: 13px;
    color: #8696a0;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Courier New', monospace;
    font-weight: 400;
}

.group-header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* ====== BUTTONS ====== */
.btn-action {
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    background: var(--surface);
    color: var(--text-primary);
}

.btn-action:hover {
    background: var(--background);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

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

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

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

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

.btn-action.btn-green:hover {
    background: #059669;
    border-color: #059669;
}

.btn-action.btn-gray,
.btn-action.btn-blue {
    background: var(--surface);
    border-color: var(--border);
}

.btn-action.btn-icon {
    padding: 10px 12px;
}

/* ====== STATS LINE (Compact) ====== */
.group-stats-line {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 0;
    margin-bottom: 16px;
    font-size: 13px;
    color: #667781;
    flex-wrap: wrap;
}

.group-stats-line .stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.group-stats-line .stat-icon {
    font-size: 14px;
    opacity: 0.8;
}

.group-stats-line .stat-separator {
    color: var(--border);
    user-select: none;
}

.group-stats-line .stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Legacy support - hide old grid if still in HTML */
.group-stats-grid {
    display: none;
}

.group-stat-card {
    display: none;
}

/* ====== MESSAGES SECTION ====== */
.group-messages-section {
    margin-top: 32px;
}

.group-messages-header {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.group-messages-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.group-messages-header .count {
    color: var(--text-muted);
    font-weight: 400;
}

.filter-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pill {
    padding: 6px 16px;
    height: 32px;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.pill:hover {
    border-color: var(--primary);
    background: rgba(37, 211, 102, 0.05);
    color: var(--primary);
}

.pill.active {
    background: #e8f5e9;
    color: var(--primary);
    border-color: var(--primary);
    font-weight: 600;
}

.messages-search {
    width: 100%;
    max-width: 400px;
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: var(--transition);
    background: var(--background);
}

.messages-search:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.messages-search::placeholder {
    color: var(--text-muted);
}

/* ====== MESSAGES TABLE ====== */
.group-messages-table-container {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: white;
}

.group-messages-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.group-messages-table thead {
    background: #f8f9fa;
    border-bottom: 2px solid var(--border);
}

.group-messages-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Reduce font size for "Próximo Envio" header */
.group-messages-table th.col-next-send-header {
    font-size: 11px;
    letter-spacing: 0.02em;
}

.group-messages-table tbody tr {
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s;
    height: 48px;
}

.group-messages-table tbody tr:hover {
    background: #f8f9fa;
}

.group-messages-table td {
    padding: 12px;
    vertical-align: middle;
}

/* Column specific styles */
.col-title {
    font-weight: 500;
    color: var(--text-primary);
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.col-status {
    width: 100px;
}

.col-next-send {
    width: 150px;
    color: var(--text-secondary);
}

.col-recurrence {
    width: 120px;
    color: var(--text-secondary);
}

.col-sent-count {
    width: 80px;
    text-align: center;
    color: var(--text-secondary);
}

.col-actions {
    width: 220px;
    text-align: right;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(37, 211, 102, 0.1);
    color: var(--primary);
}

.status-badge.paused {
    background: rgba(0, 0, 0, 0.05);
    color: #8696a0;
}

/* Table buttons */
.btn-table {
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    margin-left: 4px;
    transition: all 0.2s;
}

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

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

.btn-table.btn-edit:hover {
    background: rgba(37, 211, 102, 0.05);
}

.btn-table.btn-pause {
    color: #ff9800;
    border-color: #ff9800;
}

.btn-table.btn-pause:hover {
    background: rgba(255, 152, 0, 0.05);
}

.btn-table.btn-delete {
    color: #f44336;
    border-color: #f44336;
}

.btn-table.btn-delete:hover {
    background: rgba(244, 67, 54, 0.05);
}

/* Actions buttons layout */
.actions-buttons {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.buttons-row {
    display: flex;
    gap: 4px;
}

.buttons-row-delete {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* Adjust table row height for two-row buttons */
.group-messages-table tbody tr {
    height: 64px; /* Increased from 48px to accommodate two rows */
}

/* Empty state in table */
.empty-state {
    text-align: center;
    padding: 48px;
}

.group-messages-list .message-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    min-height: 80px;
    transition: var(--transition);
    position: relative;
}

.group-messages-list .message-card:hover {
    border-color: var(--border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.group-messages-list .message-card[data-status="active"] {
    background: var(--surface);
}

.group-messages-list .message-card[data-status="paused"] {
    opacity: 0.6;
}

/* Recurrence badge (D/S/M) on top-left corner */
.message-recurrence-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* Icon indicator (no large thumbnail) */
.message-media-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 6px;
    background: var(--background);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-muted);
}

/* Legacy - hide old thumbnail */
.message-thumbnail {
    display: none;
}

.no-media-icon {
    display: none;
}

.recurrence-badge {
    display: none;
}

.group-messages-list .message-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.message-title {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}

.message-status-badge.active {
    background: rgba(37, 211, 102, 0.1);
    color: var(--primary);
}

.message-status-badge.paused {
    background: rgba(0, 0, 0, 0.05);
    color: #8696a0;
}

.message-time {
    font-size: 13px;
    color: #8696a0;
    margin-left: 8px;
}

.message-preview {
    color: #667781;
    font-size: 13px;
    line-height: 1.4;
    margin: 0 0 4px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.message-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #8696a0;
}

.message-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Legacy */
.message-title-row {
    display: none;
}

.group-messages-list .message-info {
    display: none;
}

.info-row {
    display: none;
}

.info-item {
    display: none;
}

.group-messages-list .message-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.group-messages-list .message-actions .btn-action {
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.group-messages-list .message-actions .btn-action:hover {
    background: var(--background);
    border-color: var(--primary);
    color: var(--primary);
}

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

.btn-action.btn-orange:hover {
    background: #d97706;
    border-color: #d97706;
}

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

.btn-action.btn-red:hover {
    background: #dc2626;
    border-color: #dc2626;
}

/* ====== EMPTY STATE IN MESSAGES ====== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.2;
}

.empty-state h3 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.empty-state p {
    margin: 0 0 16px 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ====== RESPONSIVE DESIGN ====== */
/* Tablet */
@media (max-width: 1024px) {
    .groups-sidebar {
        width: 240px;
        min-width: 240px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .groups-two-panel-layout {
        height: auto;
        gap: 16px;
    }

    /* Sidebar always collapsed on mobile, overlay style */
    .groups-sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        height: 100vh;
        width: 280px;
        min-width: 280px;
        z-index: 1000;
        background: white;
        box-shadow: 4px 0 12px rgba(0, 0, 0, 0.15);
        transition: left 0.3s ease-in-out;
    }

    .groups-sidebar.mobile-open {
        left: 0;
    }

    .groups-sidebar.collapsed {
        left: -280px;
    }

    .groups-main-panel {
        width: 100%;
    }

    /* Stats line wraps on mobile */
    .group-stats-line {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .group-stats-line .stat-separator {
        display: none;
    }

    /* Header stacks on mobile */
    .group-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .group-header-left {
        width: 100%;
    }

    .group-header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .group-header-actions .btn-action {
        flex: 1;
    }

    /* Message cards more compact on mobile */
    .group-messages-list .message-card {
        padding: 8px;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
    }

    .message-media-icon {
        grid-row: 1 / 3;
    }

    .group-messages-list .message-actions {
        grid-column: 2;
        justify-content: flex-end;
    }

    /* Filters scroll horizontal */
    .filter-pills {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .pill {
        flex-shrink: 0;
    }
}

/* Remove animation exagerada */
@keyframes slideInStagger {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.group-stat-card {
    animation: slideInStagger 0.2s ease forwards;
}

.group-stat-card:nth-child(1) { animation-delay: 0.05s; }
.group-stat-card:nth-child(2) { animation-delay: 0.1s; }
.group-stat-card:nth-child(3) { animation-delay: 0.15s; }
.group-stat-card:nth-child(4) { animation-delay: 0.2s; }

/* Animação para indicador de conexão online */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}
/* ============================================
   BACKUP SYSTEM STYLES
   ============================================ */

/* Backup Cards */
.backup-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-left: 5px solid;
    transition: transform 0.2s, box-shadow 0.2s;
}

.backup-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.backup-card-messages {
    border-left-color: #3498db;
}

.backup-card-full {
    border-left-color: #9b59b6;
}

.backup-card-restore {
    border-left-color: #27ae60;
}

/* Card Header */
.backup-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.backup-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.backup-card-icon {
    font-size: 2rem;
}

.backup-card-title h3 {
    margin: 0;
    font-size: 1.4rem;
    color: var(--secondary);
}

.backup-card-subtitle {
    color: var(--text-light);
    margin: 0 0 20px 0;
    font-size: 0.9rem;
}

/* Status Badge */
.backup-status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.backup-status-badge.active {
    background: #d4edda;
    color: #155724;
}

.backup-status-badge.active::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #28a745;
    animation: pulse 2s ease-in-out infinite;
}

.backup-status-badge.inactive {
    background: #f8d7da;
    color: #721c24;
}

/* Mini Stats Grid */
.backup-stats-mini {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 12px;
    margin-bottom: 25px;
}

