/* ============================================================
   Репет инфо — Liquid Glass design system
   Единая тема: светлая/тёмная переключаются атрибутом
   html[data-theme="light" | "dark"], JS-хук — static/theme.js
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

/* ---------- 1. Токены ---------- */
:root{
  --bg:oklch(96% .015 75);
  --ink:oklch(20% .02 260);
  --muted:oklch(46% .02 260);
  --line:oklch(87% .015 75);

  --surface:oklch(100% 0 0 / .62);
  --surface-strong:oklch(100% 0 0 / .84);
  --glass-border:oklch(60% .02 260 / .16);
  --glass-highlight:oklch(100% 0 0 / .55);
  --shadow-glass:inset 0 1px 0 var(--glass-highlight), 0 1px 2px oklch(0% 0 0 / .04), 0 16px 36px oklch(45% .05 60 / .12);
  --blur:22px;

  --accent:oklch(60% .18 40);
  --accent-strong:oklch(51% .17 38);
  --accent-ink:oklch(99% .01 80);
  --accent-soft:oklch(93% .06 55 / .9);
  --accent-glow:oklch(65% .19 42 / .35);

  --navy:oklch(26% .05 255);
  --navy-ink:oklch(97% .01 90);

  --green:oklch(52% .13 152);
  --green-soft:oklch(93% .06 152);
  --red:oklch(54% .17 27);
  --red-soft:oklch(93% .05 27);
  --yellow-ink:oklch(45% .12 85);
  --yellow-soft:oklch(92% .07 90);

  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-pill:999px;
}

html[data-theme="dark"]{
  --bg:oklch(15% .02 255);
  --ink:oklch(94% .01 90);
  --muted:oklch(66% .02 90);
  --line:oklch(32% .02 255);

  --surface:oklch(100% 0 0 / .07);
  --surface-strong:oklch(100% 0 0 / .12);
  --glass-border:oklch(100% 0 0 / .16);
  --glass-highlight:oklch(100% 0 0 / .18);
  --shadow-glass:inset 0 1px 0 var(--glass-highlight), 0 20px 46px oklch(0% 0 0 / .45);

  --accent:oklch(72% .19 45);
  --accent-strong:oklch(80% .16 50);
  --accent-ink:oklch(14% .01 90);
  --accent-soft:oklch(32% .09 45 / .55);
  --accent-glow:oklch(70% .19 45 / .45);

  --navy:oklch(22% .04 255 / .7);
  --navy-ink:oklch(97% .01 90);

  --green:oklch(74% .15 150);
  --green-soft:oklch(30% .07 150 / .55);
  --red:oklch(70% .17 25);
  --red-soft:oklch(32% .08 25 / .55);
  --yellow-ink:oklch(84% .13 90);
  --yellow-soft:oklch(32% .08 90 / .5);
}

/* ---------- 2. Сброс, база, атмосфера ---------- */
*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;width:100%;overflow-x:hidden;scrollbar-gutter:stable}
body{margin:0;width:100%;min-width:0;overflow-x:hidden;background:var(--bg);color:var(--ink);font:400 15px/1.5 'IBM Plex Sans',system-ui,sans-serif;transition:background-color .25s,color .25s}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(560px 560px at 92% -8%, oklch(70% .17 42 / .28), transparent 68%),
    radial-gradient(520px 520px at -8% 22%, oklch(56% .14 255 / .22), transparent 68%),
    radial-gradient(480px 480px at 50% 96%, oklch(70% .12 195 / .16), transparent 70%);
}
html[data-theme="dark"] body::before{
  background:
    radial-gradient(620px 620px at 92% -10%, oklch(70% .19 45 / .40), transparent 68%),
    radial-gradient(560px 560px at -10% 18%, oklch(55% .16 255 / .38), transparent 68%),
    radial-gradient(520px 520px at 45% 100%, oklch(68% .13 195 / .28), transparent 70%);
}
button,input,select,textarea{font:inherit}
button,a,input,select,textarea{transition-property:color,background-color,border-color,box-shadow,transform;transition-duration:140ms;transition-timing-function:cubic-bezier(.2,0,0,1)}
button:active{transform:scale(.96)}
a{color:var(--accent);text-underline-position:from-font;text-decoration-thickness:from-font;text-decoration:none}
a:hover{color:var(--accent-strong)}
::selection{background:var(--accent-soft);color:var(--ink)}
.skip{position:fixed;z-index:100;inset-block-start:8px;inset-inline-start:8px;transform:translateY(-160%);background:var(--navy);color:var(--navy-ink);padding:10px 14px;border-radius:var(--r-sm)}
.skip:focus{transform:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
@keyframes page-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes notice-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@keyframes logo-glow{0%,100%{box-shadow:0 8px 20px var(--accent-glow), inset 0 1px 0 oklch(100% 0 0 / .35)}50%{box-shadow:0 8px 30px var(--accent-glow), inset 0 1px 0 oklch(100% 0 0 / .35)}}
#content,.login-shell,#student-content,#topic-content,.auth-wait{animation:page-in .5s cubic-bezier(.2,0,0,1) both}
.notice{animation:notice-in .35s cubic-bezier(.2,0,0,1) both}
.login-logo{animation:logo-glow 3.2s ease-in-out infinite}
@media(forced-colors:active){:focus-visible{outline:3px solid CanvasText}}

/* базовый "стеклянный" материал — переиспользуется всеми карточками/панелями */
.glass,.panel,.stats article,.notice,.import-box,.stat-row .stat,.lesson-card,.today-panel,
.topic-tile,.answer,.student-task,.rating,.student-sub,.login-card,.auth-wait,.create-table,
.teacher-entry,.course-card,.day.today,.progress-metric,.theme-toggle,.menu-toggle,
.assignment,.badge,.status,.payment-status,code,
button,input,select,textarea,.day-chip,.time-chip,.move-link,.cancel-transfer,.win-bar{
  backdrop-filter:blur(var(--blur)) saturate(160%);-webkit-backdrop-filter:blur(var(--blur)) saturate(160%);
}

