* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --accent: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --success: #4cc9f0;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    background: linear-gradient(135deg, #4361ee 0%, #7209b7 100%);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    padding: 20px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.logo span {
    color: var(--accent);
}

.back-home {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.back-home:hover {
    color: var(--accent);
}

.signup-container {
    display: flex;
    width: 100%;
    max-width: 1000px;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    margin: 80px auto 40px;
}

.signup-left {
    flex: 1;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.signup-left h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.signup-left p {
    margin-bottom: 30px;
    opacity: 0.9;
}

.features-list {
    list-style: none;
    margin-top: 20px;
}

.features-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list i {
    color: var(--accent);
    font-size: 1.2rem;
}

.signup-right {
    flex: 1.2;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.signup-header {
    text-align: center;
    margin-bottom: 30px;
}

.signup-header h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 10px;
}

.signup-header p {
    color: var(--gray);
}

.form-group {
    margin-bottom: 20px;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.input-with-icon {
    position: relative;
    width: 100%;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    z-index: 1;
}

.form-control {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

/* REMOVENDO O FORM-ROW OU DEIXANDO COMO BLOCO */
.form-row {
    display: block;
    width: 100%;
}

.form-row .form-group {
    width: 100%;
}

.password-strength {
    margin-top: 5px;
    height: 5px;
    background-color: var(--gray-light);
    border-radius: 5px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: var(--transition);
    border-radius: 5px;
}

.password-strength.weak .password-strength-bar {
    width: 30%;
    background-color: #ff4d4d;
}

.password-strength.medium .password-strength-bar {
    width: 60%;
    background-color: #ffa500;
}

.password-strength.strong .password-strength-bar {
    width: 100%;
    background-color: #4CAF50;
}

.password-hints {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 5px;
    line-height: 1.4;
}

.btn {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    width: 100%;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
    color: var(--gray);
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    border-bottom: 1px solid var(--gray-light);
}

.divider span {
    padding: 0 15px;
    font-size: 0.9rem;
}

.login-link {
    text-align: center;
    margin-top: 20px;
    color: var(--gray);
}

.login-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.login-link a:hover {
    text-decoration: underline;
}

footer {
    width: 100%;
    text-align: center;
    color: white;
    padding: 20px 0;
    margin-top: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    text-decoration: underline;
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

.error-message {
    color: #ff4d4d;
    font-size: 0.8rem;
    margin-top: 5px;
    display: none;
}

/* Estilos para telas menores */
@media screen and (max-width: 992px) {
    .signup-container {
        max-width: 900px;
    }

    .signup-left {
        padding: 40px;
    }

    .signup-left h2 {
        font-size: 2rem;
    }

    .signup-right {
        padding: 35px;
    }

    .signup-header h2 {
        font-size: 1.8rem;
    }

    .features-list li {
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
        justify-content: flex-start;
    }

    header {
        position: relative;
        padding: 15px 0;
    }

    .signup-container {
        flex-direction: column;
        margin: 20px auto;
        max-width: 550px;
        border-radius: 12px;
    }
    
    .navbar {
        flex-direction: row;
        gap: 15px;
        text-align: center;
        justify-content: space-between;
    }

    .logo {
        font-size: 1.5rem;
    }

    .back-home {
        padding: 8px 15px;
        font-size: 0.9rem;
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--border-radius);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .back-home i {
        font-size: 0.9rem;
    }

    .signup-left {
        padding: 30px;
        text-align: center;
    }

    .signup-left p {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }
    
    .signup-left h2 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }
    
    .signup-header {
        margin-bottom: 20px;
    }

    .signup-header h2 {
        font-size: 1.6rem;
        margin-bottom: 5px;
    }

    .signup-header p {
        font-size: 0.9rem;
    }

    .features-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-top: 10px;
    }

    .features-list li {
        margin-bottom: 0;
        justify-content: center;
        text-align: left;
        font-size: 0.9rem;
    }
    
    .signup-right {
        padding: 30px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    .form-group label {
        font-size: 0.95rem;
        margin-bottom: 5px;
    }

    .form-control {
        padding: 12px 12px 12px 40px;
        font-size: 0.95rem;
    }

    .password-hints {
        font-size: 0.75rem;
    }

    .btn {
        padding: 14px;
        font-size: 0.95rem;
    }

    .footer-links {
        gap: 15px;
    }

    .footer-links a {
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 576px) {
    body {
        padding: 5px;
    }

    .container {
        padding: 0 10px;
    }

    /* Header mais compacto */
    header {
        padding: 10px 0;
    }

    .navbar {
        flex-direction: column;
        gap: 10px;
    }

    .logo {
        font-size: 1.4rem;
    }

    .back-home {
        width: 100%;
        justify-content: center;
        padding: 10px;
    }

    /* Card de cadastro */
    .signup-container {
        margin: 15px 0;
        border-radius: 10px;
    }

    .signup-left {
        padding: 25px 20px;
    }

    .signup-left h2 {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }

    .signup-left p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .features-list {
        grid-template-columns: 1fr; /* Volta para uma coluna */
        gap: 10px;
    }

    .features-list li {
        font-size: 0.85rem;
        justify-content: flex-start;
    }

    .features-list i {
        font-size: 1rem;
        min-width: 20px;
    }

    .signup-right {
        padding: 25px 20px;
    }

    .signup-header h2 {
        font-size: 1.4rem;
    }

    .signup-header p {
        font-size: 0.85rem;
    }

    /* Formulário compacto */
    .form-group {
        margin-bottom: 15px;
    }

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 4px;
    }

    .form-control {
        padding: 12px 12px 12px 38px;
        font-size: 0.9rem;
    }

    .input-with-icon i {
        font-size: 0.9rem;
        left: 12px;
    }

    .password-strength {
        height: 4px;
        margin-top: 4px;
    }

    .password-hints {
        font-size: 0.7rem;
        line-height: 1.3;
    }

    .btn {
        padding: 12px;
        font-size: 0.9rem;
    }

    .btn-primary:hover {
        transform: none; /* Remove hover em touch */
    }

    .divider {
        margin: 20px 0;
    }

    .divider span {
        font-size: 0.8rem;
        padding: 0 10px;
    }

    .login-link {
        margin-top: 15px;
        font-size: 0.9rem;
    }

    /* Footer */
    footer {
        padding: 15px 0;
    }

    .footer-links {
        flex-direction: column;
        gap: 8px;
    }

    .footer-links a {
        font-size: 0.85rem;
        padding: 8px 0;
    }

    .copyright {
        font-size: 0.8rem;
    }
}

@media screen and (max-width: 375px) {
    .signup-left {
        padding: 20px 15px;
    }

    .signup-left h2 {
        font-size: 1.3rem;
    }

    .features-list li {
        font-size: 0.8rem;
    }

    .signup-right {
        padding: 20px 15px;
    }

    .signup-header h2 {
        font-size: 1.2rem;
    }

    .form-group {
        margin-bottom: 12px;
    }

    .form-control {
        padding: 10px 10px 10px 35px;
        font-size: 0.85rem;
    }

    .input-with-icon i {
        left: 10px;
        font-size: 0.8rem;
    }

    .password-hints {
        font-size: 0.65rem;
    }

    .btn {
        padding: 10px;
        font-size: 0.85rem;
    }

    .login-link {
        font-size: 0.8rem;
    }
}