@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --red: #c8272d;
  --red-dark: #a01f24;
  --red-light: #fef2f2;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.05);
  --shadow: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
  --shadow-lg: 0 8px 24px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;}
.hidden{display:none!important;}

/* ── Header ─────────────────────────────────────────────────────────── */
.header{background:#18181b;border-bottom:2px solid var(--red);padding:0 32px;height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:100;}
@media(max-width:600px){.header{padding:0 16px;}}
.header-logo{height:34px;object-fit:contain;}
.header-right{display:flex;align-items:center;gap:8px;}
.user-badge{font-size:12px;color:#71717a;}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:inherit;font-size:14px;font-weight:500;padding:8px 16px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all .15s;white-space:nowrap;line-height:1;}
.btn-red{background:var(--red);color:#fff;border-color:var(--red);}
.btn-red:hover{background:var(--red-dark);border-color:var(--red-dark);}
.btn-outline{background:transparent;color:var(--text);border-color:var(--border);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--border-strong);background:var(--bg);}
.btn-ghost{background:transparent;color:#a1a1aa;border:none;}
.btn-ghost:hover{background:rgba(255,255,255,.07);color:#fff;}
.btn-sm{font-size:12px;padding:5px 12px;}
.btn-danger{background:#dc2626;color:#fff;border-color:#dc2626;}
.btn-danger:hover{background:#b91c1c;border-color:#b91c1c;}

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;padding:3px 8px;border-radius:var(--radius-sm);border:1px solid transparent;}
.badge-green{background:#f0fdf4;color:#15803d;border-color:#bbf7d0;}
.badge-gray{background:#f1f5f9;color:#475569;border-color:#e2e8f0;}
.badge-yellow{background:#fefce8;color:#a16207;border-color:#fef08a;}

/* ── Login ───────────────────────────────────────────────────────────── */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#18181b;padding:24px;}
.login-card{background:var(--surface);border-radius:var(--radius-xl);padding:40px;width:100%;max-width:400px;border:1px solid var(--border);box-shadow:0 20px 48px rgba(0,0,0,.3);}
.login-logo{text-align:center;margin-bottom:12px;}
.login-logo img{height:48px;object-fit:contain;}
.login-tagline{text-align:center;font-size:13px;color:var(--text-muted);margin-bottom:32px;line-height:1.5;}
.login-tagline em{color:var(--red);font-style:normal;font-weight:600;}
.field{margin-bottom:16px;}
.field label{font-size:13px;font-weight:500;color:var(--text);display:block;margin-bottom:6px;}
.field input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);outline:none;background:var(--surface);transition:border-color .15s,box-shadow .15s;}
.field input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(200,39,45,.1);}
.error-msg{font-size:13px;color:var(--red);background:var(--red-light);padding:10px 14px;border-radius:var(--radius);border:1px solid rgba(200,39,45,.2);margin-bottom:16px;}

/* ── Toolbar ─────────────────────────────────────────────────────────── */
.toolbar{display:flex;align-items:center;gap:12px;padding:20px 32px 8px;flex-wrap:wrap;}
@media(max-width:600px){.toolbar{padding:12px 16px 8px;}}
.search-wrap{position:relative;flex:1;min-width:220px;}
.search-wrap::before{content:'';position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E") center/contain no-repeat;pointer-events:none;}
.search-input{width:100%;padding:9px 14px 9px 36px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;background:var(--surface);color:var(--text);outline:none;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s;}
.search-input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(200,39,45,.1);}
.filter-chips{display:flex;gap:6px;flex-wrap:wrap;}
.chip{font-size:12px;font-weight:500;padding:5px 14px;border-radius:20px;border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--text-muted);transition:all .15s;box-shadow:var(--shadow-sm);}
.chip.active{background:var(--red);color:#fff;border-color:var(--red);}
.chip:hover:not(.active){border-color:var(--border-strong);color:var(--text);}

