:root{--bg:#f4f0e8;--paper:#fffdf8;--ink:#171a16;--muted:#70685c;--line:#ded2bf;--green:#087866;--blue:#245f9f;--amber:#b7791f;--red:#b8432f;--shadow:0 18px 45px rgba(55,48,39,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif}button,input,textarea{font:inherit}.app{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.sidebar{background:#151814;color:#f9f4ea;padding:20px;display:flex;flex-direction:column;gap:22px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px}.brand span{width:42px;height:42px;border-radius:10px;background:var(--green);display:grid;place-items:center;font-weight:900}.brand strong{display:block}.brand small{display:block;color:#c9c2b7}.sidebar nav{display:grid;gap:6px}.sidebar button{height:42px;border:0;border-radius:9px;background:transparent;color:#e9dfcf;text-align:left;padding:0 12px;font-weight:800;cursor:pointer}.sidebar button.active,.sidebar button:hover{background:#283029;color:white}.sidebar footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.14);padding-top:14px;display:grid;gap:6px}.sidebar a{color:#f9f4ea;text-decoration:none}.main{min-width:0}.top{height:88px;padding:22px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px}.top h1{margin:2px 0 0;font-size:31px}.top small{color:var(--muted);font-weight:800}.top input{width:min(430px,42vw);height:44px;border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:0 14px;outline:0}#screen{padding:0 30px 34px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:18px}.grid{display:grid;gap:16px}.two{grid-template-columns:minmax(0,1fr) 390px}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}.metric{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:15px;box-shadow:var(--shadow)}.metric span{display:block;color:var(--muted);font-size:13px}.metric strong{font-size:28px}.hero{background:linear-gradient(135deg,#fffdf8,#e7f5ef);border:1px solid var(--line);border-radius:10px;padding:22px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:18px}.hero h2{font-size:28px;margin:4px 0}.hero p{color:var(--muted);margin:0}.btn{height:40px;border:0;border-radius:9px;padding:0 14px;background:var(--green);color:white;font-weight:900;cursor:pointer}.btn.secondary{background:#e8dfd0;color:#312b23}.btn.red{background:var(--red)}.actions{display:flex;gap:9px;flex-wrap:wrap}.chips{display:flex;gap:7px;flex-wrap:wrap}.chip{border-radius:999px;padding:5px 8px;font-size:12px;background:#eee4d5;color:#5c5145}.chip.green{background:#dff2ea;color:#075f50}.chip.blue{background:#dcecff;color:#235383}.chip.amber{background:#fff0cc;color:#7c4b08}.progress{height:8px;border-radius:999px;background:#e0d5c3;overflow:hidden}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--green),#3aa08d)}.list{display:grid;gap:10px}.row{border:1px solid var(--line);border-radius:10px;background:#fffefb;padding:13px;display:grid;gap:8px}.row.click{cursor:pointer}.row.click:hover{border-color:var(--green);box-shadow:0 12px 26px rgba(8,120,102,.12)}.row h3{font-size:16px;margin:0}.row p{margin:0;color:var(--muted);line-height:1.45}.row-head{display:flex;justify-content:space-between;gap:12px}.cycle-hero{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:16px;margin-bottom:16px}.timer{background:#151814;color:white;border-radius:10px;padding:18px;display:grid;gap:8px}.timer strong{font-size:40px}.cycle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.cycle-card{border:1px solid var(--line);border-left:5px solid var(--green);border-radius:10px;background:#fffefb;padding:14px;display:grid;gap:9px;cursor:pointer;position:relative}.cycle-card.current{background:#eefaf5;border-color:var(--green);box-shadow:0 16px 34px rgba(8,120,102,.16)}.cycle-card.locked{opacity:.62;border-left-color:var(--amber);cursor:default}.cycle-card b{font-size:17px;padding-right:34px}.cycle-card .num{position:absolute;right:12px;top:12px;width:30px;height:30px;border-radius:50%;background:#151814;color:#fff;display:grid;place-items:center;font-weight:900}.reader{display:grid;gap:12px}.reader-bar{position:sticky;top:0;z-index:5;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;box-shadow:var(--shadow)}.reader-bar h2{font-size:17px;margin:0}.reader-bar small{color:var(--muted)}.reader-bar input{width:78px;height:38px;border:1px solid var(--line);border-radius:8px;text-align:center}.pdfbox{height:72vh;min-height:520px;background:#2d2d2b;border-radius:10px;overflow:hidden}.pdfbox iframe{width:100%;height:100%;border:0;display:block}.notes{display:grid;grid-template-columns:1fr 1fr;gap:12px}.notes