/* CSS Variables for Theme Management */
:root {
    --primary-color: #05386B;
    --secondary-color: #379683;
    --accent-color: #5CDB95;
    --light-accent: #8EE4AF;
    --background-color: #EDF5E1;
    --text-color: #333333;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--light-accent));
    --transition: all 0.3s ease;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --background-color: #1a1a1a;
    --text-color: #e0e0e0;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

/* Global Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
      
  touch-action: pan-y; /* Permite só scroll vertical ao tocar */
  overscroll-behavior-x: contain; /* Impede efeito de “bounce” horizontal */
}



body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    transition: var(--transition);
    padding-top: 80px;
}

/* Custom Bootstrap Overrides */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #043a5e, #2d7a6b);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

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

.bg-primary {
    background: var(--gradient-primary) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

/* Navigation Styles */
.navbar {
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.navbar-brand {
    font-size: 1.5rem;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    transition: var(--transition);
    border-radius: 6px;
    margin: 0 4px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
    padding: 60px 0;
    background: var(--gradient-accent);
    margin: -20px -15px 40px -15px;
    border-radius: 0 0 30px 30px;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-stats {
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    min-width: 150px;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

/* Card Styles */
.card {
    border-radius: 20px;
    transition: var(--transition);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.calculator-card {
    overflow: hidden;
}

.card-header.bg-gradient {
    background: var(--gradient-primary) !important;
    border-radius: 20px 20px 0 0 !important;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.info-card-hover {
    transition: var(--transition);
    cursor: pointer;
}

.info-card-hover:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid var(--border-color);
    padding: 12px 16px;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(92, 219, 149, 0.25);
    transform: scale(1.02);
}

.input-group-text {
    background-color: var(--light-accent);
    border: 2px solid var(--border-color);
    border-left: none;
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 0 10px 10px 0;
}

.form-label {
    color: var(--text-color);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

/* Gender Selection Buttons */
.btn-check:checked + .btn-outline-primary {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.btn-group .btn {
    border-radius: 10px;
    margin: 0 4px;
    font-weight: 600;
    transition: var(--transition);
}

/* Results Section */
.results-section {
    animation: slideInUp 0.6s ease-out;
}

.tmb-result-display {
    padding: 30px;
    background: var(--gradient-accent);
    border-radius: 20px;
    margin: 20px 0;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.tmb-value {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.tmb-unit {
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0.9;
    margin-top: 10px;
}

.info-card {
    background: linear-gradient(135deg, rgba(92, 219, 149, 0.1), rgba(142, 228, 175, 0.1));
    transition: var(--transition);
}

.info-card:hover {
    background: linear-gradient(135deg, rgba(92, 219, 149, 0.2), rgba(142, 228, 175, 0.2));
    transform: scale(1.02);
}

/* Alert Styles */
.alert {
    border-radius: 12px;
    border: none;
    font-weight: 500;
    box-shadow: var(--shadow);
}

.alert-success {
    background: linear-gradient(135deg, rgba(92, 219, 149, 0.15), rgba(142, 228, 175, 0.15));
    color: var(--secondary-color);
    border-left: 4px solid var(--accent-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.15), rgba(248, 215, 218, 0.15));
    color: #721c24;
    border-left: 4px solid #dc3545;
}

/* Saved Results */
.saved-result-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.saved-result-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

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

.saved-result-date {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.7;
}

/* Footer */
.footer {
    background: var(--gradient-primary) !important;
    margin-top: 80px;
}

.footer a:hover {
    color: var(--accent-color) !important;
    transition: var(--transition);
}

/* Theme Toggle Button */
#themeToggle {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

#themeToggle:hover {
    transform: rotate(180deg);
}

/* Loading Animation */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.animate-pulse {
    animation: pulse 2s infinite;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 0;
        margin: -20px -15px 30px -15px;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .tmb-value {
        font-size: 3rem;
    }
    
