/* ============================================================
   Phrazo Keyboard Trainer — paper style
   Токены наследуют "Phrazo Redesign". Добавлены: виртуальная
   клавиатура, finger-colors, список уроков "где я", результат.
   ============================================================ */

:root, [data-theme="light"] {
  --paper:   #f4efe4;
  --paper-2: #ebe4d3;
  --ink:     #1d1b16;
  --pencil:  #4a463c;
  --muted:   #8a8576;
  --accent:  #2f7a4f;
  --warn:    #b04638;
  --hint:    #b88a2c;
  --shadow:  rgba(0,0,0,0.08);
  --dot:     rgba(0,0,0,0.04);
  --dot2:    rgba(0,0,0,0.03);
  --accent-soft: rgba(47,122,79,0.14);
  --warn-soft:   rgba(176,70,56,0.12);
  --key-face: #faf6ec;

  /* finger colors — функциональные, приглушённые под бумагу */
  --f-l-pinky:  #c0584a;
  --f-l-ring:   #c47a3d;
  --f-l-middle: #9a8b2e;
  --f-l-index:  #5a8c34;  /* зелёный — заметно желтее, уходит от циана */
  --f-thumb:    #8a8576;
  --f-r-index:  #1f8fc9;  /* указательный правый — явный циан-синий */
  --f-r-middle: #3f59ad;  /* средний — индиго, дальше от циана */
  --f-r-ring:   #8453ac;
  --f-r-pinky:  #b0567f;

  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --hand: 'Caveat', cursive;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

[data-theme="dark"] {
  --paper:   #221f19;
  --paper-2: #2b2720;
  --ink:     #ece5d2;
  --pencil:  #b5ad9b;
  --muted:   #7d7666;
  --accent:  #63b083;
  --warn:    #d4715f;
  --hint:    #d3a94a;
  --shadow:  rgba(0,0,0,0.45);
  --dot:     rgba(255,255,255,0.05);
  --dot2:    rgba(255,255,255,0.03);
  --accent-soft: rgba(99,176,131,0.16);
  --warn-soft:   rgba(212,113,95,0.16);
  --key-face: #2f2b23;

  --f-l-pinky:  #d4715f;
  --f-l-ring:   #d49a5e;
  --f-l-middle: #c2b35a;
  --f-l-index:  #82bd55;  /* зелёный — желтее */
  --f-thumb:    #9b9484;
  --f-r-index:  #46b6e0;  /* указательный правый — циан */
  --f-r-middle: #6f8bd8;  /* средний — индиго */
  --f-r-ring:   #a884d0;
  --f-r-pinky:  #cf7da6;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  background-image:
    radial-gradient(var(--dot) 1px, transparent 1px),
    radial-gradient(var(--dot2) 1px, transparent 1px);
  background-size: 22px 22px, 11px 11px;
  background-position: 0 0, 5px 5px;
  transition: background-color .25s, color .25s;
}

/* ============ presentation chrome ============ */
.pagebar {
  position: sticky; top: 0; z-index: 30;
  background: var(--paper);
  border-bottom: 1.5px solid var(--ink);
  padding: 10px 24px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.pagebar .brand { font-family: var(--hand); font-size: 28px; line-height: 1; }
.pagebar .brand b { font-weight: 700; }
.pagebar .brand .tag {
  font-family: var(--sans); font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--muted); margin-left: 8px;
  border: 1px dashed var(--pencil); padding: 2px 6px; vertical-align: middle;
}
.var-tabs { display: flex; gap: 0; flex-wrap: wrap; }
.var-tab {
  font-family: var(--hand); font-size: 21px;
  border: 1.5px solid var(--ink); border-right-width: 0;
  background: var(--paper); color: var(--ink);
  padding: 6px 15px 4px; cursor: pointer; line-height: 1;
  transform: rotate(-0.4deg);
}
.var-tab:last-child { border-right-width: 1.5px; }
.var-tab:hover { background: var(--paper-2); }
.var-tab.active { background: var(--ink); color: var(--paper); }
.var-tab .lbl { font-family: var(--sans); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; display: block; opacity: .7; margin-top: 2px; }
.right-tools { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.theme-flip, .guest-flip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--hand); font-size: 20px;
  border: 1.5px solid var(--ink); background: var(--paper); color: var(--ink);
  padding: 6px 14px 4px; cursor: pointer; line-height: 1;
}
.theme-flip:hover, .guest-flip:hover { background: var(--paper-2); }
.guest-flip.on { background: var(--ink); color: var(--paper); }

