:root{
  --bg:#F6F7FB; --card:#FFFFFF; --ink:#181A20; --muted:#6F7787; --line:#E7E9F2;
  --soft:#F1F3F9;
  --rus:#F0534F; --mat:#2D6CDF; --inf:#17B26A; --oth:#9AA2B1;
  --radius:16px;
  --success-bg:#E7F7EF; --success-ink:#0F7A4A;
  --demo-bg:#FFF3D6; --demo-ink:#8A6D1A;
  --danger:#D64545;
  --toast-bg:#181A20; --toast-ink:#fff;
  --warn-bg:#FFF3D6; --warn-border:#F0DFAE; --warn-ink:#8A6D1A;
  --shadow:0 4px 20px rgba(24,26,32,.06);
  --heat1:#CDEBE0; --heat2:#7CD4B2; --heat3:#2FB98A; --heat4:#0C8F66;
}
html[data-theme="dark"]{
  --bg:#0F1115; --card:#171A21; --ink:#E8EAF1; --muted:#8A93A6; --line:#272C37;
  --soft:#20242E;
  --rus:#F0534F; --mat:#6B9DF4; --inf:#3ECF8E; --oth:#9AA2B1;
  --success-bg:#13321F; --success-ink:#4CD488;
  --demo-bg:#3A2E0D; --demo-ink:#E5B93C;
  --danger:#F27D7D;
  --toast-bg:#E8EAF1; --toast-ink:#101216;
  --warn-bg:#3A2E0D; --warn-border:#5A4717; --warn-ink:#E5B93C;
  --shadow:0 4px 20px rgba(0,0,0,.4);
  --heat1:#1E4A3A; --heat2:#1F6E50; --heat3:#17A06D; --heat4:#2EE09A;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{overflow-x:hidden}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;transition:background .2s,color .2s}
.hidden{display:none !important}

header{background:var(--card);border-bottom:1px solid var(--line);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:flex;align-items:flex-end;gap:3px;height:22px}
.brand-mark i{display:block;width:6px;border-radius:3px}
.brand-mark i:nth-child(1){height:12px;background:var(--rus)}
.brand-mark i:nth-child(2){height:20px;background:var(--mat)}
.brand-mark i:nth-child(3){height:16px;background:var(--inf)}
.brand-name{font-weight:800;font-size:17px;letter-spacing:-.3px}
.brand-name span{color:var(--muted);font-weight:600}
.hdr-right{display:flex;align-items:center;gap:12px}
.status-chip{font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;background:var(--soft);color:var(--muted);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.status-chip .sdot{width:7px;height:7px;border-radius:50%;background:#C4CAD6}
.status-chip.on{background:var(--success-bg);color:var(--success-ink)}
.status-chip.on .sdot{background:var(--inf)}
.status-chip.demo{background:var(--demo-bg);color:var(--demo-ink)}
.status-chip.demo .sdot{background:#E5B93C}
.user-box{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;flex:none;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;overflow:hidden}
.user-info{line-height:1.2}
.user-name{font-size:13px;font-weight:700}
.user-email{font-size:11px;color:var(--muted)}
.theme-btn{border:2px solid var(--line);background:var(--card);color:var(--ink);width:38px;height:38px;border-radius:11px;cursor:pointer;font-size:16px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:transform .15s,border-color .15s;flex:none}
.theme-btn:hover{border-color:var(--muted);transform:translateY(-1px)}

.btn{font-family:inherit;font-size:14px;font-weight:600;border:2px solid var(--ink);background:var(--ink);color:var(--toast-ink);padding:10px 18px;border-radius:12px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center;transition:transform .15s ease,background .15s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--soft)}
.btn.small{padding:8px 14px;font-size:13px;border-radius:10px}

.input{font-family:inherit;font-size:14px;color:var(--ink);border:2px solid var(--line);border-radius:12px;background:var(--card);padding:10px 14px;width:100%;outline:none;transition:border-color .15s}
.input:focus{border-color:var(--ink)}
select.input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236F7787' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
html[data-theme="dark"] select.input{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A93A6' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E")}
.field-label{font-size:12px;font-weight:600;color:var(--muted);display:block;margin-bottom:6px;text-transform:uppercase;letter-spacing:.4px}

.spinner{width:16px;height:16px;border:3px solid var(--line);border-top-color:var(--ink);border-radius:50%;animation:spin .8s linear infinite;flex:none;display:inline-block;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}

main{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:32px 24px 56px}
footer{border-top:1px solid var(--line);padding:18px 24px;text-align:center;font-size:12px;color:var(--muted);background:var(--card);line-height:1.8}
footer a{color:inherit;text-decoration:underline}

