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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    padding-top: 70px;
}

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



.fixed-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 2147483647;
    transition: transform 0.3s ease;
}

.fixed-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.fixed-nav h1 {
    font-size: 1.5rem;
    margin-right: 0;
    color: #4CAF50;
}

.fixed-nav nav {
    display: flex;
    gap: 10px;
}

.fixed-nav nav a {
    text-decoration: none;
    color: #333;
    padding: 8px 16px;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.fixed-nav nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: #4CAF50;
    transition: width 0.3s ease;
}

.fixed-nav nav a:hover,
.fixed-nav nav a.active {
    background-color: #4CAF50;
    color: white;
}

.fixed-nav nav a.active::after,
.fixed-nav nav a:hover::after {
    width: 100%;
}

/* ========================================
   SEÇÕES
   ======================================== */

section {
    padding: 40px 0;
    margin-top: 32px;
    animation: fadeIn 0.6s ease-out;
}

.section-header {
    text-align: center;
    padding: 40px 0 20px;
    background-color: #f8f9fa;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 10px;
}

.section-header .btn-emergency {
    display: block;
    max-width: 300px;
    margin: 15px auto;
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

.section-divider {
    display: none;
}

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

.dashboard-main {
    padding: 2rem 0;
}

.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background-color: #f5f5f5;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 2rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #999;
    transition: background-color 0.3s ease;
}

.status-indicator.connecting {
    background-color: #FFC107 !important;
    animation: pulse 1.5s infinite;
}

.status-indicator.connected {
    background-color: #4CAF50 !important;
}

.status-indicator.disconnected {
    background-color: #F44336 !important;
}

.status-indicator.error {
    background-color: #F44336 !important;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes emergencyPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

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

.sensor-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.sensor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.sensor-card h3 {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.sensor-value {
    font-size: 3rem;
    font-weight: bold;
    color: #4CAF50;
    margin-bottom: 0.5rem;
}

/* Estilo para valores vazios */
.sensor-value:has-text("-") {
    color: #ccc;
    opacity: 0.5;
}

/* Alternativa que funciona em mais navegadores */
.sensor-card .sensor-value {
    transition: all 0.3s ease;
}

.sensor-card .sensor-value[data-empty="true"] {
    color: #ccc;
    opacity: 0.5;
}

.sensor-unit {
    color: #999;
    font-size: 0.9rem;
}

.sensor-card.highlight {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
}

.sensor-card.highlight h3,
.sensor-card.highlight .sensor-value,
.sensor-card.highlight .sensor-unit {
    color: white;
}

/* Novas classes para os diferentes estados de destaque */
.sensor-card.highlight-normal {
    background: linear-gradient(135deg, #4CAF50, #45a049);
}

.sensor-card.highlight-alerta {
    background: linear-gradient(135deg, #FFC107, #FFB300);
}

.sensor-card.highlight-alto-risco {
    background: linear-gradient(135deg, #F44336, #D32F2F);
}

/* Indicador de Faixa */
.range-indicator {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.range-indicator.normal {
    background-color: rgba(76, 175, 80, 0.1);
    border-left: 5px solid #4CAF50;
}

.range-indicator.alerta {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 5px solid #FFC107;
}

.range-indicator.alto-risco {
    background-color: rgba(244, 67, 54, 0.1);
    border-left: 5px solid #F44336;
}

.range-display {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background-color: #f5f5f5;
    border-radius: 10px;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.range-display.normal {
    background-color: #4CAF50;
    color: white;
}

.range-display.alerta {
    background-color: #FFC107;
    color: #333;
}

.range-display.alto-risco {
    background-color: #F44336;
    color: white;
    animation: alertPulse 1.5s infinite;
}

.range-icon {
    font-size: 2rem;
}

.range-text {
    font-size: 1.5rem;
    font-weight: bold;
}

.range-description {
    text-align: center;
    color: #666;
    margin-top: 1rem;
}

/* Barra de Progresso */
.progress-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.progress-wrapper {
    margin-top: 1rem;
}

.progress-bar {
    height: 30px;
    background-color: #e0e0e0;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, #4ecdc4 0%, #8de9a9 20%, #ffd93d 50%, #ff9a5a 80%, #ff6b6b 100%);
    border-radius: 15px;
    width: 0%;
    transition: width 0.5s ease;
}