.stage-wrap { padding: 24px; }
.maxw { max-width: 1180px; margin: 0 auto; }

.pageframe {
  border: 2px solid var(--ink); border-radius: 4px;
  background: var(--paper); box-shadow: 4px 4px 0 0 var(--shadow); overflow: hidden;
}
.pageframe-chrome {
  border-bottom: 1.5px dashed var(--pencil); padding: 10px 18px;
  display: flex; align-items: center; gap: 16px;
  font-family: var(--mono); font-size: 12px; color: var(--muted);
}
.pageframe-chrome .dots { display: flex; gap: 6px; }
.pageframe-chrome .dots span { width: 9px; height: 9px; border-radius: 50%; border: 1px solid var(--pencil); }
.pageframe-chrome .url { flex: 1; text-align: center; }

.screen { display: none; }
.screen.active { display: block; }

/* ============ app topbar ============ */
.topbar {
  padding: 12px 24px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  border-bottom: 1px dashed var(--pencil);
}
.topbar .logo { font-family: var(--hand); font-weight: 700; font-size: 26px; line-height: 1; display: flex; align-items: baseline; gap: 8px; }
.topbar a.logo { color: var(--ink); text-decoration: none; }
.topbar a.logo:hover { color: var(--accent); }
.topbar .logo small { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }
.mode-switch { display: flex; border: 1.5px solid var(--ink); }
.mode-switch button {
  font-family: var(--sans); font-size: 13px; font-weight: 500;
  border: 0; border-right: 1.5px solid var(--ink);
  background: var(--paper); color: var(--pencil); padding: 6px 14px; cursor: pointer;
}
.mode-switch button:last-child { border-right: 0; }
.mode-switch button.active { background: var(--ink); color: var(--paper); }
.topbar-actions { display: flex; gap: 10px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.pill-btn {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--sans); font-size: 13px;
  border: 1.5px solid var(--ink); padding: 6px 12px; background: var(--paper); color: var(--ink);
  cursor: pointer; line-height: 1.3;
}
.pill-btn:hover { background: var(--paper-2); }
.pill-btn .av { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--ink); display: inline-flex; align-items: center; justify-content: center; font-family: var(--hand); font-size: 14px; }

/* ============ guest banner ============ */
.guest-banner {
  display: none;
  align-items: center; gap: 14px;
  padding: 11px 24px; border-bottom: 1.5px solid var(--ink);
  background: repeating-linear-gradient(135deg, var(--paper-2), var(--paper-2) 10px, var(--paper) 10px, var(--paper) 20px);
  font-family: var(--sans); font-size: 13.5px; color: var(--ink);
}
body[data-guest="true"] .guest-banner { display: flex; }
.guest-banner .gb-ic { font-family: var(--hand); font-size: 22px; color: var(--pencil); flex-shrink: 0; }
.guest-banner b { font-weight: 600; }
.guest-banner .gb-note { color: var(--pencil); }
.guest-banner .btn { margin-left: auto; flex-shrink: 0; }

/* ============ buttons ============ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-weight: 500; font-size: 14px;
  border: 1.5px solid var(--ink); padding: 9px 16px; background: var(--paper); cursor: pointer; color: var(--ink);
}
.btn:hover { background: var(--paper-2); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { opacity: .9; }
.btn.ghost { border-color: var(--pencil); color: var(--pencil); }
.btn.sm { font-size: 12.5px; padding: 6px 11px; }
.btn kbd { font-family: var(--mono); font-size: 10px; border: 1px solid currentColor; padding: 1px 5px; border-bottom-width: 2px; border-radius: 2px; opacity: .75; }

