/* ===== RESET ===== */
* {
    box-sizing: border-box;
}

/* ===== BODY ===== */
body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: #f4f6f9; /* fondo suave */
    color: #333;
    overflow-x: hidden;
}

/* ===== CONTENEDOR ===== */
section {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* ===== TITULO ===== */
h2 {
    font-weight: 700;
    color: #198754; /* verde Bootstrap */
}

/* ===== CARD ===== */
.card {
    border-radius: 16px;
    transition: all 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
}

/* ===== INPUTS ===== */
.form-control {
    border-radius: 10px;
    padding: 10px;
    font-size: 14px;
}

.form-control:focus {
    border-color: #198754;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

/* ===== BOTONES ===== */
.btn {
    border-radius: 10px;
    font-weight: 500;
}

.btn-success {
    background-color: #198754;
    border: none;
}

.btn-success:hover {
    background-color: #146c43;
}

.btn-outline-secondary {
    border-width: 2px;
}

/* ===== ALERTAS ===== */
.alert {
    border-radius: 10px;
}

/* ===== RESULTADOS BOX ===== */
.result-box {
    background: #ffffff;
    border-radius: 10px;
    padding: 15px;
    border: 1px solid #dee2e6;
}

/* ===== ICONOS ===== */
.bi {
    margin-right: 5px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    section {
        padding: 20px;
    }
}