.connect-card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:44px;max-width:720px;margin:24px auto 0;box-shadow:var(--shadow)}
.connect-card h1{font-size:30px;font-weight:800;letter-spacing:-.6px;line-height:1.2}
.connect-card .lead{color:var(--muted);font-size:15px;margin-top:10px;line-height:1.6}
.purpose-box{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-top:18px}
.purpose-title{font-size:13px;font-weight:700;margin-bottom:8px}
.purpose-box ul{margin:0;padding-left:20px}
.purpose-box li{font-size:13px;color:var(--muted);line-height:1.7}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.entry-card{font-family:inherit;text-align:left;background:var(--bg);border:2px solid var(--line);border-radius:18px;padding:20px;cursor:pointer;display:flex;flex-direction:column;gap:8px;transition:transform .15s,border-color .15s,box-shadow .15s}
.entry-card:hover{border-color:var(--muted);transform:translateY(-2px);box-shadow:var(--shadow)}
.entry-card:active{transform:translateY(0)}
.entry-card .entry-ic{width:40px;height:40px;border-radius:12px;background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex:none}
.entry-card .entry-ic svg{width:22px;height:22px}
.entry-card .entry-t{font-size:15px;font-weight:700;color:var(--ink)}
.entry-card .entry-d{font-size:12px;color:var(--muted);line-height:1.4}
.ical-panel{margin-top:22px;border-top:1px dashed var(--line);padding-top:22px}
.warn-note{font-size:12px;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;line-height:1.5}
.env-warn{font-size:13px;color:var(--warn-ink);background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:12px;padding:12px 14px;line-height:1.55;margin-top:18px}

.form-grid{display:grid;grid-template-columns:200px 1fr;gap:12px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.btn-row .btn{flex:1;min-width:170px}
.cal-list{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.cal-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--card)}
.cal-item .dot{width:10px;height:10px;border-radius:50%;flex:none}
.cal-info{flex:1;min-width:0}
.cal-info b{font-size:14px;display:block}
.cal-info span{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-top:2px}
.cal-info span.err{color:var(--danger)}
.icon-btn{border:none;background:var(--soft);color:var(--muted);width:30px;height:30px;border-radius:9px;cursor:pointer;font-size:13px;line-height:1;transition:background .15s,color .15s;flex:none}
.icon-btn:hover{background:#FBE3E3;color:var(--danger)}

