/* Archivo: styles.css */
@charset "UTF-8";

/* Variables de color para fácil personalización */
:root {
    --primary-color: #005c97;
    --secondary-color: #363795;
    --background-color: #f4f7fc;
    --card-background: #ffffff;
    --text-color: #333;
    --text-light: #666;
    --error-color: #d93025;
    --border-color: #ddd;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Roboto', 'Arial', sans-serif;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
    color: var(--text-color);
}

.login-container {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 420px;
    text-align: center;
    transition: transform 0.3s ease;
}

.login-container:hover {
    transform: translateY(-5px);
}

.login-header {
    margin-bottom: 2rem;
}

.logo {
    width: 70px;
    height: auto;
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-light);
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 92, 151, 0.2);
}

.submit-btn {
    width: 100%;
    padding: 0.9rem;
    border: none;
    border-radius: 8px;
    background-color: var(--primary-color);
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.submit-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.error-message {
    background-color: rgba(217, 48, 37, 0.1);
    color: var(--error-color);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: none; /* Oculto por defecto */
    text-align: center;
}

.error-message.active {
    display: block; /* Visible cuando tiene la clase 'active' */
}