/* CEPSA Buscador de Lubricantes — Mismo design system */

:root {
    --clf-red: #cf2e2e;
    --clf-red-hover: #b82828;
    --clf-red-light: rgba(207,46,46,0.06);
    --clf-dark: #1A1A2E;
    --clf-bg: #FFFFFF;
    --clf-input-bg: #F5F5F5;
    --clf-border: #E0E0E0;
    --clf-border-light: #EEEEEE;
    --clf-tab-bg: #FAFAFA;
    --clf-muted: #999;
    --clf-hint: #AAA;
}

.clf {
    background: var(--clf-bg); border: 1px solid #E5E5E5; border-radius: 10px;
    font-family: 'Metropolis', system-ui, -apple-system, sans-serif;
    overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    max-width: 1200px; margin: 0 auto 30px;
}

/* Tabs */
.clf-tabs { display: flex; border-bottom: 2px solid var(--clf-border-light); }
.clf-tab {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 16px 20px; border: none; background: var(--clf-tab-bg);
    color: var(--clf-hint); font-size: 12px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px; cursor: pointer;
    transition: all 0.2s; border-bottom: 3px solid transparent;
    margin-bottom: -2px; font-family: inherit;
}
.clf-tab:hover { color: #555; background: #f0f0f0; }
.clf-tab.active { background: var(--clf-bg); color: var(--clf-red); border-bottom-color: var(--clf-red); }
.clf-tab svg { flex-shrink: 0; opacity: 0.5; }
.clf-tab:hover svg { opacity: 0.7; }
.clf-tab.active svg { opacity: 1; }

/* Panels */
.clf-panel { display: none; padding: 24px 28px; }
.clf-panel.active { display: block; }

/* Fields */
.clf-fields { display: flex; align-items: flex-end; gap: 12px; }
.clf-field { flex: 1; min-width: 0; }
.clf-field label {
    display: block; font-size: 10px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.2px;
    color: var(--clf-muted); margin-bottom: 6px;
}
.clf-field select {
    width: 100%; padding: 11px 36px 11px 14px;
    border: 1.5px solid var(--clf-border); border-radius: 6px;
    font-size: 13px; font-weight: 400; font-family: inherit;
    color: var(--clf-dark); background: var(--clf-input-bg);
    cursor: pointer; appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 5 5-5' fill='none' stroke='%23999' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
    transition: all 0.2s; box-sizing: border-box;
}
.clf-field select:focus { outline: none; border-color: var(--clf-red); background-color: #fff; }
.clf-field select:disabled { opacity: 0.35; cursor: not-allowed; }

/* Button */
.clf-field-btn { flex: 0 0 140px; }
.clf-btn {
    width: 100%; padding: 12px 20px; background: var(--clf-red); color: #fff;
    border: none; border-radius: 6px; font-size: 12px; font-weight: 700;
    font-family: inherit; text-transform: uppercase; letter-spacing: 0.5px;
    cursor: pointer; transition: all 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.clf-btn::after {
    content: ''; display: inline-block; width: 0; height: 0;
    border-top: 5px solid transparent; border-bottom: 5px solid transparent;
    border-left: 6px solid #fff;
}
.clf-btn:hover:not(:disabled) { background: var(--clf-red-hover); transform: translateY(-1px); }
.clf-btn:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }

/* Placa */
.clf-placa-wrap { text-align: center; max-width: 280px; margin: 0 auto; padding: 10px 0; }
.clf-placa-wrap label {
    display: block; font-size: 10px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.2px;
    color: var(--clf-muted); margin-bottom: 12px;
}
.clf-placa-input {
    width: 100%; padding: 14px; border: 1.5px solid var(--clf-border);
    border-radius: 6px; font-size: 22px; font-weight: 700; font-family: inherit;
    text-transform: uppercase; letter-spacing: 6px; text-align: center;
    color: var(--clf-dark); background: var(--clf-input-bg); box-sizing: border-box;
    transition: border-color 0.2s;
}
.clf-placa-input::placeholder { color: #BBB; }
.clf-placa-input:focus { outline: none; border-color: var(--clf-red); background: #fff; }
.clf-hint { font-size: 11px; color: var(--clf-hint); margin: 10px 0 16px; }
.clf-placa-wrap .clf-btn { margin: 0 auto; max-width: 200px; }

/* Results */
.clf-results { display: none; padding: 0 28px 28px; animation: clfFadeIn 0.3s ease; }
.clf-results.active { display: block; }

.clf-results-header {
    border-top: 2px solid var(--clf-border-light);
    padding: 16px 0 12px; display: flex; align-items: center;
    justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.clf-results-label { font-size: 13px; color: #888; font-weight: 500; }
.clf-results-label strong { color: var(--clf-dark); }

.clf-results-clear {
    font-size: 11px; color: var(--clf-muted); background: none;
    border: 1px solid var(--clf-border); padding: 5px 14px;
    border-radius: 4px; cursor: pointer; font-family: inherit; transition: all 0.2s;
}
.clf-results-clear:hover { border-color: var(--clf-red); color: var(--clf-red); }

/* Product Grid */
.clf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.clf-card {
    display: flex; flex-direction: column; align-items: center;
    padding: 20px 16px; border: 1.5px solid var(--clf-border-light);
    border-radius: 8px; text-decoration: none; text-align: center;
    transition: all 0.2s; background: #fff;
}
.clf-card:hover { border-color: var(--clf-red); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }

