/**
 * Paula Calculadora Nutricional CSS — v1.0
 */

:root {
    --pc-red:    #ff0000;
    --pc-green:  #33cc33;
    --pc-yellow: #fbbf24;
    --pc-dark:   #1a202c;
    --pc-gray:   #4a5568;
    --pc-light:  #f8fafc;
    --pc-white:  #ffffff;
}

/* =====================================================
   CONTENEDOR
   ===================================================== */

.paula-calc {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 48px;
    color: var(--pc-dark);
    background: #ffffff;
    border-radius: 24px;
    border: 1px solid #e2e8f0;
    box-shadow:
        0 4px 6px rgba(0,0,0,0.04),
        0 10px 30px rgba(0,0,0,0.07),
        0 20px 60px rgba(0,0,0,0.04);
}

/* =====================================================
   HEADER
   ===================================================== */

.pc-header {
    text-align: center;
    margin-bottom: 36px;
}

.pc-pill {
    display: inline-block;
    padding: 8px 24px;
    background: linear-gradient(135deg, var(--pc-red) 0%, var(--pc-yellow) 50%, var(--pc-green) 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    border-radius: 50px;
    letter-spacing: 1px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.pc-title {
    font-size: 32px;
    font-weight: 800;
    margin: 0 0 10px;
    line-height: 1.2;
}

.pc-subtitle {
    font-size: 16px;
    color: var(--pc-gray);
    margin: 0;
}

/* =====================================================
   TABS MODO
   ===================================================== */

.pc-tabs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.pc-tab {
    padding: 12px 24px;
    border-radius: 50px;
    border: 2px solid #e2e8f0;
    background: #fff;
    font-size: 15px;
    font-weight: 600;
    color: var(--pc-gray);
    cursor: pointer;
    transition: all 0.25s ease;
}

.pc-tab:hover {
    border-color: var(--pc-green);
    color: var(--pc-green);
}

.pc-tab.active {
    background: var(--pc-green);
    border-color: var(--pc-green);
    color: #fff;
    box-shadow: 0 4px 14px rgba(51,204,51,0.3);
}

/* =====================================================
   FORMULARIO
   ===================================================== */

.pc-form-wrap {
    background: #fff;
    border-radius: 20px;
    padding: 36px 32px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    margin-bottom: 32px;
}

.pc-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid #e2e8f0;
}

.pc-section:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.pc-section-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pc-badge-green {
    font-size: 12px;
    font-weight: 600;
    background: rgba(51,204,51,0.1);
    color: var(--pc-green);
    border: 1px solid rgba(51,204,51,0.3);
    padding: 3px 10px;
    border-radius: 20px;
}

.pc-section-desc {
    font-size: 14px;
    color: var(--pc-gray);
    margin: -8px 0 16px;
    line-height: 1.5;
}

/* Grid de campos */
.pc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 18px;
}

.pc-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--pc-gray);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pc-input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--pc-light);
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 14px;
    transition: border-color 0.2s;
}

.pc-input-wrap:focus-within {
    border-color: var(--pc-green);
}

.pc-input-wrap input {
    border: none;
    background: transparent;
    font-size: 18px;
    font-weight: 700;
    width: 80px;
    outline: none;
    color: var(--pc-dark);
}

.pc-unit {
    font-size: 13px;
    color: var(--pc-gray);
    font-weight: 500;
}

/* Toggles sexo */
.pc-toggle-group {
    display: flex;
    gap: 8px;
}

.pc-toggle {
    flex: 1;
    padding: 10px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background: var(--pc-light);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--pc-gray);
}

.pc-toggle.active {
    background: var(--pc-green);
    border-color: var(--pc-green);
    color: #fff;
}

/* =====================================================
   DÍAS EJERCICIO
   ===================================================== */

.pc-dias-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.pc-dias-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 10px;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    background: var(--pc-light);
    cursor: pointer;
    transition: all 0.25s;
    gap: 4px;
}