/* ============ LESSON PLAYER ============ */
.player { padding: 22px 30px 30px; }

/* "где я" — шапка курса */
.where-head { display: flex; align-items: flex-end; gap: 18px; margin-bottom: 6px; }
.where-head .ord { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }
.where-head .module { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 1px; }
.where-head h2 { font-family: var(--hand); font-weight: 700; font-size: 32px; line-height: 1; margin: 3px 0 0; }
.where-head .lesson-link { margin-left: auto; }

/* мини-карта уроков (точки-степы по курсу) */
.lesson-dots { display: flex; gap: 4px; align-items: center; margin: 14px 0 22px; flex-wrap: wrap; }
.lesson-dots .dot {
  width: 26px; height: 26px; border: 1.5px solid var(--pencil); background: var(--paper);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11px; color: var(--muted); position: relative;
}
.lesson-dots .dot[data-st="passed"] { border-color: var(--ink); color: var(--ink); }
.lesson-dots .dot[data-st="passed"]::after { content: '✓'; position: absolute; top: -7px; right: -5px; font-size: 10px; color: var(--accent); }
.lesson-dots .dot[data-st="mastered"] { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); font-weight: 600; }
.lesson-dots .dot[data-st="current"] { border-color: var(--ink); border-width: 2px; background: var(--ink); color: var(--paper); font-weight: 600; }
.lesson-dots .dot[data-st="locked"] { border-style: dashed; color: var(--muted); }
.lesson-dots .gap { width: 10px; height: 1px; background: var(--pencil); }

/* область упражнения */
.exercise {
  border: 1.5px solid var(--ink); background: var(--key-face);
  box-shadow: 3px 3px 0 0 var(--shadow);
  padding: 26px 30px; margin-bottom: 16px;
}
.exline { font-family: var(--mono); font-size: 30px; line-height: 1.7; letter-spacing: 1px; }
.exline + .exline { margin-top: 4px; }
.exline .ch { color: var(--muted); position: relative; }
.exline .ch.done { color: var(--ink); }
.exline .ch.ok { color: var(--accent); }
.exline .ch.err { color: var(--warn); background: var(--warn-soft); }
.exline .ch.err.space { background: var(--warn-soft); }
.exline .ch.fixed { color: var(--hint); text-decoration: underline dotted; }
.exline .ch.cur { color: var(--ink); }
.exline .ch.cur::after {
  content: ''; position: absolute; left: 0; right: 1px; bottom: -2px; height: 3px;
  background: var(--ink); animation: caret 1s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }
.exline .ch.space { display: inline-block; min-width: .55ch; }

/* строка прогресса + палец */
.play-meta { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
.play-progress { flex: 1; height: 6px; border: 1px solid var(--ink); background: var(--paper); overflow: hidden; }
.play-progress > span { display: block; height: 100%; background: var(--ink); }
.finger-now {
  display: inline-flex; align-items: center; gap: 9px; flex-shrink: 0;
  font-family: var(--sans); font-size: 13px; color: var(--pencil);
}
.finger-now .swatch { width: 14px; height: 14px; border: 1.5px solid var(--ink); border-radius: 50%; }
.finger-now b { color: var(--ink); font-weight: 600; }
.live-mini { display: flex; gap: 16px; flex-shrink: 0; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.live-mini .lm b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.live-mini[data-show="test"] { display: none; }
.player[data-mode="test"] .live-mini[data-show="test"] { display: flex; }