.clf-card-img { width: 120px; height: 120px; object-fit: contain; margin-bottom: 10px; }
.clf-card h4 {
    margin: 0 0 6px; font-size: 12px; font-weight: 700; color: var(--clf-dark);
    text-transform: uppercase; letter-spacing: 0.3px; line-height: 1.3;
}

.clf-card-tags { display: flex; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; justify-content: center; }
.clf-tag {
    font-size: 9px; font-weight: 600; color: var(--clf-red); background: var(--clf-red-light);
    padding: 2px 8px; border-radius: 10px; text-transform: uppercase; letter-spacing: 0.3px;
}

.clf-card-link { font-size: 11px; font-weight: 700; color: var(--clf-red); text-transform: uppercase; letter-spacing: 0.3px; }

.clf-no-results {
    text-align: center; padding: 30px; color: var(--clf-muted); font-size: 14px;
    background: var(--clf-red-light); border-radius: 6px;
}

@keyframes clfFadeIn { from{opacity:0;transform:translateY(6px);} to{opacity:1;transform:translateY(0);} }

/* Responsive */
@media (max-width: 768px) {
    .clf-fields { flex-direction: column; gap: 10px; }
    .clf-field-btn { flex: 0 0 auto; width: 100%; }
    .clf-panel { padding: 16px; }
    .clf-results { padding: 0 16px 16px; }
    .clf-tab { font-size: 10px; padding: 14px 8px; letter-spacing: 0.5px; }
    .clf-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .clf-card-img { width: 100px; height: 100px; }
}

@media (max-width: 480px) {
    .clf-grid { grid-template-columns: 1fr; }
    .clf-card { padding: 14px; }
    .clf-card-img { width: 80px; height: 80px; }
}

/* ===== ERROR BOX ===== */
.clf-error-box {
    margin: 0 0 16px;
    padding: 14px 18px;
    border-radius: 10px;
    background: #FEF3C7;
    border: 1.5px solid #F59E0B;
    color: #92400E;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
}

/* ===== HERO BANNER (viscosidad + vehiculo protagonistas) ===== */
.clf-hero {
    background: linear-gradient(135deg, #ffffff 0%, #fef2f2 100%);
    border: 2px solid #fee2e2;
    border-radius: 14px;
    padding: 32px 28px;
    margin: 0 0 24px;
    text-align: center;
    box-shadow: 0 4px 14px rgba(207, 46, 46, 0.08);
    animation: clfFadeIn 0.4s ease-out;
}
.clf-hero-label,
.clf-hero-label-medida,
.clf-hero-equivs-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    color: #6B7280;
    font-weight: 700;
}
.clf-hero-label { margin-bottom: 4px; }
.clf-hero-vehicle {
    font-size: 22px;
    font-weight: 800;
    color: #1A1A2E;
    margin-bottom: 4px;
    letter-spacing: -0.3px;
}
.clf-hero-vehicle-sub {
    font-size: 14px;
    font-weight: 500;
    color: #4B5563;
    margin-bottom: 16px;
}
.clf-hero-vehicle + .clf-hero-label-medida { margin-top: 20px; }
.clf-hero-label-medida { margin-bottom: 10px; }
.clf-hero-medidas {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    align-items: center;
    margin-bottom: 22px;
}
.clf-hero-medida {
    font-size: 56px;
    font-weight: 800;
    color: #cf2e2e;
    letter-spacing: -1.5px;
    line-height: 1;
    padding: 10px 28px;
    border: 3px solid #cf2e2e;
    border-radius: 14px;
    background: #ffffff;
    font-feature-settings: "tnum" 1;
    text-shadow: 0 1px 2px rgba(207, 46, 46, 0.08);
}
.clf-hero-equivs-label { margin-bottom: 10px; }
.clf-hero-equivs-note {
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    color: #9CA3AF;
    font-size: 10px;
}
.clf-hero-equivs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}
.clf-hero-equiv {
    padding: 8px 16px;
    border-radius: 20px;
    background: #ffffff;
    border: 1.5px solid #E5E7EB;
    font-size: 14px;
    font-weight: 700;
    color: #1A1A2E;
    cursor: help;
    transition: all 0.15s;
}
.clf-hero-equiv:hover {
    border-color: #cf2e2e;
    color: #cf2e2e;
    transform: translateY(-1px);
}

@keyframes clfFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .clf-hero { padding: 24px 16px; }
    .clf-hero-medida { font-size: 42px; padding: 8px 20px; border-radius: 12px; }
    .clf-hero-vehicle { font-size: 18px; }
}

@media (max-width: 480px) {
    .clf-hero-medida { font-size: 32px; padding: 6px 14px; }
    .clf-hero-vehicle { font-size: 16px; }
}

/* ===== v1.2.0 — Pestana Por Vehiculo (cascada Marca/Ano/Modelo) ===== */
.clf-vehicle-info {
    margin-top: 12px;
    font-size: 13px;
    color: var(--clf-muted);
}
.clf-medida-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.clf-badge-oem {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--clf-red-light);
    color: var(--clf-red);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
.clf-vinfo-spec {
    margin-top: 6px;
    font-size: 12px;
    color: var(--clf-dark);
}
.clf-veh-empty {
    margin-top: 14px;
    padding: 14px 16px;
    background: var(--clf-red-light);
    border: 1px solid var(--clf-border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--clf-dark);
    line-height: 1.5;
}
/* Norma OEM + capacidad dentro del hero */
.clf-hero-specs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}
.clf-hero-spec {
    background: rgba(255,255,255,0.18);
    color: #fff;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 13px;
}