.pc-dias-btn:hover {
    border-color: var(--pc-green);
    transform: translateY(-2px);
}

.pc-dias-btn.active {
    border-color: var(--pc-green);
    background: rgba(51,204,51,0.08);
    box-shadow: 0 4px 14px rgba(51,204,51,0.2);
}

.pc-dias-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--pc-dark);
    line-height: 1;
}

.pc-dias-btn.active .pc-dias-num { color: var(--pc-green); }

.pc-dias-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--pc-gray);
}

.pc-dias-sub {
    font-size: 11px;
    color: var(--pc-gray);
}

/* Beneficios */
.pc-beneficios {
    background: var(--pc-light);
    border-radius: 12px;
    padding: 16px;
}

.pc-ben-title {
    font-size: 13px;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--pc-dark);
}

.pc-ben-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.pc-ben {
    font-size: 12px;
    padding: 8px 10px;
    border-radius: 10px;
    background: #e2e8f0;
    color: #a0aec0;
    transition: all 0.35s ease;
    text-align: center;
    border: 1px solid transparent;
    font-weight: 500;
}

.pc-ben.active {
    background: rgba(51,204,51,0.12);
    color: var(--pc-green);
    border-color: rgba(51,204,51,0.35);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(51,204,51,0.12);
}

/* Animación al activarse */
.pc-ben.active {
    animation: pcBenPop 0.35s ease-out;
}

@keyframes pcBenPop {
    0%   { transform: scale(0.9); opacity: 0.5; }
    60%  { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 768px) {
    .pc-ben-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =====================================================
   BOTÓN CALCULAR
   ===================================================== */

.pc-btn-calcular {
    width: 100%;
    padding: 18px;
    background: var(--pc-red);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 28px;
}

.pc-btn-calcular:hover {
    background: var(--pc-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(51,204,51,0.3);
}

/* =====================================================
   RESULTADOS
   ===================================================== */

.pc-resultados {
    animation: pcFadeIn 0.5s ease-out;
}

@keyframes pcFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Comparación antes/después */
.pc-comparacion {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 32px;
}

.pc-comp-card {
    border-radius: 18px;
    padding: 28px 24px;
    border: 2px solid;
}

.pc-comp-sin {
    border-color: #fecaca;
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
}

.pc-comp-con {
    border-color: var(--pc-green);
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
}

.pc-comp-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 12px;
}

.pc-comp-card h3 {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin: 0 0 8px;
}

.pc-comp-rutina {
    font-size: 12px;
    color: var(--pc-gray);
    text-align: center;
    margin: 0 0 12px;
}

.pc-comp-tiempo {
    font-size: 36px;
    font-weight: 800;
    text-align: center;
    color: var(--pc-red);
    margin-bottom: 8px;
}

.pc-tiempo-verde { color: var(--pc-green) !important; }

.pc-comp-desc {
    font-size: 13px;
    color: var(--pc-gray);
    text-align: center;
    margin-bottom: 16px;
}

.pc-comp-lista {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pc-comp-lista li {
    font-size: 13px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.pc-comp-lista li:last-child { border-bottom: none; }

.pc-comp-arrow {
    font-size: 32px;
    font-weight: 700;
    color: var(--pc-green);
    text-align: center;
}

/* Detalle nutricional — cuadrante blanco completo con título dentro */
.pc-detalle {
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    box-shadow:
        0 4px 6px rgba(0,0,0,0.04),
        0 10px 30px rgba(0,0,0,0.07),
        0 20px 60px rgba(0,0,0,0.04);
    border: 1px solid #e2e8f0;
    margin-bottom: 28px;
}

.pc-detalle-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px;
}

.pc-detalle-subtitle {
    font-size: 13px;
    color: var(--pc-gray);
    margin: 0 0 24px;
    line-height: 1.5;
}

