/**
 * CCFL — Calculadora Huella de Carbono
 * Estilos completamente namespaceados bajo #ccfl-app
 * Sin dependencias de Bootstrap ni del tema activo.
 *
 * Paleta: verde institucional ESG + neutros oscuros
 * Tipografía: system-ui (sin CDN) para máxima velocidad
 */

/* ============================================================
   VARIABLES CUSTOM PROPERTIES (aisladas al componente)
   ============================================================ */
#ccfl-app {
    --ccfl-green-900:  #0a3d25;
    --ccfl-green-700:  #0f5a32;
    --ccfl-green-500:  #22a05e;
    --ccfl-green-300:  #5ccb8e;
    --ccfl-green-100:  #d4f5e5;
    --ccfl-green-50:   #f0fdf7;

    --ccfl-gray-900:   #111827;
    --ccfl-gray-700:   #374151;
    --ccfl-gray-500:   #6b7280;
    --ccfl-gray-300:   #d1d5db;
    --ccfl-gray-100:   #f3f4f6;
    --ccfl-gray-50:    #f9fafb;

    --ccfl-orange:     #c05621;
    --ccfl-orange-bg:  #fff7ed;
    --ccfl-red:        #dc2626;
    --ccfl-red-bg:     #fef2f2;

    --ccfl-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --ccfl-font-mono:  'SF Mono', 'Fira Code', 'Consolas', monospace;

    --ccfl-radius-sm:  6px;
    --ccfl-radius-md:  10px;
    --ccfl-radius-lg:  16px;

    --ccfl-shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --ccfl-shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
    --ccfl-shadow-lg:  0 10px 30px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);

    --ccfl-transition: 200ms cubic-bezier(.4,0,.2,1);
}

/* ============================================================
   WRAPPER PRINCIPAL
   ============================================================ */
#ccfl-app {
    font-family:  var(--ccfl-font);
    font-size:    15px;
    line-height:  1.6;
    color:        var(--ccfl-gray-900);
    max-width:    1100px;
    margin:       0 auto 2rem;
    background:   transparent;
    -webkit-font-smoothing: antialiased;
}

#ccfl-app *,
#ccfl-app *::before,
#ccfl-app *::after {
    box-sizing: border-box;
}

/* ============================================================
   HEADER
   ============================================================ */
#ccfl-app .ccfl-header {
    background:    linear-gradient(135deg, var(--ccfl-green-900) 0%, var(--ccfl-green-700) 100%);
    border-radius: var(--ccfl-radius-lg) var(--ccfl-radius-lg) 0 0;
    padding:       2rem 2.5rem 1.75rem;
    position:      relative;
    overflow:      hidden;
}

#ccfl-app .ccfl-header::before {
    content:       '';
    position:      absolute;
    top:           -40px; right: -40px;
    width:         180px; height: 180px;
    background:    rgba(255,255,255,.04);
    border-radius: 50%;
}

#ccfl-app .ccfl-header-badge {
    display:        inline-block;
    background:     rgba(255,255,255,.15);
    color:          rgba(255,255,255,.9);
    font-size:      11px;
    font-weight:    700;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding:        3px 10px;
    border-radius:  20px;
    border:         1px solid rgba(255,255,255,.25);
    margin-bottom:  .75rem;
}

#ccfl-app .ccfl-title {
    margin:      0 0 .4rem !important;
    font-size:   clamp(1.3rem, 2.5vw, 1.75rem) !important;
    font-weight: 700 !important;
    color:       #fff !important;
    line-height: 1.2 !important;
}

#ccfl-app .ccfl-subtitle {
    margin:    0 !important;
    font-size: 13px !important;
    color:     rgba(255,255,255,.7) !important;
}

/* ============================================================
   BODY — Grid 2 columnas
   ============================================================ */
#ccfl-app .ccfl-body {
    display:               grid;
    grid-template-columns: 1fr 1fr;
    min-height:            500px;
    background:            #fff;
    border-radius:         0 0 var(--ccfl-radius-lg) var(--ccfl-radius-lg);
    box-shadow:            var(--ccfl-shadow-lg);
    overflow:              hidden;
    border:                1px solid var(--ccfl-gray-300);
    border-top:            none;
}

