/* ============================================================
   DESIGN SYSTEM - NEMESIS PREMIUM THEME
   ============================================================ */

:root {
    --bg-primary: #0a0d16;
    --bg-secondary: #111524;
    --bg-card: rgba(20, 26, 46, 0.75);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-focus: #3b82f6;
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --whatsapp-green: #25D366;
    --whatsapp-glow: rgba(37, 211, 102, 0.25);
    --telegram-blue: #0088cc;
    --telegram-glow: rgba(0, 136, 204, 0.25);
    
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-danger: #ef4444;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-speed: 0.3s;
    --sidebar-width: 280px;
}

/* Resets Gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* ============================================================
   LAYOUT DO PAINEL (SIDEBAR & MAIN CONTENT)
   ============================================================ */

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

.sidebar-brand {
    padding: 25px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.brand-icon {
    font-size: 2.2rem;
    color: var(--color-accent);
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
}

.brand-text h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
}

.brand-text span {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.sidebar-menu {
    padding: 20px 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    padding: 12px 18px 4px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: var(--font-heading);
}

.menu-item {
    background: transparent;
    border: none;
    padding: 12px 18px;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: all var(--transition-speed) ease;
}

.menu-item iconify-icon {
    font-size: 1.25rem;
    transition: transform var(--transition-speed) ease;
}

.menu-item:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.03);
}

.menu-item:hover iconify-icon {
    transform: translateX(3px);
}

.menu-item.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.03) 100%);
    border-left: 3px solid var(--color-accent);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.1);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.user-avatar {
    font-size: 2.2rem;
    color: var(--text-secondary);
}

.user-meta {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
}

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

.btn-logout-sidebar {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all var(--transition-speed) ease;
}

.btn-logout-sidebar:hover {
    background: rgba(239, 68, 68, 0.2);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
}

/* Área de Conteúdo Principal */
.main-content {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    min-height: 100vh;
    padding: 40px;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ============================================================
   ESTILIZAÇÃO DE SEÇÕES & EFEITOS GERAIS
   ============================================================ */

.content-section {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.section-header h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 5px;
}

.title-with-icon {
    display: flex;
    align-items: center;
    gap: 15px;
}

.whatsapp-color {
    color: var(--whatsapp-green) !important;
}

.telegram-color {
    color: var(--telegram-blue) !important;
}

/* ============================================================
   ELEMENTOS DE INTERFACE (CARDS, BOTÕES E FORMS)
   ============================================================ */

/* Cards de Status Geral */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.status-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.status-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    padding: 12px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-details {
    flex-grow: 1;
}

.card-details h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.card-details span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-online {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-offline {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-card-action {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-card-action:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

/* Banner de boas-vindas */
.welcome-banner {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-top: 20px;
}

.banner-body h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.banner-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.banner-illustration {
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.8;
}

/* ============================================================
   SUB ABAS E NAVEGAÇÃO
   ============================================================ */

.tab-navigation {
    display: flex;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 25px;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.tab-btn:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-accent);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease forwards;
}

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

/* ============================================================
   TELA DE CONEXÃO
   ============================================================ */

.connection-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
}

.form-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.form-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.status-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.status-indicator.online {
    background-color: var(--color-success);
    box-shadow: 0 0 10px var(--color-success);
}

.status-indicator.offline {
    background-color: var(--color-danger);
    box-shadow: 0 0 10px var(--color-danger);
}

.status-indicator.connecting {
    background-color: var(--color-warning);
    box-shadow: 0 0 10px var(--color-warning);
    animation: pulse 1.5s infinite;
}

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

.status-text-large {
    font-size: 1.2rem;
    font-weight: 700;
}

.qr-box-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.qr-placeholder {
    text-align: center;
}

.loading-spinner {
    font-size: 3rem;
    color: var(--color-accent);
}

.spin-icon {
    animation: rotate 1.2s linear infinite;
}

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

/* Card de Perfil Conectado */
.profile-card {
    text-align: center;
    animation: fadeIn 0.4s ease;
}