.progress-marker {
    position: absolute;
    top: -5px;
    width: 40px;
    height: 40px;
    background: white;
    border: 3px solid #333;
    border-radius: 50%;
    transform: translateX(-50%);
    transition: left 0.5s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

.progress-legend {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 15px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.legend-color {
    width: 15px;
    height: 15px;
    border-radius: 3px;
}

.legend-text {
    font-size: 0.85rem;
    color: #555;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: #4CAF50;
    color: white;
}

.btn-primary:hover {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(76, 175, 80, 0.3);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(108, 117, 125, 0.3);
}

.btn-emergency {
    background-color: #dc3545;
    color: white;
    font-weight: bold;
    margin: 10px auto 15px;
    padding: 0.85rem 2rem;
    border: 2px solid #c82333;
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-emergency::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    z-index: -1;
    animation: emergencyGlow 2s infinite;
}

.btn-emergency .btn-icon {
    font-size: 2rem;
    color: #ffff00;
    text-shadow: 0 0 10px #000;
    margin-right: 5px;
    display: inline-block;
    vertical-align: middle;
}

.btn-emergency:hover {
    background-color: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(220, 53, 69, 0.4);
    animation: emergencyPulse 1s infinite;
}

@keyframes emergencyGlow {
    0% { left: -100%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Estados do botão Bluetooth */
.btn.connecting {
    background-color: #ffc107;
    color: #333;
    position: relative;
    overflow: hidden;
}

.btn.connecting::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.btn.connecting:hover {
    background-color: #ffc107;
    transform: none;
    cursor: wait;
}

.btn.connected {
    background-color: #dc3545;
}

.btn.connected:hover {
    background-color: #c82333;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

/* ========================================
   LOCALIZAÇÃO
   ======================================== */

.location-main {
    padding: 2rem 0;
}

.map-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.map-placeholder {
    position: relative;
    height: 400px;
    background: #f0f0f0;
    border-radius: 8px;
    overflow: hidden;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 10px;
}

.location-info {
    margin-bottom: 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.info-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.info-card h4 {
    color: #4CAF50;
    margin-bottom: 1rem;
}

/* Histórico */
.readings-history {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.history-filter {
    margin: 1rem 0;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-group label {
    font-weight: 600;
    color: #495057;
}

.date-filter {
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 5px;
    font-size: 0.9rem;
}

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

.history-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.control-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.history-table-container {
    overflow-x: auto;
    max-height: 600px; /* Altura para aproximadamente 20 linhas (cabeçalho + 20 linhas de ~27px cada) */
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-top: 1rem;
    position: relative;
}

.history-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    position: relative;
}

.history-table th,
.history-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.history-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #495057;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.1);
}

.history-table tbody tr {
    transition: all 0.3s ease;
}

.history-table tbody tr:hover {
    background-color: rgba(76, 175, 80, 0.1);
    transform: scale(1.01);
}

/* Status no histórico */
.status-normal { 
    color: #388e3c; 
    font-weight: normal;
}

.status-alerta { 
    color: #f57c00; 
    font-weight: normal;
}

.status-alto-risco { 
    color: #d32f2f; 
    font-weight: bold;
}

.no-history {
    text-align: center;
    padding: 3rem;
    color: #999;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Estilos customizados para a barra de rolagem do histórico */
.history-table-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.history-table-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.history-table-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.history-table-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Para Firefox */
.history-table-container {
    scrollbar-width: thin;
    scrollbar-color: #888 #f1f1f1;
}

/* Sombra indicando mais conteúdo */
.history-table-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.9));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.history-table-container.has-scroll::after {
    opacity: 1;
}

/* ========================================
   CONFIGURAÇÕES
   ======================================== */

.config-main {
    padding: 2rem 0;
}

.config-section {
    margin-bottom: 2rem;
}

.config-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.config-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.bluetooth-connection {
    text-align: center;
    padding: 20px;
}

.bluetooth-connection p {
    margin-bottom: 20px;
    color: #666;
}

.feedback-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    display: none;
    font-weight: 500;
}

.feedback-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.feedback-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.feedback-message.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #495057;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #6c757d;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.form-group:hover small {
    color: #4CAF50;
}

.limits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Preview de Limites */
.limits-preview {
    margin: 2rem 0;
}

.preview-bar {
    display: flex;
    height: 40px;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    background: #f5f5f5;
}

.preview-segment {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 12px;
    padding: 5px;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.preview-segment.normal {
    background-color: #4CAF50;
}

