/* ===== Focal — sistema de diseño ===== */
:root{
  --bg:#f6f2ea; --surface:#fcfaf5; --surface2:#efe9dd; --border:#e2dbcc;
  --text:#2b2824; --text2:#6b655a; --text3:#9a9284;
  --accent:#b3382c; --orp:#b3382c; --shadow:rgba(60,50,30,.08);
  --sans:'Inter',-apple-system,system-ui,sans-serif;
  --serif:'Literata',Georgia,serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --r:8px; --r-lg:12px;
  --ease:cubic-bezier(.25,.1,.25,1); --spring:cubic-bezier(.34,1.4,.64,1);
  --sidebar-w:248px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:15px}
body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;transition:background .35s var(--ease),color .35s var(--ease)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:color-mix(in srgb,var(--accent) 22%,transparent)}
h1,h2,h3{font-weight:600;letter-spacing:-.02em}
.mono{font-family:var(--mono)}
.serif{font-family:var(--serif)}
svg{display:block}
svg{width:1.1em;height:1.1em;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--text3) 35%,transparent);border-radius:5px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}

/* ===== Layout ===== */
#app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:var(--sidebar-w);flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column;transition:width .3s var(--ease);overflow:hidden}
.sidebar.collapsed{width:64px}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;font-weight:650;font-size:16px;letter-spacing:-.02em;white-space:nowrap}
.brand-dot{width:22px;height:22px;border-radius:6px;background:var(--accent);flex-shrink:0;position:relative}
.brand-dot::after{content:'';position:absolute;inset:8px 6px;background:var(--surface);border-radius:1px}
.nav{flex:1;overflow-y:auto;padding:6px 10px}
.nav-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--text3);padding:14px 10px 6px;white-space:nowrap}
.nav-item{display:flex;align-items:center;gap:10px;width:100%;padding:7px 10px;border-radius:var(--r);color:var(--text2);font-size:13.5px;font-weight:480;white-space:nowrap;transition:background .15s,color .15s;text-align:left}
.nav-item svg{flex-shrink:0;width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--surface2);color:var(--text)}
.nav-item.active{background:var(--surface2);color:var(--text);font-weight:550}
.nav-item.active svg{stroke:var(--accent)}
.nav-badge{margin-left:auto;font-size:10.5px;font-family:var(--mono);color:var(--text3)}
.sidebar-foot{border-top:1px solid var(--border);padding:10px;display:flex;flex-direction:column;gap:6px}
.import-btn{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--text);color:var(--bg);padding:8px;border-radius:var(--r);font-size:13px;font-weight:550;transition:transform .15s var(--spring),opacity .15s;white-space:nowrap}
.import-btn:hover{opacity:.9}.import-btn:active{transform:scale(.97)}
.profile-row{display:flex;align-items:center;gap:9px;padding:6px 8px;border-radius:var(--r);cursor:pointer;white-space:nowrap}
.profile-row:hover{background:var(--surface2)}
.avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 55%,var(--text)));color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0}
.sync-dot{width:6px;height:6px;border-radius:50%;background:#3fb96f;margin-left:auto;box-shadow:0 0 0 3px color-mix(in srgb,#3fb96f 18%,transparent)}
.theme-quick{display:flex;gap:5px;padding:2px 8px}
.theme-quick button{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--border);transition:transform .15s var(--spring)}
.theme-quick button:hover{transform:scale(1.18)}
.theme-quick button.on{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 30%,transparent)}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:54px;flex-shrink:0;display:flex;align-items:center;gap:12px;padding:0 22px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);z-index:5}
.tb-collapse{color:var(--text3);padding:6px;border-radius:6px}
.tb-collapse:hover{background:var(--surface2);color:var(--text)}
.searchbox{flex:0 1 380px;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:6px 12px;color:var(--text3);font-size:13px;cursor:pointer;transition:border-color .15s}
.searchbox:hover{border-color:var(--text3)}
.searchbox kbd{margin-left:auto;font-family:var(--mono);font-size:10.5px;background:var(--surface2);border:1px solid var(--border);border-radius:4px;padding:1px 5px;color:var(--text3)}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.tb-icon{padding:7px;border-radius:var(--r);color:var(--text2)}
.tb-icon:hover{background:var(--surface2);color:var(--text)}
.tb-icon svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.sync-pill{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--text3);font-family:var(--mono)}

