/* =========================================================================
   My English Diary - "Riso Notebook"
   Two-ink risograph aesthetic: federal blue + fluorescent pink on paper.
   ========================================================================= */

/* ---------- Tokens: light is the base, complete on bare :root ---------- */
:root {
  --paper:      #F1F1EC;
  --paper-2:    #FFFFFF;
  --paper-3:    #E6E6DF;
  --paper-sunk: #EAEAE3;
  --ink:        #182356;
  --ink-2:      #414D86;
  --ink-3:      #7E86AD;
  --line:       #D8D8D0;
  --line-2:     #C3C3B9;
  --pink:       #FF2E88;
  --pink-soft:  #FFDCEB;
  --pink-ghost: rgba(255, 46, 136, .30);
  --mint:       #00A88E;
  --mint-soft:  #D2F1EA;
  --amber:      #E08A00;
  --amber-soft: #FCE9C4;
  --danger:     #D93A3A;
  --hero-bg:    #182356;
  --hero-fg:    #F4F4EF;
  --shadow:     0 1px 0 rgba(24,35,86,.05), 0 8px 24px -14px rgba(24,35,86,.30);
  --shadow-lg:  0 2px 0 rgba(24,35,86,.06), 0 26px 50px -26px rgba(24,35,86,.42);
  --dot:        rgba(24,35,86,.10);
  --blend:      multiply;

  --r-sm: 6px;  --r-md: 12px;  --r-lg: 18px;  --r-xl: 26px;
  --fs-display: clamp(1.9rem, 1.2rem + 2.4vw, 3rem);
  --fs-h1: clamp(1.45rem, 1.1rem + 1.3vw, 2rem);
  --fs-h2: 1.12rem;
  --fs-body: 1rem;
  --fs-sm: .875rem;
  --fs-xs: .78rem;
  --fs-micro: .68rem;
  --rail: 232px;
  --tabbar: 66px;
  --font-display: "Gabarito", "Trebuchet MS", sans-serif;
  --font-body: "Karla", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "DM Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-hand: "Caveat", "Bradley Hand", cursive;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:      #0F1322;
    --paper-2:    #171C2E;
    --paper-3:    #202741;
    --paper-sunk: #0B0E19;
    --ink:        #E9EAF3;
    --ink-2:      #B4BAD9;
    --ink-3:      #7E86AD;
    --line:       #2A3048;
    --line-2:     #3A4260;
    --pink:       #FF5C9D;
    --pink-soft:  #3A1B2C;
    --pink-ghost: rgba(255, 92, 157, .34);
    --mint:       #2ED3B7;
    --mint-soft:  #12332F;
    --amber:      #FFC24D;
    --amber-soft: #33280F;
    --danger:     #FF6B6B;
    --hero-bg:    #232B4D;
    --hero-fg:    #F4F4EF;
    --shadow:     0 1px 0 rgba(0,0,0,.25), 0 8px 24px -14px rgba(0,0,0,.7);
    --shadow-lg:  0 2px 0 rgba(0,0,0,.3), 0 26px 50px -26px rgba(0,0,0,.85);
    --dot:        rgba(233,234,243,.09);
    --blend:      screen;
  }
}
:root[data-theme="dark"] {
  --paper:      #0F1322;
  --paper-2:    #171C2E;
  --paper-3:    #202741;
  --paper-sunk: #0B0E19;
  --ink:        #E9EAF3;
  --ink-2:      #B4BAD9;
  --ink-3:      #7E86AD;
  --line:       #2A3048;
  --line-2:     #3A4260;
  --pink:       #FF5C9D;
  --pink-soft:  #3A1B2C;
  --pink-ghost: rgba(255, 92, 157, .34);
  --mint:       #2ED3B7;
  --mint-soft:  #12332F;
  --amber:      #FFC24D;
  --amber-soft: #33280F;
  --danger:     #FF6B6B;
  --hero-bg:    #232B4D;
  --hero-fg:    #F4F4EF;
  --shadow:     0 1px 0 rgba(0,0,0,.25), 0 8px 24px -14px rgba(0,0,0,.7);
  --shadow-lg:  0 2px 0 rgba(0,0,0,.3), 0 26px 50px -26px rgba(0,0,0,.85);
  --dot:        rgba(233,234,243,.09);
  --blend:      screen;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  background-image: radial-gradient(var(--dot) 1px, transparent 1.1px);
  background-size: 22px 22px;
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: -.015em; }
p { margin: 0; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--pink); text-underline-offset: 3px; }
:focus-visible { outline: 2.5px solid var(--pink); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--pink-soft); color: var(--ink); }

.ic { width: 20px; height: 20px; flex: 0 0 auto; }

/* riso mis-registration: a pink ghost sitting behind the display type */
.riso { position: relative; display: inline-block; }
.riso::before {
  content: attr(data-ghost);
  position: absolute; inset: 0;
  transform: translate(-2.5px, 2px);
  color: var(--pink-ghost);
  mix-blend-mode: var(--blend);
  z-index: -1;
  pointer-events: none;
}

.micro {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- App shell ---------- */
.app { min-height: 100vh; display: flex; }

.rail {
  display: none;
  width: var(--rail); flex: 0 0 var(--rail);
  position: sticky; top: 0; height: 100vh;
  padding: 26px 18px 20px;
  border-right: 1.5px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 60%, transparent);
  backdrop-filter: blur(6px);
  flex-direction: column; gap: 26px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--ink); color: var(--paper-2);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1.05rem;
  box-shadow: 3px 3px 0 var(--pink);
  flex: 0 0 auto;
}
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.02rem; line-height: 1.05; }
.brand-sub { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }

.rail-nav { display: flex; flex-direction: column; gap: 3px; }
.rail-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--r-md);
  color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: var(--fs-sm);
  transition: background .16s ease, color .16s ease, transform .16s ease;
}
.rail-nav a:hover { background: var(--paper-3); color: var(--ink); }
.rail-nav a.on { background: var(--ink); color: var(--paper-2); }
.rail-nav a.on .ic { color: var(--pink); }
.rail-nav .badge-dot { margin-left: auto; background: var(--pink); color: #fff; font-family: var(--font-mono); font-size: .62rem; padding: 1px 6px; border-radius: 99px; }
.rail-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }

.main { flex: 1 1 auto; min-width: 0; padding-bottom: calc(var(--tabbar) + 26px); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 20px 16px 40px; }

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  height: calc(var(--tabbar) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: color-mix(in srgb, var(--paper-2) 88%, transparent);
  backdrop-filter: blur(14px);
  border-top: 1.5px solid var(--line);
}
.tabbar a {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  text-decoration: none; color: var(--ink-3);
  font-family: var(--font-mono); font-size: .6rem; letter-spacing: .08em; text-transform: uppercase;
  position: relative; transition: color .16s ease;
}
.tabbar a.on { color: var(--ink); }
.tabbar a.on::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 30px; height: 3px; background: var(--pink); border-radius: 0 0 4px 4px;
}
.tabbar .ic { width: 22px; height: 22px; }
.tabbar a.on .ic { color: var(--pink); }

/* ---------- Page header ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin: 6px 0 20px; flex-wrap: wrap; }
.page-title { font-size: var(--fs-h1); }
.page-sub { color: var(--ink-3); font-size: var(--fs-sm); margin-top: 3px; }

/* ---------- Card ---------- */
.card {
  background: var(--paper-2);
  border: 1.5px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--shadow);
  position: relative;
}
.card.tape::after {
  content: ""; position: absolute; top: -9px; left: 50%; transform: translateX(-50%) rotate(-1.6deg);
  width: 74px; height: 17px; background: var(--pink-soft);
  border: 1px solid color-mix(in srgb, var(--pink) 30%, transparent);
  border-radius: 2px; opacity: .95;
}
.card-head { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; }
.card-head h3 { font-size: var(--fs-h2); }
.card-head .ic { color: var(--pink); width: 18px; height: 18px; flex: 0 0 auto; }
.card-head .spacer { margin-left: auto; }