/* ============ VIRTUAL KEYBOARD ============ */
.kbd-wrap { margin-bottom: 16px; }
.kbd {
  display: flex; flex-direction: column; gap: 7px; align-items: center;
  padding: 16px; border: 1.5px solid var(--ink); background: var(--paper);
  user-select: none;
}
.kbd[hidden] { display: none; }
.kbd-row { display: flex; gap: 7px; }
.key {
  width: 46px; height: 46px; flex-shrink: 0;
  border: 1.5px solid var(--pencil); background: var(--key-face);
  border-radius: 5px; box-shadow: 0 2px 0 0 var(--shadow);
  display: flex; align-items: flex-start; justify-content: flex-start;
  padding: 5px 0 0 7px;
  font-family: var(--mono); font-size: 14px; color: var(--ink);
  position: relative;
}
.key.wide { width: auto; padding-left: 12px; padding-right: 12px; }
.key.space { width: 280px; justify-content: center; padding: 0; align-items: center; color: var(--muted); font-size: 11px; }
.key .fin { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; border-radius: 0 0 4px 4px; }
.key[data-finger="l_pinky"]  .fin { background: var(--f-l-pinky); }
.key[data-finger="l_ring"]   .fin { background: var(--f-l-ring); }
.key[data-finger="l_middle"] .fin { background: var(--f-l-middle); }
.key[data-finger="l_index"]  .fin { background: var(--f-l-index); }
.key[data-finger="thumb"]    .fin { background: var(--f-thumb); }
.key[data-finger="r_index"]  .fin { background: var(--f-r-index); }
.key[data-finger="r_middle"] .fin { background: var(--f-r-middle); }
.key[data-finger="r_ring"]   .fin { background: var(--f-r-ring); }
.key[data-finger="r_pinky"]  .fin { background: var(--f-r-pinky); }
.key[data-home="true"]::before {
  content: ''; position: absolute; bottom: 9px; left: 50%; transform: translateX(-50%);
  width: 12px; height: 2.5px; background: var(--pencil); border-radius: 2px;
}
/* активная (следующая) клавиша */
.key.next {
  border-color: var(--ink); border-width: 2.5px; color: var(--ink);
  background: var(--paper-2); box-shadow: 0 3px 0 0 var(--ink);
  transform: translateY(-1px);
}
.key.next .glyph { font-weight: 700; }
/* клавиша только что нажата */
.key.hit { background: var(--accent-soft); }
/* подсветка клавиш урока (introduced) */
.key.intro { outline: 2px dashed var(--accent); outline-offset: 1px; }

.kbd-foot {
  display: flex; align-items: center; gap: 16px; justify-content: space-between;
  margin-top: 12px; flex-wrap: wrap;
}
.finger-legend { display: flex; gap: 12px; flex-wrap: wrap; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.finger-legend .fl { display: inline-flex; align-items: center; gap: 5px; letter-spacing: .5px; }
.finger-legend .fl i { width: 11px; height: 11px; display: inline-block; border: 1px solid var(--pencil); }
.fl[data-f="l_pinky"] i { background: var(--f-l-pinky); }
.fl[data-f="l_ring"] i { background: var(--f-l-ring); }
.fl[data-f="l_middle"] i { background: var(--f-l-middle); }
.fl[data-f="l_index"] i { background: var(--f-l-index); }
.fl[data-f="r_index"] i { background: var(--f-r-index); }
.fl[data-f="r_middle"] i { background: var(--f-r-middle); }
.fl[data-f="r_ring"] i { background: var(--f-r-ring); }
.fl[data-f="r_pinky"] i { background: var(--f-r-pinky); }

.play-actions { display: flex; gap: 12px; align-items: center; }
.play-actions .right { margin-left: auto; display: flex; gap: 12px; }

/* ============ LESSON LIST "где я" ============ */
.lessons-screen { padding: 26px 30px 36px; }
.lessons-head { display: flex; align-items: flex-end; gap: 16px; margin-bottom: 4px; }
.lessons-head h1 { font-family: var(--hand); font-weight: 700; font-size: 38px; margin: 0; line-height: 1; }
.lessons-head .course-sub { font-family: var(--sans); font-size: 13px; color: var(--pencil); }
.lessons-head .pos {
  margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--muted);
  letter-spacing: 1px; text-transform: uppercase; text-align: right;
}
.lessons-head .pos b { display: block; font-family: var(--hand); font-size: 26px; color: var(--ink); letter-spacing: 0; text-transform: none; }
.course-progress-bar { height: 8px; border: 1.5px solid var(--ink); background: var(--paper); overflow: hidden; margin: 16px 0 26px; }
.course-progress-bar > span { display: block; height: 100%; background: var(--ink); }