/* ---------- 3. Каркас: сайдбар / навигация ---------- */
.app{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr)}
.app>aside{
  position:fixed;z-index:60;inset:0 auto 0 0;width:min(288px,86vw);height:100dvh;
  padding:24px 18px 20px;display:flex;flex-direction:column;
  background:var(--surface-strong);color:var(--ink);border-inline-end:1px solid var(--glass-border);
  box-shadow:24px 0 60px oklch(20% .04 255 / .18), inset -1px 0 0 var(--glass-highlight);
  transform:translateX(-105%);transition-property:transform;transition-duration:180ms;transition-timing-function:cubic-bezier(.2,0,0,1);
}
body.menu-open .app>aside{transform:translateX(0)}
.app>main{width:100%;max-width:1520px;padding:98px clamp(20px,4vw,56px) 64px;justify-self:stretch;overflow:hidden}
.brand{display:flex;align-items:center;gap:12px;padding:0 6px 34px}
.brand>span,.login-logo,.student-brand>span{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--accent);color:var(--accent-ink);font:800 16px/1 'IBM Plex Sans',sans-serif;box-shadow:0 8px 20px var(--accent-glow), inset 0 1px 0 oklch(100% 0 0 / .35)}
.brand b{display:block;font-size:16px;letter-spacing:-.01em}
.brand small{display:block;color:var(--muted);font-size:11.5px;margin-block-start:1px}
.app>aside nav{display:grid;gap:4px}
.app>aside nav a{display:flex;align-items:center;gap:12px;min-height:42px;padding:10px 12px;border-radius:var(--r-sm);color:var(--muted);text-decoration:none;font-weight:600}
.app>aside nav a i{font:600 10px/1 'JetBrains Mono',monospace;color:var(--muted);letter-spacing:.08em;opacity:.7}
.app>aside nav a:hover{background:var(--surface);color:var(--ink)}
.app>aside nav a.on{background:var(--accent-soft);color:var(--accent-strong);box-shadow:inset 0 0 0 1px oklch(60% .18 40 / .18)}
.app>aside nav a.on i{color:var(--accent)}
.aside-foot{margin-block-start:auto;padding:18px 6px 0;border-block-start:1px solid var(--glass-border)}
.aside-foot>span{display:block;color:var(--muted);font:600 10px/1 'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.08em;margin-block-end:10px}
.logout{padding:0;min-height:30px;border:0;background:transparent;color:var(--muted);font-size:13px;cursor:pointer}
.logout:hover{background:transparent;color:var(--red)}

.menu-toggle{position:fixed;z-index:70;inset:18px auto auto 18px;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:9px 14px;border:1px solid var(--glass-border);border-radius:var(--r-pill);background:var(--surface-strong);color:var(--ink);box-shadow:var(--shadow-glass);font-size:13px;font-weight:700;cursor:pointer}
.menu-toggle:hover{background:var(--surface)}
.nav-scrim{position:fixed;z-index:55;inset:0;background:oklch(15% .02 255 / .38);opacity:0;transition:opacity 160ms cubic-bezier(.2,0,0,1)}
body.menu-open .nav-scrim{display:block;opacity:1}
@media(prefers-reduced-motion:reduce){.app>aside,.nav-scrim,.menu-toggle{transition-duration:0s!important}}

/* переключатель темы — плавающая стеклянная кнопка справа сверху, везде одинаковая */
.theme-toggle{position:fixed;z-index:70;inset:18px 18px auto auto;display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid var(--glass-border);border-radius:50%;background:var(--surface-strong);color:var(--ink);box-shadow:var(--shadow-glass);cursor:pointer}
.theme-toggle:hover{background:var(--surface);transform:translateY(-1px)}
.theme-toggle svg{position:absolute;width:19px;height:19px;transition-property:opacity,transform;transition-duration:320ms;transition-timing-function:cubic-bezier(.2,0,0,1)}
.theme-toggle .i-sun{opacity:1;transform:rotate(0) scale(1)}
.theme-toggle .i-moon{opacity:0;transform:rotate(-90deg) scale(.5)}
html[data-theme="dark"] .theme-toggle .i-sun{opacity:0;transform:rotate(90deg) scale(.5)}
html[data-theme="dark"] .theme-toggle .i-moon{opacity:1;transform:rotate(0) scale(1)}

/* ---------- 4. Заголовки страниц ---------- */
h1,h2,h3{font-family:'IBM Plex Sans',system-ui,sans-serif;text-wrap:balance;font-weight:700}
h1{font-size:clamp(30px,3.4vw,46px);line-height:1.06;letter-spacing:-.03em;margin:6px 0 8px}
h2{font-size:22px;line-height:1.16;letter-spacing:-.015em;margin:4px 0 18px}
h3{line-height:1.25}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin:0 0 26px}
.page-head small,.eyebrow,.section-head>span,.student-course-label>span,.auth-step{font:700 11px/1.2 'JetBrains Mono',monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.page-head p{margin:4px 0 0;color:var(--muted);text-wrap:pretty;font-size:15px}
.head-index{display:none}
small{color:var(--muted)}

/* ---------- 5. Плитки-статы ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-block-end:18px}
.stats article{background:var(--surface);border:1px solid var(--glass-border);border-radius:var(--r-md);box-shadow:var(--shadow-glass);min-height:128px;padding:20px;display:flex;flex-direction:column}
.stats span{font-size:12.5px;color:var(--muted)}
.stats strong{font:700 clamp(24px,2.4vw,34px)/1 'JetBrains Mono',monospace;letter-spacing:-.03em;margin:auto 0 8px;font-variant-numeric:tabular-nums}
.stats small{color:var(--muted)}
.stats article.accent{background:linear-gradient(160deg, var(--accent-soft), var(--surface));border-color:oklch(60% .18 40 / .3)}
.stats article.accent strong{color:var(--accent-strong)}
.stats article.danger{background:linear-gradient(160deg, var(--red-soft), var(--surface));border-color:oklch(54% .17 27 / .3)}
.stats article.danger strong{color:var(--red)}

