:root{--bg:#f5f7fb;--panel:#fff;--panel2:#f8fafc;--text:#172033;--muted:#687387;--border:#dfe5ee;--accent:#315efb;--accentSoft:#e9efff;--danger:#c93535;--warning:#8a5b00;--warningBg:#fff6d8;--shadow:0 8px 26px rgba(20,31,56,.08);--radius:16px}
[data-theme="dark"]{--bg:#11151d;--panel:#171c26;--panel2:#1e2531;--text:#edf2fb;--muted:#99a5b8;--border:#2a3444;--accent:#7c9cff;--accentSoft:#222d4d;--danger:#ff7373;--warning:#ffd36a;--warningBg:#3b311a;--shadow:0 8px 26px rgba(0,0,0,.25)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.app-shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:var(--panel);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:22px;z-index:20}.brand{display:flex;gap:11px;align-items:center;padding:2px 4px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--accent);color:#fff;font-weight:900}.brand strong,.brand small{display:block}.brand small{color:var(--muted);margin-top:2px}.nav-list,.category-list{display:grid;gap:5px}.nav-item,.category-item{border:0;background:transparent;color:var(--text);padding:10px 11px;border-radius:10px;display:flex;justify-content:space-between;align-items:center;text-align:left}.nav-item:hover,.category-item:hover,.nav-item.active,.category-item.active{background:var(--accentSoft)}.nav-item.active,.category-item.active{color:var(--accent);font-weight:700}.count,.mini-badge{font-size:12px;color:var(--muted);background:var(--panel2);border:1px solid var(--border);border-radius:999px;padding:2px 7px}.mini-badge{margin-left:5px;color:var(--accent)}.sidebar-section{min-height:0;overflow:auto}.section-title-row{display:flex;justify-content:space-between;align-items:center;margin:0 4px 8px}.section-title{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:800}.category-row{display:grid;grid-template-columns:1fr auto;gap:4px;align-items:center}.category-row.drag-over{outline:2px dashed var(--accent);border-radius:10px}.cat-actions{display:flex;gap:1px;opacity:0}.category-row:hover .cat-actions{opacity:1}.tiny-icon{border:0;background:transparent;color:var(--muted);padding:5px}.sidebar-footer{margin-top:auto;display:grid;gap:8px}.footer-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.backup-hint{font-size:12px;color:var(--warning);background:var(--warningBg);border:1px solid color-mix(in srgb,var(--warning) 25%,transparent);padding:8px;border-radius:9px}
.main{min-width:0}.topbar{position:sticky;top:0;z-index:15;min-height:76px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;padding:13px 26px}.search-wrap{flex:1;position:relative}.search-wrap input{width:100%;height:48px;padding:0 76px 0 42px;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:14px;outline:none}.search-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accentSoft)}.search-icon{position:absolute;left:15px;top:13px;color:var(--muted);font-size:20px}kbd{position:absolute;right:12px;top:12px;color:var(--muted);background:var(--panel2);border:1px solid var(--border);border-bottom-width:2px;padding:4px 7px;border-radius:7px;font-size:11px}.content{padding:28px;max-width:1500px;margin:0 auto}.content-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}h1{font-size:clamp(24px,3vw,34px);margin:0}.content-head p{color:var(--muted);margin:7px 0 0}.toolbar{display:flex;gap:8px}.stats-strip{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:10px;margin-bottom:16px}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:13px;padding:12px 14px}.stat-card strong{display:block;font-size:20px}.stat-card span{font-size:12px;color:var(--muted)}
select,input,textarea{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:10px;padding:10px 12px;outline:none}select:focus,input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accentSoft)}textarea{resize:vertical}.primary,.secondary,.danger,.icon-btn{border-radius:10px;border:1px solid transparent;padding:10px 14px;font-weight:700}.primary{background:var(--accent);color:#fff}.secondary{background:var(--panel);color:var(--text);border-color:var(--border)}.secondary:hover{background:var(--panel2)}.danger{background:var(--danger);color:#fff}.icon-btn{background:transparent;color:var(--text);padding:6px 9px;font-size:19px}.full{width:100%}.small{padding:7px 10px;font-size:12px}.link-btn{border:0;background:transparent;color:var(--accent);font-weight:700}.view-toggle.active{color:var(--accent);border-color:var(--accent)}
.tag-filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.tag-chip{border:1px solid var(--border);background:var(--panel);color:var(--muted);padding:6px 10px;border-radius:999px;font-size:13px}.tag-chip.active{background:var(--accentSoft);color:var(--accent);border-color:var(--accent)}.bulk-bar{position:sticky;top:86px;z-index:10;display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--accent);box-shadow:var(--shadow);padding:10px 12px;border-radius:13px;margin-bottom:14px}.bulk-bar select{padding:7px 10px}