.module-group { margin-bottom: 22px; }
.module-group > .mg-title {
  font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase;
  padding-bottom: 7px; margin-bottom: 12px; border-bottom: 1.5px solid var(--ink);
}
.lesson-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.lesson-card {
  border: 1.5px solid var(--ink); background: var(--paper); padding: 13px 15px;
  display: grid; grid-template-columns: 38px 1fr auto; gap: 13px; align-items: center;
  box-shadow: 2px 2px 0 0 var(--shadow);
}
.lesson-card .lc-ord { font-family: var(--hand); font-weight: 700; font-size: 28px; line-height: 1; color: var(--pencil); text-align: center; }
.lesson-card .lc-body h4 { font-family: var(--sans); font-weight: 600; font-size: 14.5px; margin: 0 0 5px; }
.lc-keys { display: flex; gap: 4px; flex-wrap: wrap; }
.lc-keys .kc {
  font-family: var(--mono); font-size: 11px; min-width: 19px; height: 19px; padding: 0 3px;
  border: 1px solid var(--pencil); border-radius: 3px; background: var(--key-face);
  display: inline-flex; align-items: center; justify-content: center; color: var(--ink);
}
.lc-stars { font-size: 13px; letter-spacing: 1px; color: var(--accent); white-space: nowrap; }
.lc-stars .off { color: var(--muted); opacity: .4; }
.lc-status {
  font-family: var(--mono); font-size: 9px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); text-align: right; margin-top: 5px;
}
.lesson-card[data-st="passed"] .lc-ord { color: var(--ink); }
.lesson-card[data-st="mastered"] { border-color: var(--accent); }
.lesson-card[data-st="mastered"] .lc-status { color: var(--accent); }
.lesson-card[data-st="current"] { border-width: 2.5px; box-shadow: 4px 4px 0 0 var(--shadow); }
.lesson-card[data-st="current"]::before {
  content: 'сейчас'; font-family: var(--hand); font-size: 16px; color: var(--accent);
  position: absolute; margin-top: -34px; margin-left: -2px;
}
.lesson-card[data-st="current"] { position: relative; }
.lesson-card[data-st="locked"] { opacity: .62; }
.lesson-card[data-st="locked"] .lc-ord::after { content: ' 🔒'; font-size: 12px; }
.lesson-card[data-st="locked"] { background:
  repeating-linear-gradient(135deg, transparent, transparent 7px, var(--dot) 7px, var(--dot) 9px), var(--paper); }

