/* ═══════════════════════════════════════════════════
    TOKENS DE LA CALCULADORA
    ═══════════════════════════════════════════════════ */
:root {
    --calc-bg:               #f4f5f7;
    --calc-surface:          #ffffff;
    --calc-surface-2:        #f9fafb;
    --calc-divider:          #dde1e8;
    --calc-border:           #cdd2db;
    --calc-text:             #111827;
    --calc-text-muted:       #5a6475;
    --calc-text-faint:       #9aa3b0;
    --calc-primary:          #0f4c81;
    --calc-primary-hover:    #0a3560;
    --calc-primary-hl:       #ddeaf7;
    --calc-accent:           #d97706;
    --calc-accent-hl:        #fef3c7;
    --calc-success:          #166534;
    --calc-success-bg:       #dcfce7;
    --calc-warning:          #92400e;
    --calc-warning-bg:       #fef3c7;
    --calc-error:            #991b1b;
    --calc-error-bg:         #fee2e2;
    --font-mono:             'DM Mono', 'Courier New', monospace;
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:  0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-focus: 0 0 0 3px rgba(15,76,129,0.25);
    --radius-sm: 0.375rem; --radius-md: 0.5rem;
    --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-full: 9999px;
    --tr: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Zona de la calculadora ── */
.calc-wrapper {
    background: var(--calc-bg);
    min-height: calc(100vh - 80px);
    padding-top: 80px; /* <--- Agrega esta línea */
}

.calc-hero {
    background: var(--calc-surface);
    border-bottom: 1px solid var(--calc-divider);
    padding: 3.5rem 1.5rem 3rem;
    text-align: center;
}
.calc-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--calc-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}
.calc-eyebrow::before, .calc-eyebrow::after {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: var(--calc-primary);
    opacity: 0.4;
}
.calc-hero h1 {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--calc-text);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    line-height: 1.15;
}
.calc-hero h1 span { color: var(--calc-primary); }
.calc-hero p {
    font-size: 1rem;
    color: var(--calc-text-muted);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.calc-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    align-items: start;
}
@media (max-width: 900px) {
    .calculator-grid { grid-template-columns: 1fr; }
    .result-sticky { position: static !important; }
}

/* ── Supuestos ── */
.assumption-bar {
    background: var(--calc-surface);
    border: 1px solid var(--calc-divider);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    box-shadow: var(--shadow-sm);
}
.assumption-label {
    font-size: 0.75rem;
    color: var(--calc-text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex-shrink: 0;
}
.assumption-fields { display: flex; flex-wrap: wrap; gap: 1rem; flex: 1; }
.assumption-field { display: flex; align-items: center; gap: 0.5rem; }
.assumption-field label { font-size: 0.75rem; color: var(--calc-text-muted); white-space: nowrap; font-weight: 600; }
.assumption-field input[type="number"] {
    width: 90px;
    padding: 6px 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--calc-surface-2);
    border: 1px solid var(--calc-border);
    border-radius: var(--radius-sm);
    color: var(--calc-text);
    transition: all var(--tr);
}
.assumption-field input[type="number"]:focus {
    border-color: var(--calc-primary);
    box-shadow: var(--shadow-focus);
    background: var(--calc-surface);
    outline: none;
}

/* ── Grid de Categorías (Nivel Senior) ── */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}
@media (max-width: 768px) {
    .categories-grid { grid-template-columns: 1fr; }
}

.category-card {
    background: var(--calc-surface);
    border: 1px solid var(--calc-divider);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--tr), border-color var(--tr);
}
.category-card:hover {
    border-color: var(--calc-border);
    box-shadow: var(--shadow-md);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--calc-divider);
}
.category-header h3 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--calc-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

/* ── Sliders minimalistas ── */
.slider-item {
    margin-bottom: 1.25rem;
}
.slider-item:last-child {
    margin-bottom: 0;
}
.slider-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.4rem;
}
.slider-name { 
    font-size: 0.82rem; 
    font-weight: 600; 
    color: var(--calc-text); 
    flex: 1; 
    line-height: 1.3; 
}
.slider-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--calc-surface-2);
    color: var(--calc-text-muted);
    border: 1px solid var(--calc-divider);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    min-width: 75px;
    text-align: center;
    transition: all var(--tr);
}
.slider-badge.active-badge {
    background: var(--calc-primary-hl);
    color: var(--calc-primary);
    border-color: rgba(15,76,129,0.2);
}
.slider-hint {
    font-size: 0.72rem;
    color: var(--calc-text-faint);
    margin-top: 0.35rem;
    line-height: 1.4;
}

.slider-minmax {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--calc-text-faint);
    font-family: var(--font-mono);
    margin-top: 0.25rem;
}
.range-wrapper { position: relative; padding: 4px 0; }
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--calc-divider);
    cursor: pointer;
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--calc-primary);
    border: 2px solid white;
    box-shadow: 0 0 0 1px var(--calc-primary), var(--shadow-sm);
    margin-top: -6px;
    transition: transform var(--tr);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--calc-primary);
    border: 2px solid white;
}

/* ── Resto de componentes (Paneles, KPI, etc.) se mantienen limpios ── */
.panel {
    background: var(--calc-surface);
    border: 1px solid var(--calc-divider);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.panel-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--calc-divider);
}
.panel-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--calc-text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.panel-body { padding: 1.25rem 1.5rem; }