/* ============================================================
   PANEL FORMULARIO (izquierda)
   ============================================================ */
#ccfl-app .ccfl-form-panel {
    padding:           1.75rem;
    border-right:      1px solid var(--ccfl-gray-100);
    background:        var(--ccfl-gray-50);
    display:           flex;
    flex-direction:    column;
    gap:               1.25rem;
}

/* ============================================================
   AVISO API
   ============================================================ */
#ccfl-app .ccfl-api-notice {
    background:    var(--ccfl-orange-bg);
    border:        1px solid #f59e0b;
    border-radius: var(--ccfl-radius-sm);
    padding:       .6rem .9rem;
    font-size:     12.5px;
    color:         var(--ccfl-orange);
    display:       flex;
    gap:           .5rem;
    align-items:   flex-start;
}

#ccfl-app .ccfl-notice-icon { font-size: 14px; }

/* ============================================================
   GRUPOS DE CAMPO
   ============================================================ */
#ccfl-app .ccfl-field-group { display: flex; flex-direction: column; gap: .5rem; }

#ccfl-app .ccfl-label {
    font-size:   13px;
    font-weight: 600;
    color:       var(--ccfl-gray-700);
    display:     flex;
    align-items: center;
    gap:         .5rem;
}

#ccfl-app .ccfl-step {
    display:       inline-flex;
    align-items:   center;
    justify-content: center;
    width:         22px; height: 22px;
    background:    var(--ccfl-green-700);
    color:         #fff;
    font-size:     10px;
    font-weight:   700;
    border-radius: 50%;
    flex-shrink:   0;
}

/* ============================================================
   RADIO CARDS
   ============================================================ */
#ccfl-app .ccfl-radio-cards {
    display:   grid;
    grid-template-columns: repeat(3, 1fr);
    gap:       .5rem;
}

#ccfl-app .ccfl-radio-card { cursor: pointer; }

#ccfl-app .ccfl-radio-card input[type="radio"] { display: none; }

#ccfl-app .ccfl-card-content {
    border:        2px solid var(--ccfl-gray-300);
    border-radius: var(--ccfl-radius-md);
    padding:       .75rem .5rem;
    text-align:    center;
    transition:    all var(--ccfl-transition);
    background:    #fff;
}

#ccfl-app .ccfl-radio-card:hover .ccfl-card-content {
    border-color:  var(--ccfl-green-500);
    background:    var(--ccfl-green-50);
}

#ccfl-app .ccfl-radio-card.ccfl-card--active .ccfl-card-content {
    border-color:  var(--ccfl-green-700);
    background:    var(--ccfl-green-50);
    box-shadow:    0 0 0 3px rgba(15,90,50,.12);
}

#ccfl-app .ccfl-card-icon  { font-size: 1.5rem; margin-bottom: .25rem; }
#ccfl-app .ccfl-card-label { font-size: 12px; font-weight: 700; color: var(--ccfl-gray-900); }
#ccfl-app .ccfl-card-sub   { font-size: 10.5px; color: var(--ccfl-gray-500); }

/* ============================================================
   INPUTS
   ============================================================ */
#ccfl-app .ccfl-input-wrap {
    position: relative; display: flex; align-items: center;
}

#ccfl-app .ccfl-input {
    width:         100%;
    padding:       .6rem 3.5rem .6rem .85rem;
    border:        2px solid var(--ccfl-gray-300);
    border-radius: var(--ccfl-radius-sm);
    font-size:     15px;
    font-family:   var(--ccfl-font);
    color:         var(--ccfl-gray-900);
    background:    #fff;
    transition:    border-color var(--ccfl-transition), box-shadow var(--ccfl-transition);
    -moz-appearance: textfield;
}
#ccfl-app .ccfl-input::-webkit-inner-spin-button,
#ccfl-app .ccfl-input::-webkit-outer-spin-button { -webkit-appearance: none; }
#ccfl-app .ccfl-input:focus {
    outline:      none;
    border-color: var(--ccfl-green-500);
    box-shadow:   0 0 0 3px rgba(34,160,94,.15);
}

