:root{
  --bg:#0a0c11; --panel:#11141c; --panel2:#171b26; --line:#232938; --text:#e8eaf0; --muted:#8890a4;
  --accent:#7c9cff; --accent-d:#5a7bf5; --math:#5fe0b0; --java:#ff9b6b; --study:#c58bff; --other:#8890a4; --class:#5b6b8f; --repeat:#ffc46b;
  --danger:#ff6b7a; --ok:#4ade80; --r:14px;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;background:var(--bg);color:var(--text);
  font:15px/1.45 -apple-system,"Segoe UI",Inter,Roboto,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
a{color:inherit}
input,select,textarea{font:inherit;color:var(--text);background:var(--panel2);border:1px solid var(--line);
  border-radius:10px;padding:9px 11px;width:100%;outline:none;transition:border-color .15s}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
input[type=checkbox]{width:auto;accent-color:var(--accent)}
textarea{resize:vertical;min-height:70px}
select option{background:var(--panel2)}
::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#2a3144;border-radius:8px}
code{background:#0c0f16;border:1px solid var(--line);padding:2px 7px;border-radius:6px;font-size:13px;word-break:break-all}

/* шапка */
.top{display:flex;align-items:center;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line);
  position:sticky;top:0;background:rgba(10,12,17,.88);backdrop-filter:blur(10px);z-index:20;flex-wrap:wrap}
.brand{font-weight:700;display:flex;align-items:center;gap:9px;font-size:16px}
.brand .logo{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#b58cff);display:grid;place-items:center;font-size:14px}
.chips{display:flex;gap:8px;margin-left:auto;flex-wrap:wrap;align-items:center}
.chip{background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;color:var(--muted);white-space:nowrap}
.chip b{color:var(--text);font-weight:600}
.chip.btn:hover{border-color:var(--accent);color:var(--text)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--muted);margin-right:6px}
.dot.on{background:var(--ok);box-shadow:0 0 8px var(--ok)}

/* сетка */
.layout{display:grid;grid-template-columns:minmax(340px,430px) 1fr;gap:18px;padding:18px 22px;max-width:1280px;margin:0 auto}
.col{display:flex;flex-direction:column;gap:18px;min-width:0}
@media(max-width:900px){
  .layout{display:flex;flex-direction:column;gap:14px;padding:14px}
  .col{display:contents}
  .c-cal{order:1}.c-day{order:2}.c-timer{order:3}.c-plan{order:4}.c-stats{order:5}
  .top{padding:12px 14px}
}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.card h3{margin:0;font-size:15px}
.row{display:flex;align-items:center;gap:10px}
.row.wrap{flex-wrap:wrap}
.sp{flex:1}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.btn{display:inline-block;padding:8px 13px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);transition:.15s;white-space:nowrap;text-decoration:none;text-align:center}
.btn:hover{border-color:#3a4360;background:#1d2231}
.btn.primary{background:var(--accent-d);border-color:var(--accent-d);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--accent)}
.btn.danger{color:var(--danger)}
.btn.ghost{background:none}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.big{padding:11px 26px;font-size:15px}
.btn[aria-disabled=true]{opacity:.5;pointer-events:none}
.icon{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--muted);transition:.15s}
.icon:hover{background:var(--panel2);color:var(--text)}

/* календарь */
.cal-head{display:flex;align-items:center;gap:6px;margin-bottom:12px}
.cal-head h3{font-size:16px;flex:1}
.dow,.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.dow span{text-align:center;font-size:11.5px;color:var(--muted);padding:4px 0}
.cell{aspect-ratio:1/1.02;border-radius:10px;background:var(--panel2);border:1px solid transparent;
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:6px 3px 5px;transition:.12s}
.cell:hover{border-color:#34405f}
.cell.out{opacity:.35}
.cell.today .n{background:var(--accent-d);color:#fff;border-radius:999px;padding:0 6px}
.cell.sel{border-color:var(--accent);background:#1b2238}
.cell .n{font-size:13px;font-weight:600;line-height:19px}
.cell .dots{display:flex;gap:3px;min-height:6px}
.cell .dots i{width:6px;height:6px;border-radius:50%}
.cell .mini{width:70%;height:3px;border-radius:3px;background:#262d40;overflow:hidden}
.cell .mini b{display:block;height:100%;background:var(--ok)}
.legend{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}