    .tmb-unit {
        font-size: 1.2rem;
    }
    
    .stat-item {
        margin-bottom: 15px;
        min-width: 120px;
    }
    
    .btn-group .btn {
        font-size: 0.9rem;
        padding: 8px 16px;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .info-card {
        margin-bottom: 20px;
    }
    
    body {
        padding-top: 70px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-section {
        margin: -20px -10px 20px -10px;
        padding: 30px 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .tmb-result-display {
        padding: 20px;
        margin: 15px 0;
    }
    
    .tmb-value {
        font-size: 2.5rem;
    }
    
    .stat-item {
        min-width: 100px;
        padding: 15px;
    }
    
    .card {
        border-radius: 15px;
    }
    
    .form-control, .form-select {
        padding: 10px 14px;
    }
}

/* High Contrast Mode for Accessibility */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
        --border-color: #666666;
    }
    
    .form-control, .form-select {
        border-width: 3px;
    }
    
    .btn {
        border-width: 2px;
    }
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .card:hover,
    .info-card-hover:hover,
    .btn:hover {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    #themeToggle,
    .btn {
        display: none !important;
    }
    
    body {
        padding-top: 0;
        background: white;
        color: black;
    }
    
    .card {
        box-shadow: none;
        border: 2px solid #000;
    }
    
    .hero-section {
        background: none;
        color: black;
    }
    
    .tmb-result-display {
        background: none;
        color: black;
        border: 2px solid #000;
    }
}

/* Focus Styles for Accessibility */
.form-control:focus,
.form-select:focus,
.btn:focus,
.btn-check:focus + .btn {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Utility Classes */
.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.border-gradient {
    border: 2px solid;
    border-image: var(--gradient-primary) 1;
}

.bg-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Bootstrap dark theme overrides */
[data-theme="dark"] .card,
[data-theme="dark"] .results-card,
[data-theme="dark"] .calculator-card {
    background-color: #23272b !important;
    color: #e0e0e0 !important;
    border-color: #343a40 !important;
}

[data-theme="dark"] .card-header,
[data-theme="dark"] .bg-gradient,
[data-theme="dark"] .bg-primary,
[data-theme="dark"] .bg-info,
[data-theme="dark"] .bg-success,
[data-theme="dark"] .footer {
    background: #1a1a1a !important;
    color: #e0e0e0 !important;
}

[data-theme="dark"] .navbar,
[data-theme="dark"] .navbar-brand,
[data-theme="dark"] .navbar-nav .nav-link {
    background: #1a1a1a !important;
    color: #e0e0e0 !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .input-group-text {
    background-color: #23272b !important;
    color: #e0e0e0 !important;
    border-color: #343a40 !important;
}

[data-theme="dark"] .form-label,
[data-theme="dark"] .text-primary,
[data-theme="dark"] .text-info,
[data-theme="dark"] .text-success {
    color: #8EE4AF !important;
}

[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-outline-primary {
    background: #05386B !important;
    color: #e0e0e0 !important;
    border-color: #379683 !important;
}

[data-theme="dark"] .btn-outline-primary:hover,
[data-theme="dark"] .btn-primary:hover {
    background: #379683 !important;
    color: #fff !important;
}

[data-theme="dark"] .alert {
    background: #23272b !important;
    color: #e0e0e0 !important;
    border-color: #343a40 !important;
}

[data-theme="dark"] .tmb-result-display {
    background: #23272b !important;
    color: #8EE4AF !important;
}

[data-theme="dark"] .info-card {
    background: #23272b !important;
    color: #e0e0e0 !important;
}

[data-theme="dark"] .saved-result-item {
    background: #23272b !important;
    color: #e0e0e0 !important;
    border-color: #343a40 !important;
}

[data-theme="dark"] body {
    background-color: var(--background-color) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .lead{
    color: #e0e0e0 !important;
}

[data-theme="dark"] .hero-section,
[data-theme="dark"] .hero-stats *{
    background: linear-gradient(135deg, #23272b, #343a40) !important;
    color: #e0e0e0 !important;
    text-shadow: none;
}