.toolbar{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:24px}
.toolbar .grow{flex:1;min-width:220px}
.load-status{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-left:auto;padding-bottom:10px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}
.card h2{font-size:15px;font-weight:700;margin-bottom:16px}
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:14px}
.sum-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.sum-label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.sum-value{font-size:26px;font-weight:800;letter-spacing:-.5px;margin-top:8px}
.sum-sub{font-size:12px;color:var(--muted);margin-top:4px}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:14px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.cat-top{display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;flex:none}
.cat-name{font-size:14px;font-weight:700}
.cat-count{font-size:11px;color:var(--muted);margin-left:auto;background:var(--soft);padding:3px 8px;border-radius:999px;font-weight:600}
.cat-hours{font-size:22px;font-weight:800;margin:12px 0;letter-spacing:-.4px}
.cat-bar{height:8px;border-radius:99px;background:var(--soft);overflow:hidden}
.cat-bar i{display:block;height:100%;border-radius:99px;transition:width .6s ease}
.cat-share{font-size:12px;color:var(--muted);margin-top:8px}
.cat-goal{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.goal-bar{height:6px;border-radius:99px;background:var(--soft);overflow:hidden}
.goal-bar i{display:block;height:100%;border-radius:99px;transition:width .4s ease}
.goal-txt{font-size:11px;color:var(--muted);margin-top:6px;font-weight:600}
.seg{display:inline-flex;background:var(--soft);border:1px solid var(--line);border-radius:11px;padding:3px;margin-bottom:1px}
.seg button{font-family:inherit;font-size:12px;font-weight:600;border:none;background:transparent;color:var(--muted);padding:6px 12px;border-radius:8px;cursor:pointer;transition:background .15s,color .15s}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.export-wrap{position:relative;display:inline-flex}
.export-menu{position:absolute;z-index:30;top:calc(100% + 6px);right:0;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;min-width:150px;display:flex;flex-direction:column;gap:2px}
.export-menu button{font-family:inherit;font-size:13px;font-weight:600;border:none;background:none;color:var(--ink);text-align:left;padding:8px 10px;border-radius:8px;cursor:pointer}
.export-menu button:hover{background:var(--soft)}
.compare-block{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.compare-head{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:12px}
.cmp-total{display:flex;align-items:center;gap:10px;background:var(--soft);border-radius:12px;padding:10px 12px;margin-bottom:10px;font-size:13px;flex-wrap:wrap}
.cmp-prev{color:var(--muted);font-size:12px}
.cmp-row{display:flex;align-items:center;gap:10px;font-size:13px;padding:6px 2px}
.cmp-name{display:flex;align-items:center;gap:7px;color:var(--muted);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cmp-name .dot{width:8px;height:8px}
.cmp-row b{font-weight:700;flex:none}
.cmp-delta{font-size:12px;font-weight:700;flex:none;min-width:52px;text-align:right}
.cmp-delta.up{color:var(--inf)}
.cmp-delta.down{color:var(--danger)}
.cmp-delta.flat{color:var(--muted)}
.ach-count{font-size:12px;font-weight:600;color:var(--muted);margin-left:6px}
#achievementsCard{margin-bottom:14px}
.ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.ach{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:14px;opacity:.55;display:flex;flex-direction:column;gap:4px}
.ach.on{opacity:1;background:var(--card);box-shadow:var(--shadow)}
.ach-ic{font-size:22px}
.ach-title{font-size:13px;font-weight:700}
.ach-desc{font-size:11px;color:var(--muted);line-height:1.4}
.grid-2{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-bottom:14px}
.grid-2>*{min-width:0}
.chart-wrap{position:relative;height:280px;width:100%}
.chart-wrap canvas{max-width:100%}
.hi-row{display:flex;justify-content:space-between;gap:10px;min-width:0}
.hi-row .hi-lbl{color:var(--muted);display:flex;align-items:center;gap:7px;min-width:0}
.hi-row .hi-lbl .dot{flex:none}
.hi-row b{white-space:nowrap}
.ev-list{max-height:420px;overflow-y:auto;margin:-6px}
.ev-list::-webkit-scrollbar{width:8px}
.ev-list::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.ev-row{display:flex;align-items:center;gap:12px;padding:12px 10px;border-radius:12px;transition:background .12s}
.ev-row:hover{background:var(--bg)}
.ev-dot{width:9px;height:9px;border-radius:50%;flex:none}
.ev-main{min-width:0;flex:1}
.ev-title{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev-meta{font-size:12px;color:var(--muted);margin-top:2px}
.ev-dur{font-size:13px;font-weight:700;flex:none;background:var(--soft);padding:5px 10px;border-radius:999px}
.more-note{font-size:12px;color:var(--muted);text-align:center;padding-top:12px}
.empty-card{text-align:center;padding:56px 24px}
.empty-card .big{font-size:40px;margin-bottom:12px}
.empty-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.empty-card p{color:var(--muted);font-size:14px;max-width:400px;margin:0 auto;line-height:1.6}
.note-line{font-size:12px;color:var(--muted);margin-top:10px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.note-line b{color:var(--ink)}

