/* RESET */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* COLORES CAMPO */
:root {
    --verde: #2E7D32;
    --rojo: #C62828;
    --marron: #6D4C41;
    --gris-fondo: #F5F5F5;
    --gris-texto: #555;
    --blanco: #FFFFFF;
}

/* BASE */
body {
    background-color: var(--gris-fondo);
    color: #222;
}

.container {
    max-width: 520px;
    margin: 0 auto;
    padding: 16px;
}

/* HEADER */
.header {
    margin-bottom: 20px;
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.subtitle {
    color: var(--gris-texto);
    font-size: 0.95rem;
}

/* CARDS */
.card {
    background-color: var(--blanco);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.card h2 {
    margin-bottom: 12px;
    font-size: 1.2rem;
    margin-top: 0;
}

/* CAMPOS */
.field {
    margin-bottom: 12px;
}

.field label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 4px;
    margin-top: 0;
    color: #333;
}

.field input {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid #ccc;
}

/* BOTÓN */
.btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    background-color: var(--verde);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    margin-bottom: 20px;
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-back {
    width: auto;
    display: inline-block;
    margin-top: 32px;
    margin-bottom: 32px;
    padding: 12px 24px;
    font-size: 1rem;
}

@media (max-width: 480px) {
    .btn-back {
        width: 100%;
        text-align: center;
        margin-top: 24px;
        margin-bottom: 24px;
    }
}

/* RESULTADOS */
.result-main {
    font-size: 1rem;
}

.result-main span {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    margin-top: 6px;
}

.result-main:last-child {
    margin-bottom: 16px;
}

/* ESCENARIOS */
.scenario {
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.scenario h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.scenario p {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.scenario strong {
    font-size: 0.95rem;
}

/* COLORES ESCENARIOS */
.scenario.good {
    background-color: #E8F5E9;
    color: var(--verde);
}

.scenario.neutral {
    background-color: #FFFDE7;
    color: #8D6E63;
}

.scenario.bad {
    background-color: #FDECEA;
    color: var(--rojo);
}

/* FOOTER */
.footer {
    margin-top: 20px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--gris-texto);
}

/* UTIL */
.hidden {
    display: none;
}

/* RESPONSIVE (pantallas grandes) */
@media (min-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
}

/* RESULTADO BALANCE FORRAJERO */
#bf_resultado {
    margin-top: 16px;
    padding: 14px;
    border-radius: 10px;
    font-size: 0.95rem;
}

#bf_resultado.ok {
    background-color: #E8F5E9;
    color: var(--verde);
}

#bf_resultado.warn {
    background-color: #FFFDE7;
    color: #8D6E63;
}

#bf_resultado.danger {
    background-color: #FDECEA;
    color: var(--rojo);
}

/* INFO BALANCE FORRAJERO */
.bf-info {
    margin-top: 10px;
    font-size: 0.75rem;
    color: var(--gris-texto);
    line-height: 1.4;
}

.field select {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid #ccc;
    background-color: white;
    color: #222;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}


.field {
    position: relative;
}

.field select {
    background-image: url("data:image/svg+xml;utf8,<svg fill='%236D4C41' height='20' viewBox='0 0 24 24' width='20' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
}

.field input:focus,
.field select:focus {
    outline: none;
    border-color: #2E7D32;
}

.link-calculadora {
    display: inline-block;
    padding: 10px 14px;
    background-color: var(--blanco);
    color: var(--verde);
    font-weight: 700;
    text-decoration: none;
    /* 🔴 saca el subrayado */
    border-radius: 10px;
    border: 2px solid var(--verde);
    font-size: 0.95rem;
}

.link-calculadora:active {
    transform: scale(0.97);
}

.tool-link {
    display: block;
    margin-top: 12px;
    padding: 14px;
    text-align: center;
    background-color: var(--verde);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    /* sin subrayado */
    border-radius: 10px;
}

.tool-link:active {
    transform: scale(0.98);
}

input[type="range"] {

    width: 100%;
    margin-bottom: 20px;

}

label {

    display: block;
    margin-top: 15px;
    font-weight: bold;

}

h2 {

    margin-top: 35px;

}