/* ── Catalog grid ────────────────────────────────────────────────────── */
.catalogo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;padding:16px 32px 32px;}
@media(max-width:600px){.catalogo-grid{grid-template-columns:1fr;padding:12px 16px;}}
.equipo-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;cursor:pointer;transition:box-shadow .2s,transform .2s;}
.equipo-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.card-img{width:100%;height:180px;background:#18181b;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.card-img img{width:100%;height:100%;object-fit:cover;}
.card-badge{position:absolute;top:10px;right:10px;}
.card-body{padding:14px 16px 10px;}
.card-cat{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--red);margin-bottom:4px;}
.card-name{font-size:15px;font-weight:700;color:var(--text);line-height:1.25;margin-bottom:8px;}
.card-price{font-size:15px;font-weight:700;color:var(--text);}
.card-price span{font-size:11px;color:var(--text-muted);font-weight:400;margin-left:2px;}
.card-footer{padding:10px 16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.card-delivery{font-size:11px;color:var(--text-muted);}

/* ── Page header ─────────────────────────────────────────────────────── */
.page-header{padding:24px 32px 4px;}
.page-title{font-size:20px;font-weight:700;color:var(--text);}
.page-subtitle{font-size:13px;color:var(--text-muted);margin-top:3px;}

/* ── Detalle ─────────────────────────────────────────────────────────── */
.detalle-wrap{display:grid;grid-template-columns:1fr 340px;min-height:calc(100vh - 62px);}
@media(max-width:860px){.detalle-wrap{grid-template-columns:1fr;}}
.detalle-left{padding:28px 32px;overflow-y:auto;}
.detalle-right{background:var(--surface);border-left:1px solid var(--border);padding:24px;position:sticky;top:62px;height:calc(100vh - 62px);overflow-y:auto;}
.breadcrumb{font-size:12px;color:var(--text-muted);margin-bottom:20px;display:flex;align-items:center;gap:6px;}
.breadcrumb a{color:var(--red);text-decoration:none;font-weight:500;}
.breadcrumb a:hover{text-decoration:underline;}
.equipo-title{font-size:26px;font-weight:800;color:var(--text);line-height:1.1;margin-bottom:8px;}
.equipo-meta{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.equipo-precio{font-size:22px;font-weight:700;color:var(--text);}

/* ── Tabs ────────────────────────────────────────────────────────────── */
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:24px;}
.tab{font-size:13px;font-weight:500;padding:10px 16px;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-1px;cursor:pointer;transition:all .15s;}
.tab:hover:not(.active){color:var(--text);}
.tab.active{color:var(--red);border-bottom-color:var(--red);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* ── Specs table ─────────────────────────────────────────────────────── */
.specs-table{width:100%;border-collapse:collapse;font-size:14px;}
.specs-table tr{border-bottom:1px solid var(--border);}
.specs-table tr:last-child{border:none;}
.specs-table td{padding:10px 4px;}
.specs-table td:first-child{color:var(--text-muted);font-size:13px;width:45%;}
.specs-table td:last-child{font-weight:600;color:var(--text);}

/* ── Gallery ─────────────────────────────────────────────────────────── */
.galeria-main{width:100%;height:300px;object-fit:contain;border-radius:var(--radius-lg);margin-bottom:10px;border:1px solid var(--border);background:#18181b;cursor:zoom-in;}
.galeria-thumbs{display:flex;gap:8px;flex-wrap:wrap;}
.galeria-thumb{width:72px;height:54px;object-fit:cover;border-radius:var(--radius);cursor:pointer;border:2px solid transparent;opacity:.65;transition:all .15s;}
.galeria-thumb.active,.galeria-thumb:hover{border-color:var(--red);opacity:1;}