.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: 1fr; }
.g3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(2, minmax(0,1fr)); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 99px;
  border: 1.5px solid var(--ink); background: var(--paper-2); color: var(--ink);
  font-weight: 700; font-size: var(--fs-sm); cursor: pointer; white-space: nowrap;
  transition: transform .12s ease, box-shadow .12s ease, background .16s ease, color .16s ease;
  box-shadow: 2px 2px 0 var(--ink);
  text-decoration: none;
}
.btn:hover { transform: translate(-1px,-1px); box-shadow: 3px 3px 0 var(--ink); }
.btn:active { transform: translate(1px,1px); box-shadow: 1px 1px 0 var(--ink); }
.btn-primary { background: var(--ink); color: var(--paper-2); }
.btn-primary:hover { background: var(--ink); }
.btn-pink { background: var(--pink); border-color: var(--pink); color: #fff; box-shadow: 2px 2px 0 var(--ink); }
.btn-ghost { border-color: var(--line-2); box-shadow: none; background: transparent; font-weight: 600; }
.btn-ghost:hover { background: var(--paper-3); transform: none; box-shadow: none; }
.btn-sm { padding: 6px 12px; font-size: var(--fs-xs); }
.btn-icon { padding: 8px; border-radius: 10px; width: 36px; height: 36px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none !important; }

/* ---------- Fields ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field > label { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .13em; text-transform: uppercase; color: var(--ink-3); }
.input, .textarea, select.input {
  width: 100%; padding: 10px 12px;
  background: var(--paper-sunk);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  color: var(--ink);
  transition: border-color .16s ease, background .16s ease;
}
.input::placeholder, .textarea::placeholder { color: var(--ink-3); opacity: .75; }
.input:focus, .textarea:focus { outline: none; border-color: var(--pink); background: var(--paper-2); }
.textarea { resize: vertical; min-height: 86px; font-family: inherit; line-height: 1.6; }
select.input { appearance: none; background-image: none; cursor: pointer; }

/* ruled writing line, echoing the paper form */
.ruled {
  background: transparent; border: 0; border-bottom: 1.5px dashed var(--line-2);
  border-radius: 0; padding: 6px 2px; width: 100%;
}
.ruled:focus { outline: none; border-bottom-color: var(--pink); border-bottom-style: solid; }

/* ---------- Pickers (mood / weather) ---------- */
.pick { display: flex; gap: 8px; flex-wrap: wrap; }
.pick button {
  width: 46px; height: 46px; flex: 0 0 auto; border-radius: 50%;
  border: 1.5px solid var(--line-2); background: var(--paper-2);
  display: grid; place-items: center; cursor: pointer; color: var(--ink-2);
  transition: transform .15s cubic-bezier(.34,1.56,.64,1), border-color .15s ease, background .15s ease, color .15s ease;
}
.pick button:hover { transform: translateY(-3px); }
.pick button.on { background: var(--ink); border-color: var(--ink); color: var(--pink); transform: translateY(-3px) scale(1.06); }
.pick .ic { width: 26px; height: 26px; }

/* dot rating (energy) */
.dots { display: flex; gap: 9px; }
.dots button {
  width: 27px; height: 27px; flex: 0 0 auto; border-radius: 50%;
  border: 1.5px solid var(--line-2); background: transparent; cursor: pointer; padding: 0;
  transition: background .14s ease, transform .14s ease, border-color .14s ease;
}
.dots button.on { background: var(--pink); border-color: var(--pink); }
.dots button:hover { transform: scale(1.14); }

/* icon rating (effort drops / satisfaction apples) */
.rating { display: flex; gap: 6px; flex-wrap: wrap; }
.rating button {
  border: 0; background: transparent; padding: 2px; cursor: pointer; color: var(--line-2);
  transition: transform .15s cubic-bezier(.34,1.56,.64,1), color .15s ease;
  line-height: 0;
}
.rating .ic { width: 27px; height: 27px; }
.rating button.on { color: var(--pink); }
.rating button:hover { transform: translateY(-3px) rotate(-6deg); }