/* ---------- 6. Панели / карточки общего назначения ---------- */
.panel{background:var(--surface);border:1px solid var(--glass-border);padding:24px;border-radius:var(--r-md);box-shadow:var(--shadow-glass);margin-block-end:0;overflow-x:auto;overscroll-behavior-inline:contain}
.panel>*:not(table){max-width:100%}
.dark-panel{background:linear-gradient(160deg, var(--navy), oklch(20% .04 255 / .82));color:var(--navy-ink);border-color:oklch(100% 0 0 / .1)}
.dark-panel .eyebrow,.dark-panel small,.dark-panel .panel-title a{color:oklch(85% .03 247)}
.panel-title,.section-head,.answer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-block-end:14px}
.panel h2,.panel-title h2,.form-panel h2,.section-head h2{font-size:19px;margin:2px 0}
.panel-title a,.section-head a,.back-link,.progress-link{color:var(--accent);font-size:13px;font-weight:700;text-decoration:none}
.panel-title a:hover,.section-head a:hover,.progress-link:hover{text-decoration:underline}

.lesson,.sub-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-block-start:1px solid var(--glass-border)}
.dark-panel .sub-row{border-color:oklch(100% 0 0 / .14)}
.lesson time{width:52px;font:700 13px/1 'JetBrains Mono',monospace;color:var(--accent);font-variant-numeric:tabular-nums}
.lesson div,.sub-row>div:first-child{flex:1;display:grid}
.lesson b,.sub-row b{display:block}
.remaining{display:flex;align-items:baseline;gap:3px;margin-inline-start:auto;color:oklch(78% .08 90)}
.remaining strong{font:700 26px/1 'JetBrains Mono',monospace}
.remaining span{font-size:12px}
.empty{padding:36px 16px;display:grid;gap:4px;text-align:center;color:var(--muted)}
.empty b{color:var(--ink)}
.empty.mini{padding:13px}

.notice{margin-block-end:18px;padding:14px 16px;border:1px solid var(--glass-border);background:var(--surface);border-radius:var(--r-sm);box-shadow:var(--shadow-glass);font-weight:600}
.notice.success{background:linear-gradient(160deg, var(--green-soft), var(--surface));border-color:oklch(52% .13 152 / .3)}
.notice.error{background:linear-gradient(160deg, var(--red-soft), var(--surface));color:var(--red);border-color:oklch(54% .17 27 / .3)}
.notice.info{background:linear-gradient(160deg, var(--accent-soft), var(--surface));border-color:oklch(60% .18 40 / .3)}
.import-box{display:flex;justify-content:space-between;align-items:center;gap:22px;margin-block-end:18px;padding:18px 20px;background:linear-gradient(160deg, var(--yellow-soft), var(--surface));border:1px solid oklch(75% .12 85 / .35);border-radius:var(--r-md);box-shadow:var(--shadow-glass)}
.import-box b,.import-box span{display:block}
.import-box span,.form-note{color:var(--muted);margin:4px 0 16px}
.import-box .primary{white-space:nowrap}
@media(max-width:700px){.import-box{display:grid}.import-box form,.import-box button{width:100%}}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-block-end:18px}
.stat-row .stat{background:var(--surface);border:1px solid var(--glass-border);border-radius:var(--r-md);padding:12px 14px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow-glass)}
.stat-row .stat small{font-size:12px;font-weight:600}
.stat-row .stat b{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- 7. Формы, кнопки ---------- */
.form-panel{margin-block-end:18px}
.form-grid{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:14px;align-items:end}
.form-grid>*{min-width:0}
.stack{display:grid;gap:16px}
label{display:grid;gap:7px;font-size:12.5px;color:var(--muted);font-weight:700}
input,select,textarea{width:100%;min-height:44px;padding:10px 13px;border:1px solid var(--glass-border);border-radius:var(--r-sm);background:var(--surface-strong);color:var(--ink);font-size:15px}
textarea{resize:vertical;line-height:1.5;min-height:100px}
input:hover,select:hover,textarea:hover{border-color:oklch(60% .05 70 / .4)}
input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--accent)}
fieldset{min-width:0;margin:0;padding:16px;border:1px solid var(--glass-border);border-radius:var(--r-sm)}
legend{padding:0 6px;font-size:13px;font-weight:700}

button{min-height:42px;border:1px solid var(--glass-border);background:var(--surface-strong);color:var(--ink);border-radius:var(--r-sm);padding:9px 15px;cursor:pointer;font-weight:700;box-shadow:var(--shadow-glass)}
button:hover{background:var(--surface)}
.primary,.telegram-button,.pay-btn{
  border-color:oklch(100% 0 0 / .3);background:linear-gradient(160deg, oklch(from var(--accent) l c h / .92), oklch(from var(--accent) calc(l - .06) c h / .92));
  color:var(--accent-ink);box-shadow:0 10px 26px var(--accent-glow), inset 0 1px 0 oklch(100% 0 0 / .4);
}
.primary:hover,.telegram-button:hover,.pay-btn:hover{box-shadow:0 14px 32px var(--accent-glow), inset 0 1px 0 oklch(100% 0 0 / .5);transform:translateY(-1px)}
.pay-btn{width:100%;min-height:38px;font-size:13px}
.ghost-btn{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:32px;padding:5px 10px;border:1px solid var(--glass-border);border-radius:var(--r-sm);background:transparent;color:var(--muted);font-size:11.5px;font-weight:650;text-decoration:none;box-shadow:none;backdrop-filter:none}
.ghost-btn:hover{border-color:oklch(60% .05 70 / .5);color:var(--ink);background:var(--surface)}
.ghost-btn.danger{width:auto;padding:6px 12px}
.ghost-btn.danger:hover{border-color:var(--red);color:var(--red);background:var(--red-soft)}
.button-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;white-space:nowrap}
.move-link{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:7px 11px;border:1px solid var(--glass-border);border-radius:var(--r-sm);color:var(--accent);background:var(--surface);font-size:12px;font-weight:700;text-decoration:none}
.move-link:hover{background:var(--accent-soft)}
.cancel-transfer{min-height:32px;padding:6px 10px;border:1px solid oklch(54% .17 27 / .35);border-radius:var(--r-sm);background:transparent;color:var(--red);font-size:12px;font-weight:700}