/* ============ RESULT ============ */
.result-screen { padding: 38px 30px 44px; display: flex; justify-content: center; }
.result-card {
  width: 100%; max-width: 560px;
  border: 2px solid var(--ink); background: var(--paper); box-shadow: 5px 5px 0 0 var(--shadow);
  padding: 26px 30px; text-align: center;
}
.result-card .rc-stars { font-size: 34px; letter-spacing: 4px; color: var(--accent); margin-bottom: 4px; }
.result-card .rc-stars .off { color: var(--muted); opacity: .35; }
.result-card h2 { font-family: var(--hand); font-weight: 700; font-size: 34px; margin: 0 0 4px; line-height: 1.05; }
.result-card .rc-sub { font-family: var(--sans); font-size: 13.5px; color: var(--pencil); margin: 0 0 20px; }
.rc-stats { display: grid; grid-template-columns: repeat(3, 1fr); border: 1.5px solid var(--ink); margin-bottom: 18px; }
.rc-stats .c { padding: 13px 8px; border-right: 1px dashed var(--pencil); }
.rc-stats .c:last-child { border-right: 0; }
.rc-stats .c .lab { font-family: var(--mono); font-size: 9px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }
.rc-stats .c .val { font-family: var(--hand); font-weight: 700; font-size: 32px; line-height: 1.1; }
.rc-stats .c .val small { font-family: var(--sans); font-size: 11px; color: var(--pencil); font-weight: 500; }
.rc-weak {
  border: 1.5px dashed var(--pencil); padding: 12px 14px; margin-bottom: 18px; text-align: left;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.rc-weak .lab { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }
.rc-weak .keys { display: flex; gap: 6px; }
.rc-weak .keys .kc {
  font-family: var(--mono); font-size: 13px; width: 24px; height: 24px;
  border: 1.5px solid var(--warn); color: var(--warn); border-radius: 3px;
  display: inline-flex; align-items: center; justify-content: center;
}
.rc-weak .note { font-family: var(--sans); font-size: 12.5px; color: var(--pencil); margin-left: auto; flex: 1 1 100%; text-align: right; }
.rc-actions { display: flex; gap: 12px; justify-content: center; }

/* ============ DASHBOARD ============ */
.dashboard { padding: 26px 30px 38px; }
.dash-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 20px; }
.dash-title { font-family: var(--hand); font-weight: 700; font-size: 36px; margin: 0; line-height: 1; }
.dash-head .sub { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }
.dash-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dash-card {
  border: 1.5px solid var(--ink); background: var(--paper); box-shadow: 3px 3px 0 0 var(--shadow);
  padding: 15px 17px 17px; display: flex; flex-direction: column;
}
.dash-card h3 {
  font-family: var(--mono); font-size: 10px; font-weight: 500; color: var(--muted);
  letter-spacing: 1.5px; text-transform: uppercase; margin: 0 0 13px;
  padding-bottom: 8px; border-bottom: 1px dashed var(--pencil);
}
.dash-stats { display: flex; gap: 26px; }
.dash-stats .s .lab { font-family: var(--sans); font-size: 12px; color: var(--pencil); }
.dash-stats .s .val { font-family: var(--hand); font-weight: 700; font-size: 33px; line-height: 1.1; color: var(--ink); }
.dash-foot { font-family: var(--sans); font-size: 12.5px; color: var(--muted); margin-top: auto; padding-top: 10px; line-height: 1.5; }

/* keyboard heatmap (phase 2 teaser) */
.kbd.heat .key .fin { display: none; }
.kbd.heat .key[data-heat="0"] { background: var(--key-face); }
.kbd.heat .key[data-heat="1"] { background: var(--accent-soft); }
.kbd.heat .key[data-heat="2"] { background: color-mix(in oklab, var(--hint) 30%, var(--paper)); }
.kbd.heat .key[data-heat="3"] { background: var(--warn-soft); }
.kbd.heat .key[data-heat="4"] { background: color-mix(in oklab, var(--warn) 45%, var(--paper)); border-color: var(--warn); }
.dash-card.span2 { grid-column: span 2; }
.dash-card.span3 { grid-column: span 3; }
.dash-card .kbd { padding: 12px; transform: scale(.82); transform-origin: left center; }

.weak-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.weak-list li { display: grid; grid-template-columns: 26px 1fr 40px; gap: 10px; align-items: center; }
.weak-list .kc { font-family: var(--mono); font-size: 13px; width: 24px; height: 24px; border: 1.5px solid var(--warn); color: var(--warn); border-radius: 3px; display: inline-flex; align-items: center; justify-content: center; }
.weak-list .bar { height: 8px; border: 1px solid var(--ink); background: var(--paper); overflow: hidden; }
.weak-list .bar > span { display: block; height: 100%; background: var(--warn); }
.weak-list .n { font-family: var(--mono); font-size: 11px; color: var(--pencil); text-align: right; }
/* weak keys/bigrams chip rows (server-computed typo map) */
.weak-list .weak-row { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.weak-list .weak-cap { font-family: var(--mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); margin-right: 2px; }
.weak-list .weak-row .kc { width: auto; height: auto; padding: 3px 7px; gap: 5px; }
.weak-list .weak-row .kc i { font-style: normal; font-size: 10px; color: var(--pencil); }
.weak-list .note { font-family: var(--sans); font-size: 12.5px; color: var(--muted); }