/* checkbox row */
.check {
  display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none;
}
.check input { position: absolute; opacity: 0; width: 0; height: 0; }
.check .box {
  width: 21px; height: 21px; flex: 0 0 auto;
  border: 1.8px solid var(--line-2); border-radius: 5px;
  display: grid; place-items: center; transition: background .14s ease, border-color .14s ease;
}
.check .box svg { width: 13px; height: 13px; color: var(--paper-2); opacity: 0; transform: scale(.4); transition: opacity .16s ease, transform .18s cubic-bezier(.34,1.56,.64,1); }
.check input:checked + .box { background: var(--mint); border-color: var(--mint); }
.check input:checked + .box svg { opacity: 1; transform: scale(1); }
.check input:focus-visible + .box { outline: 2.5px solid var(--pink); outline-offset: 2px; }

/* ---------- Chips & pills ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 99px;
  border: 1.3px solid var(--line-2); background: var(--paper-2);
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .07em; text-transform: uppercase;
  color: var(--ink-2);
}
.chip.pink { background: var(--pink-soft); border-color: color-mix(in srgb, var(--pink) 40%, transparent); color: color-mix(in srgb, var(--pink) 78%, var(--ink)); }
.chip.mint { background: var(--mint-soft); border-color: color-mix(in srgb, var(--mint) 40%, transparent); color: color-mix(in srgb, var(--mint) 72%, var(--ink)); }
.chip.amber{ background: var(--amber-soft); border-color: color-mix(in srgb, var(--amber) 45%, transparent); color: color-mix(in srgb, var(--amber) 72%, var(--ink)); }
.chip button { border: 0; background: none; padding: 0; cursor: pointer; color: inherit; opacity: .6; line-height: 0; }
.chip button:hover { opacity: 1; }

/* ---------- KPI tiles ---------- */
.kpis { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.kpi {
  background: var(--paper-2); border: 1.5px solid var(--line); border-radius: var(--r-lg);
  padding: 14px; display: flex; flex-direction: column; gap: 3px; position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--accent, var(--pink)); }
.kpi .k-val { font-family: var(--font-display); font-weight: 800; font-size: 1.7rem; line-height: 1; font-variant-numeric: tabular-nums; }
.kpi .k-val small { font-size: .8rem; font-weight: 600; color: var(--ink-3); margin-left: 2px; }
.kpi .k-lbl { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .11em; text-transform: uppercase; color: var(--ink-3); }
.kpi .k-note { font-size: var(--fs-xs); color: var(--ink-2); margin-top: 2px; }

/* ---------- Streak / hero ---------- */
.hero {
  background: var(--hero-bg); color: var(--hero-fg);
  border-radius: var(--r-xl); padding: 20px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1.2px);
  background-size: 14px 14px; pointer-events: none;
}
.hero-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; position: relative; z-index: 1; }
.hero h2 { font-size: clamp(1.35rem, 1.1rem + 1.2vw, 1.9rem); color: var(--hero-fg); }
.hero .micro { color: rgba(255,255,255,.62); }
.streak {
  display: flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.10); border: 1.3px solid rgba(255,255,255,.18);
  padding: 7px 14px; border-radius: 99px; flex: 0 0 auto;
}
.streak .ic { width: 20px; height: 20px; color: var(--amber); }
.streak b { font-family: var(--font-display); font-size: 1.25rem; line-height: 1; }
.streak span { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; opacity: .7; }

.hero-body { position: relative; z-index: 1; display: flex; align-items: center; gap: 20px; margin-top: 18px; flex-wrap: wrap; }
.ring-wrap { display: flex; align-items: center; gap: 14px; }
.ring-caption b { font-family: var(--font-display); font-size: 1.5rem; display: block; line-height: 1.1; }
.ring-caption span { font-size: var(--fs-xs); color: rgba(255,255,255,.68); }

.hero .btn { background: var(--hero-fg); color: var(--hero-bg); border-color: var(--hero-fg); box-shadow: 2px 2px 0 var(--pink); flex: 1 1 auto; }
.hero .btn:hover { box-shadow: 3px 3px 0 var(--pink); }
@media (min-width: 560px) { .hero .btn { flex: 0 0 auto; } }