table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
th{text-align:start;color:var(--muted);font:700 10px/1.2 'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.08em}
td,th{padding:14px 10px;border-block-end:1px solid var(--glass-border)}
td small{display:block;margin-block-start:3px}
code{background:var(--accent-soft);color:var(--accent-strong);padding:6px 9px;border-radius:var(--r-sm);font-family:'JetBrains Mono',monospace;font-weight:700;border:1px solid oklch(60% .18 40 / .2)}
.muted{color:var(--muted)}

.checks{display:flex;flex-wrap:wrap;gap:12px 18px}
.checks label{display:flex;align-items:center;flex-direction:row;gap:8px}
.checks input{width:20px;min-height:20px}

/* слоты переноса урока */
.slot-picker{display:grid;gap:10px;padding:0;border:0}
.slot-picker legend{padding:0;font-size:14px;font-weight:750}
.day-chips,.time-chips{display:flex;flex-wrap:wrap;gap:8px}
.day-chip,.time-chip{min-height:42px;padding:8px 14px;border:1px solid var(--glass-border);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);font-weight:700}
.day-chip:hover:not(:disabled),.time-chip:hover{border-color:var(--accent);color:var(--accent)}
.day-chip.selected,.time-chip.selected{border-color:transparent;background:var(--accent);color:var(--accent-ink);box-shadow:0 8px 20px var(--accent-glow)}
.day-chip:disabled{cursor:not-allowed;opacity:.35}
.day-chip:active:not(:disabled),.time-chip:active{transform:scale(.96)}
.slot-hint{margin:0;color:var(--muted)}
.selected-slot{margin:0;padding:11px 13px;border-radius:var(--r-sm);background:var(--accent-soft);color:var(--accent-strong);font-weight:700}
.move-source{margin-block-end:20px}
.move-source h2{margin:6px 0}
.move-source p{margin:0;color:var(--muted)}

/* ---------- 8. Расписание ---------- */
.period-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 18px;padding:10px 12px;background:var(--surface);border:1px solid var(--glass-border);border-radius:var(--r-md);box-shadow:var(--shadow-glass)}
.period-nav a{display:inline-flex;align-items:center;min-height:38px;padding:8px 14px;border:1px solid var(--glass-border);border-radius:var(--r-sm);background:var(--surface-strong);color:var(--ink);font-size:14px;font-weight:700;text-decoration:none}
.period-nav a:hover{background:var(--accent);border-color:transparent;color:var(--accent-ink)}
.period-nav b{font-size:16px;font-weight:800;padding:0 6px;font-variant-numeric:tabular-nums}
.period-nav .period-now{margin-inline-start:auto;background:var(--accent);border-color:transparent;color:var(--accent-ink)}
.period-nav .period-total{font-size:14px;font-weight:800;color:var(--red)}
@media(max-width:540px){.period-nav{gap:8px}.period-nav a{flex:1;justify-content:center}.period-nav .period-now{margin-inline-start:0;flex-basis:100%}}

.week{display:grid;grid-template-columns:repeat(7,minmax(155px,1fr));gap:12px;overflow-x:auto;padding-block-end:12px;width:100%;overscroll-behavior-inline:contain}
.day{min-width:155px}
.day h3{margin:0 0 12px;font-size:13px;text-transform:uppercase;letter-spacing:.05em}
.day h3 small{display:inline;font-weight:400}
.day.today{padding:10px;border:1px solid oklch(60% .18 40 / .4);border-radius:var(--r-md);background:linear-gradient(160deg, var(--accent-soft), var(--surface))}
.day.today h3 em{display:inline-block;margin-inline-start:6px;padding:2px 7px;border-radius:var(--r-pill);background:var(--accent);color:var(--accent-ink);font:700 10px/1.35 sans-serif;font-style:normal;text-transform:uppercase;letter-spacing:.05em}

.lesson-card{background:var(--surface);border:1px solid var(--glass-border);padding:13px;border-radius:var(--r-sm);margin-block-end:9px;display:grid;gap:5px;box-shadow:var(--shadow-glass)}
.lesson-card time{font:700 12px/1 'JetBrains Mono',monospace;color:var(--accent)}
.lesson-card.paid{border-color:oklch(52% .13 152 / .35);background:linear-gradient(160deg, var(--green-soft), var(--surface))}
.lesson-card.overdue{border-color:oklch(54% .17 27 / .4);background:linear-gradient(160deg, var(--red-soft), var(--surface))}
.lesson-card.overdue>small{color:var(--red);font-weight:700}
.lesson-card.transfer{opacity:.55}
.lesson-card.rescheduled{border-color:oklch(60% .12 300 / .4);background:linear-gradient(160deg, oklch(90% .05 300 / .5), var(--surface))}
.actions{display:grid;gap:6px;margin-block-start:8px}
.actions button{width:100%;font-size:11px;min-height:34px;padding:5px}
.lesson-card .actions{gap:5px}

.payment-status{display:inline-flex;align-items:center;gap:3px;padding:4px 9px;border-radius:var(--r-pill);font-size:12px;font-weight:700;background:var(--surface-strong);color:var(--muted);border:1px solid var(--glass-border)}
.payment-status.paid{background:var(--green-soft);color:var(--green);border-color:transparent}
.payment-status.debt{background:var(--red-soft);color:var(--red);border-color:transparent}
.payment-status.due{background:var(--yellow-soft);color:var(--yellow-ink);border-color:transparent}
.debtors{margin-block-start:20px}
.debtor-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-block-start:1px solid var(--glass-border)}
.debtor-row small{display:block;margin-block-start:3px}
.debtor-row strong{color:var(--red);font-variant-numeric:tabular-nums}