.stat-mini-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eef3 100%);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.2s;
}

.stat-mini-card:hover {
    transform: scale(1.05);
}

.stat-mini-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.stat-mini-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--secondary);
    margin-bottom: 4px;
}

.stat-mini-label {
    font-size: 0.7rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Schedule Section */
.backup-schedule-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.backup-schedule-section h4 {
    margin: 0 0 15px 0;
    font-size: 1rem;
    color: var(--secondary);
}

.backup-schedule-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: #27ae60;
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Frequency Select */
.backup-frequency-select {
    padding: 8px 12px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.2s;
}

.backup-frequency-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Schedule Status Styles */
.schedule-status {
    margin-top: 12px;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
}

.schedule-status.active {
    background: #e8f8f0;
    color: #27ae60;
    border-left: 3px solid #27ae60;
}

.schedule-status.inactive {
    background: #fef5e7;
    color: #f39c12;
    border-left: 3px solid #f39c12;
}

.schedule-status.loading {
    background: #ebf5fb;
    color: #3498db;
    border-left: 3px solid #3498db;
}

.schedule-status.error {
    background: #fadbd8;
    color: #e74c3c;
    border-left: 3px solid #e74c3c;
}

.schedule-status-line {
    margin: 4px 0;
}

.schedule-status-line:first-child {
    font-weight: 600;
}

/* Retention Controls */
.backup-retention {
    display: flex;
    align-items: center;
    gap: 8px;
}

.backup-retention label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.backup-retention input {
    width: 60px;
    padding: 6px;
    border: 2px solid var(--border);
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
}

.backup-retention span {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Action Section */
.backup-action-section {
    margin-bottom: 20px;
    text-align: center;
}

.btn-backup-now {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: white;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    max-width: 400px;
}

.btn-backup-now:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-backup-messages {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.btn-backup-full {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.backup-warning {
    font-size: 0.85rem;
    color: #e67e22;
    margin: 10px 0;
}

.backup-last-created {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 10px 0 0 0;
}

/* History Section */
.backup-history-section {
    border-top: 1px solid var(--border);
    padding-top: 15px;
}

.backup-history-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.backup-history-toggle:hover {
    color: var(--primary-dark);
}

.backup-history-list {
    margin-top: 15px;
}

.backup-history-item {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.backup-history-info {
    flex: 1;
}

.backup-history-name {
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 4px;
}

.backup-history-meta {
    font-size: 0.8rem;
    color: var(--text-light);
}

.backup-history-actions {
    display: flex;
    gap: 8px;
}

.btn-history-action {
    padding: 6px 12px;
    font-size: 0.85rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-history-download {
    background: #3498db;
    color: white;
}

.btn-history-download:hover {
    background: #2980b9;
}

.btn-history-delete {
    background: #e74c3c;
    color: white;
}

.btn-history-delete:hover {
    background: #c0392b;
}

/* Restore Sections */
.restore-selector-section {
    margin-bottom: 20px;
}

.restore-selector-section label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--secondary);
}

.restore-backup-dropdown {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.restore-backup-dropdown:focus {
    outline: none;
    border-color: var(--primary);
}

.restore-preview-section {
    background: #e3f2fd;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #2196f3;
    margin-bottom: 20px;
}

.restore-preview-section h4 {
    margin: 0 0 10px 0;
    color: #1565c0;
}

.restore-items-section {
    margin-bottom: 20px;
}

.restore-items-section h4 {
    margin: 0 0 15px 0;
    color: var(--secondary);
}

.restore-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.restore-checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.restore-checkbox-item:hover {
    background: #e9ecef;
}

.restore-checkbox-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.restore-mode-section {
    margin-bottom: 20px;
}

.restore-mode-section h4 {
    margin: 0 0 15px 0;
    color: var(--secondary);
}

.restore-radio-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.restore-radio-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.restore-radio-item:hover {
    background: #e9ecef;
}

.restore-radio-item input[type="radio"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.restore-radio-item input[type="radio"]:checked {
    accent-color: var(--primary);
}

.restore-radio-item:has(input:checked) {
    border-color: var(--primary);
    background: #e8f5e9;
}

.restore-radio-item strong {
    display: block;
    margin-bottom: 4px;
}

.restore-radio-item p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-light);
}

.restore-action-section {
    text-align: center;
}

.btn-restore {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: white;
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    max-width: 400px;
}

.btn-restore:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .backup-stats-mini {
        grid-template-columns: repeat(2, 1fr);
    }

    .backup-schedule-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .backup-frequency-select {
        width: 100%;
    }

    .btn-backup-now,
    .btn-restore {
        max-width: 100%;
    }
}