/* --- Importación de Fuentes --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* --- Variables de Color (Paleta Financiera) --- */
:root {
    --primary-color: #0A2342;      /* Azul profundo (confianza) */
    --secondary-color: #2A9D8F;    /* Verde (crecimiento, dinero) */
    --accent-color: #52B788;       /* Turquesa/verde claro (energía) */
    --light-bg-color: #f4f7f6;     /* Fondo suave */
    --white-color: #ffffff;
    --text-color: #333333;
    --light-text-color: #777777;
    --error-color: #e74c3c;
}

/* --- Estilos Generales y Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* --- Contenedor Principal del Login --- */
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

/* --- Tarjeta de Login --- */
.login-card {
    background-color: var(--white-color);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 40px;
    text-align: center;
}

/* --- Header de la Tarjeta --- */
.login-header i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.login-header h2 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1.8rem;
}

.login-header p {
    color: var(--light-text-color);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

/* --- Grupos de Input --- */
.input-group {
    position: relative;
    margin-bottom: 25px;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--light-text-color);
    font-size: 1rem;
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
}

/* --- Opciones del Formulario (Checkbox y enlace) --- */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 0.9rem;
}

/* Checkbox personalizado */
.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--light-text-color);
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    background-color: #eee;
    border-radius: 4px;
    margin-right: 8px;
    display: inline-block;
    position: relative;
    transition: background-color 0.3s;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--secondary-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.forgot-password {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* --- Botón de Iniciar Sesión --- */
.login-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--secondary-color);
    border: none;
    border-radius: 8px;
    color: var(--white-color);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.login-btn:hover {
    background-color: #238b7d;
    transform: translateY(-2px);
}

.login-btn:active {
    transform: translateY(0);
}

/* --- Footer de la Tarjeta --- */
.login-footer {
    margin-top: 25px;
    font-size: 0.9rem;
    color: var(--light-text-color);
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

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

/* --- Responsividad para móviles --- */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }

    .form-options {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}