#ccfl-app .ccfl-input-unit {
    position:  absolute; right: .75rem;
    font-size: 12px; color: var(--ccfl-gray-500); font-weight: 600;
    pointer-events: none;
}

#ccfl-app .ccfl-hint {
    font-size: 11.5px; color: var(--ccfl-gray-500);
    margin:    0 !important;
}

/* ============================================================
   SELECT
   ============================================================ */
#ccfl-app .ccfl-select {
    width:         100%;
    padding:       .6rem .85rem;
    border:        2px solid var(--ccfl-gray-300);
    border-radius: var(--ccfl-radius-sm);
    font-size:     14px;
    font-family:   var(--ccfl-font);
    color:         var(--ccfl-gray-900);
    background:    #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right .85rem center;
    appearance:    none;
    cursor:        pointer;
    transition:    border-color var(--ccfl-transition);
}
#ccfl-app .ccfl-select:focus {
    outline:      none;
    border-color: var(--ccfl-green-500);
    box-shadow:   0 0 0 3px rgba(34,160,94,.15);
}

/* ============================================================
   SLIDER
   ============================================================ */
#ccfl-app .ccfl-slider-wrap { display: flex; flex-direction: column; gap: .4rem; }

#ccfl-app .ccfl-slider {
    -webkit-appearance: none;
    width:         100%; height: 6px;
    border-radius: 3px;
    background:    linear-gradient(to right, var(--ccfl-green-500) 20%, var(--ccfl-gray-300) 20%);
    cursor:        pointer;
    outline:       none;
    border:        none;
    padding:       0;
}
#ccfl-app .ccfl-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background:   var(--ccfl-green-700);
    cursor:       pointer;
    border:       3px solid #fff;
    box-shadow:   var(--ccfl-shadow-sm);
    transition:   transform var(--ccfl-transition);
}
#ccfl-app .ccfl-slider::-webkit-slider-thumb:active { transform: scale(1.2); }
#ccfl-app .ccfl-slider::-moz-range-thumb {
    width: 18px; height: 18px; border-radius: 50%;
    background: var(--ccfl-green-700); cursor: pointer;
    border: 3px solid #fff; box-shadow: var(--ccfl-shadow-sm);
}

#ccfl-app .ccfl-slider-labels {
    display:         flex;
    justify-content: space-between;
    font-size:       11px;
    color:           var(--ccfl-gray-500);
}

#ccfl-app #ccfl-empty-value {
    font-weight: 700;
    color:       var(--ccfl-green-700);
}

/* ============================================================
   BOTÓN PRINCIPAL
   ============================================================ */
#ccfl-app .ccfl-btn-primary {
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             .5rem;
    width:           100%;
    padding:         .85rem 1.5rem;
    background:      linear-gradient(135deg, var(--ccfl-green-700), var(--ccfl-green-500));
    color:           #fff;
    border:          none;
    border-radius:   var(--ccfl-radius-md);
    font-size:       15px;
    font-weight:     700;
    font-family:     var(--ccfl-font);
    cursor:          pointer;
    transition:      all var(--ccfl-transition);
    box-shadow:      0 4px 12px rgba(15,90,50,.3);
    margin-top:      auto;
    position:        relative;
    overflow:        hidden;
}
#ccfl-app .ccfl-btn-primary:hover {
    transform:  translateY(-1px);
    box-shadow: 0 6px 18px rgba(15,90,50,.4);
}
#ccfl-app .ccfl-btn-primary:active { transform: translateY(0); }
#ccfl-app .ccfl-btn-primary.ccfl-btn--loading { opacity: .75; cursor: wait; }

#ccfl-app .ccfl-btn-icon { font-size: 16px; transition: transform var(--ccfl-transition); }
#ccfl-app .ccfl-btn-primary:hover .ccfl-btn-icon { transform: translateX(3px); }

/* ============================================================
   ERRORES DE FORMULARIO
   ============================================================ */
#ccfl-app .ccfl-form-error {
    background:    var(--ccfl-red-bg);
    border:        1px solid #fca5a5;
    border-radius: var(--ccfl-radius-sm);
    padding:       .6rem .9rem;
    font-size:     13px;
    color:         var(--ccfl-red);
}

/* ============================================================
   PANEL DE RESULTADOS (derecha)
   ============================================================ */
#ccfl-app .ccfl-results-panel {
    padding:        1.75rem;
    display:        flex;
    flex-direction: column;
    background:     #fff;
    transition:     all var(--ccfl-transition);
}

#ccfl-app .ccfl-results--visible { animation: ccfl-fade-in .3s ease; }

@keyframes ccfl-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Placeholder inicial */
#ccfl-app .ccfl-results-placeholder {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center; color: var(--ccfl-gray-500);
    gap: 1rem;
}
#ccfl-app .ccfl-placeholder-icon { font-size: 3rem; opacity: .5; }

/* ============================================================
   RESULTADOS INTERNOS
   ============================================================ */
#ccfl-app .ccfl-results-inner { display: flex; flex-direction: column; gap: 1.25rem; height: 100%; }

#ccfl-app .ccfl-results-header { border-bottom: 1px solid var(--ccfl-gray-100); padding-bottom: .75rem; }
#ccfl-app .ccfl-results-title {
    margin: 0 0 .25rem !important; font-size: 1rem !important;
    font-weight: 700 !important; color: var(--ccfl-gray-900) !important;
}
#ccfl-app .ccfl-results-meta { font-size: 12px; color: var(--ccfl-gray-500); }

/* MÉTRICAS GRID */
#ccfl-app .ccfl-metrics-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: .75rem;
}

#ccfl-app .ccfl-metric {
    border-radius: var(--ccfl-radius-md);
    padding:       1rem;
    text-align:    center;
}

#ccfl-app .ccfl-metric--primary {
    grid-column:   1 / -1;
    background:    linear-gradient(135deg, var(--ccfl-green-900), var(--ccfl-green-700));
    color:         #fff;
}
#ccfl-app .ccfl-metric--secondary {
    background: var(--ccfl-green-50);
    border:     1px solid var(--ccfl-green-100);
}
#ccfl-app .ccfl-metric--tertiary {
    background: var(--ccfl-gray-100);
}

#ccfl-app .ccfl-metric-label {
    font-size:   10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    opacity: .75;
    margin-bottom: .4rem;
}
#ccfl-app .ccfl-metric--primary .ccfl-metric-label { color: rgba(255,255,255,.8); opacity: 1; }

#ccfl-app .ccfl-metric-value {
    font-size:   1.8rem;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
#ccfl-app .ccfl-metric--primary .ccfl-metric-value { color: #fff; }
#ccfl-app .ccfl-metric--secondary .ccfl-metric-value { color: var(--ccfl-green-700); }

#ccfl-app .ccfl-metric-unit {
    font-size: 11px;
    margin-top: .3rem;
    opacity:   .65;
}

#ccfl-app .ccfl-metric-benchmark {
    margin-top:    .4rem;
    font-size:     11px;
    font-weight:   700;
    padding:       2px 8px;
    border-radius: 20px;
    display:       inline-block;
}
#ccfl-app .ccfl-bench--above { background: #fee2e2; color: var(--ccfl-red); }
#ccfl-app .ccfl-bench--below { background: var(--ccfl-green-100); color: var(--ccfl-green-700); }

/* DESGLOSE WTT/TTW */
#ccfl-app .ccfl-breakdown {
    background:    var(--ccfl-gray-50);
    border-radius: var(--ccfl-radius-md);
    padding:       1rem;
}
#ccfl-app .ccfl-breakdown-title {
    font-size: 12px !important; font-weight: 700 !important;
    text-transform: uppercase; letter-spacing: .06em;
    color: var(--ccfl-gray-500) !important; margin: 0 0 .75rem !important;
}

