/* Variables específicas de la página de presupuesto */
:root {
    --budget-bg: #eef5ed;
    --budget-card: #ffffff;
    --budget-border: rgba(68, 138, 60, 0.18);
}

/* Layout general de página */
body {
    background: linear-gradient(165deg, #f3f8f2 0%, #e8f2e7 100%);
}

/* Cabecera del formulario */
.budget-header {
    min-height: 122px;
    padding: 18px 4%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--budget-card);
    border-bottom: 1px solid rgba(68, 138, 60, 0.12);
    box-shadow: 0 8px 20px rgba(45, 45, 45, 0.06);
}

.budget-logo {
    height: 102px;
    width: auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
}

.budget-main {
    min-height: calc(100vh - 122px);
    padding: 34px 4% 48px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Tarjeta principal y tipografía */
.budget-card {
    width: min(980px, 100%);
    background: var(--budget-card);
    border-radius: 16px;
    border: 1px solid var(--budget-border);
    box-shadow: 0 20px 38px rgba(68, 138, 60, 0.12);
    padding: 28px;
}

.budget-card h1 {
    color: var(--primary);
    margin-bottom: 6px;
    font-size: clamp(1.7rem, 3.2vw, 2.2rem);
}

.budget-subtitle {
    color: #447042;
    margin-bottom: 24px;
}

/* Rejilla de campos */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.full-width {
    grid-column: 1 / -1;
}

.budget-form label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: #2f4a2c;
    font-weight: 600;
    font-size: 0.95rem;
}

.required-label::after {
    content: "\00A0*";
    color: #b62929;
}

/* En dos columnas, evita saltos de línea en el título del campo para mantener inputs alineados. */
.form-grid > label:not(.full-width) > span {
    white-space: nowrap;
}

/* Inputs/controles de formulario */
.budget-form input,
.budget-form textarea,
.budget-form select {
    border: 1px solid rgba(68, 138, 60, 0.3);
    border-radius: 10px;
    padding: 11px 12px;
    font-size: 0.95rem;
    background: #fff;
}

/* Mantiene la misma altura visual en campos de una sola línea. */
.budget-form input,
.budget-form select {
    min-height: 46px;
    line-height: 1.25;
}

.budget-form textarea {
    resize: vertical;
}

.budget-form input:focus,
.budget-form textarea:focus,
.budget-form select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(68, 138, 60, 0.16);
    outline: none;
}

.check-row {
    margin-top: 12px;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
    font-weight: 500;
    color: #3a4f38;
}

.check-row input {
    margin-top: 2px;
}

/* Botón de envío */
.submit-btn {
    margin-top: 18px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #4d9844, #3f8538);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    padding: 13px 18px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #58a54f, #3f8538);
    transform: translateY(-1px);
}

.submit-btn[disabled] {
    opacity: 0.72;
    cursor: wait;
}

.form-status {
    margin-top: 14px;
    min-height: 24px;
    font-weight: 600;
}

.form-status.success {
    color: #2f6b2a;
}

.form-status.error {
    color: #b62929;
}

/* Campo oculto anti-spam */
.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* Ajustes responsive */
@media (max-width: 768px) {
    .budget-header {
        min-height: 95px;
        padding: 14px 5%;
    }

    .budget-logo {
        height: 74px;
    }

    .budget-main {
        padding: 24px 4% 34px;
        align-items: flex-start;
    }

    .budget-card {
        padding: 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-grid > label:not(.full-width) > span {
        white-space: normal;
    }

}