.view{flex:1;overflow-y:auto;scroll-behavior:smooth}
.page{max-width:1060px;margin:0 auto;padding:36px 40px 80px;animation:pagein .35s var(--ease)}
@keyframes pagein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.page-title{font-size:26px;font-weight:650;letter-spacing:-.03em;margin-bottom:4px}
.page-sub{color:var(--text2);font-size:14px;margin-bottom:30px}

/* ===== Componentes base ===== */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--r);font-size:13px;font-weight:550;border:1px solid var(--border);background:var(--surface);transition:all .15s var(--ease)}
.btn:hover{border-color:var(--text3)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--text);color:var(--bg);border-color:var(--text)}
.btn.primary:hover{opacity:.88}
.btn.accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.ghost{border-color:transparent;background:transparent;color:var(--text2)}
.btn.ghost:hover{background:var(--surface2);color:var(--text)}
.btn.sm{padding:5px 11px;font-size:12px}
.btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.chip{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;font-size:11px;font-weight:500;background:var(--surface2);color:var(--text2)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:0 1px 2px var(--shadow)}
.hr{height:1px;background:var(--border);border:none;margin:26px 0}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:12.5px;font-weight:550;color:var(--text2)}
.input{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:8px 12px;font-size:13.5px;outline:none;transition:border-color .15s;width:100%}
.input:focus{border-color:var(--accent)}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text3) 50%),linear-gradient(135deg,var(--text3) 50%,transparent 50%);background-position:calc(100% - 16px) 55%,calc(100% - 11px) 55%;background-size:5px 5px;background-repeat:no-repeat}

/* toggle */
.toggle{width:36px;height:21px;border-radius:99px;background:var(--surface2);border:1px solid var(--border);position:relative;transition:background .2s;flex-shrink:0}
.toggle::after{content:'';position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;background:var(--surface);box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s var(--spring)}
.toggle.on{background:var(--accent);border-color:var(--accent)}
.toggle.on::after{transform:translateX(15px);background:#fff}

/* slider */
.slider{-webkit-appearance:none;width:100%;height:3px;border-radius:2px;background:var(--surface2);outline:none}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:var(--accent);cursor:pointer;border:2.5px solid var(--surface);box-shadow:0 1px 4px var(--shadow);transition:transform .15s var(--spring)}
.slider::-webkit-slider-thumb:hover{transform:scale(1.25)}

/* progress */
.pbar{height:3px;border-radius:2px;background:var(--surface2);overflow:hidden}
.pbar i{display:block;height:100%;background:var(--accent);border-radius:2px;transition:width .6s var(--ease)}

/* row de ajuste */
.setrow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--border)}
.setrow:last-child{border-bottom:none}
.setrow .sr-t{font-size:13.5px;font-weight:520}
.setrow .sr-d{font-size:12px;color:var(--text3);margin-top:2px;max-width:420px}
.setrow .sr-ctrl{flex-shrink:0;display:flex;align-items:center;gap:10px}
.sr-val{font-family:var(--mono);font-size:12px;color:var(--text2);min-width:52px;text-align:right}

/* segmented */
.seg{display:inline-flex;background:var(--surface2);border-radius:var(--r);padding:2.5px;gap:2px}
.seg button{padding:5px 12px;border-radius:6px;font-size:12px;font-weight:520;color:var(--text2);transition:all .18s var(--ease)}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 3px var(--shadow)}

/* ===== Portadas ===== */
.cover{border-radius:5px;position:relative;overflow:hidden;box-shadow:0 4px 14px var(--shadow),inset 0 0 0 1px rgba(255,255,255,.06);display:flex;flex-direction:column;justify-content:space-between;padding:11%;transition:transform .3s var(--ease),box-shadow .3s var(--ease);flex-shrink:0}
.cover::before{content:'';position:absolute;left:0;top:0;bottom:0;width:5%;background:linear-gradient(90deg,rgba(0,0,0,.22),transparent)}
.cover .c-label{font-family:var(--serif);font-weight:600;font-size:1.6em;letter-spacing:-.02em}
.cover .c-title{font-family:var(--serif);font-size:.62em;line-height:1.35;font-weight:500}
.cover .c-author{font-size:.42em;text-transform:uppercase;letter-spacing:.12em;opacity:.75;margin-top:.5em}
.cover .c-rule{height:2px;width:26%;margin-bottom:.6em}

/* ===== Inicio ===== */
.hero-cr{display:flex;gap:32px;padding:28px;align-items:stretch}
.hero-cr .cover{width:132px;font-size:20px;cursor:pointer}
.hero-cr .cover:hover{transform:translateY(-4px) rotate(-.6deg);box-shadow:0 14px 30px var(--shadow)}
.hero-info{flex:1;display:flex;flex-direction:column;min-width:0}
.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:600;margin-bottom:8px}
.hero-info h2{font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:-.01em}
.hero-info .h-author{color:var(--text2);font-size:13.5px;margin:3px 0 14px}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:16px}
.hm{display:flex;flex-direction:column;gap:2px}
.hm b{font-family:var(--mono);font-size:13px;font-weight:500}
.hm span{font-size:11px;color:var(--text3)}
.hero-actions{display:flex;gap:10px;margin-top:auto;align-items:center;flex-wrap:wrap}
.hero-wpm{font-family:var(--mono);font-size:11.5px;color:var(--text3);margin-left:4px}
.statgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-top:26px}
.stat{background:var(--surface);padding:18px 16px}
.stat b{display:block;font-family:var(--mono);font-size:19px;font-weight:500;letter-spacing:-.02em}
.stat b em{font-style:normal;font-size:12px;color:var(--text3)}
.stat span{font-size:11.5px;color:var(--text3)}
.stat .delta{font-size:10.5px;color:#3fb96f;font-family:var(--mono)}
.home-cols{display:grid;grid-template-columns:1.35fr 1fr;gap:22px;margin-top:26px}
.panel{padding:22px}
.panel h3{font-size:14px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}
.panel h3 a{font-size:12px;color:var(--text3);font-weight:450;text-decoration:none}
.panel h3 a:hover{color:var(--accent)}
.weekchart{display:flex;align-items:flex-end;gap:10px;height:110px;margin-top:8px}
.wc-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;height:100%;justify-content:flex-end}
.wc-bar{width:100%;max-width:30px;border-radius:4px 4px 2px 2px;background:var(--surface2);position:relative;overflow:hidden;transition:height .7s var(--spring)}
.wc-bar i{position:absolute;bottom:0;left:0;right:0;background:var(--accent);border-radius:inherit}
.wc-col span{font-size:10.5px;color:var(--text3);font-family:var(--mono)}
.smart-tip{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:var(--r-lg);background:color-mix(in srgb,var(--accent) 6%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 22%,var(--border));margin-top:22px;font-size:13.5px;line-height:1.5}
.smart-tip svg{width:17px;height:17px;stroke:var(--accent);fill:none;stroke-width:1.7;flex-shrink:0;margin-top:1px;stroke-linecap:round;stroke-linejoin:round}
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:22px;margin-top:16px}
.shelf-item{cursor:pointer}
.shelf-item .cover{width:100%;font-size:16px;aspect-ratio:auto}
.shelf-item:hover .cover{transform:translateY(-5px);box-shadow:0 12px 26px var(--shadow)}
.shelf-item .s-t{font-size:12.5px;font-weight:550;margin-top:9px;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.shelf-item .s-a{font-size:11px;color:var(--text3);margin-top:1px}
.shelf-item .pbar{margin-top:7px}

/* ===== Biblioteca ===== */
.lib-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:22px;flex-wrap:wrap}
.lib-tabs{display:flex;gap:2px}
.lib-tabs button{padding:6px 13px;border-radius:var(--r);font-size:13px;color:var(--text2);font-weight:500}
.lib-tabs button.on{background:var(--surface2);color:var(--text);font-weight:560}
.libgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:26px 22px}
.doc-card{cursor:pointer;position:relative}
.doc-card .cover{width:100%;font-size:18px}
.doc-card:hover .cover{transform:translateY(-5px);box-shadow:0 14px 30px var(--shadow)}
.dc-hover{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px;opacity:0;transition:opacity .2s var(--ease);background:rgba(10,10,10,.45);border-radius:5px;backdrop-filter:blur(2px)}
.doc-card:hover .dc-hover{opacity:1}
.dc-hover button{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.94);color:#111;display:flex;align-items:center;justify-content:center;transition:transform .15s var(--spring)}
.dc-hover button:hover{transform:scale(1.12)}
.dc-hover button svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dc-meta{margin-top:10px}
.dc-meta .t{font-size:13px;font-weight:560;line-height:1.3}
.dc-meta .a{font-size:11.5px;color:var(--text3);margin-top:2px}
.dc-foot{display:flex;align-items:center;gap:7px;margin-top:7px;font-size:10.5px;color:var(--text3);font-family:var(--mono)}
.dc-foot .pbar{flex:1}
.ftype{font-size:9px;font-family:var(--mono);border:1px solid var(--border);border-radius:4px;padding:1px 4px;color:var(--text3);letter-spacing:.05em}
.liblist{display:flex;flex-direction:column}
.ll-row{display:grid;grid-template-columns:44px 1fr 120px 130px 90px 110px 32px;gap:14px;align-items:center;padding:11px 14px;border-radius:var(--r-lg);cursor:pointer;transition:background .15s}
.ll-row:hover{background:var(--surface)}
.ll-row .cover{width:34px;font-size:5px;padding:8%}
.ll-t{font-size:13.5px;font-weight:550}
.ll-a{font-size:11.5px;color:var(--text3)}
.ll-cell{font-size:12px;color:var(--text2);font-family:var(--mono)}
.ll-head{display:grid;grid-template-columns:44px 1fr 120px 130px 90px 110px 32px;gap:14px;padding:6px 14px;font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--text3)}