.bookmark-grid.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:15px}.bookmark-grid.list{display:grid;gap:9px}.bookmark-card{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:17px;box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease}.bookmark-card:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--accent) 42%,var(--border))}.bookmark-card.selected{outline:2px solid var(--accent)}.bookmark-card[draggable="true"]{cursor:grab}.bookmark-card.dragging{opacity:.45}.list .bookmark-card{display:grid;grid-template-columns:minmax(240px,1.4fr) minmax(180px,1fr) auto;gap:16px;align-items:center;box-shadow:none}.card-select{position:absolute;top:14px;left:14px;z-index:2}.card-main{padding-left:24px}.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.card-title{margin:0;font-size:17px;line-height:1.3}.card-domain{color:var(--accent);font-size:13px;margin:5px 0 10px;word-break:break-all}.card-description{color:var(--muted);font-size:14px;line-height:1.45;min-height:40px}.list .card-description{min-height:0;margin:0}.card-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.meta-pill{font-size:12px;border:1px solid var(--border);background:var(--panel2);color:var(--muted);border-radius:999px;padding:4px 7px}.card-actions{display:flex;gap:6px;margin-top:14px;flex-wrap:wrap}.list .card-actions{margin-top:0;justify-content:flex-end}.action-btn{border:1px solid var(--border);background:var(--panel2);color:var(--text);border-radius:8px;padding:7px 9px;font-size:12px}.action-btn:hover{border-color:var(--accent);color:var(--accent)}.favorite-btn{border:0;background:transparent;font-size:20px;color:var(--muted);padding:0}.favorite-btn.on{color:#e0a300}.notes-preview{color:var(--muted);font-size:12px;margin-top:10px;padding-top:10px;border-top:1px dashed var(--border);white-space:pre-wrap}.empty-state{text-align:center;padding:90px 20px;color:var(--muted)}.empty-state h2{color:var(--text);margin-bottom:5px}.empty-icon{font-size:46px}
.modal{width:min(720px,calc(100vw - 28px));border:1px solid var(--border);border-radius:20px;padding:0;background:var(--panel);color:var(--text);box-shadow:0 24px 80px rgba(0,0,0,.28)}.modal::backdrop{background:rgba(10,14,24,.55);backdrop-filter:blur(4px)}.modal form{padding:22px}.small-modal{width:min(470px,calc(100vw - 28px))}.stats-modal{width:min(760px,calc(100vw - 28px))}.modal-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:20px}.modal-head h2{margin:0}.modal-head p{color:var(--muted);margin:5px 0 0}.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.form-grid label,.small-modal label{display:grid;gap:7px;font-size:13px;font-weight:700;min-width:0}.span-2{grid-column:span 2}.checkbox-label{display:flex!important;flex-direction:row!important;align-items:center}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:22px}.warning{color:var(--warning);background:var(--warningBg);border:1px solid color-mix(in srgb,var(--warning) 30%,transparent);padding:10px 12px;border-radius:10px;font-size:13px}.filter-grid{display:grid;gap:12px}.filter-grid label{display:grid;gap:6px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stats-big{background:var(--panel2);border:1px solid var(--border);border-radius:14px;padding:16px}.stats-big strong{display:block;font-size:27px}.stats-big span{color:var(--muted);font-size:13px}.ranking{margin-top:20px}.ranking-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}.toast{position:fixed;right:24px;bottom:24px;background:var(--text);color:var(--bg);padding:12px 16px;border-radius:12px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:100}.toast.show{opacity:1;transform:translateY(0)}.mobile-only{display:none}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-300px;width:280px;transition:left .2s ease;box-shadow:var(--shadow)}.sidebar.open{left:0}.mobile-only{display:inline-flex}.topbar{padding:12px}.content{padding:18px 14px}.content-head{align-items:flex-start;flex-direction:column}.toolbar{width:100%}.toolbar select{flex:1}.stats-strip{grid-template-columns:repeat(2,1fr)}.list .bookmark-card{grid-template-columns:1fr}.list .card-actions{justify-content:flex-start}.topbar #filtersBtn{font-size:0}.topbar #filtersBtn::before{content:'⚙️';font-size:18px}}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}kbd{display:none}.search-wrap input{padding-right:12px}.topbar .primary{padding-inline:11px}.stats-grid{grid-template-columns:1fr}.stats-strip{grid-template-columns:1fr 1fr}}