#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--toast-bg);color:var(--toast-ink);font-size:13px;font-weight:600;padding:12px 20px;border-radius:12px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:99;max-width:90vw;text-align:center;box-shadow:var(--shadow)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.settings-card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:32px;max-width:860px;margin:0 auto}
.settings-card h2{font-size:20px;font-weight:800;margin-bottom:20px}
.subject-row{display:grid;grid-template-columns:140px 1fr 100px 70px 80px 100px 36px;gap:10px;align-items:center;padding:12px;background:var(--bg);border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.subject-row input[type="text"],.subject-row input[type="number"],.subject-row select{font-family:inherit;font-size:13px;border:2px solid var(--line);border-radius:10px;padding:8px 10px;outline:none;background:var(--card);color:var(--ink);width:100%}
.subject-row input[type="text"]:focus,.subject-row input[type="number"]:focus,.subject-row select:focus{border-color:var(--ink)}
.subject-row input[type="color"]{width:100%;height:36px;border:none;background:none;cursor:pointer}
.cbtn{position:relative}
.color-btn{width:100%;height:36px;border-radius:10px;border:2px solid var(--line);cursor:pointer;padding:0;transition:transform .1s,border-color .15s}
.color-btn:hover{border-color:var(--muted)}
.color-pop{position:absolute;z-index:30;top:calc(100% + 6px);left:0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);min-width:178px}
.color-presets{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.csw{width:22px;height:22px;border-radius:7px;border:2px solid var(--line);cursor:pointer;padding:0;transition:transform .1s}
.csw:hover{transform:scale(1.18)}
.color-custom{font-family:inherit;font-size:11px;font-weight:600;color:var(--muted);background:none;border:none;cursor:pointer;margin-top:8px;width:100%;text-align:center;padding:6px;border-radius:8px}
.color-custom:hover{background:var(--soft)}
.color-native{position:absolute;opacity:0;width:0;height:0;border:none;padding:0;pointer-events:none}
.subject-row label{font-size:12px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:6px;cursor:pointer}
.subject-row .del-btn{border:none;background:var(--soft);color:var(--muted);width:30px;height:30px;border-radius:9px;cursor:pointer;font-size:15px;line-height:1;transition:background .15s,color .15s}
.subject-row .del-btn:hover{background:#FBE3E3;color:var(--danger)}
.color-pick{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding-top:2px}
.color-pick::before{content:'Цвета календаря:';font-size:11px;font-weight:600;color:var(--muted);margin-right:2px}
.cpick{width:20px;height:20px;border-radius:6px;border:2px solid var(--line);cursor:pointer;font-size:11px;color:#fff;line-height:1;display:inline-flex;align-items:center;justify-content:center;padding:0;transition:transform .1s,box-shadow .1s}
.cpick:hover{transform:scale(1.18)}
.cpick.on{box-shadow:0 0 0 2px var(--card),0 0 0 4px var(--ink);border-color:transparent}
.cpick-note{font-size:11px;color:var(--muted)}
.cal-pick{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding-top:2px}
.cal-pick::before{content:'Календари:';font-size:11px;font-weight:600;color:var(--muted);margin-right:2px}
.calpick{font-family:inherit;font-size:11px;font-weight:600;border:1.5px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:4px 10px;cursor:pointer;transition:background .12s,border-color .12s}
.calpick:hover{border-color:var(--muted)}
.calpick.on{background:var(--ink);color:var(--toast-ink);border-color:var(--ink)}
.calpick-note{font-size:11px;color:var(--muted)}
.streak-stats{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.streak-stat{flex:1;min-width:80px;background:var(--soft);border-radius:12px;padding:12px;text-align:center}
.streak-stat b{display:block;font-size:22px;font-weight:800}
.streak-stat span{font-size:11px;color:var(--muted);font-weight:600}
.heatmap{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,10px);gap:3px;overflow-x:auto;padding-bottom:4px}
.heatmap .heat{width:10px;height:10px;border-radius:3px;display:block;cursor:pointer}
.hm-tip{position:fixed;pointer-events:none;z-index:60;background:var(--toast-bg);color:var(--toast-ink);padding:6px 10px;border-radius:8px;font-size:12px;font-weight:600;box-shadow:var(--shadow);white-space:nowrap;max-width:240px}
.heat-legend{display:flex;align-items:center;gap:4px;margin-top:12px;justify-content:flex-end}
.heat-legend span{width:10px;height:10px;border-radius:3px}
.heat-legend span:nth-child(1){background:var(--soft)}
.heat-legend span:nth-child(2){background:var(--heat1)}
.heat-legend span:nth-child(3){background:var(--heat2)}
.heat-legend span:nth-child(4){background:var(--heat3)}
.heat-legend span:nth-child(5){background:var(--heat4)}
.wd-row{display:flex;align-items:center;gap:10px;margin-bottom:9px}
.wd-label{width:22px;font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;flex:none}
.wd-bar{flex:1;height:10px;border-radius:99px;background:var(--soft);overflow:hidden}
.wd-bar i{display:block;height:100%;border-radius:99px;min-width:2px}
.wd-val{width:62px;text-align:right;font-size:12px;font-weight:600;color:var(--muted);flex:none}
.wd-note{font-size:11px;color:var(--muted);margin-top:4px;text-align:right}
.add-subject-btn{margin-top:8px}
.settings-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}

@media (max-width:1024px){
  .entry-grid{grid-template-columns:1fr}
  .summary-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .subject-row{grid-template-columns:1fr 1fr}
  .subject-row input[type="color"]{width:60px}
  .grid-2{grid-template-columns:1fr}
  header{padding:0 16px}
  .hdr-right{gap:8px}
}
@media (max-width:640px){
  main{padding:20px 14px 40px}
  .connect-card{padding:28px 20px}
  .form-grid{grid-template-columns:1fr}
  .summary-grid,.cat-grid{grid-template-columns:1fr}
  .toolbar{flex-direction:column;align-items:stretch}
  .load-status{margin-left:0}
  header{padding:10px 14px;height:auto;flex-wrap:wrap;gap:8px 10px}
  .hdr-right{flex-wrap:wrap;justify-content:flex-end}
  .brand-name{font-size:15px}
  .brand-name span{display:none}
  .theme-btn{width:34px;height:34px;font-size:14px}
  .btn.small{padding:7px 11px;font-size:12px}
  .user-info{display:none}
  .avatar{width:30px;height:30px}
  .status-chip{max-width:150px;overflow:hidden;text-overflow:ellipsis;padding:5px 10px}
  .chart-wrap{height:230px}
  .entry-card{padding:16px}
}
@media (max-width:420px){
  .status-chip{display:none}
}