/* ===== Empty states ===== */
.empty{display:flex;flex-direction:column;align-items:center;text-align:center;padding:70px 20px;color:var(--text2)}
.empty .e-glyph{width:64px;height:64px;border-radius:16px;border:1px dashed var(--text3);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--text3)}
.empty .e-glyph svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.empty h3{font-size:15px;color:var(--text);margin-bottom:6px}
.empty p{font-size:13px;max-width:340px;line-height:1.5;margin-bottom:18px}

/* ===== Modales ===== */
.overlay{position:fixed;inset:0;background:rgba(8,8,10,.45);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadein .2s var(--ease);padding:20px}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.3);width:min(620px,100%);max-height:88vh;overflow-y:auto;animation:modalin .3s var(--spring)}
@keyframes modalin{from{opacity:0;transform:scale(.96) translateY(12px)}to{opacity:1;transform:none}}
.modal-h{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 0}
.modal-h h3{font-size:16px}
.modal-b{padding:20px 24px 24px}
.modal-x{color:var(--text3);padding:5px;border-radius:6px}
.modal-x:hover{background:var(--surface2);color:var(--text)}
.dropzone{border:1.5px dashed var(--border);border-radius:var(--r-lg);padding:38px 20px;text-align:center;transition:all .2s;cursor:pointer;background:var(--bg)}
.dropzone:hover,.dropzone.over{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 4%,var(--bg))}
.dropzone .dz-ico{width:44px;height:44px;margin:0 auto 12px;border-radius:12px;background:var(--surface2);display:flex;align-items:center;justify-content:center}
.dropzone .dz-ico svg{width:20px;height:20px;stroke:var(--text2);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.imp-tabs{display:flex;gap:4px;margin-bottom:18px;background:var(--surface2);padding:3px;border-radius:var(--r)}
.imp-tabs button{flex:1;padding:6px;border-radius:6px;font-size:12.5px;font-weight:520;color:var(--text2)}
.imp-tabs button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 3px var(--shadow)}
.fmt-row{display:flex;gap:6px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.imp-file{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-lg);margin-top:10px;animation:pagein .3s var(--ease)}
.imp-file .fi{width:34px;height:42px;border-radius:4px;background:var(--surface2);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:9px;color:var(--text2);flex-shrink:0}
.imp-prog{position:relative;height:3px;background:var(--surface2);border-radius:2px;overflow:hidden;margin-top:7px}
.imp-prog i{position:absolute;inset:0;width:40%;background:var(--accent);border-radius:2px;animation:scan 1.3s var(--ease) infinite}
@keyframes scan{0%{transform:translateX(-100%)}100%{transform:translateX(350%)}}

/* ===== Toast ===== */
#toast-root{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--text);color:var(--bg);padding:10px 18px;border-radius:99px;font-size:13px;font-weight:520;box-shadow:0 8px 26px rgba(0,0,0,.25);display:flex;align-items:center;gap:9px;animation:toastin .35s var(--spring)}
.toast svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@keyframes toastin{from{opacity:0;transform:translateY(14px) scale(.95)}to{opacity:1;transform:none}}
.toast.out{animation:toastout .3s var(--ease) forwards}
@keyframes toastout{to{opacity:0;transform:translateY(10px) scale(.96)}}