.profile-avatar {
    font-size: 4rem;
    color: var(--whatsapp-green);
    background-color: rgba(37, 211, 102, 0.1);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-card h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.profile-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.platform-badge {
    display: inline-block;
    padding: 4px 10px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 10px;
}

/* ============================================================
   TELA DE EXTRAÇÃO (BOTOES, CHECKBOX, LOGS)
   ============================================================ */

.control-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.search-bar {
    position: relative;
    flex-grow: 1;
    max-width: 400px;
}

.search-bar iconify-icon {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-bar input {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 12px 15px 12px 45px;
    border-radius: 8px;
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-speed) ease;
}

.search-bar input:focus {
    border-color: var(--border-focus);
}

.action-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Checkbox estilizado */
.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 18px;
    width: 18px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: background-color var(--transition-speed) ease;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: rgba(255, 255, 255, 0.1);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Botões */
.btn-primary {
    background-color: var(--color-accent);
    color: #fff;
    border: none;
    padding: 12px 22px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-speed) ease;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-speed) ease;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-accent {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-speed) ease;
}

.btn-accent:hover {
    background-color: rgba(59, 130, 246, 0.2);
}

.btn-danger-glow:hover {
    background-color: rgba(239, 68, 68, 0.2) !important;
    border-color: var(--color-danger) !important;
}

.loading-spinner-btn {
    display: inline-block;
    font-size: 1.1rem;
    line-height: 1;
}

/* Listagem de Grupos */
.groups-grid-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 25px;
    padding: 15px;
}

.groups-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.group-item {
    background-color: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-speed) ease;
}

.group-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background-color: rgba(255, 255, 255, 0.02);
}

.group-item input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.group-thumb {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    background-color: #2c3e50;
}

.group-info {
    flex-grow: 1;
    overflow: hidden;
}

.group-info strong {
    font-size: 0.9rem;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff;
}

.participant-badge {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.new-group {
    border-color: var(--whatsapp-green);
    background-color: rgba(37, 211, 102, 0.03);
}

.new-tag {
    background-color: var(--whatsapp-green);
    color: #000;
    font-weight: 800;
    font-size: 0.65rem;
    padding: 1px 4px;
    border-radius: 4px;
    vertical-align: middle;
}

/* Painel de Log */
.log-panel {
    background-color: #07090e;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
}

.log-panel h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

.log-area {
    background-color: rgba(0, 0, 0, 0.3);
    height: 130px;
    overflow-y: auto;
    border-radius: 8px;
    padding: 10px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    line-height: 1.5;
}

.log-area p {
    margin-bottom: 4px;
}

.log-area .info { color: #818cf8; }
.log-area .success { color: #34d399; }
.log-area .warning { color: #fbbf24; }
.log-area .error { color: #f87171; }

/* ============================================================
   PROGRESS BARS & FORMS
   ============================================================ */

.progress-bar-container {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 20px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.progress-track {
    background-color: rgba(255, 255, 255, 0.05);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    background-color: var(--color-accent);
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
}

/* Formulários */
.form-card-container {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 30px;
}

textarea {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    color: #fff;
    font-size: 0.9rem;
    resize: none;
    outline: none;
    transition: border-color var(--transition-speed) ease;
}

textarea:focus {
    border-color: var(--border-focus);
}

.form-group-custom {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 15px;
}

.form-group-custom label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group-custom input {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 12px 15px;
    border-radius: 8px;
    color: #fff;
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-speed) ease;
}

.form-group-custom input:focus {
    border-color: var(--border-focus);
}

.alert-info-box {
    display: flex;
    gap: 10px;
    padding: 12px;
    background-color: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.alert-info-box iconify-icon {
    font-size: 1.2rem;
    color: var(--color-accent);
}

/* ============================================================
   VALIDADOR & RESULTADOS
   ============================================================ */

.validation-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 30px;
}

.action-buttons-validate {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.validation-results {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
}

.results-stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.stat-badge {
    border-radius: 12px;
    padding: 20px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.success-bg {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.error-bg {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.stat-count {
    font-size: 2rem;
    font-weight: 800;
}

.stat-name {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* ============================================================
   MODAIS & NOTIFICAÇÕES (TOAST)
   ============================================================ */