.preview-segment.very-dry {
    background-color: #FFC107;
}

.preview-segment.critical {
    background-color: #F44336;
}

.preview-segment span {
    font-weight: bold;
}

.preview-segment small {
    font-size: 10px;
    opacity: 0.9;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* ========================================
   GUIA
   ======================================== */

.guide-main {
    padding: 2rem 0;
}

.guide-section {
    margin-bottom: 3rem;
}

.section-intro {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    text-align: center;
}

.humidity-levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.level-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.level-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.level-header {
    padding: 1.5rem;
    color: white;
    text-align: center;
}

.level-card.very-dry .level-header { background-color: #ff6b6b; }
.level-card.normal .level-header { background-color: #4ecdc4; }
.level-card.alert .level-header { background-color: #ffd93d; color: #333; }
.level-card.critical .level-header { background-color: #ff4757; }

.level-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.5rem;
}

.level-range {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
}

.level-content {
    padding: 1.5rem;
}

/* Procedimentos */
.procedures {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.procedure-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.procedure-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.procedure-card.emergency {
    border: 2px solid #ff4757;
}

.procedure-card h4 {
    color: #333;
    margin-bottom: 1rem;
}

.procedure-card ol {
    margin-left: 1.5rem;
}

.procedure-card li {
    margin-bottom: 0.5rem;
}

/* Uso do Sistema */
.usage-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.usage-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.usage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.usage-card h4 {
    color: #4CAF50;
    margin-bottom: 1rem;
}

/* Contatos de Emergência */
.emergency-contacts {
    background: #ffebee;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 3rem;
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.contact-item {
    background: white;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-size: 1.1rem;
}

/* ========================================
   COMPONENTES GERAIS
   ======================================== */

/* Botão Voltar ao Topo */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #4CAF50;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 24px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #45a049;
    transform: translateY(-3px);
}

/* Overlay de Alerta Crítico */
.critical-alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.critical-alert-overlay.active {
    opacity: 1;
    visibility: visible;
}

.critical-alert-content {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    text-align: center;
    max-width: 500px;
    animation: alertBounce 0.5s ease;
}

@keyframes alertBounce {
    0% { transform: scale(0.8); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.critical-alert-content h2 {
    color: #ff4757;
    margin-bottom: 1rem;
}

/* Rodapé */
.main-footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

.main-footer p {
    margin: 0.5rem 0;
}

/* ========================================
   ANIMAÇÕES
   ======================================== */

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

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

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

@keyframes alertPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 768px) {
    .fixed-nav .container {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .fixed-nav h1 {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }
    
    .fixed-nav nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .fixed-nav nav a {
        margin: 5px;
    }
    
    body {
        padding-top: 120px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 30px 0;
    }
    
    .section-header .btn-emergency {
        max-width: 90%;
        font-size: 0.95rem;
        padding: 0.75rem 1.5rem;
    }
    
    .sensors-grid,
    .info-grid,
    .contacts-grid,
    .humidity-levels,
    .procedures,
    .usage-guide {
        grid-template-columns: 1fr;
    }
    
    .sensor-value {
        font-size: 2.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .history-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .control-buttons {
        width: 100%;
    }
    
    .control-buttons .btn {
        flex: 1;
        justify-content: center;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .date-filter {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .sensor-card {
        padding: 1.5rem;
    }
    
    .sensor-value {
        font-size: 2rem;
    }
}

/* ========================================
   UTILITÁRIOS
   ======================================== */

.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* ========================================
   IMPRESSÃO
   ======================================== */

@media print {
    .fixed-nav,
    .back-to-top,
    .action-buttons,
    .btn,
    .critical-alert-overlay {
        display: none !important;
    }
    
    body {
        padding-top: 0;
    }
    
    section {
        page-break-after: always;
    }
    
    .section-header {
        background: none !important;
        color: black !important;
    }
}

#floatingNotification {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 2000;
    min-width: 280px;
    max-width: 350px;
    background: #4CAF50;
    color: #fff;
    padding: 18px 32px 18px 20px;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    font-size: 1.1rem;
    font-weight: 600;
    display: none;
    align-items: center;
    gap: 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s, transform 0.4s;
    transform: translateY(-20px);
}
#floatingNotification.visible {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
#floatingNotification .close-btn {
    margin-left: auto;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}
#floatingNotification .close-btn:hover {
    opacity: 1;
}
@media (max-width: 600px) {
    #floatingNotification {
        right: 10px;
        left: 10px;
        min-width: unset;
        max-width: unset;
        padding: 14px 16px 14px 14px;
        font-size: 1rem;
    }
}