/* ===== Command palette ===== */
.cmdk{width:min(560px,92vw);background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.35);overflow:hidden;animation:modalin .25s var(--spring)}
.cmdk input{width:100%;border:none;outline:none;background:transparent;padding:17px 20px;font-size:15px}
.cmdk-list{max-height:340px;overflow-y:auto;border-top:1px solid var(--border);padding:7px}
.cmdk-sec{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--text3);padding:10px 12px 5px}
.cmdk-item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:var(--r);cursor:pointer;font-size:13.5px}
.cmdk-item svg{width:16px;height:16px;stroke:var(--text3);fill:none;stroke-width:1.6;flex-shrink:0;stroke-linecap:round;stroke-linejoin:round}
.cmdk-item.sel{background:var(--surface2)}
.cmdk-item.sel svg{stroke:var(--accent)}
.cmdk-item .ck-sub{color:var(--text3);font-size:12px;margin-left:auto;font-family:var(--mono)}

/* ===== Lector tradicional ===== */
.reader{position:fixed;inset:0;background:var(--bg);z-index:40;display:flex;flex-direction:column;animation:fadein .3s var(--ease)}
.reader-top{display:flex;align-items:center;gap:10px;padding:12px 20px;position:absolute;top:0;left:0;right:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--border);opacity:1;transition:opacity .4s,transform .4s var(--ease)}
.reader.hide-ui .reader-top{opacity:0;transform:translateY(-8px);pointer-events:none}
.reader-title{font-size:13px;font-weight:550;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.reader-title span{color:var(--text3);font-weight:450}
.reader-body{flex:1;overflow-y:auto;padding:90px 24px 120px}
.reader-col{max-width:var(--read-w,640px);margin:0 auto;font-family:var(--serif);font-size:var(--read-fs,18px);line-height:var(--read-lh,1.75);color:var(--text)}
.reader-col h2{font-size:1.5em;margin:0 0 .3em;font-weight:600;letter-spacing:-.015em}
.reader-col .ch-label{font-family:var(--sans);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:600;margin-bottom:14px}
.reader-col p{margin-bottom:1.15em;text-align:var(--read-align,left)}
.reader-foot{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:16px;padding:14px;font-family:var(--mono);font-size:11px;color:var(--text3);background:linear-gradient(transparent,var(--bg) 60%);transition:opacity .4s}
.reader.hide-ui .reader-foot{opacity:0}
.side-panel{position:absolute;top:0;bottom:0;width:300px;background:var(--surface);border-left:1px solid var(--border);right:0;z-index:6;transform:translateX(100%);transition:transform .32s var(--ease);display:flex;flex-direction:column;box-shadow:-12px 0 30px var(--shadow)}
.side-panel.open{transform:none}
.side-panel.left{left:0;right:auto;border-left:none;border-right:1px solid var(--border);transform:translateX(-100%);box-shadow:12px 0 30px var(--shadow)}
.side-panel.left.open{transform:none}
.sp-h{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border);font-size:13.5px;font-weight:600}
.sp-b{flex:1;overflow-y:auto;padding:12px}
.toc-item{display:flex;justify-content:space-between;gap:10px;width:100%;text-align:left;padding:8px 10px;border-radius:var(--r);font-size:13px;color:var(--text2)}
.toc-item:hover{background:var(--surface2);color:var(--text)}
.toc-item.on{color:var(--accent);font-weight:560}
.toc-item span{font-family:var(--mono);font-size:11px;color:var(--text3)}
.minimap{position:absolute;right:8px;top:80px;bottom:100px;width:3px;border-radius:2px;background:var(--surface2);transition:opacity .3s}
.minimap i{position:absolute;left:0;right:0;background:var(--accent);border-radius:2px;opacity:.8}
.read-prog{position:absolute;top:0;left:0;height:2px;background:var(--accent);z-index:9;transition:width .3s var(--ease)}

