:root {
    --primary-color: #004dff; /* TiendaNube-ish blue */
    --primary-hover: #003acc;
    --bg-color: #f4f6f8;
    --text-color: #333;
    --border-color: #ddd;
}

body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
}

.registro-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.banner-side {
    flex: 1;
    background-image: url('../img/registro-bg.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: none; /* Mobile first */
}

/* Overlay for text readability on banner */
.banner-side::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 77, 255, 0.2); /* Blue tint */
}

.form-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    background: white;
    max-width: 100%;
}

.form-wrapper {
    width: 100%;
    max-width: 450px;
}

.logo-area {
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo-area svg {
    margin-right: 10px;
}

h1 {
    font-size: 2rem;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #666;
    margin-bottom: 2rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #4a4a4a;
}

.input-container {
    position: relative;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border 0.3s ease;
    box-sizing: border-box;
}

input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 77, 255, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: #666;
}

.checkbox-group input {
    margin-top: 3px;
    margin-right: 10px;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 25px; /* Rounded pill style */
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.login-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.95rem;
}

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

.progress-bar {
    height: 4px;
    background: #eee;
    margin: 20px 0;
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    width: 25%; /* Step 1 */
}

@media (min-width: 768px) {
    .banner-side {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}