/* «Сегодня» на рабочем столе */
.today-panel .today-row{display:grid;grid-template-columns:56px minmax(0,1fr) 132px;gap:14px;align-items:center;padding:14px 0;border-block-start:1px solid var(--glass-border)}
.today-panel .today-row time{font:700 13px/1 'JetBrains Mono',monospace;color:var(--accent);font-variant-numeric:tabular-nums}
.today-who b{display:block}
.today-who small{display:block;margin-block-start:2px}
.today-row.is-paid .today-who b{color:var(--muted)}
.today-row .pill.ok{justify-self:end;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--green-soft);color:var(--green);font-weight:800}
@media(max-width:540px){.today-panel .today-row{grid-template-columns:48px minmax(0,1fr);row-gap:8px}.today-panel .today-row form,.today-panel .today-row .pill.ok{grid-column:2}}

.teacher-row,.teacher-card{display:grid;grid-template-columns:minmax(180px,1fr) minmax(180px,1fr) 150px auto;gap:12px;align-items:end;padding:16px 0;border-block-start:1px solid var(--glass-border)}
.teacher-row:first-of-type,.teacher-card:first-of-type{border-block-start:0}
.teacher-row small,.teacher-card small{display:block;margin-block-start:4px}
.teacher-card{grid-template-columns:minmax(180px,1fr) minmax(420px,2fr)}
.table-form{display:grid;grid-template-columns:minmax(260px,1fr) 100px auto;gap:10px;align-items:end}
.table-form label{display:grid;gap:5px;font-size:12px;color:var(--muted)}
@media(max-width:700px){.teacher-row,.teacher-card,.table-form{grid-template-columns:1fr}.teacher-row button,.table-form button{width:100%}}

.create-table{margin-block-end:14px;padding:16px;border:1px dashed var(--glass-border);border-radius:var(--r-md);background:var(--surface)}
.create-table label{margin-block-end:8px}
.create-table b{display:block;font-size:14px}
.create-table span{display:block;margin:4px 0 10px}
.create-table .force-check{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-block-end:10px}
.create-table .force-check input{width:18px;min-height:18px}

/* переносы */
.transfer-history{display:grid;gap:10px;margin-block-start:22px}
.transfer-history h2{margin:0}
.transfer-history>div{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block-start:10px;border-block-start:1px solid var(--glass-border)}
.transfer-history span{color:var(--muted);white-space:nowrap}
.reschedule-requests .actions{display:flex;gap:8px;margin-block-start:0;flex:none}
.reschedule-requests .actions button{width:auto}
.reschedule-requests .pay-btn{min-height:32px;padding:6px 12px;font-size:12px}

/* ---------- 9. Задания / ответы ---------- */
.assignment{display:grid;grid-template-columns:130px minmax(0,1fr) auto auto;gap:18px;align-items:center;padding:16px 0;border-block-start:1px solid var(--glass-border);background:transparent;border-radius:0;box-shadow:none}
.badge,.status{display:inline-flex;align-items:center;padding:5px 9px;border-radius:var(--r-pill);font:700 10px/1.2 'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;background:var(--accent-soft);color:var(--accent-strong);border:1px solid oklch(60% .18 40 / .2)}
.status{background:var(--yellow-soft);color:var(--yellow-ink);border-color:transparent;text-transform:none;font-family:'IBM Plex Sans',sans-serif;font-weight:700;font-size:11px}
.status.wait{background:var(--yellow-soft);color:var(--yellow-ink)}
.answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.answer{background:var(--surface);padding:22px;border-radius:var(--r-md);box-shadow:var(--shadow-glass);border:1px solid var(--glass-border)}
.answer-head small{display:block}
.question{color:var(--muted);font-size:13px}
.response{background:var(--surface-strong);padding:14px;border-radius:var(--r-sm);white-space:pre-wrap;border:1px solid var(--glass-border)}
.answer-img,.student-task img{display:block;max-width:100%;max-height:360px;border-radius:var(--r-sm);margin-block-start:12px;outline:1px solid var(--glass-border);outline-offset:-1px}
.review-actions{display:flex;flex-wrap:wrap;gap:8px;margin-block-start:16px}
.money{font-weight:800;font-variant-numeric:tabular-nums}
.money.income{color:var(--green)}
.money.expense{color:var(--red)}

/* ---------- 10. Курсы / библиотека домашних заданий ---------- */
.course-shortcut{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-block-end:20px}
.course-shortcut h2{margin-block-end:6px}
.course-shortcut p{margin:0;color:var(--muted);max-width:58ch}
.homework-library{margin-block-end:20px}
.homework-library .panel-title p{max-width:58ch;margin:6px 0 0;color:var(--muted)}
.homework-list{display:grid;gap:16px;margin-block-end:24px}
.section-title{margin:0 0 2px}
.section-title h2{margin:5px 0 0}
.homework-card{margin:0}
.attachment-link{display:inline-flex;margin-block-start:2px;color:var(--accent);font-weight:700;font-size:13px;text-decoration:none}
.attachment-link:hover{text-decoration:underline}