/* ===== RSVP ===== */
.rsvp{position:fixed;inset:0;background:var(--bg);z-index:50;display:flex;flex-direction:column;animation:fadein .35s var(--ease);overflow:hidden}
.rsvp-top{display:flex;align-items:center;gap:10px;padding:14px 22px;transition:opacity .45s,transform .45s var(--ease)}
.rsvp.playing .rsvp-top{opacity:0;transform:translateY(-10px);pointer-events:none}
.rsvp-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;min-height:0}
.orp-guides{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none}
.orp-guides .gv{position:absolute;left:0;top:-58px;width:1.5px;height:34px;background:color-mix(in srgb,var(--text3) 55%,transparent);transform:translateX(-50%)}
.orp-guides .gv.b{top:auto;bottom:-58px}
.rsvp-word{font-family:var(--rsvp-font,var(--serif));font-size:var(--rsvp-size,54px);font-weight:var(--rsvp-weight,500);letter-spacing:.01em;white-space:pre;display:flex;line-height:1;position:relative;transition:opacity var(--rsvp-tdur,80ms) var(--ease)}
.rsvp-word.tick{animation:wordtick var(--rsvp-tdur,80ms) var(--ease)}
@keyframes wordtick{from{opacity:.25}to{opacity:1}}
.rsvp-word .pre,.rsvp-word .post{color:var(--text)}
.rsvp-word .orp{color:var(--orp)}
.rsvp-ctx{position:absolute;left:0;right:0;text-align:center;font-family:var(--serif);font-size:15px;color:var(--text3);opacity:var(--ctx-op,.45);max-width:560px;margin:0 auto;line-height:1.6;transition:opacity .3s}
.rsvp-ctx.prev{bottom:calc(50% + 110px)}
.rsvp-ctx.next{top:calc(50% + 110px)}
.rsvp.playing .rsvp-ctx{opacity:0}
.pause-card{position:absolute;top:calc(50% + 90px);left:50%;transform:translateX(-50%);width:min(600px,88vw);text-align:center;animation:pausein .4s var(--ease)}
@keyframes pausein{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}
.pause-card .pc-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--text3);margin-bottom:10px}
.pause-card .pc-sent{font-family:var(--serif);font-size:16.5px;line-height:1.65;color:var(--text2)}
.pause-card .pc-sent mark{background:transparent;color:var(--text);font-weight:600;border-bottom:2px solid var(--orp)}
.adapt-ind{position:absolute;top:calc(50% - 120px);left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10.5px;color:var(--text3);display:flex;align-items:center;gap:6px;opacity:0;transition:opacity .3s}
.adapt-ind.show{opacity:1}
.adapt-ind i{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.3}}
.rsvp-bar{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:4px;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--border);backdrop-filter:blur(16px);border-radius:14px;padding:8px 10px;box-shadow:0 12px 40px var(--shadow);transition:opacity .4s,transform .4s var(--ease),filter .4s}
.rsvp.playing.idle .rsvp-bar{opacity:0;transform:translate(-50%,14px);filter:blur(4px);pointer-events:none}
.rb-btn{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:var(--text2);transition:all .15s var(--spring)}
.rb-btn:hover{background:var(--surface2);color:var(--text)}
.rb-btn:active{transform:scale(.9)}
.rb-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.rb-btn.play{width:44px;height:44px;background:var(--accent);color:#fff;border-radius:12px}
.rb-btn.play:hover{opacity:.9;background:var(--accent)}
.rb-btn.play svg{fill:currentColor;stroke:none;width:15px;height:15px}
.rb-sep{width:1px;height:22px;background:var(--border);margin:0 5px}
.rb-speed{display:flex;align-items:center;gap:6px;padding:0 6px}
.rb-speed b{font-family:var(--mono);font-size:12.5px;font-weight:500;min-width:60px;text-align:center}
.rb-speed button{color:var(--text3);width:22px;height:22px;border-radius:6px;font-size:14px}
.rb-speed button:hover{background:var(--surface2);color:var(--text)}
.rsvp-foot{position:absolute;bottom:0;left:0;right:0;height:2.5px;background:var(--surface2)}
.rsvp-foot i{display:block;height:100%;background:var(--accent);transition:width .25s linear}
.rsvp-hud{position:absolute;top:64px;right:22px;display:flex;gap:16px;font-family:var(--mono);font-size:11px;color:var(--text3);transition:opacity .45s,top .45s var(--ease)}
.rsvp.playing .rsvp-hud{top:18px}
.rsvp.playing .rsvp-hud{opacity:.5}
.rsvp-settings{position:absolute;top:0;right:0;bottom:0;width:330px;background:var(--surface);border-left:1px solid var(--border);transform:translateX(100%);transition:transform .32s var(--ease);z-index:8;display:flex;flex-direction:column;box-shadow:-16px 0 40px var(--shadow)}
.rsvp-settings.open{transform:none}