.result-sticky { position: sticky; top: calc(72px + 1rem); }
.kpi-card {
    background: var(--calc-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.kpi-card::after {
    content: '';
    position: absolute;
    top: -30px; right: -30px;
    width: 120px; height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}
.kpi-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}
.kpi-value {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: #fff;
    line-height: 1;
    letter-spacing: -0.03em;
}
.kpi-unit { font-size: 1rem; font-weight: 400; color: rgba(255,255,255,0.7); margin-left: 4px; }
.kpi-sub { font-size: 0.75rem; color: rgba(255,255,255,0.55); margin-top: 0.5rem; }

/* ... Tablas y rec-cards ... */
.breakdown-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; margin-bottom: 1rem; }
.breakdown-table th { text-align: left; font-weight: 700; color: var(--calc-text-faint); text-transform: uppercase; letter-spacing: 0.06em; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--calc-divider); }
.breakdown-table th:last-child { text-align: right; }
.breakdown-table td { padding: 0.5rem 0.75rem; color: var(--calc-text-muted); border-bottom: 1px solid var(--calc-divider); }
.breakdown-table td:last-child { text-align: right; font-family: var(--font-mono); font-weight: 600; color: var(--calc-text); }
.breakdown-table tr:last-child td { border-bottom: none; }
.breakdown-table tr.total-row td { font-weight: 700; color: var(--calc-text); border-top: 2px solid var(--calc-divider); }
.breakdown-table tr.total-row td:last-child { color: var(--calc-primary); font-size: 0.88rem; }
.cat-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 0.5rem; }

.efficiency-label { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--calc-text-muted); margin-bottom: 0.5rem; }
.efficiency-bar-track { height: 8px; background: #eef0f3; border-radius: var(--radius-full); overflow: hidden; }
.efficiency-bar-fill { height: 100%; border-radius: var(--radius-full); background: linear-gradient(to right, var(--calc-success), var(--calc-accent), var(--calc-error)); width: 0; transition: width 0.5s cubic-bezier(0.16,1,0.3,1); }

.progress-ring-wrap { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.ring-container { position: relative; flex-shrink: 0; }
.ring-label-inner { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; font-family: var(--font-mono); }
.ring-percent { font-size: 15px; font-weight: 700; color: var(--calc-text); line-height: 1; }
.ring-sub { font-size: 9px; color: var(--calc-text-faint); }
.ring-meta { flex: 1; }
.ring-meta-title { font-size: 0.88rem; font-weight: 600; color: var(--calc-text); margin-bottom: 4px; }
.ring-meta-desc { font-size: 0.75rem; color: var(--calc-text-muted); line-height: 1.5; }

.benchmark-row { display: flex; align-items: center; justify-content: space-between; padding: 0.65rem 0.75rem; background: var(--calc-surface-2); border-radius: var(--radius-md); margin-bottom: 0.5rem; border: 1px solid var(--calc-divider); }
.benchmark-name { font-size: 0.78rem; color: var(--calc-text-muted); }
.benchmark-status { font-size: 0.72rem; font-weight: 700; padding: 2px 8px; border-radius: var(--radius-full); }
.benchmark-status.good { background: var(--calc-success-bg); color: var(--calc-success); }
.benchmark-status.warn { background: var(--calc-warning-bg); color: var(--calc-warning); }
.benchmark-status.bad  { background: var(--calc-error-bg);   color: var(--calc-error); }

.rec-list { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.25rem; }
.rec-card { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.75rem 1rem; background: var(--calc-surface-2); border-radius: var(--radius-md); border: 1px solid var(--calc-divider); transition: border-color var(--tr); }
.rec-card:hover { border-color: var(--calc-primary); }
.rec-icon { font-size: 1.05rem; flex-shrink: 0; margin-top: 2px; }
.rec-body { flex: 1; }
.rec-title { font-size: 0.78rem; font-weight: 700; color: var(--calc-text); margin-bottom: 2px; }
.rec-desc  { font-size: 0.72rem; color: var(--calc-text-muted); }
.rec-saving { font-family: var(--font-mono); font-size: 0.72rem; color: var(--calc-success); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

.btn-calc-primary { display: block; width: 100%; padding: 1rem; background: var(--calc-primary); color: #fff; font-family: 'Inter', sans-serif; font-size: 0.92rem; font-weight: 700; border-radius: var(--radius-md); text-align: center; text-decoration: none; transition: all var(--tr); box-shadow: 0 4px 12px rgba(15,76,129,0.25); border: none; cursor: pointer; }
.btn-calc-primary:hover { background: var(--calc-primary-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(15,76,129,0.35); }
.btn-calc-ghost { display: block; width: 100%; padding: 0.75rem; background: transparent; color: var(--calc-text-muted); font-family: 'Inter', sans-serif; font-size: 0.78rem; font-weight: 600; border-radius: var(--radius-md); text-align: center; border: 1px solid var(--calc-border); margin-top: 0.5rem; transition: all var(--tr); cursor: pointer; }
.btn-calc-ghost:hover { background: #eef0f3; color: var(--calc-text); }

.mini-chart { display: flex; align-items: flex-end; gap: 6px; height: 65px; margin-bottom: 1rem; }
.mini-bar-group { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; flex: 1; gap: 4px; height: 100%; }
.mini-bar { width: 100%; border-radius: 3px 3px 0 0; transition: height 0.4s cubic-bezier(0.16,1,0.3,1); min-height: 3px; max-height: calc(100% - 18px); }
.mini-bar-label { font-size: 9px; color: var(--calc-text-faint); font-family: var(--font-mono); }

.calc-footer-note { font-size: 0.78rem; color: var(--calc-text-faint); text-align: center; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--calc-divider); line-height: 1.7; }