/* ========== RESET Y BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #8D6E63;
    --color-secondary: #A1887F;
    --color-accent: #6D4C41;
    --color-bg: #FDF8F0;
    --color-card: #FFFFFF;
    --color-text: #3E2723;
    --color-text-light: #6D4C41;
    --shadow: 0 8px 30px rgba(109, 76, 65, 0.12);
    --radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #f7efe8 0%, #f4ebdf 35%, #f1e7dd 100%);
    color: var(--color-text);
    min-height: 100vh;
    padding: 24px 16px;
}

/* ========== CONTENEDOR APP ========== */
#app {
    max-width: 480px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(141, 110, 99, 0.08);
    border-radius: 28px;
    min-height: 90vh;
    position: relative;
    box-shadow: 0 20px 50px rgba(109, 76, 65, 0.12);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

/* ========== PANTALLAS ========== */
.pantalla {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
    padding: 18px 20px 30px;
}

.pantalla.activa {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== ENCABEZADO ========== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(141, 110, 99, 0.15);
}

.header-left h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.header-left .fecha {
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 500;
    opacity: 0.7;
    margin-top: 2px;
}

.header-icon {
    background: linear-gradient(135deg, rgba(141, 110, 99, 0.12), rgba(141, 110, 99, 0.2));
    padding: 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: inset 0 0 0 1px rgba(141, 110, 99, 0.06);
}

.header-icon:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 22px rgba(141, 110, 99, 0.16);
}

.config-menu {
    overflow: hidden;
    transition: max-height 0.25s ease, opacity 0.2s ease, margin 0.2s ease;
    opacity: 0;
    max-height: 0;
    margin: 0;
}

.config-menu.abierto {
    max-height: 1000px;
    opacity: 1;
    margin-bottom: 18px;
    overflow-y: visible;
}

.config-menu.oculto {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0;
}

.config-panel {
    background: linear-gradient(180deg, rgba(141, 110, 99, 0.04), rgba(141, 110, 99, 0.02));
    border: 1px solid rgba(141, 110, 99, 0.12);
    border-radius: 18px;
    padding: 14px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
}

.fila-config {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.fila-config:last-child {
    margin-bottom: 0;
}

.fila-config label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light);
    flex: 1;
}

.valor-inline {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
}

.valor-inline span {
    font-weight: 700;
    color: var(--color-accent);
}

/* ========== BOTÓN VOLVER ========== */
.btn-back {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    transition: var(--transition);
}

.btn-back:hover {
    color: var(--color-accent);
    transform: translateX(-4px);
}

/* ========== TARJETA RESUMEN (CUADERNO) ========== */
.card-cuaderno {
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.94));
    border-radius: 22px;
    padding: 20px;
    box-shadow: 0 18px 30px rgba(109, 76, 65, 0.08);
    border: 1.5px solid rgba(141, 110, 99, 0.15);
    margin-bottom: 24px;
}

.card-cuaderno .card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.card-cuaderno .divider {
    border: none;
    border-top: 1.5px solid rgba(141, 110, 99, 0.15);
    margin: 8px 0 12px;
}

.fila-cuaderno {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 15px;
    color: var(--color-text);
}

.fila-cuaderno .label {
    font-weight: 500;
    color: var(--color-text-light);
}

.fila-cuaderno .value {
    font-weight: 600;
}

.fila-cuaderno.total {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-accent);
    border-top: 2px solid rgba(141, 110, 99, 0.2);
    padding-top: 12px;
    margin-top: 4px;
}

.fila-cuaderno.total .label,
.fila-cuaderno.total .value {
    color: var(--color-accent);
}

.fila-cuaderno.editable-row {
    align-items: center;
    gap: 10px;
}

.fila-cuaderno.editable-row .label {
    flex: 1;
}

.valor-editable {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    min-width: 140px;
}

.input-costo,
.input-porcentaje,
.select-moneda,
.input-textarea {
    width: 100%;
    border: 1.5px solid rgba(141, 110, 99, 0.2);
    border-radius: 10px;
    background: #fff;
    color: var(--color-text);
    font-size: 14px;
    padding: 8px 10px;
    font-family: 'Inter', sans-serif;
}

.input-costo,
.input-porcentaje {
    max-width: 110px;
    text-align: right;
}

.select-moneda {
    max-width: 120px;
    text-align: center;
}

.input-textarea {
    min-height: 86px;
    max-width: none;
    resize: vertical;
    text-align: left;
}

.porcentaje-wrap {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.simbolo-porcentaje {
    font-weight: 700;
    color: var(--color-accent);
    min-width: 12px;
}

/* ========== BOTONES ACCIÓN ========== */
.grid-botones {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 20px 0 16px;
}

.grid-botones.exportar {
    margin-top: 8px;
}

.btn-accion {
    background: linear-gradient(135deg, var(--color-primary), #a17f72);
    color: white;
    border: none;
    padding: 16px 12px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 10px 18px rgba(141, 110, 99, 0.22);
}