.pc-detalle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

/* Tarjeta individual con hover */
.pc-detalle-card {
    background: var(--pc-light);
    border-radius: 14px;
    padding: 18px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
    border: 2px solid transparent;
    cursor: default;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.pc-detalle-card:hover {
    border-color: var(--pc-green);
    background: #fff;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(51,204,51,0.15);
    z-index: 2;
}

.pc-detalle-icon {
    font-size: 28px;
    transition: transform 0.3s ease;
}

.pc-detalle-card:hover .pc-detalle-icon {
    transform: scale(1.2);
}

.pc-detalle-label {
    font-size: 10px;
    color: var(--pc-gray);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.pc-detalle-val {
    font-size: 18px;
    font-weight: 800;
    color: var(--pc-dark);
}

/* Tooltip hover con el POR QUÉ */
.pc-detalle-tip {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--pc-dark);
    color: #fff;
    font-size: 11px;
    line-height: 1.4;
    padding: 10px 10px;
    border-radius: 0 0 12px 12px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    text-align: center;
}

.pc-detalle-card:hover .pc-detalle-tip {
    transform: translateY(0);
}

/* Timeline */
.pc-timeline {
    background: #fff;
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    margin-bottom: 28px;
}

.pc-tl-wrap { position: relative; padding-left: 24px; }

.pc-tl-wrap::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--pc-red), var(--pc-yellow), var(--pc-green));
}

.pc-tl-item {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    position: relative;
}

.pc-tl-item:last-child { margin-bottom: 0; }

.pc-tl-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 3px;
    position: absolute;
    left: -20px;
}

.pc-dot-red    { background: var(--pc-red); }
.pc-dot-yellow { background: var(--pc-yellow); }
.pc-dot-green  { background: var(--pc-green); box-shadow: 0 0 8px rgba(51,204,51,0.5); }

.pc-tl-content strong { display: block; font-size: 15px; margin-bottom: 4px; }
.pc-tl-content p { font-size: 13px; color: var(--pc-gray); margin: 0; line-height: 1.5; }

/* CTA */
.pc-cta {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    border: 2px solid var(--pc-green);
    border-radius: 18px;
    padding: 32px;
    text-align: center;
}

.pc-cta-text {
    font-size: 17px;
    font-weight: 600;
    color: var(--pc-dark);
    margin: 0 0 20px;
    line-height: 1.5;
}

.pc-cta-btn {
    display: inline-block;
    background: var(--pc-red);
    color: #fff;
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}

.pc-cta-btn:hover {
    background: var(--pc-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(51,204,51,0.3);
    color: #fff;
}

.pc-cta-sub {
    font-size: 13px;
    color: var(--pc-gray);
    margin: 12px 0 0;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 900px) {
    .pc-detalle-grid { grid-template-columns: repeat(5, 1fr); }
}

@media (max-width: 768px) {
    .pc-title { font-size: 24px; }
    .pc-form-wrap { padding: 24px 18px; }
    .pc-detalle { padding: 24px 18px; }
    .pc-dias-grid { grid-template-columns: repeat(2, 1fr); }
    .pc-comparacion {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .pc-comp-arrow { transform: rotate(90deg); }
    .pc-tabs { gap: 8px; }
    .pc-tab { padding: 10px 16px; font-size: 13px; }
    .pc-detalle-grid { grid-template-columns: repeat(2, 1fr); }
    /* En móvil el tooltip aparece siempre visible */
    .pc-detalle-tip {
        position: static;
        transform: none;
        background: transparent;
        color: var(--pc-gray);
        font-size: 10px;
        padding: 4px 0 0;
        border-radius: 0;
    }
}

@media (max-width: 480px) {
    .pc-grid { grid-template-columns: 1fr 1fr; }
    .pc-dias-num { font-size: 26px; }
    .paula-calc { padding: 28px 18px; }
    .pc-detalle-grid { grid-template-columns: repeat(2, 1fr); }
}