/* Estilo para inputs e botão de localização manual */
#inputLat, #inputLng {
    width: 140px;
    padding: 0.7rem 1rem;
    border: 1.5px solid #bdbdbd;
    border-radius: 7px;
    font-size: 1rem;
    margin-left: 10px;
    background: #fafbfc;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
#inputLat:focus, #inputLng:focus {
    border-color: #4CAF50;
    box-shadow: 0 0 0 2px rgba(76,175,80,0.15);
    background: #fff;
}
#setLatLngBtn {
    padding: 0.7rem 1.3rem;
    font-size: 1rem;
    border-radius: 7px;
    border: none;
    background: #fff;
    color: #4CAF50;
    font-weight: 600;
    box-shadow: 0 1px 4px rgba(76,175,80,0.08);
    margin-left: 10px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    border: 1.5px solid #4CAF50;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
#setLatLngBtn:hover, #setLatLngBtn:focus {
    background: #4CAF50;
    color: #fff;
    box-shadow: 0 2px 8px rgba(76,175,80,0.15);
}
@media (max-width: 600px) {
    #inputLat, #inputLng {
        width: 100%;
        margin-left: 0;
        margin-top: 8px;
    }
    #setLatLngBtn {
        width: 100%;
        margin-left: 0;
        margin-top: 8px;
    }
    .map-container > div[style*='display: flex'] {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
}

/* Overlay de instrução para conexão Bluetooth */
#bleInstructionOverlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.65);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}
#bleInstructionOverlay.active {
    display: flex;
}
.ble-instruction-content {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    padding: 2.5rem 2rem 2rem 2rem;
    max-width: 370px;
    text-align: center;
    position: relative;
    animation: alertBounce 0.5s;
}
.ble-instruction-content .ble-icon {
    font-size: 3rem;
    color: #2196f3;
    margin-bottom: 1rem;
    display: block;
}
.ble-instruction-content h2 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 0.7rem;
}
.ble-instruction-content p {
    color: #555;
    font-size: 1.08rem;
    margin-bottom: 1.5rem;
}
.ble-instruction-content button {
    background: #2196f3;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.8rem 2.2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(33,150,243,0.12);
}
.ble-instruction-content button:hover {
    background: #1769aa;
}
.ble-instruction-content .close-btn {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #aaa;
    cursor: pointer;
    transition: color 0.2s;
}
.ble-instruction-content .close-btn:hover {
    color: #2196f3;
}

/* Botão Bluetooth mais estilizado */
#bleConnectButton, #bleConnectButtonConfig {
    background: linear-gradient(90deg, #2196f3 60%, #21cbf3 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.8rem 2.2rem;
    box-shadow: 0 2px 8px rgba(33,150,243,0.12);
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
}
#bleConnectButton:hover, #bleConnectButtonConfig:hover {
    background: linear-gradient(90deg, #1769aa 60%, #21cbf3 100%);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 4px 16px rgba(33,150,243,0.18);
}
#bleConnectButton.connected, #bleConnectButtonConfig.connected {
    background: linear-gradient(90deg, #f44336 60%, #ff7961 100%);
}
#bleConnectButton.connecting, #bleConnectButtonConfig.connecting {
    background: linear-gradient(90deg, #ff9800 60%, #ffd54f 100%);
    color: #fff;
}

.connection-status-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 16px;
    font-size: 1.05rem;
    font-weight: 500;
    vertical-align: middle;
}
.connection-status-inline .status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    background: #ccc;
    margin-right: 4px;
    transition: background 0.3s;
}
.connection-status-inline .status-indicator.connected {
    background: #4CAF50;
}
.connection-status-inline .status-indicator.connecting {
    background: #ff9800;
}
.connection-status-inline .status-indicator.disconnected {
    background: #f44336;
}
.connection-status-inline .status-indicator.error {
    background: #f44336;
}

.header-bluetooth-group {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-left: 32px;
}

/* Remover classes obsoletas */
.range-indicator.muito-umido {
    background-color: transparent;
    border-left: none;
}

.range-indicator.muito-umido h3,
.range-indicator.muito-umido .range-description {
    color: inherit;
}

.history-table td.status-muito-umido {
    color: inherit;
    font-weight: normal;
}