/* ── Lightbox (visor de imagen completa) ───────────────────────────────── */
.lightbox-overlay{position:fixed;inset:0;background:rgba(15,23,42,.9);display:flex;align-items:center;justify-content:center;z-index:1000;padding:32px;}
.lightbox-overlay.hidden{display:none!important;}
.lightbox-img{max-width:100%;max-height:100%;object-fit:contain;border-radius:var(--radius);}
.lightbox-close{position:absolute;top:20px;right:28px;background:none;border:none;color:#fff;font-size:32px;line-height:1;cursor:pointer;opacity:.8;}
.lightbox-close:hover{opacity:1;}

/* ── Video ───────────────────────────────────────────────────────────── */
.video-container{position:relative;width:100%;padding-bottom:56.25%;border-radius:var(--radius-lg);overflow:hidden;background:#18181b;}
.video-container iframe,.video-container video{position:absolute;inset:0;width:100%;height:100%;border:none;}

/* ── Cotizador ───────────────────────────────────────────────────────── */
.cotizador-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;}
.cotizador-title::before{content:'$';color:var(--red);font-weight:800;font-size:17px;}
.cotizador-field{margin-bottom:12px;}
.cotizador-field label{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;display:block;margin-bottom:5px;}
.cotizador-field input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);outline:none;background:var(--surface);box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s;}
.cotizador-field input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(200,39,45,.1);}
.cotizador-result{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;margin:16px 0;}
.result-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-muted);padding:5px 0;}
.result-row b{color:var(--text);font-weight:600;}
.result-row.total{padding-top:12px;margin-top:8px;border-top:1px solid var(--border-strong);}
.result-row.total span{font-weight:600;color:var(--text);}
.result-row.total b{color:var(--red);font-size:16px;font-weight:700;}
.cotizador-actions{display:flex;gap:8px;}

/* ── Modal ───────────────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:500;padding:20px;backdrop-filter:blur(4px);}
.modal{background:var(--surface);border-radius:var(--radius-xl);max-width:820px;width:100%;max-height:88vh;overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--border);box-shadow:0 20px 48px rgba(15,23,42,.15);}
.modal-header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.modal-header h3{font-size:15px;font-weight:700;color:var(--text);}
.modal-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--text-muted);line-height:1;padding:4px 6px;border-radius:var(--radius-sm);transition:background .15s;}
.modal-close:hover{background:var(--bg);color:var(--text);}
.modal-body{padding:24px;overflow-y:auto;flex:1;}
.modal-footer{padding:14px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}

/* ── Amortization table ──────────────────────────────────────────────── */
.amort-table{width:100%;border-collapse:collapse;font-size:13px;}
.amort-table th{background:var(--bg);color:var(--text-muted);padding:8px 12px;text-align:left;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);}
.amort-table td{padding:8px 12px;border-bottom:1px solid var(--border);color:var(--text);}
.amort-table tr:last-child td{border:none;}
.amort-table tfoot td{font-weight:600;background:var(--bg);border-top:2px solid var(--border);color:var(--text);}

/* ── Admin layout ────────────────────────────────────────────────────── */
.admin-tabs-bar{display:flex;border-bottom:1px solid var(--border);padding:0 18px;background:var(--surface);position:sticky;top:62px;z-index:10;}
.admin-tab{font-size:13px;font-weight:500;padding:12px 16px;color:var(--text-muted);border-bottom:2px solid transparent;cursor:pointer;margin-bottom:-1px;transition:all .15s;}
.admin-tab.active{color:var(--red);border-bottom-color:var(--red);}
.admin-tab:hover:not(.active){color:var(--text);}
.admin-wrap{display:grid;grid-template-columns:340px 1fr;min-height:calc(100vh - 102px);}
@media(max-width:900px){.admin-wrap{grid-template-columns:1fr;}}
.admin-list{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;}
.admin-list-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--surface);}
.admin-list-title{font-size:12px;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:.5px;}
.admin-list-body{overflow-y:auto;flex:1;}
.admin-item{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s;}
.admin-item:hover{background:var(--bg);}
.admin-item.active{background:var(--red-light);border-left:2px solid var(--red);padding-left:16px;}
.admin-item-img{width:50px;height:38px;object-fit:cover;border-radius:var(--radius);background:#18181b;flex-shrink:0;border:1px solid var(--border);}
.admin-item-info{flex:1;min-width:0;}
.admin-item-name{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.admin-item-sub{font-size:11px;color:var(--text-muted);margin-top:1px;}
.admin-form{padding:24px 28px;overflow-y:auto;}
.admin-form-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--border);}
.admin-form-title span{color:var(--red);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-field{display:flex;flex-direction:column;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:12px;font-weight:500;color:var(--text-muted);display:block;margin-bottom:5px;}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);background:var(--surface);outline:none;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(200,39,45,.1);}
.form-field textarea{resize:vertical;min-height:80px;}

