@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ========================================
   VARIÁVEIS DE DESIGN
======================================== */
:root {
    /* Cores Primárias - Baseadas em UI/UX de Saúde */
    --primary-blue: #4A90E2;
    --primary-blue-dark: #357ABD;
    --primary-blue-light: #E3F2FD;
    
    --success-green: #27AE60;
    --success-green-dark: #1E8449;
    --success-green-light: #E8F5E9;
    
    --danger-red: #E74C3C;
    --danger-red-dark: #C0392B;
    --danger-red-light: #FFEBEE;
    
    --warning-yellow: #F39C12;
    --warning-yellow-dark: #E67E22;
    --warning-yellow-light: #FFF9E6;
    
    /* Cores Neutras */
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;
    
    --white: #FFFFFF;
    --black: #000000;
    
    /* Cores de Texto */
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --text-light: #95A5A6;
    
    /* Cores de Fundo */
    --bg-primary: #F5F7FA;
    --bg-card: #FFFFFF;
    --bg-hover: #F8FAFC;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
    
    /* Bordas */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --header-height: 64px;
    --sidebar-width: 280px;
    --content-max-width: 1200px;
}

/* ========================================
   RESET E BASE
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   MODAL DE BOAS-VINDAS
======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.4s ease;
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--primary-blue-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon svg {
    color: var(--primary-blue);
}

.modal-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.modal-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.modal-content strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* ========================================
   HEADER
======================================== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.header-content {
    height: 100%;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.logo svg {
    color: var(--primary-blue);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.menu-toggle:hover {
    background: var(--gray-100);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   SIDEBAR
======================================== */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--white);
    box-shadow: var(--shadow-md);
    overflow-y: auto;
    z-index: 999;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-sidebar {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.close-sidebar:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.sidebar-menu {
    list-style: none;
    padding: var(--spacing-md);
}

.sidebar-menu li {
    margin-bottom: 4px;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.menu-link:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.menu-link.active {
    background: var(--primary-blue-light);
    color: var(--primary-blue);
}

.menu-link svg {
    flex-shrink: 0;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 998;
}

/* ========================================
   MAIN CONTENT
======================================== */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: var(--spacing-xl);
    min-height: calc(100vh - var(--header-height));
}

.content-section {
    display: none;
    animation: fadeInUp 0.3s ease;
}

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

.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ========================================
   CARDS
======================================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-highlight {
    border: 2px solid var(--primary-blue-light);
}

.card-wide {
    grid-column: 1 / -1;
}

/* ========================================
   DASHBOARD GRID
======================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.date-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.reminders-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.reminder-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.reminder-item svg {
    color: var(--primary-blue);
    flex-shrink: 0;
}

/* ========================================
   BUTTONS
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-300);
}

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

.btn-success:hover:not(:disabled) {
    background: var(--success-green-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--danger-red-dark);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

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

/* ========================================
   STATUS BADGES
======================================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-disconnected {
    background: var(--danger-red-light);
    color: var(--danger-red);
}

.status-connected {
    background: var(--success-green-light);
    color: var(--success-green);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

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

/* ========================================
   FORMS
======================================== */
.form-container {
    max-width: 800px;
}

.daily-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.form-section {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.form-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.form-section-title svg {
    color: var(--primary-blue);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--primary-blue-light);
}

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

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.checkbox-label:hover {
    background: var(--gray-50);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.range-input {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    outline: none;
    -webkit-appearance: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-blue);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.range-labels span:nth-child(2) {
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

/* ========================================
   PRÁTICAS DE AUTOCUIDADO
======================================== */
.practices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.practice-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.practice-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.practice-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--primary-blue-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.practice-icon svg {
    color: var(--primary-blue);
}

.practice-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.practice-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   MONITOR CARDÍACO
======================================== */
.cardio-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.session-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.recording-status {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-secondary);
}

.recording-status.recording-active {
    color: var(--success-green);
    font-weight: 600;
    font-style: normal;
}

.device-info {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.bpm-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
}

.bpm-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.bpm-unit {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ========================================
   SISTEMA REVEZAR
======================================== */
.revezar-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.task-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.task-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.task-item:hover {
    background: var(--gray-100);
}

.task-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--success-green);
}

.task-item label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
}

.task-time {
    font-weight: 600;
    color: var(--primary-blue);
    min-width: 60px;
}

.task-desc {
    flex: 1;
    color: var(--text-primary);
}

.task-responsible {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========================================
   CÍRCULO DE CUIDADO
======================================== */
.circle-container {
    max-width: 600px;
}

.members-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.member-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.member-item:hover {
    background: var(--gray-100);
}

.member-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-blue-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.member-avatar svg {
    color: var(--primary-blue);
}

.member-info {
    flex: 1;
}

.member-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.member-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========================================
   AVALIAÇÕES
======================================== */
.assessments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.assessment-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    text-align: center;
}

.assessment-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.assessment-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--success-green-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.assessment-icon svg {
    color: var(--success-green);
}

.assessment-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.assessment-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.assessment-info {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.info-badge {
    padding: 4px 12px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========================================
   RELATÓRIOS
======================================== */
.reports-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.report-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.reports-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.report-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.report-item:hover {
    background: var(--gray-100);
}

.report-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.report-info svg {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.report-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.report-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========================================
   ANIMAÇÕES
======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ========================================
   RESPONSIVE - TABLET
======================================== */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 260px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .practices-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .revezar-container,
    .reports-container {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   RESPONSIVE - MOBILE
======================================== */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .close-sidebar {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .section-header h1 {
        font-size: 1.5rem;
    }
    
    .modal-content {
        padding: var(--spacing-lg);
    }
    
    .modal-content h2 {
        font-size: 1.5rem;
    }
    
    .metric-row {
        grid-template-columns: 1fr;
    }
    
    .practices-grid {
        grid-template-columns: 1fr;
    }
    
    .assessments-grid {
        grid-template-columns: 1fr;
    }
    
    .cardio-container {
        grid-template-columns: 1fr;
    }
    
    .session-controls {
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .bpm-value {
        font-size: 2.5rem;
    }
}

/* ========================================
   ACESSIBILIDADE
======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para navegação por teclado */
*:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* ========================================
   UTILITÁRIOS
======================================== */
.hidden {
    display: none !important;
}

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

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }