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

:root {
    --primary-color: #6c63ff;
    --primary-dark: #574b90;
    --bg-white: #ffffff;
    --bg-light: #f9f6fc;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #e1e1ff;
    --radius-md: 16px;
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Body */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Container principal */
.login-container {
    width: 100%;
    max-width: 420px;
}

/* Card do formulário */
.login-box {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

/* Logo */
.login-logo {
    width: 120px;
    height: auto;
    margin-bottom: 20px;
}

/* Títulos */
.login-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 30px;
}

/* Formulário */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.form-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-input {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #fafaff;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
    background: white;
}

/* Botão */
.login-button {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(108, 99, 255, 0.3);
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    text-align: center;
    font-size: 14px;
}

.alert-success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

.alert-error {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}

/* Responsividade */
@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }

    .login-title {
        font-size: 20px;
    }

    .login-button {
        padding: 12px;
    }
}