/* день */
.day-head{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px}
.day-head h2{margin:0;font-size:22px;letter-spacing:-.3px}
.progress{height:9px;background:#222838;border-radius:9px;overflow:hidden}
.progress b{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--ok));border-radius:9px;transition:width .4s}
.prog-line{display:flex;justify-content:space-between;gap:10px;margin:7px 0 14px;font-size:13px;color:var(--muted)}
.tasks{display:flex;flex-direction:column;gap:8px}
.task{display:flex;gap:11px;padding:11px 12px;background:var(--panel2);border:1px solid var(--line);border-left:3px solid var(--c,var(--other));border-radius:12px;align-items:flex-start;transition:.15s}
.task:hover{border-color:#34405f;border-left-color:var(--c)}
.task.done .t-title{text-decoration:line-through;color:var(--muted)}
.task.done{opacity:.7}
.task.active{box-shadow:0 0 0 1px var(--accent) inset}
.task.klass{background:transparent;border-style:dashed;border-left-style:solid;--c:var(--class)}
.task.klass .t-title{font-weight:500;color:#b9c2da}
.chk{width:22px;height:22px;border-radius:7px;border:2px solid #3a4360;display:grid;place-items:center;flex:none;margin-top:1px;transition:.15s}
.chk:hover{border-color:var(--accent)}
.task.done .chk{background:var(--ok);border-color:var(--ok);color:#06210f}
.chk svg{opacity:0;width:14px;height:14px}.task.done .chk svg{opacity:1}
.note-ico{width:22px;text-align:center;flex:none;margin-top:1px}
.t-main{flex:1;min-width:0}
.t-title{font-weight:600;word-break:break-word}
.t-meta{display:flex;flex-wrap:wrap;gap:6px 10px;margin-top:4px;font-size:12.5px;color:var(--muted);align-items:center}
.tag{padding:1px 8px;border-radius:999px;font-size:11.5px;border:1px solid currentColor}
.t-note{margin-top:6px;font-size:13.5px;color:#b5bbcb;white-space:pre-wrap;word-break:break-word}
.t-act{display:flex;gap:2px;flex:none}
.empty{text-align:center;color:var(--muted);padding:22px 10px;border:1px dashed var(--line);border-radius:12px}

/* таймер */
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:12px 0 16px}
.seg button{padding:8px 4px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);font-size:13px;color:var(--muted);transition:.15s}
.seg button.on{background:#1f2745;border-color:var(--accent);color:#fff}
.timer-body{display:grid;grid-template-columns:230px 1fr;gap:20px;align-items:center}
@media(max-width:560px){.timer-body{grid-template-columns:1fr}}
.ring{position:relative;width:210px;height:210px;margin:0 auto}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:9}
.ring .bg{stroke:#222838}
.ring .fg{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .5s linear,stroke .3s}
.ring.break .fg{stroke:var(--math)}
.ring .center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .time{font-size:42px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.ring .phase{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:1.3px}
.ctrls{display:flex;gap:8px;margin-top:14px;justify-content:center}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.field label{font-size:12.5px;color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.three{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.check-line{display:flex;gap:8px;align-items:center;margin-bottom:8px;font-size:14px}
.stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:6px;font-size:13px;color:var(--muted)}
.stats b{color:var(--text)}

/* план и статистика */
.plan-next{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:10px 0 0;font-size:13.5px;cursor:pointer}
.plan-next:hover{border-color:var(--accent)}
.bars{display:flex;align-items:flex-end;gap:5px;height:110px;margin:14px 0 8px}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:5px;height:100%;min-width:0}
.bar i{display:block;width:100%;background:linear-gradient(180deg,var(--accent),#4a5fb8);border-radius:5px 5px 2px 2px;min-height:2px}
.bar.zero i{background:#222838}
.bar.today i{background:linear-gradient(180deg,var(--math),#2f9e7a)}
.bar span{font-size:10.5px;color:var(--muted)}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stat{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.stat b{display:block;font-size:17px}
.stat span{font-size:12px;color:var(--muted)}

/* окна */
.modal{position:fixed;inset:0;background:rgba(3,5,9,.7);backdrop-filter:blur(4px);display:none;align-items:flex-start;justify-content:center;padding:4vh 14px;z-index:50;overflow:auto}
.modal.open{display:flex}
.sheet{background:var(--panel);border:1px solid var(--line);border-radius:18px;width:100%;max-width:520px;padding:20px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.sheet.wide{max-width:640px}
.sheet h2{margin:0 0 14px;font-size:19px}
.block{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:12px;background:var(--panel2)}
.block-title{font-weight:600;margin-bottom:8px}
.block input,.block select{background:var(--panel)}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{display:flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:5px 11px;font-size:13px;color:var(--text);cursor:pointer}
.block .checks label{background:var(--panel)}
.checks label:has(input:checked){border-color:var(--accent);background:#1b2238}
.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.sched-row{display:grid;grid-template-columns:90px 92px 92px 1fr 30px;gap:6px;margin-bottom:6px;align-items:center}
@media(max-width:560px){.sched-row{grid-template-columns:1fr 1fr 1fr 30px}.sched-row input[type=text]{grid-column:1/-1;order:5}}
.status{font-size:13px;margin-top:10px;min-height:18px;color:var(--muted)}
.status.ok{color:var(--ok)}.status.err{color:var(--danger)}

/* вход */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(900px 500px at 50% -10%,#1b2340 0%,transparent 60%),var(--bg)}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:34px 30px;max-width:420px;width:100%;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.login-card h1{margin:12px 0 6px;font-size:26px;letter-spacing:-.4px}
.login-card p{margin:0 0 22px}
.login-logo{border-radius:22px}
.login-card .small{margin-top:16px}

.toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:90;max-width:min(380px,calc(100vw - 32px))}
.toast{background:#1a2033;border:1px solid #33406a;border-radius:12px;padding:11px 14px;box-shadow:0 10px 30px rgba(0,0,0,.5);animation:in .25s;font-size:14px;white-space:pre-wrap}
.toast.err{border-color:#7a2f3a;background:#2a1a20}
.toast b{display:block}
@keyframes in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}