/* ===== Temas (selector) ===== */
.themegrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px}
.theme-card{border-radius:var(--r-lg);border:1.5px solid var(--border);overflow:hidden;cursor:pointer;transition:all .2s var(--ease);text-align:left}
.theme-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px var(--shadow)}
.theme-card.on{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.tc-prev{height:96px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.tc-word{font-family:var(--serif);font-size:21px;font-weight:500}
.tc-lines{display:flex;flex-direction:column;gap:4px;align-items:center}
.tc-lines i{height:3px;border-radius:2px;display:block}
.tc-meta{padding:11px 14px;border-top:1px solid var(--border);background:var(--surface)}
.tc-meta b{font-size:13px;font-weight:560;display:block}
.tc-meta span{font-size:11px;color:var(--text3)}

/* ===== Stats ===== */
.chart-line{width:100%;height:190px}
.chart-line path.l{fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-dasharray:1200;stroke-dashoffset:1200;animation:draw 1.4s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.chart-line path.a{fill:url(#lg);opacity:0;animation:fadein .8s .5s forwards}
.heatcal{display:grid;grid-template-columns:repeat(26,1fr);gap:3px}
.heatcal i{aspect-ratio:1;border-radius:2.5px;background:var(--surface2)}
.heatcal i.l1{background:color-mix(in srgb,var(--accent) 25%,var(--surface2))}
.heatcal i.l2{background:color-mix(in srgb,var(--accent) 50%,var(--surface2))}
.heatcal i.l3{background:color-mix(in srgb,var(--accent) 75%,var(--surface2))}
.heatcal i.l4{background:var(--accent)}
.statgrid.four{grid-template-columns:repeat(4,1fr)}
.hbar-row{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:12.5px}
.hbar-row .lbl{width:110px;color:var(--text2);flex-shrink:0}
.hbar-row .bar{flex:1;height:7px;border-radius:4px;background:var(--surface2);overflow:hidden}
.hbar-row .bar i{display:block;height:100%;border-radius:4px;background:var(--accent);animation:grow .9s var(--ease)}
@keyframes grow{from{width:0}}
.hbar-row .val{font-family:var(--mono);font-size:11.5px;color:var(--text3);width:46px;text-align:right}

/* ===== Notas ===== */
.note-card{padding:18px 20px;margin-bottom:14px;cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s}
.note-card:hover{transform:translateY(-2px);box-shadow:0 8px 22px var(--shadow)}
.note-q{font-family:var(--serif);font-size:15px;line-height:1.6;padding-left:14px;border-left:3px solid var(--hl,#e8b04b)}
.note-n{font-size:13px;color:var(--text2);margin-top:10px;line-height:1.5}
.note-meta{display:flex;gap:12px;margin-top:12px;font-size:11px;color:var(--text3);font-family:var(--mono);align-items:center}
.hl-dot{width:9px;height:9px;border-radius:50%}

/* ===== Onboarding ===== */
.onb{position:fixed;inset:0;background:var(--bg);z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}
.onb-card{width:min(520px,100%);text-align:center;animation:pagein .4s var(--ease)}
.onb-steps{display:flex;gap:6px;justify-content:center;margin-bottom:44px}
.onb-steps i{width:26px;height:3px;border-radius:2px;background:var(--surface2);transition:background .3s}
.onb-steps i.on{background:var(--accent)}
.onb h1{font-size:28px;letter-spacing:-.03em;margin-bottom:12px}
.onb .serif-big{font-family:var(--serif)}
.onb p{color:var(--text2);font-size:14.5px;line-height:1.6;max-width:400px;margin:0 auto 30px}
.onb-demo-word{font-family:var(--serif);font-size:48px;font-weight:500;margin:34px 0 44px;height:60px;display:flex;justify-content:center;align-items:center}
.onb-actions{display:flex;gap:10px;justify-content:center}
.onb-skip{position:absolute;top:24px;right:28px;color:var(--text3);font-size:13px}
.onb-skip:hover{color:var(--text)}
.calib-num{font-family:var(--mono);font-size:44px;letter-spacing:-.02em;margin:20px 0 6px}
.calib-num em{font-style:normal;font-size:15px;color:var(--text3)}

/* ===== Study mode ===== */
.study{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 240px;gap:1px;background:var(--border);position:fixed;inset:0;z-index:40;padding-top:54px}
.study>section{background:var(--bg);overflow-y:auto;padding:24px 28px}
.study .st-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--text3);margin-bottom:14px;font-weight:600}
.study-top{position:fixed;top:0;left:0;right:0;height:54px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;padding:0 20px;z-index:41}