textarea{width:100%;min-height:150px;border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:12px;resize:vertical}.empty{min-height:260px;display:grid;place-items:center;text-align:center;color:var(--muted)}.login-body,.setup-body{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card,.setup-card{width:min(560px,100%);background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:26px}.login-card h1,.setup-card h1{margin:22px 0 8px}.login-card p,.setup-card p{color:var(--muted)}.login-form{display:grid;gap:12px}.login-form label{display:grid;gap:6px;font-weight:800}.login-form input{height:44px;border:1px solid var(--line);border-radius:9px;padding:0 12px}.setup-error{padding:12px;border:1px solid #efb29c;background:#fff1eb;color:#8b2d1f;border-radius:9px;margin:12px 0}.setup-ok{padding:12px;border:1px solid #9dd8c9;background:#ebfaf4;color:#085f50;border-radius:9px;margin:12px 0}.diag-row{display:grid;grid-template-columns:1fr 70px 2fr;gap:12px;border-bottom:1px solid var(--line);padding:10px 0}.ok{color:var(--green);font-weight:900}.bad{color:var(--red);font-weight:900}
@media(max-width:1000px){.app{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.sidebar nav{grid-template-columns:repeat(3,1fr)}.top{height:auto;display:grid}.top input{width:100%}.two,.cycle-hero,.notes{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){#screen,.top{padding-left:16px;padding-right:16px}.metrics{grid-template-columns:1fr}.sidebar nav{grid-template-columns:repeat(2,1fr)}.reader-bar{grid-template-columns:1fr}.pdfbox{height:68vh;min-height:420px}}

.cycle-dashboard{display:grid;grid-template-columns:minmax(520px,1fr) 360px;gap:22px;align-items:center;margin-bottom:16px;overflow:hidden}
.cycle-wheel{--size:min(68vw,620px);width:var(--size);height:var(--size);margin:10px auto;position:relative;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) 0 var(--lap),#e5dac9 var(--lap) 100%);box-shadow:inset 0 0 0 22px #fbf7ee,0 24px 55px rgba(55,48,39,.12)}
.cycle-track{position:absolute;inset:54px;border:1px dashed #cdbfa9;border-radius:50%;pointer-events:none}
.cycle-center{width:210px;height:210px;border-radius:50%;background:#151814;color:#fff;display:grid;place-items:center;text-align:center;padding:24px;box-shadow:0 18px 45px rgba(20,24,20,.22);z-index:2}
.cycle-center span,.cycle-center small{color:#d7d0c3}.cycle-center strong{font-size:42px;line-height:1}.cycle-center .btn{height:36px;margin-top:4px}
.cycle-node{--radius:calc(var(--size)/2 - 58px);position:absolute;left:50%;top:50%;width:132px;min-height:82px;border:1px solid var(--line);border-radius:14px;background:#fffdf8;color:var(--ink);padding:10px;display:grid;gap:3px;place-items:center;text-align:center;cursor:pointer;box-shadow:0 12px 25px rgba(55,48,39,.12);transform:rotate(var(--angle)) translate(var(--radius)) rotate(calc(-1 * var(--angle))) translate(-50%,-50%)}
.cycle-node span{width:28px;height:28px;border-radius:50%;background:#151814;color:#fff;display:grid;place-items:center;font-weight:900}.cycle-node strong{font-size:12px;line-height:1.1}.cycle-node small{font-size:11px;color:var(--muted)}
.cycle-node.done{background:#e8f7f0;border-color:#89cdbb}.cycle-node.done span{background:var(--green)}.cycle-node.current{background:#eaf2ff;border-color:#8fb7e8;outline:5px solid rgba(36,95,159,.14)}.cycle-node.current span{background:var(--blue)}.cycle-node.pending{opacity:.86}
.cycle-now{display:grid;gap:14px}.cycle-now h2{font-size:26px;margin:0}.cycle-now p{color:var(--muted);line-height:1.55;margin:0}.now-lesson{border:1px solid var(--line);background:#fffdf8;border-radius:10px;padding:13px;display:grid;gap:5px}.now-lesson span{color:#3d352c;line-height:1.45}
.cycle-card.done-lap{background:#effaf5;border-left-color:var(--green)}.cycle-card.pending-lap{border-left-color:#d7c6ad}.cycle-card.current{background:#eaf2ff;border-color:#8fb7e8;border-left-color:var(--blue)}
@media(max-width:1180px){.cycle-dashboard{grid-template-columns:1fr}.cycle-wheel{--size:min(86vw,620px)}}
@media(max-width:760px){.cycle-wheel{--size:92vw;box-shadow:inset 0 0 0 16px #fbf7ee}.cycle-node{width:92px;min-height:68px;padding:7px;--radius:calc(var(--size)/2 - 42px)}.cycle-node strong{font-size:10px}.cycle-node small{display:none}.cycle-center{width:160px;height:160px}.cycle-center strong{font-size:32px}.cycle-center small{font-size:11px}}

.reader-timer{position:sticky;top:82px;z-index:4;background:#151814;color:#fff;border-radius:10px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:var(--shadow)}.reader-timer span,.reader-timer small{display:block;color:#d7d0c3}.reader-timer #readerTimer{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.reader-timer strong{font-size:26px}