/* V3.1: orden manual de tarjetas */
.drag-handle{position:absolute;top:13px;left:38px;color:var(--muted);font-size:15px;letter-spacing:-2px;cursor:grab;user-select:none}.manual-sort .bookmark-card{cursor:grab}.manual-sort .bookmark-card:active{cursor:grabbing}.bookmark-card.drop-before{box-shadow:inset 4px 0 0 var(--accent),var(--shadow);border-color:var(--accent)}.bookmark-card.drop-after{box-shadow:inset -4px 0 0 var(--accent),var(--shadow);border-color:var(--accent)}.bookmark-grid.list .bookmark-card.drop-before{box-shadow:inset 0 4px 0 var(--accent)}.bookmark-grid.list .bookmark-card.drop-after{box-shadow:inset 0 -4px 0 var(--accent)}

/* ===================================================================
   Linkoteca (web multiusuario) — landing pública, autenticación,
   saludo personalizado y panel de administración.
   =================================================================== */

/* Cabecera del avatar/saludo dentro del dashboard */
.user-menu{display:flex;align-items:center;gap:10px;margin-left:6px}
.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;overflow:hidden;flex-shrink:0}
.user-avatar img{width:100%;height:100%;object-fit:cover}
.user-name{font-size:13px;font-weight:700;line-height:1.2}
.user-name small{display:block;font-weight:500;color:var(--muted)}
.user-menu-btn{border:0;background:transparent;color:var(--muted);font-size:18px;padding:4px}

/* ---------- Landing pública ---------- */
.public-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:16px 28px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.public-header .brand{padding:0}
.public-header nav{display:flex;gap:10px;align-items:center}
.hero{max-width:1100px;margin:0 auto;padding:72px 28px 40px;text-align:center}
.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.12;margin:0 0 18px}
.hero h1 span{color:var(--accent)}
.hero p.lead{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 30px;line-height:1.6}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:52px}
.hero-cta .primary,.hero-cta .secondary{padding:14px 26px;font-size:15px;border-radius:13px}
.hero-shot{max-width:1040px;margin:0 auto;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;background:var(--panel)}
.hero-shot .mock-topbar{display:flex;gap:6px;padding:12px 16px;border-bottom:1px solid var(--border)}
.hero-shot .mock-dot{width:10px;height:10px;border-radius:50%;background:var(--border)}
.hero-shot .mock-body{padding:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-shot .mock-card{border:1px solid var(--border);border-radius:14px;padding:16px;background:var(--panel2)}
.hero-shot .mock-card .mock-line{height:9px;border-radius:5px;background:var(--border);margin-bottom:8px}
.hero-shot .mock-card .mock-line.w60{width:60%}
.hero-shot .mock-card .mock-line.w80{width:80%}
.hero-shot .mock-card .mock-line.w40{width:40%}

.features{max-width:1100px;margin:76px auto;padding:0 28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.feature-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.feature-card .feature-icon{font-size:26px;margin-bottom:10px;display:inline-block}
.feature-card h3{margin:0 0 8px;font-size:16px}
.feature-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}

.how-it-works{max-width:900px;margin:76px auto;padding:0 28px}
.how-it-works h2,.features-head h2{text-align:center;font-size:clamp(22px,3vw,30px);margin-bottom:8px}
.features-head{max-width:700px;margin:0 auto 34px;text-align:center}
.features-head p{color:var(--muted)}
.steps{display:grid;gap:16px;margin-top:32px}
.step{display:flex;gap:16px;align-items:flex-start;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px 20px}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--accentSoft);color:var(--accent);font-weight:800;display:grid;place-items:center;flex-shrink:0}
.step h4{margin:0 0 4px}
.step p{margin:0;color:var(--muted);font-size:14px}

.public-footer{text-align:center;color:var(--muted);font-size:13px;padding:40px 28px 60px}
.public-footer a{color:var(--muted)}

/* ---------- Autenticación (login / registro / recuperar) ---------- */
.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:32px}
.auth-card .brand{justify-content:center;margin-bottom:22px}
.auth-card h1{font-size:22px;text-align:center;margin:0 0 6px}
.auth-card p.sub{text-align:center;color:var(--muted);margin:0 0 24px;font-size:14px}
.auth-form{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
.auth-form label{display:grid;gap:6px;font-size:13px;font-weight:700;min-width:0}
.auth-form .name-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}
.auth-form .row-inline{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:500}
.auth-form .row-inline label{display:flex;flex-direction:row;align-items:center;gap:7px;font-weight:500}
.auth-divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin:20px 0}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-weight:700;color:var(--text)}
.google-btn:hover{background:var(--panel2)}
.google-btn svg{width:18px;height:18px}
.auth-foot{text-align:center;margin-top:22px;font-size:13px;color:var(--muted)}
.auth-alert{padding:11px 13px;border-radius:10px;font-size:13px;margin-bottom:16px}
.auth-alert.error{color:var(--danger);background:color-mix(in srgb,var(--danger) 12%,transparent);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent)}
.auth-alert.success{color:#1a8a4a;background:color-mix(in srgb,#1a8a4a 12%,transparent);border:1px solid color-mix(in srgb,#1a8a4a 30%,transparent)}
[data-theme="dark"] .auth-alert.success{color:#5fe0a0}
.auth-icon-hero{font-size:44px;text-align:center;margin-bottom:6px}

/* ---------- Onboarding: importar biblioteca local ---------- */
.onboarding-box{border:1px dashed var(--border);border-radius:14px;padding:16px;text-align:center;margin-top:10px}
.onboarding-box p{margin:0 0 10px;font-size:13px;color:var(--muted)}

/* ---------- Panel de administración ---------- */
.admin-table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.admin-table th,.admin-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}
.admin-table th{background:var(--panel2);color:var(--muted);font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:.05em}
.admin-table tr:last-child td{border-bottom:none}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700}
.badge.on{background:color-mix(in srgb,#1a8a4a 15%,transparent);color:#1a8a4a}
.badge.off{background:color-mix(in srgb,var(--danger) 15%,transparent);color:var(--danger)}
.badge.admin{background:var(--accentSoft);color:var(--accent)}