/* ===== Misc ===== */
.kbd-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.kbd-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);font-size:13.5px}
.kbd-row kbd{font-family:var(--mono);font-size:11.5px;background:var(--surface2);border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:2px 7px;color:var(--text2)}
.ach{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--r-lg);border:1px solid var(--border);background:var(--surface)}
.ach.locked{opacity:.55}
.ach-medal{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--accent);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}
.ach.locked .ach-medal{border-color:var(--text3);color:var(--text3);border-style:dashed}
.ach-medal svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.settings-layout{display:grid;grid-template-columns:190px 1fr;gap:40px}
.set-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:0;height:fit-content}
.set-nav button{text-align:left;padding:7px 11px;border-radius:var(--r);font-size:13px;color:var(--text2)}
.set-nav button.on{background:var(--surface2);color:var(--text);font-weight:550}
.color-swatch{width:26px;height:26px;border-radius:7px;border:1px solid var(--border);padding:0;overflow:hidden;cursor:pointer}
.color-swatch input{width:150%;height:150%;transform:translate(-15%,-15%);border:none;cursor:pointer}
.detail-hero{display:flex;gap:36px}
.detail-hero .cover{width:180px;font-size:26px}
.detail-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin:24px 0}
.session-row{display:grid;grid-template-columns:1fr 110px 90px 90px 90px 80px;gap:12px;padding:12px 16px;border-radius:var(--r);align-items:center;font-size:12.5px}
.session-row:hover{background:var(--surface)}
.session-row .mono{color:var(--text2);font-size:12px}
.vocab-card{padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.level-dots{display:flex;gap:3px}
.level-dots i{width:6px;height:6px;border-radius:50%;background:var(--surface2)}
.level-dots i.on{background:var(--accent)}
.summary-hero{text-align:center;padding:14px 0 6px}
.summary-hero .big{font-family:var(--mono);font-size:42px;letter-spacing:-.03em}
.sum-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin:20px 0}

/* ===== Móvil ===== */
.bottomnav{display:none}
@media (max-width:920px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:60;transform:translateX(-100%);transition:transform .3s var(--ease);width:270px}
  .sidebar.mob-open{transform:none;box-shadow:20px 0 60px rgba(0,0,0,.3)}
  .statgrid{grid-template-columns:repeat(3,1fr)}
  .statgrid.four{grid-template-columns:repeat(2,1fr)}
  .home-cols{grid-template-columns:1fr}
  .page{padding:22px 18px 110px}
  .hero-cr{flex-direction:row;gap:18px;padding:18px}
  .hero-cr .cover{width:92px;font-size:14px}
  .hero-info h2{font-size:19px}
  .kbd-grid{grid-template-columns:1fr}
  .settings-layout{grid-template-columns:1fr;gap:16px}
  .set-nav{flex-direction:row;overflow-x:auto;position:static}
  .set-nav button{white-space:nowrap}
  .lib-toolbar .seg,.searchbox{display:none}
  .libgrid{grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:18px 14px}
  .ll-row,.ll-head{grid-template-columns:44px 1fr 90px}
  .ll-cell:nth-child(n+4),.ll-head span:nth-child(n+4){display:none}
  .detail-hero{flex-direction:column;align-items:center;text-align:center}
  .detail-stats{grid-template-columns:repeat(2,1fr)}
  .study{grid-template-columns:1fr;grid-template-rows:1fr 1fr 200px}
  .bottomnav{display:flex;position:fixed;bottom:0;left:0;right:0;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(16px);border-top:1px solid var(--border);z-index:55;padding:6px 8px calc(6px + env(safe-area-inset-bottom))}
  .bottomnav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px;font-size:10px;color:var(--text3);border-radius:var(--r)}
  .bottomnav button.on{color:var(--accent)}
  .bottomnav svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .rsvp-bar{bottom:calc(18px + env(safe-area-inset-bottom));max-width:94vw;flex-wrap:nowrap;overflow-x:auto}
  :root{--rsvp-size:38px}
  .rsvp-word{font-size:38px}
  .rsvp-settings{width:100%;border-left:none}
  .modal{max-height:92vh}
  .hero-actions .btn{padding:8px 12px}
}
@media (max-width:560px){
  .statgrid{grid-template-columns:repeat(2,1fr)}
  .hero-meta{gap:14px}
  .session-row{grid-template-columns:1fr 90px 70px}
  .session-row div:nth-child(n+4){display:none}
}