/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #28a745;
    --primary-dark: #1e7e34;
    --secondary-color: #6c757d;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --border-radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    line-height: 1.6;
}

/* Navegação */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid rgba(40, 167, 69, 0.2);
    transition: var(--transition);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color) !important;
    text-decoration: none;
    transition: var(--transition);
}

.navbar-brand:hover {
    color: var(--primary-dark) !important;
    transform: translateX(-5px);
}

/* Container principal */
.main-container {
    padding: 100px 15px 40px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card principal */
.inscription-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: none;
    max-width: 500px;
    width: 100%;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 25px;
    text-align: center;
    border: none;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-body {
    padding: 25px;
}

/* Formulário */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-label {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-control, .form-select {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    height: auto;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.15);
    outline: none;
    transform: translateY(-2px);
}

.form-control.is-valid {
    border-color: var(--primary-color);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

/* Placeholders melhorados */
.form-control::placeholder {
    color: #adb5bd;
    font-style: italic;
}

/* Alertas */
.alert {
    border: none;
    border-radius: 8px;
    padding: 15px;
    font-weight: 500;
    margin-bottom: 20px;
    animation: fadeIn 0.5s ease-out;
}

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

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border-left: 4px solid var(--primary-color);
}

/* Informações de valor */
.value-info {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 20px 0;
    box-shadow: var(--shadow);
    animation: fadeIn 0.5s ease-out;
}

.value-info h6 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.value-info h6::before {
    content: "💰";
    font-size: 1.2rem;
}

.value-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #dee2e6;
}

.value-item:last-child {
    border-bottom: none;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Seção PIX */
.pix-section {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border: 2px solid var(--warning-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 20px 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.pix-title {
    color: #856404;
    font-weight: 700;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pix-title::before {
    content: "🏦";
    font-size: 1.2rem;
}

.pix-key-container {
    position: relative;
    margin: 15px 0;
}

.pix-key {
    background: var(--white);
    border: 2px solid var(--warning-color);
    border-radius: 8px;
    padding: 12px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: center;
    color: #856404;
}

.copy-btn {
    background: linear-gradient(135deg, var(--warning-color), #e0a800);
    border: none;
    color: #856404;
    font-weight: 600;
    border-radius: 8px;
    padding: 12px 24px;
    transition: var(--transition);
    margin-top: 10px;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
    background: linear-gradient(135deg, #e0a800, var(--warning-color));
}

.pix-instructions {
    font-size: 0.9rem;
    color: #856404;
    margin-top: 10px;
    opacity: 0.8;
}

/* Botão principal */
.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: var(--border-radius);
    padding: 15px;
    width: 100%;
    transition: var(--transition);
    margin-top: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.4);
}

.submit-btn:active {
    transform: translateY(-1px);
}

/* Feedback de validação */
.valid-feedback, .invalid-feedback {
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 5px;
    padding: 5px 0;
}

.valid-feedback {
    color: var(--primary-color);
}

.invalid-feedback {
    color: var(--danger-color);
}

/* Estados de loading */
.loading {
    position: relative;
    pointer-events: none;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 15px;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Estados de validação melhorados */
.form-control.is-valid {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f8fff9, #e8f5e8);
    animation: validPulse 0.6s ease-out;
}

.form-control.is-invalid {
    border-color: var(--danger-color);
    background: linear-gradient(135deg, #fff8f8, #ffeaea);
    animation: invalidShake 0.6s ease-out;
}

@keyframes validPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

@keyframes invalidShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

/* Feedback messages melhorados */
.valid-feedback, .invalid-feedback {
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 5px;
    padding: 8px 12px;
    border-radius: 6px;
    animation: fadeIn 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 6px;
}

.valid-feedback {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border-left: 4px solid var(--primary-color);
}

.valid-feedback::before {
    content: "✓";
    font-weight: bold;
    color: var(--primary-color);
}

.invalid-feedback {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.invalid-feedback::before {
    content: "⚠";
    font-weight: bold;
    color: var(--danger-color);
}

/* Efeito de limpeza do campo */
.field-clearing {
    animation: fieldClear 1.5s ease-out;
}

@keyframes fieldClear {
    0% { 
        background: linear-gradient(135deg, #fff8f8, #ffeaea);
        transform: scale(1);
    }
    50% { 
        background: linear-gradient(135deg, #fff3cd, #ffeaa7);
        transform: scale(0.98);
    }
    100% { 
        background: var(--white);
        transform: scale(1);
    }
}

/* Seções condicionais */
.conditional-section {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    margin: 0;
}

.conditional-section.show {
    opacity: 1;
    max-height: 200px;
    margin: 15px 0;
}

/* Responsividade mobile first */
@media (max-width: 768px) {
    .main-container {
        padding: 80px 10px 20px;
    }
    
    .inscription-card {
        margin: 0 5px;
        border-radius: 8px;
    }
    
    .card-header {
        padding: 20px 15px;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 20px 15px;
    }
    
    .form-control, .form-select {
        padding: 14px 16px;
        font-size: 16px; /* Evita zoom no iOS */
    }
    
    .pix-key {
        font-size: 1rem;
        padding: 10px;
    }
    
    .copy-btn {
        padding: 14px 20px;
        font-size: 1rem;
    }
    
    .submit-btn {
        padding: 16px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: 70px 5px 15px;
    }
    
    .card-header {
        padding: 15px;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .card-body {
        padding: 15px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .value-info, .pix-section {
        padding: 15px;
        margin: 15px 0;
    }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Estados de foco melhorados */
.form-control:focus-visible,
.form-select:focus-visible,
.submit-btn:focus-visible,
.copy-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Indicadores visuais */
.required-field::after {
    content: " *";
    color: var(--danger-color);
    font-weight: bold;
}

.success-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.success-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 40px 30px;
    text-align: center;
    max-width: 500px;
    width: 100%;
    animation: slideUp 0.6s ease-out;
}

.success-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.success-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.success-text {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

/* Animações de entrada */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}