/* level bar */
.lvl { margin-top: 16px; position: relative; z-index: 1; }
.lvl-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.lvl-bar { height: 9px; border-radius: 99px; background: rgba(255,255,255,.16); overflow: hidden; }
.lvl-fill { height: 100%; background: linear-gradient(90deg, var(--pink), var(--amber)); border-radius: 99px; transition: width .9s cubic-bezier(.22,1,.36,1); }

/* ---------- Quote of the week ---------- */
.quote-week {
  background: var(--pink-soft);
  border: 1.5px solid color-mix(in srgb, var(--pink) 34%, transparent);
  border-radius: var(--r-lg); padding: 20px 20px 16px; position: relative;
}
.quote-week .qmark {
  font-family: var(--font-display); font-size: 3.6rem; line-height: .7;
  color: var(--pink); opacity: .38; position: absolute; top: 12px; right: 18px;
}
.quote-week blockquote {
  margin: 0; font-family: var(--font-hand); font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.85rem);
  line-height: 1.28; color: var(--ink); position: relative; z-index: 1; padding-right: 34px;
}
.quote-week cite { display: block; margin-top: 8px; font-style: normal; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .11em; text-transform: uppercase; color: color-mix(in srgb, var(--pink) 72%, var(--ink)); }

/* ---------- Skill bars ---------- */
.sbar { display: flex; align-items: center; gap: 10px; padding: 5px 0; }
.sbar .s-name { width: 88px; flex: 0 0 auto; font-size: var(--fs-xs); font-weight: 600; }
.sbar .s-track { flex: 1 1 auto; height: 10px; background: var(--paper-sunk); border-radius: 99px; overflow: hidden; }
.sbar .s-fill { height: 100%; border-radius: 99px; transition: width .8s cubic-bezier(.22,1,.36,1); }
.sbar .s-val { width: 52px; text-align: right; flex: 0 0 auto; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-3); font-variant-numeric: tabular-nums; }

/* ---------- Timeline rows ---------- */
.tl-row { display: grid; grid-template-columns: 84px 1fr auto; gap: 8px; align-items: center; }
.tl-row + .tl-row { margin-top: 4px; }
.tl-row .del, .learn-row .del { border: 0; background: none; cursor: pointer; color: var(--ink-3); padding: 5px; line-height: 0; border-radius: 8px; flex: 0 0 auto; }
.tl-row .del:hover, .learn-row .del:hover { color: var(--ink); background: var(--paper-3); }

/* ---------- Learning lines ---------- */
.learn-row { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; border-bottom: 1.5px dashed var(--line); }
.learn-row:last-child { border-bottom: 0; }
.learn-row .grow { flex: 1 1 auto; min-width: 0; }
.learn-row .star { border: 0; background: none; cursor: pointer; color: var(--line-2); padding: 5px; line-height: 0; border-radius: 8px; flex: 0 0 auto; transition: color .15s ease, transform .15s ease; }
.learn-row .star.on { color: var(--amber); }
.learn-row .star:hover { transform: scale(1.18); }

/* ---------- Calendar ---------- */
.cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 5px; }
.cal-dow { text-align: center; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding-bottom: 4px; }
.cal-cell {
  aspect-ratio: 1; min-width: 0; border-radius: var(--r-md); border: 1.5px solid var(--line);
  background: var(--paper-2); cursor: pointer; padding: 4px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-2);
  transition: transform .14s ease, border-color .14s ease, background .14s ease;
}
.cal-cell:hover { transform: translateY(-2px); border-color: var(--ink-3); }
.cal-cell.today { border-color: var(--ink); border-width: 2px; }
.cal-cell .cdot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); }
.cal-cell.has .cdot { background: var(--pink); }
.cal-cell.future { opacity: .4; }

/* heatmap */
.heat { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 1fr); gap: 3px; overflow-x: auto; padding-bottom: 6px; }
.heat i { width: 12px; height: 12px; border-radius: 3px; background: var(--paper-sunk); display: block; }