.btn-accion:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 22px rgba(141, 110, 99, 0.3);
}

.btn-accion:active {
    transform: translateY(0);
}

.btn-accion.materiales {
    background: linear-gradient(135deg, var(--color-secondary), #b79f96);
}

.btn-accion .icono {
    font-size: 20px;
}

/* ========== PIE ========== */
.footer-note {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-light);
    opacity: 0.6;
    font-style: italic;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(141, 110, 99, 0.08);
}

/* ========== FORMULARIOS (Hilos y Materiales) ========== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid rgba(141, 110, 99, 0.18);
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(180deg, #ffffff, #fefaf7);
    transition: var(--transition);
    color: var(--color-text);
    box-shadow: inset 0 1px 2px rgba(109, 76, 65, 0.03);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(141, 110, 99, 0.1), inset 0 1px 2px rgba(109, 76, 65, 0.03);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn-agregar {
    background: linear-gradient(135deg, var(--color-accent), #815f54);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin: 8px 0 16px;
    box-shadow: 0 10px 18px rgba(109, 76, 65, 0.18);
}

.btn-agregar:hover {
    transform: translateY(-1px) scale(1.01);
    opacity: 0.96;
}

/* ========== LISTA DE ÍTEMS AGREGADOS ========== */
.lista-items {
    background: linear-gradient(180deg, rgba(141, 110, 99, 0.04), rgba(141, 110, 99, 0.02));
    border-radius: 12px;
    padding: 12px;
    margin: 12px 0;
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid rgba(141, 110, 99, 0.08);
}

.item-lista {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 10px 10px;
    border-bottom: 1px solid rgba(141, 110, 99, 0.08);
    font-size: 14px;
}

.item-lista:last-child {
    border-bottom: none;
}

.item-lista .nombre {
    font-weight: 500;
    flex: 1;
    min-width: 0;
    color: var(--color-text);
}

.item-lista .costo {
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

.item-lista .btn-eliminar {
    background: rgba(231, 76, 60, 0.08);
    border: none;
    color: #e74c3c;
    cursor: pointer;
    font-size: 16px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    padding: 0;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.item-lista .btn-eliminar:hover {
    transform: scale(1.12);
    background: rgba(231, 76, 60, 0.12);
}

/* ========== TOTALES EN PANTALLAS SECUNDARIAS ========== */
.total-destacado {
    background: linear-gradient(135deg, var(--color-accent), #7d5a50);
    color: white;
    padding: 14px 18px;
    border-radius: 14px;
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 700;
    margin: 12px 0 20px;
    box-shadow: 0 12px 24px rgba(109, 76, 65, 0.18);
}

/* ========== SCROLLBAR PERSONALIZADA ========== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 10px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 500px) {
    #app {
        min-height: 95vh;
        padding: 0;
    }
    .pantalla {
        padding: 12px 16px 20px;
    }
    .header-left h1 {
        font-size: 24px;
    }
    .grid-botones {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ========== PDF EXPORT STYLES ========== */

/* Wrapper that contains the cloned summary used for PDF generation */
.pdf-wrapper {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
}

/* Styles applied to the cloned summary to make the PDF clean and printable */
.pdf-export {
    background: #ffffff !important;
    color: #111111 !important;
    width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    padding: 20px !important;
    border-radius: 6px !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
}

/* Hide interactive/unnecessary elements inside the cloned export */
.pdf-export .btn-accion,
.pdf-export .btn-back,
.pdf-export .header-icon,
.pdf-export .config-menu,
.pdf-export .lista-items,
.pdf-export .item-lista .btn-eliminar,
.pdf-export .footer-note,
.pdf-export .header-left .fecha {
    display: none !important;
}

/* Tweak card styles for print */
.pdf-export .card-cuaderno {
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
}

.pdf-export .card-title {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #222 !important;
    margin-bottom: 8px !important;
}

.pdf-export .fila-cuaderno {
    padding: 6px 0 !important;
    font-size: 14px !important;
    color: #222 !important;
}

.pdf-export .fila-cuaderno .label {
    color: #444 !important;
    font-weight: 600 !important;
}

.pdf-export .fila-cuaderno .value {
    font-weight: 700 !important;
    color: #111 !important;
}

.pdf-export .fila-cuaderno.total {
    font-size: 16px !important;
    font-weight: 800 !important;
    color: #111 !important;
    border-top: 1px solid #e6e6e6 !important;
    padding-top: 10px !important;
    margin-top: 6px !important;
}

/* Ensure any lists inside the summary look clean in print */
.pdf-export .lista-items,
.pdf-export .item-lista {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.pdf-export .item-lista .costo {
    color: #111 !important;
}

/* Force page-breaks if the cloned content is large */
.pdf-export {
    page-break-inside: avoid !important;
}

/* Media print fallback in case html2pdf respects print rules */
@media print {
    body * { visibility: hidden; }
    .pdf-wrapper, .pdf-wrapper * { visibility: visible; }
    .pdf-wrapper { position: absolute; left: 0; top: 0; }
}