.course-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.course-card{display:block;padding:24px;background:var(--surface);color:var(--ink);text-decoration:none;border-radius:var(--r-md);box-shadow:var(--shadow-glass);border:1px solid var(--glass-border);transition-property:transform,box-shadow,border-color;transition-duration:200ms;transition-timing-function:cubic-bezier(.2,0,0,1)}
.course-card:hover{transform:translateY(-3px);border-color:oklch(60% .05 70 / .5)}
.course-card h2{margin:6px 0 8px}
.course-card p{min-height:3em;margin:0 0 18px;color:var(--muted)}
.course-card strong{color:var(--accent);font-size:13px}
.course-tasks{display:grid;gap:16px}
.course-task{margin:0}
.course-task-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}
.course-task-head h2{margin:9px 0 0}
.course-task-head>small{white-space:nowrap}
.course-task-actions{display:flex;align-items:center;gap:12px;flex:none}
.course-task-actions small{white-space:nowrap}
.course-task-text{margin:15px 0;white-space:pre-wrap}
.course-homework{background:linear-gradient(160deg, var(--accent-soft), var(--surface))}
.course-homework>p{white-space:pre-wrap}
.assigned-students{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-block-start:18px;padding-block-start:15px;border-block-start:1px solid var(--glass-border)}
.assigned-students>b{font-size:13px}
.assigned-students>span{display:inline-flex;align-items:center;gap:3px;padding:4px 5px 4px 9px;background:var(--surface-strong);border:1px solid var(--glass-border);border-radius:var(--r-pill);font-size:12px}
.assigned-students form{display:inline}
.assigned-students button{min-height:20px;width:20px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:17px;line-height:1;box-shadow:none}
.assigned-students button:hover{background:var(--red-soft);color:var(--red)}
.assigned-students em{color:var(--muted);font-size:13px}
.assign-more{margin-block-start:16px;border-block-start:1px solid var(--glass-border);padding-block-start:14px}
.assign-more summary{cursor:pointer;color:var(--accent);font-weight:700;font-size:13px}
.assign-more form{padding-block-start:14px}
.student-course-section{margin-block-end:24px}
.student-course-label{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:0 0 10px}
.student-course-label small{font-size:12px}

.submitted{background:linear-gradient(160deg, var(--green-soft), var(--surface));border:1px solid oklch(52% .13 152 / .3);border-radius:var(--r-sm);padding:12px 14px;color:var(--green)}
.submitted.wrong{background:linear-gradient(160deg, var(--red-soft), var(--surface));border-color:oklch(54% .17 27 / .3);color:var(--red)}
.topic-page{max-width:760px;margin:24px auto;padding:0 20px 60px}
.topic-theory p{margin:0;white-space:pre-wrap;line-height:1.6;color:var(--ink)}
.topic-page .student-task{margin-block-end:16px}
.expired{color:var(--muted);padding:12px 0}

/* ---------- 11. Прогресс по программе ОГЭ ---------- */
.progress-bar{height:10px;border-radius:var(--r-pill);background:var(--glass-border);overflow:hidden;margin:6px 0 18px}
.progress-bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--accent);transition:width .3s}
.progress-bar span.blue{background:oklch(62% .16 255)}
.progress-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-block-end:18px}
.progress-metric{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:6px;padding:14px 16px;border:1px solid var(--glass-border);border-radius:var(--r-md);background:var(--surface);box-shadow:var(--shadow-glass)}
.progress-metric b{display:block;font-size:14px}
.progress-metric small{display:block;margin-block-start:2px}
.progress-metric strong{font:800 20px/1 'JetBrains Mono',monospace;font-variant-numeric:tabular-nums;color:var(--accent)}
.progress-metric .progress-bar{grid-column:1/-1;margin:10px 0 0}

.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.topic-grid form{margin:0}
.topic-tile{display:flex;flex-direction:column;align-items:flex-start;gap:3px;width:100%;min-height:88px;padding:10px 12px;border:1px solid var(--glass-border);border-radius:var(--r-sm);background:var(--surface);text-align:left;cursor:pointer;box-shadow:var(--shadow-glass);transition-property:transform,border-color;transition-duration:180ms;transition-timing-function:cubic-bezier(.2,0,0,1)}
.topic-tile b{font:700 15px/1 'JetBrains Mono',monospace}
.topic-tile small{font-size:12px;line-height:1.3}
.topic-tile em{margin-block-start:auto;font-style:normal;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.topic-tile.learning{border-color:oklch(75% .12 85 / .4);background:linear-gradient(160deg, var(--yellow-soft), var(--surface))}
.topic-tile.learning em{color:var(--yellow-ink)}
.topic-tile.done{border-color:oklch(52% .13 152 / .35);background:linear-gradient(160deg, var(--green-soft), var(--surface))}
.topic-tile.done b,.topic-tile.done em{color:var(--green)}
.topic-tile:hover{border-color:var(--accent);transform:translateY(-2px)}

.student-progress{background:var(--surface);border:1px solid var(--glass-border);padding:24px;border-radius:var(--r-md);box-shadow:var(--shadow-glass);margin-block-end:20px}
.progress-legend{color:var(--muted);font-size:12px;margin:12px 0 0}
.topic-row{display:grid;grid-template-columns:44px minmax(0,1fr) auto auto;gap:12px;align-items:center;padding:10px 0;border-block-start:1px solid var(--glass-border)}
.topic-row form{margin:0}
.topic-row .ghost-btn,.topic-row>a.ghost-btn{width:auto;padding:6px 12px}
.topic-num{display:grid;place-items:center;width:34px;height:34px;border-radius:var(--r-sm);background:var(--accent-soft);color:var(--accent-strong);font:700 14px/1 'JetBrains Mono',monospace;text-decoration:none;transition:transform 160ms cubic-bezier(.2,0,0,1)}
.topic-num:hover{transform:translateY(-2px);color:var(--accent-strong)}
.topic-num.boss{background:var(--accent);color:var(--accent-ink);box-shadow:0 0 0 3px var(--accent-soft)}
.topic-edit{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;margin:0}
.boss-check{display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:12.5px;color:var(--muted);font-weight:600}
.boss-check input{width:16px;min-height:16px}
@media(max-width:540px){.topic-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.topic-edit{grid-template-columns:1fr}}