/* ---------- Word list ---------- */
.word {
  display: flex; align-items: flex-start; gap: 12px; padding: 13px 0;
  border-bottom: 1.5px dashed var(--line);
}
.word:last-child { border-bottom: 0; }
.word .w-term { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.word .w-mean { color: var(--ink-2); font-size: var(--fs-sm); }
.word .w-ex { color: var(--ink-3); font-size: var(--fs-xs); font-style: italic; margin-top: 3px; }
.word .w-acts { margin-left: auto; display: flex; gap: 4px; flex: 0 0 auto; }

/* mastery pips */
.pips { display: inline-flex; gap: 3px; vertical-align: middle; }
.pips i { width: 6px; height: 6px; border-radius: 50%; background: var(--line-2); display: block; }
.pips i.on { background: var(--mint); }

/* ---------- Review / flashcards ---------- */
.deck { max-width: 560px; margin: 0 auto; }
.flash {
  background: var(--paper-2); border: 1.5px solid var(--line); border-radius: var(--r-xl);
  padding: 30px 24px; min-height: 260px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  text-align: center; box-shadow: var(--shadow-lg); position: relative;
}
.flash .f-term { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem, 1.2rem + 2vw, 2.4rem); line-height: 1.14; }
.flash .f-back { font-size: 1.05rem; color: var(--ink-2); max-width: 42ch; }
.flash .f-ex { font-family: var(--font-hand); font-size: 1.3rem; color: var(--pink); }
.blurred { filter: blur(7px); user-select: none; transition: filter .32s ease; }
.grades { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; }

/* ---------- Badges ---------- */
.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
.badge {
  border: 1.5px solid var(--line); border-radius: var(--r-md); padding: 12px 8px;
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  background: var(--paper-2); transition: transform .16s ease;
}
.badge.locked { opacity: .42; filter: grayscale(1); }
.badge:not(.locked):hover { transform: translateY(-3px) rotate(-2deg); }
.badge .b-ic { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--amber-soft); color: var(--amber); }
.badge.locked .b-ic { background: var(--paper-3); color: var(--ink-3); }
.badge .b-name { font-size: var(--fs-xs); font-weight: 700; line-height: 1.2; }
.badge .b-desc { font-size: .66rem; color: var(--ink-3); line-height: 1.3; }

/* ---------- Progress bar in sticky header ---------- */
.sticky-head {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  margin: -20px -16px 16px; padding: 12px 16px 10px;
  border-bottom: 1.5px solid var(--line);
}
.sticky-row { display: flex; align-items: center; gap: 12px; }
.prog { flex: 1 1 auto; height: 7px; background: var(--paper-3); border-radius: 99px; overflow: hidden; }
.prog i { display: block; height: 100%; background: var(--pink); border-radius: 99px; transition: width .5s cubic-bezier(.22,1,.36,1); }

/* ---------- Stamp ---------- */
.stamp {
  position: absolute; top: 10px; right: 12px;
  font-family: var(--font-display); font-weight: 800; font-size: .82rem; letter-spacing: .16em;
  color: var(--mint); border: 2.5px solid var(--mint); border-radius: 7px;
  padding: 3px 10px; transform: rotate(-11deg); opacity: .9;
  transform-origin: 100% 0;
  animation: stampIn .42s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes stampIn { from { transform: rotate(-11deg) scale(1.9); opacity: 0; } to { transform: rotate(-11deg) scale(1); opacity: .9; } }

/* ---------- Toast ---------- */
.toast-host { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--tabbar) + 18px); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  background: var(--ink); color: var(--paper-2); padding: 10px 18px; border-radius: 99px;
  font-size: var(--fs-sm); font-weight: 600; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 8px;
  animation: toastIn .3s cubic-bezier(.34,1.56,.64,1) both;
}
.toast .ic { color: var(--pink); width: 17px; height: 17px; }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px) scale(.94); } to { opacity: 1; transform: none; } }

/* ---------- Modal ---------- */
.modal-host { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 18px; background: color-mix(in srgb, var(--ink) 46%, transparent); backdrop-filter: blur(3px); animation: fade .2s ease both; }
@keyframes fade { from { opacity: 0 } to { opacity: 1 } }
.modal {
  width: min(520px, 100%); max-height: 86vh; overflow: auto;
  background: var(--paper-2); border: 1.5px solid var(--line-2); border-radius: var(--r-xl);
  padding: 22px; box-shadow: var(--shadow-lg);
  animation: pop .28s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes pop { from { opacity: 0; transform: translateY(18px) scale(.96) } to { opacity: 1; transform: none } }
.modal h2 { font-size: 1.3rem; margin-bottom: 6px; }
.modal .m-sub { color: var(--ink-3); font-size: var(--fs-sm); margin-bottom: 16px; }
.modal-acts { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }

/* ---------- Empty state ---------- */
.empty { text-align: center; padding: 34px 18px; color: var(--ink-3); }
.empty .ic { width: 40px; height: 40px; color: var(--line-2); margin-bottom: 10px; }
.empty h4 { font-size: 1.05rem; color: var(--ink); margin-bottom: 4px; }
.empty p { font-size: var(--fs-sm); max-width: 34ch; margin: 0 auto; }

/* ---------- Charts ---------- */
.chart { width: 100%; overflow-x: auto; }
.chart svg { display: block; max-width: 100%; height: auto; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 10px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-xs); color: var(--ink-2); }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: block; }

/* ---------- Segmented control ---------- */
.seg { display: inline-flex; padding: 3px; background: var(--paper-3); border-radius: 99px; gap: 2px; }
.seg button {
  border: 0; background: none; cursor: pointer; padding: 6px 14px; border-radius: 99px;
  font-size: var(--fs-xs); font-weight: 700; color: var(--ink-3); transition: background .16s ease, color .16s ease;
}
.seg button.on { background: var(--paper-2); color: var(--ink); box-shadow: var(--shadow); }

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.mt { margin-top: 14px; }
.hr { height: 1.5px; background: var(--line); border: 0; margin: 14px 0; }

/* ---------- Animations on mount ---------- */
.rise { animation: rise .5s cubic-bezier(.22,1,.36,1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.rise:nth-child(1) { animation-delay: .02s } .rise:nth-child(2) { animation-delay: .07s }
.rise:nth-child(3) { animation-delay: .12s } .rise:nth-child(4) { animation-delay: .17s }
.rise:nth-child(5) { animation-delay: .22s } .rise:nth-child(6) { animation-delay: .27s }
.rise:nth-child(7) { animation-delay: .32s } .rise:nth-child(8) { animation-delay: .37s }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ---------- Responsive ---------- */
@media (min-width: 620px) {
  .g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .kpis { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .wrap { padding: 26px 24px 48px; }
  .sticky-head { margin: -26px -24px 20px; padding: 14px 24px 12px; }
}
@media (min-width: 900px) {
  .rail { display: flex; }
  .tabbar { display: none; }
  .main { padding-bottom: 0; }
  .g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .toast-host { bottom: 24px; }
}

/* ---------- Print: rebuild the paper form ---------- */
@media print {
  @page { size: A4 portrait; margin: 12mm; }
  body { background: #fff !important; color: #000; }
  .rail, .tabbar, .sticky-head, .toast-host, .no-print, .btn { display: none !important; }
  .wrap { max-width: none; padding: 0; }
  .card, .kpi, .hero, .quote-week { break-inside: avoid; box-shadow: none !important; border-color: #999 !important; }
  .hero { background: #fff !important; color: #000 !important; border: 1.5px solid #999; }
  .hero h2, .hero .micro { color: #000 !important; }
  .print-only { display: block !important; }
}
.print-only { display: none; }

/* ---------- Mobile top bar ---------- */
.mob-top {
  display: flex; align-items: center; gap: 10px;
  margin: -20px -16px 14px; padding: 12px 16px;
  border-bottom: 1.5px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 70%, transparent);
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px);
}
.mob-top .brand-mark { width: 32px; height: 32px; border-radius: 9px; font-size: .9rem; box-shadow: 2px 2px 0 var(--pink); }
.mob-top .brand-name { font-size: .95rem; }
@media (min-width: 620px) { .mob-top { margin: -26px -24px 18px; padding: 14px 24px; } }
@media (min-width: 900px) { .mob-top { display: none; } }
/* the daily page has its own sticky header - stack them without overlap */
@media (max-width: 899px) { .sticky-head { top: 57px; } }