/* ── Toggle ──────────────────────────────────────────────────────────── */
.toggle-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);}
.toggle-row:last-child{border:none;}
.toggle-label{font-size:14px;font-weight:500;color:var(--text);}
.toggle-sublabel{font-size:12px;color:var(--text-muted);margin-top:1px;}
.toggle-switch{width:40px;height:22px;background:var(--border);border-radius:11px;position:relative;cursor:pointer;transition:background .2s;flex-shrink:0;}
.toggle-switch.on{background:var(--red);}
.toggle-switch::after{content:'';width:16px;height:16px;background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;transition:transform .2s;box-shadow:var(--shadow-sm);}
.toggle-switch.on::after{transform:translateX(18px);}

/* ── Upload ──────────────────────────────────────────────────────────── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:24px;text-align:center;cursor:pointer;transition:all .15s;background:var(--bg);}
.upload-zone:hover,.upload-zone.drag-over{border-color:var(--red);background:var(--red-light);}
.upload-zone p{font-size:13px;color:var(--text-muted);margin-top:6px;}
.upload-zone strong{font-size:14px;color:var(--text);font-weight:600;}
.img-preview-grid{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
.img-preview-item{position:relative;}
.img-preview-item img{width:80px;height:60px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border);}
.img-preview-remove{position:absolute;top:-6px;right:-6px;width:18px;height:18px;background:var(--red);color:#fff;border-radius:50%;font-size:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;box-shadow:var(--shadow);}

/* ── Specs section admin ─────────────────────────────────────────────── */
.specs-section{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:14px;}
.specs-section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:14px;}
.extras-row{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:end;margin-bottom:8px;}
.btn-icon{width:36px;height:36px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all .15s;}
.btn-icon.red{border-color:rgba(200,39,45,.3);color:var(--red);}
.btn-icon:hover{background:var(--bg);}

/* ── Cursos ──────────────────────────────────────────────────────────── */
.cursos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;padding:16px 32px 32px;}
@media(max-width:600px){.cursos-grid{grid-template-columns:1fr;padding:12px 16px;}}
.curso-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;cursor:pointer;transition:box-shadow .2s,transform .2s;}
.curso-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.curso-thumb{width:100%;height:180px;background:#18181b;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.curso-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.curso-thumb-overlay{position:absolute;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;}
.curso-thumb-play{width:52px;height:52px;background:rgba(200,39,45,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;position:relative;z-index:1;}
.curso-body{padding:14px 16px 10px;}
.curso-cat{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--red);margin-bottom:4px;}
.curso-title{font-size:15px;font-weight:700;color:var(--text);line-height:1.25;margin-bottom:6px;}
.curso-desc{font-size:13px;color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.curso-footer{padding:10px 16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}

/* ── Misc ────────────────────────────────────────────────────────────── */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted);}
.empty-state p{font-size:15px;}
.loading{text-align:center;padding:40px;color:var(--text-muted);font-size:14px;}
.divider{height:1px;background:var(--border);margin:16px 0;}