.toast {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #1f2937;
    color: #fff;
    padding: 15px 25px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border-left: 4px solid var(--color-accent);
    display: none;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

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

/* Modais */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    width: 90%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    animation: scaleUp 0.3s ease;
}

@keyframes scaleUp {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.modal-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.btn-download {
    background-color: #2ed573;
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-speed) ease;
}

.btn-download:hover {
    background-color: #26af5f;
    box-shadow: 0 4px 15px rgba(46, 213, 115, 0.4);
}

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

.history-table th, .history-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

.history-table tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* ============================================================
   SUB NAVEGAÇÃO DOS MÓDULOS (WHATSAPP E TELEGRAM)
   ============================================================ */
.module-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    overflow-x: auto;
}

.sub-nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all var(--transition-speed) ease;
    white-space: nowrap;
}

.sub-nav-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.03);
}

.sub-nav-btn.active {
    color: #fff;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.sub-content {
    animation: fadeIn 0.3s ease;
}

/* ============================================================
   TELA DE LOGIN PREMIUM (GLASSMORPHISM)
   ============================================================ */
body.login-body {
    background: radial-gradient(circle at 50% 50%, #111524 0%, #0a0d16 100%) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100vw;
    overflow: hidden;
}

body.login-body .glass-container {
    background: rgba(20, 26, 46, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    animation: scaleUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

body.login-body .logo-container {
    width: 70px;
    height: 70px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2.2rem;
    color: var(--color-accent);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

body.login-body h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #fff;
}

/* Alert Box */
body.login-body .alert {
    padding: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: none;
    text-align: left;
}

body.login-body .alert.error {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

body.login-body .alert.success {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Input group */
body.login-body .input-group {
    position: relative;
    margin-bottom: 20px;
    text-align: left;
    width: 100%;
}

body.login-body .input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 16px 14px 44px;
    color: #fff;
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-speed) ease;
}

body.login-body .input-group input:focus {
    border-color: var(--border-focus);
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.1);
}

body.login-body .input-group .icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.25rem;
}

body.login-body button[type="submit"] {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 10px;
}

/* ============================================================
   RESPONSIVIDADE E MENU HAMBURGUER (MOBILE)
   ============================================================ */

/* Oculto por padrão no Desktop */
.mobile-header {
    display: none;
}

@media (max-width: 992px) {
    :root {
        --sidebar-width: 260px;
    }
    
    body {
        flex-direction: column;
        padding-top: 60px; /* Offset para o cabeçalho fixo */
    }

    .mobile-header {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 60px;
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
        z-index: 101;
    }

    .hamburger-btn {
        background: transparent;
        border: none;
        color: #fff;
        font-size: 2rem;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        outline: none;
    }

    .mobile-brand {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .mobile-brand h2 {
        font-family: var(--font-heading);
        font-size: 1.25rem;
        font-weight: 800;
        color: #fff;
    }

    /* Menu Lateral (Sidebar) no Mobile */
    .sidebar {
        left: -100%;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        height: calc(100vh - 60px);
        top: 60px;
        width: var(--sidebar-width);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .sidebar.active {
        left: 0;
    }

    /* Oculta marca da sidebar no mobile pois já tem no cabeçalho */
    .sidebar-brand {
        display: none;
    }

    /* Conteúdo Principal no Mobile */
    .main-content {
        margin-left: 0;
        padding: 20px;
        min-height: calc(100vh - 60px);
    }
    
    /* Layouts flexíveis de colunas se ajustam para vertical */
    .connection-layout,
    .validation-layout {
        flex-direction: column !important;
        gap: 20px;
    }
    
    /* Ajustes finos de tabelas e grids */
    .groups-grid-wrapper {
        overflow-x: auto;
    }
    
    /* Ajusta modais no mobile */
    .modal-content {
        width: 95% !important;
        margin: 20px auto;
        padding: 20px !important;
    }

    /* Sobrescreve larguras mínimas inline em telas pequenas */
    .form-card {
        min-width: unset !important;
        width: 100% !important;
    }
}