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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #60a5fa 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Container principal */
.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #93c5fd);
}

/* Logo */
.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    color: #1e3a8a;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

/* Texto de boas-vindas */
.welcome-text {
    text-align: center;
    color: #3b82f6;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    color: #1e3a8a;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input[type="email"],
.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8fafc;
    color: #111827;
}

.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Checkbox + link */
.checkbox-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
}

.checkbox-wrapper input[type="checkbox"] {
    margin-right: 8px;
    accent-color: #3b82f6;
}

.checkbox-wrapper label {
    color: #6b7280;
    font-size: 14px;
    cursor: pointer;
}

.forgot-password {
    color: #3b82f6;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #1e3a8a;
}

/* Botão */
.login-button {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.login-button:hover {
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

/* Mensagens */
#errorMessage,
#successMessage {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 8px;
    display: none;
}

#errorMessage {
    color: #b91c1c;
    background: #fee2e2;
    border: 1px solid #fca5a5;
}

#successMessage {
    color: #166534;
    background: #dcfce7;
    border: 1px solid #86efac;
}

/* Link de cadastro */
.signup-link {
    text-align: center;
    color: #6b7280;
    font-size: 14px;
}

.signup-link a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.signup-link a:hover {
    color: #1e3a8a;
}

.form-group input {
    animation: fadeIn 0.8s ease-out;
}

/* Loading spinner */
.loading {
    border: 3px solid #fff;
    border-top: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

/* Container da página de saúde */
.health-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

.health-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #93c5fd);
}

/* Inputs numéricos e texto da página de saúde */
.form-group input[type="number"],
.form-group input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8fafc;
    color: #111827;
}

.form-group input[type="number"]:focus,
.form-group input[type="text"]:focus {
    outline: none;
    border-color: #3b82f6;
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Botão salvar */
.save-button {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.save-button:hover {
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

/* Responsividade */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .welcome-text {
        font-size: 20px;
    }
    
    .logo h1 {
        font-size: 24px;
    }
}

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

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

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

/* Responsividade específica */
@media (max-width: 480px) {
    .health-container {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .welcome-text {
        font-size: 20px;
    }
}