.timer-dock{position:fixed;right:18px;bottom:18px;z-index:40;width:min(360px,calc(100vw - 36px));background:#151814;color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:14px;display:grid;gap:10px;box-shadow:0 22px 55px rgba(0,0,0,.28)}.timer-dock.hidden{display:none}.timer-dock span,.timer-dock small{display:block;color:#d7d0c3}.timer-dock strong{font-size:32px}.timer-dock .progress{background:#3a3d38}
.admin-layout{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:16px;align-items:start}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}.section-head h2{margin:0}.section-head p{margin:5px 0 0;color:var(--muted)}.admin-list{display:grid;gap:10px}.admin-item{border:1px solid var(--line);border-left:5px solid var(--green);border-radius:10px;background:#fffefb;padding:13px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center}.admin-item.current{background:#eaf2ff;border-color:#8fb7e8;border-left-color:var(--blue)}.admin-item h3{margin:3px 0;font-size:17px}.admin-item p{margin:0;color:var(--muted)}.admin-item span{display:block;color:#4b4035;font-size:13px;margin-top:5px}.cycle-form{display:grid;gap:11px}.cycle-form label{display:grid;gap:6px;font-weight:800}.cycle-form input,.cycle-form select,.cycle-form textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:#fffefb;padding:10px;outline:0}.cycle-form textarea{min-height:110px;resize:vertical}.cycle-form .check{display:flex;align-items:center;gap:9px}.cycle-form .check input{width:auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.admin-form-panel{position:sticky;top:14px}
.cycle-detail-kicker{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--blue)}.cycle-detail-list{display:grid;gap:8px}.cycle-detail-list span{border:1px solid var(--line);border-radius:9px;background:#fffdf8;padding:10px;color:#4b4035;line-height:1.35}.cycle-detail-list b{display:block;color:var(--ink);font-size:12px;margin-bottom:2px}.cycle-node:hover,.cycle-node:focus{outline:5px solid rgba(8,120,102,.16);border-color:var(--green);transform:rotate(var(--angle)) translate(var(--radius)) rotate(calc(-1 * var(--angle))) translate(-50%,-50%) scale(1.04)}.cycle-card:hover{border-color:var(--green);box-shadow:0 14px 30px rgba(8,120,102,.14)}.admin-cycle-panel{min-height:0}.admin-list{max-height:calc(100vh - 230px);overflow:auto;padding-right:4px;scrollbar-width:thin}
@media(max-width:1000px){.admin-layout{grid-template-columns:1fr}.admin-form-panel{position:relative;top:auto}.reader-timer{top:0}}
@media(max-width:1000px){.admin-list{max-height:none;overflow:visible;padding-right:0}}
@media(max-width:640px){.reader-timer{display:grid}.admin-item{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.timer-dock{left:12px;right:12px;bottom:12px;width:auto}}

.hidden{display:none!important}
.timer.compact{align-content:center;min-height:150px}
.timer-show{position:fixed;right:18px;bottom:18px;z-index:45;height:42px;border:0;border-radius:999px;padding:0 16px;background:#151814;color:#fff;font-weight:900;box-shadow:0 18px 45px rgba(0,0,0,.25);cursor:pointer}
.reader:fullscreen{height:100vh;background:var(--bg);padding:10px;display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:10px;overflow:hidden}
.reader:fullscreen .reader-bar{position:relative;top:auto}
.reader:fullscreen .pdfbox{height:auto;min-height:0;border-radius:8px}
.reader:fullscreen .notes{display:none}
.reader.reader-fullscreen{position:fixed;inset:0;z-index:120;background:var(--bg);padding:10px;display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:10px;overflow:hidden}
.reader.reader-fullscreen .reader-bar{position:relative;top:auto}
.reader.reader-fullscreen .pdfbox{height:auto;min-height:0;border-radius:8px}
.reader.reader-fullscreen .notes{display:none}
@media(max-width:640px){.timer-show{left:12px;right:12px;bottom:12px;width:auto}.reader:fullscreen,.reader.reader-fullscreen{padding:6px}.reader:fullscreen .reader-bar,.reader.reader-fullscreen .reader-bar{grid-template-columns:1fr}}

.admin-layout{grid-template-columns:1fr}.admin-form-panel{position:relative;top:auto}.admin-list{max-height:none;overflow:visible;padding-right:0}.upload-form,.doc-edit-form{border:1px solid var(--line);border-radius:10px;background:#fffefb;padding:14px;margin:12px 0}.upload-form h3,.doc-edit-form h3{margin:0 0 6px}.document-list{margin-top:14px}.doc-item{border-left-color:var(--blue)}.doc-item .actions a{text-decoration:none;display:inline-grid;place-items:center}
.pager{margin-top:12px;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px}.pager span{color:var(--muted);font-weight:800}.muted{color:var(--muted);line-height:1.45}.admin-cycle-panel .section-head .actions{justify-content:flex-end}