/* ---------- 11b. Тропа тем (кабинет ученика) ---------- */
.trail-wrap{position:relative;width:100%;margin-block-start:6px}
.trail-wrap::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;border-radius:var(--r-md);opacity:.5;
  background-image:
    radial-gradient(1.2px 1.2px at 8% 12%, var(--muted) 45%, transparent 46%),
    radial-gradient(1px 1px at 22% 68%, var(--muted) 45%, transparent 46%),
    radial-gradient(1.4px 1.4px at 38% 30%, var(--muted) 45%, transparent 46%),
    radial-gradient(1px 1px at 55% 82%, var(--muted) 45%, transparent 46%),
    radial-gradient(1.2px 1.2px at 70% 15%, var(--muted) 45%, transparent 46%),
    radial-gradient(1px 1px at 85% 55%, var(--muted) 45%, transparent 46%),
    radial-gradient(1.3px 1.3px at 92% 90%, var(--muted) 45%, transparent 46%),
    radial-gradient(1px 1px at 12% 92%, var(--muted) 45%, transparent 46%);
  background-repeat:repeat-y;background-size:100% 480px;
}
.trail-wrap svg{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:1}
.trail-fill{animation:trl-fill 1.1s .15s cubic-bezier(.2,0,0,1) both}
.trail-spark{
  position:absolute;left:0;top:0;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;z-index:2;
  border-radius:50%;background:var(--accent);box-shadow:0 0 10px 3px var(--accent-glow);
  opacity:0;pointer-events:none;
}
.trail-node{
  position:absolute;transform:translate(-50%,-50%);z-index:3;cursor:pointer;text-decoration:none;
  display:grid;place-items:center;width:30px;height:30px;border-radius:50%;
  border:1.5px solid var(--glass-border);background:var(--surface-strong);color:var(--muted);
  font:700 11px/1 'JetBrains Mono',monospace;box-shadow:var(--shadow-glass);
  animation:trl-node-in .5s cubic-bezier(.34,1.4,.64,1) both;transition:transform 160ms cubic-bezier(.2,0,0,1)
}
.trail-node:hover{transform:translate(-50%,-50%) scale(1.14)}
.trail-node.done{background:var(--green);border-color:var(--green);color:var(--accent-ink)}
.trail-node.done .i path{stroke-dasharray:24;stroke-dashoffset:24;animation:trl-check .4s .35s cubic-bezier(.2,0,0,1) both}
.trail-node.current{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 4px var(--accent-soft)}
.trail-node.current::before{
  content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid var(--accent);opacity:0;
  animation:trl-ping 2.1s cubic-bezier(.2,.8,.2,1) infinite;
}
.trail-node.boss{width:42px;height:42px;font-size:13px;border-width:2px}
.trail-node.boss::after{
  content:"";position:absolute;inset:-9px;border-radius:50%;box-shadow:0 0 16px 2px var(--accent-glow);
  opacity:.15;pointer-events:none;animation:trl-boss-glow 3.2s ease-in-out infinite;
}
.trail-node .i{width:14px;height:14px}
.trail-label{
  position:absolute;top:0;width:150px;text-decoration:none;cursor:pointer;
  font:500 12px/1.3 'IBM Plex Sans',sans-serif;color:var(--muted);
  animation:trl-label-in .5s ease both;transition:color 160ms
}
.trail-label:hover{color:var(--muted)}
.trail-label:hover b{color:var(--accent)}
.trail-label.right{transform:translate(24px,-50%);text-align:left}
.trail-label.left{transform:translate(calc(-100% - 24px),-50%);text-align:right}
.trail-label b{display:block;color:var(--ink);font-weight:600;font-size:12.5px;transition:color 160ms}
.trail-label.boss b{font-weight:700}
.trail-label u{display:block;margin-block-start:2px;font-size:10px;font-weight:700;text-decoration:none;letter-spacing:.02em;color:var(--accent)}
.trail-node:hover + .trail-label b{color:var(--accent)}
@keyframes trl-node-in{from{opacity:0;transform:translate(-50%,-50%) scale(.4)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@keyframes trl-label-in{from{opacity:0}to{opacity:1}}
@keyframes trl-check{to{stroke-dashoffset:0}}
@keyframes trl-ping{0%{transform:scale(.75);opacity:.65}80%{transform:scale(1.9);opacity:0}100%{opacity:0}}
@keyframes trl-boss-glow{0%,100%{opacity:.15}50%{opacity:.55}}
@keyframes trl-fill{from{stroke-dashoffset:var(--len)}}
@media(max-width:640px){.trail-label{width:112px;font-size:10.5px}.trail-label b{font-size:11px}.trail-label.right{transform:translate(18px,-50%)}.trail-label.left{transform:translate(calc(-100% - 18px),-50%)}}

.rating-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:8px;align-items:center;padding:13px 0;border-block-start:1px solid var(--glass-border)}
.rating-row>span{font:600 11px/1 'JetBrains Mono',monospace}
.rating-row b small{display:inline-block;margin-inline-start:6px;padding:2px 7px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent-strong);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.rating-row strong{font:800 16px/1 'JetBrains Mono',monospace;font-variant-numeric:tabular-nums}
.rating-row.me{color:var(--accent)}