.activity-heat { display: grid; grid-template-columns: repeat(12, 1fr); gap: 3px; }
.activity-heat .col { display: grid; grid-template-rows: repeat(7, 1fr); gap: 3px; }
.activity-heat .cell { aspect-ratio: 1; border: 1px solid var(--pencil); background: var(--paper); }
.activity-heat .cell.l1 { background: var(--accent-soft); }
.activity-heat .cell.l2 { background: color-mix(in oklab, var(--accent) 40%, var(--paper)); }
.activity-heat .cell.l3 { background: color-mix(in oklab, var(--accent) 66%, var(--paper)); }
.activity-heat .cell.l4 { background: var(--accent); border-color: var(--accent); }

/* ============ SETTINGS / POPOVERS ============ */
.popover-stage { padding: 34px 30px 44px; }
.popover-row { display: flex; gap: 26px; align-items: flex-start; flex-wrap: wrap; }
.popover-col { display: flex; flex-direction: column; gap: 10px; }
.popover-cap { font-family: var(--hand); font-size: 21px; color: var(--pencil); }
.popover-cap b { color: var(--ink); }
.popover { width: 300px; border: 1.5px solid var(--ink); background: var(--paper); box-shadow: 4px 4px 0 0 var(--shadow); padding: 16px 18px; }
.popover h4 { font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px dashed var(--pencil); }
.settings-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.settings-row label { font-family: var(--sans); font-size: 13px; color: var(--ink); }
.settings-row select { font-family: var(--mono); font-size: 12px; border: 1.5px solid var(--ink); background: var(--paper); color: var(--ink); padding: 5px 8px; min-width: 140px; border-radius: 0; appearance: auto; }
.settings-check { display: flex; align-items: center; gap: 9px; font-family: var(--sans); font-size: 13px; color: var(--ink); padding: 6px 0; cursor: pointer; }
.settings-check input { accent-color: var(--accent); width: 15px; height: 15px; }
.auth-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.auth-row .av { width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--ink); display: inline-flex; align-items: center; justify-content: center; font-family: var(--hand); font-size: 20px; font-weight: 700; }
.auth-row .who strong { display: block; font-family: var(--sans); font-size: 14px; }
.auth-row .who span { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.plan-line { border: 1px dashed var(--pencil); padding: 8px 10px; margin-bottom: 12px; font-family: var(--sans); font-size: 12.5px; color: var(--pencil); }
.plan-line b { color: var(--accent); }
.popover .btn { width: 100%; justify-content: center; margin-top: 4px; }

/* ============ design note ============ */
.designnote {
  margin: 24px auto 0; max-width: 1180px; padding: 16px 18px;
  border: 1.5px dashed var(--pencil); background: var(--paper);
  display: grid; grid-template-columns: 170px 1fr; gap: 18px;
  font-family: var(--sans); font-size: 13.5px; color: var(--pencil); line-height: 1.55;
}
.designnote h3 { margin: 0; font-family: var(--hand); font-weight: 700; font-size: 24px; color: var(--ink); line-height: 1; }
.designnote ul { margin: 0; padding-left: 18px; }
.designnote li + li { margin-top: 4px; }
.designnote b { color: var(--ink); }

@media (max-width: 1000px) {
  .lesson-cards { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  .dash-card.span2, .dash-card.span3 { grid-column: auto; }
  .exline { font-size: 22px; }
  .key { width: 38px; height: 38px; font-size: 12px; }
  .key.space { width: 200px; }
  .designnote { grid-template-columns: 1fr; }
}