#ccfl-app .ccfl-breakdown-bar-wrap {
    display:       flex;
    border-radius: 6px;
    overflow:      hidden;
    height:        28px;
    margin-bottom: .75rem;
}
#ccfl-app .ccfl-bar-segment {
    display:         flex;
    align-items:     center;
    justify-content: center;
    transition:      width .6s cubic-bezier(.4,0,.2,1);
    font-size:       11px;
    font-weight:     700;
    color:           #fff;
    min-width:       0;
    overflow:        hidden;
}
#ccfl-app .ccfl-bar--wtt { background: var(--ccfl-green-700); }
#ccfl-app .ccfl-bar--ttw { background: var(--ccfl-green-300); color: var(--ccfl-green-900); }

#ccfl-app .ccfl-breakdown-legend { display: flex; flex-direction: column; gap: .4rem; }
#ccfl-app .ccfl-legend-item {
    display: flex; align-items: center; gap: .5rem;
    font-size: 12.5px; color: var(--ccfl-gray-700);
}
#ccfl-app .ccfl-dot {
    width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
#ccfl-app .ccfl-dot--wtt { background: var(--ccfl-green-700); }
#ccfl-app .ccfl-dot--ttw { background: var(--ccfl-green-300); }

/* DETALLE DE VIAJE */
#ccfl-app .ccfl-trip-detail {
    border:        1px solid var(--ccfl-gray-200);
    border-radius: var(--ccfl-radius-md);
    overflow:      hidden;
}
#ccfl-app .ccfl-trip-row {
    display:         flex;
    justify-content: space-between;
    align-items:     center;
    padding:         .5rem .85rem;
    font-size:       13px;
    border-bottom:   1px solid var(--ccfl-gray-100);
}
#ccfl-app .ccfl-trip-row:last-child { border-bottom: none; }
#ccfl-app .ccfl-trip-row--muted { color: var(--ccfl-gray-500); font-size: 11.5px; }
#ccfl-app .ccfl-trip-row strong { color: var(--ccfl-gray-900); }

/* BOTÓN PDF */
#ccfl-app .ccfl-btn-pdf {
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             .5rem;
    width:           100%;
    padding:         .85rem;
    background:      #fff;
    color:           var(--ccfl-green-700);
    border:          2px solid var(--ccfl-green-700);
    border-radius:   var(--ccfl-radius-md);
    font-size:       14px;
    font-weight:     700;
    font-family:     var(--ccfl-font);
    cursor:          pointer;
    transition:      all var(--ccfl-transition);
    margin-top:      auto;
}
#ccfl-app .ccfl-btn-pdf:hover {
    background:  var(--ccfl-green-700);
    color:       #fff;
}
#ccfl-app .ccfl-btn-pdf:disabled { opacity: .6; cursor: wait; }
#ccfl-app .ccfl-pdf-note {
    font-size: 10.5px !important; color: var(--ccfl-gray-500) !important;
    text-align: center; margin: .25rem 0 0 !important;
}

/* ESTADOS DE CARGA Y ERROR */
#ccfl-app .ccfl-loading {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 1rem;
    color: var(--ccfl-gray-500); font-size: 14px;
}
#ccfl-app .ccfl-spinner {
    width: 32px; height: 32px;
    border:       3px solid var(--ccfl-gray-200);
    border-top:   3px solid var(--ccfl-green-500);
    border-radius: 50%;
    animation:    ccfl-spin .7s linear infinite;
}
@keyframes ccfl-spin { to { transform: rotate(360deg); } }

#ccfl-app .ccfl-error-state {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center; color: var(--ccfl-red);
    gap: .75rem; padding: 1.5rem;
}
#ccfl-app .ccfl-error-icon { font-size: 2rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    #ccfl-app .ccfl-body {
        grid-template-columns: 1fr;
    }
    #ccfl-app .ccfl-form-panel {
        border-right: none;
        border-bottom: 1px solid var(--ccfl-gray-200);
    }
    #ccfl-app .ccfl-metrics-grid {
        grid-template-columns: 1fr;
    }
    #ccfl-app .ccfl-metric--primary {
        grid-column: 1;
    }
    #ccfl-app .ccfl-radio-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    #ccfl-app .ccfl-header { padding: 1.25rem; }
    #ccfl-app .ccfl-form-panel,
    #ccfl-app .ccfl-results-panel { padding: 1.25rem; }
}