/* ---------- 12. Вход / подтверждение через Telegram ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-shell{width:min(100%,440px)}
.login-card,.auth-wait{background:var(--surface-strong);border:1px solid var(--glass-border);border-radius:var(--r-lg);padding:44px 40px;box-shadow:var(--shadow-glass);overflow:hidden}
.win-bar{display:flex;align-items:center;gap:7px;margin:-44px -40px 28px;padding:13px 16px;background:var(--surface);border-block-end:1px solid var(--glass-border)}
.win-bar span{width:11px;height:11px;border-radius:50%;display:block}
.win-bar span:nth-child(1){background:oklch(65% .17 25)}
.win-bar span:nth-child(2){background:oklch(80% .14 90)}
.win-bar span:nth-child(3){background:oklch(70% .15 145)}
.win-bar b{margin-inline-start:8px;font:500 11.5px/1 'JetBrains Mono',monospace;color:var(--muted);letter-spacing:.02em}
@media(max-width:700px){.win-bar{margin:-28px -24px 24px}}
.login-card header small{color:var(--accent);font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.06em}
.login-card h1,.login-card h2{margin:6px 0 0;font-size:27px;line-height:1.2;letter-spacing:-.02em}
.login-logo{margin-block-end:26px}
.telegram-button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:52px;margin:26px 0 14px;padding:12px 18px;border-radius:var(--r-sm);text-align:center;text-decoration:none;font-weight:800}
.auth-copy{max-width:42ch;color:var(--muted);margin:0 0 28px;text-wrap:pretty}
.auth-note{display:block;color:var(--muted);font-size:12.5px;line-height:1.5}
.auth-wait{width:min(560px,100%);text-align:center}
.auth-wait h1{font-size:clamp(32px,5vw,44px)}
.auth-wait>p{max-width:48ch;margin-inline:auto;color:var(--muted);text-wrap:pretty}
.auth-status{margin-block-start:22px;padding:14px;border-radius:var(--r-sm);background:var(--accent-soft);color:var(--accent-strong);font-weight:600}
.back-link{display:inline-block;margin-block-start:20px}

.teacher-entry{margin-block-start:16px;padding:16px;border:1px solid var(--glass-border);border-radius:var(--r-md);background:var(--surface)}
.teacher-entry strong{display:block;color:var(--ink);font-size:14px}
.teacher-entry p{margin:6px 0 10px;color:var(--muted);font-size:13px;line-height:1.45}
.teacher-entry a{font-size:13px;font-weight:750}
.teacher-entry a:hover{text-decoration:underline}

/* ---------- 13. Кабинет ученика ---------- */
.student-body{width:100%;max-width:none;margin:0;padding:0}
.impersonate-bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px max(20px,calc((100vw - 1080px)/2));background:linear-gradient(160deg, var(--yellow-soft), var(--surface-strong));border-block-end:1px solid oklch(75% .12 85 / .35);color:var(--yellow-ink);font:600 12.5px/1.3 'JetBrains Mono',monospace;letter-spacing:.01em}
.impersonate-bar form{margin:0}
.impersonate-bar button{min-height:28px;padding:5px 12px;font-size:11.5px}
.student-top{display:flex;align-items:center;justify-content:space-between;padding:18px max(20px,calc((100vw - 1080px)/2));border-block-end:1px solid var(--glass-border);background:var(--surface-strong)}
.student-brand{display:flex;align-items:center;gap:14px}
.student-brand small{font-size:11px}
.student-brand h1{font-size:22px;font-weight:800;margin:3px 0;line-height:1.15}
.student-sub{background:linear-gradient(160deg, oklch(from var(--accent) l c h / .95), oklch(from var(--accent) calc(l - .08) c h / .95));color:var(--accent-ink);display:grid;grid-template-columns:1fr auto;align-items:end;padding:26px 30px;margin:24px max(20px,calc((100vw - 1080px)/2)) 0;border-radius:var(--r-md);box-shadow:0 16px 36px var(--accent-glow), inset 0 1px 0 oklch(100% 0 0 / .3)}
.student-sub div span{display:block;font-weight:700}
.student-sub div small{display:block;color:oklch(96% .03 43)}
.student-sub strong{font:800 clamp(32px,5vw,54px)/.9 'JetBrains Mono',monospace;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.student-sub strong em{font:500 16px/1 sans-serif;font-style:normal;letter-spacing:0}
.student-sub p{grid-column:2;margin:8px 0 0;text-align:end}

.student-grid{max-width:1120px;margin:24px auto;padding:0 20px 60px;display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:20px}
.section-head{margin-block-end:16px}
.section-head h2{font-size:26px;margin-block-start:8px}
.student-task,.rating{background:var(--surface);padding:22px;border-radius:var(--r-md);box-shadow:var(--shadow-glass);border:1px solid var(--glass-border);margin-block-end:14px}
.student-task>div:first-child{display:flex;justify-content:space-between;gap:12px}
.student-task h3{font-size:19px;max-width:65ch}
.rating{align-self:start;position:sticky;inset-block-start:24px}

/* ---------- 14. Адаптив ---------- */
@media(min-width:1100px){
  .app{grid-template-columns:236px minmax(0,1fr)}
  .app>aside{position:sticky;z-index:1;inset-block-start:0;inset-inline:auto;width:auto;height:100vh;transform:none;box-shadow:inset -1px 0 0 var(--glass-highlight)}
  .app>main{padding-block-start:36px}
  .menu-toggle,.nav-scrim{display:none!important}
}
@media(max-width:1050px){.form-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .student-grid{grid-template-columns:1fr}
}
@media(max-width:820px){.week{grid-template-columns:repeat(7,170px)}}
@media(max-width:700px){
  .app>main{padding-block-start:78px}
  .login{padding:16px}
  .login-card,.auth-wait{padding:28px 24px;border-radius:var(--r-lg)}
  .student-sub{margin-inline:16px;grid-template-columns:1fr auto}
  .student-sub p{grid-column:1/-1}
  .assignment{grid-template-columns:1fr}
  .panel{padding:18px}
  .week{grid-template-columns:1fr;overflow-x:visible;gap:20px}
  .day{min-width:0}
  .day h3{position:sticky;inset-block-start:0;z-index:2;margin:0 -4px 10px;padding:8px 4px;background:var(--bg)}
}
@media(max-width:540px){
  body{font-size:14px}
  input,select,textarea{font-size:16px}
  .page-head{display:block}
  .stats{grid-template-columns:1fr 1fr}
  .stats article{min-height:112px;padding:15px}
  .stats strong{font-size:24px}
  .form-grid{grid-template-columns:1fr}
  .answers{grid-template-columns:1fr}
  .rating{position:static}
  .course-list{grid-template-columns:1fr}
}
@media(max-width:370px){.stats{grid-template-columns:1fr}.checks{grid-template-columns:1fr}}