/* Legal Academy — navy + brass, light and dark.
   Light is the default: students read in daylight, on phones. */

:root,
:root[data-theme="light"] {
  --bg:        #faf8f4;   /* warm paper */
  --surface:   #ffffff;
  --surface2:  #f3efe7;
  --surface3:  #eae4d8;
  --border:    #ddd5c6;
  --border2:   #c9bfab;

  --ink:       #14202e;
  --ink2:      #4a5a6e;
  --ink3:      #6b7b8f;

  --navy:      #0b2136;
  --brass:     #9a7420;   /* darkened for contrast on paper */
  --brass-bg:  #f5ecd4;

  --ok:        #1d6b4f;
  --ok-bg:     #e2f3ea;
  --no:        #a32d24;
  --no-bg:     #fbe7e4;
  --amber:     #8a5a12;
  --amber-bg:  #fbeed6;
  --blue:      #1f5d94;
  --blue-bg:   #e4eff9;
  --violet:    #5b4394;
  --violet-bg: #ece7f8;
  --green:     #1d6b4f;
  --green-bg:  #e2f3ea;
  --red:       #a32d24;
  --red-bg:    #fbe7e4;

  --shadow:    0 1px 2px rgba(11,33,54,.06), 0 8px 24px rgba(11,33,54,.06);
  --shadow-sm: 0 1px 2px rgba(11,33,54,.08);
  --serif: "Lora", Georgia, "Times New Roman", serif;
  --sans:  "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:  ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
  --bg:        #071624;
  --surface:   #0d2032;
  --surface2:  #112941;
  --surface3:  #17344f;
  --border:    #1e3b55;
  --border2:   #2b4d6c;

  --ink:       #e9eff3;
  --ink2:      #b3c4d2;
  --ink3:      #8fa4b6;

  --navy:      #e9eff3;
  --brass:     #d6b25f;
  --brass-bg:  #33270f;

  --ok:        #4fc39b;  --ok-bg:     #0f3129;
  --no:        #f0897f;  --no-bg:     #3b1f1c;
  --amber:     #e0a44a;  --amber-bg:  #33270f;
  --blue:      #7fb3e6;  --blue-bg:   #122e46;
  --violet:    #b9a3f0;  --violet-bg: #241d3a;
  --green:     #4fc39b;  --green-bg:  #0f3129;
  --red:       #f0897f;  --red-bg:    #3b1f1c;

  --shadow:    0 8px 32px rgba(0,0,0,.45);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:#071624; --surface:#0d2032; --surface2:#112941; --surface3:#17344f;
    --border:#1e3b55; --border2:#2b4d6c;
    --ink:#e9eff3; --ink2:#b3c4d2; --ink3:#8fa4b6;
    --navy:#e9eff3; --brass:#d6b25f; --brass-bg:#33270f;
    --ok:#4fc39b; --ok-bg:#0f3129; --no:#f0897f; --no-bg:#3b1f1c;
    --amber:#e0a44a; --amber-bg:#33270f; --blue:#7fb3e6; --blue-bg:#122e46;
    --violet:#b9a3f0; --violet-bg:#241d3a; --green:#4fc39b; --green-bg:#0f3129;
    --red:#f0897f; --red-bg:#3b1f1c;
    --shadow:0 8px 32px rgba(0,0,0,.45); --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}
h1, h2, h3, h4 { font-family: var(--serif); color: var(--navy); margin: 0 0 .5rem; line-height: 1.25; }
h1 { font-size: 1.75rem; letter-spacing: -.01em; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
p  { margin: 0 0 .75rem; }
a  { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; border-radius: 6px; }

/* ---------- layout ---------- */
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.view { padding: 18px 0 32px; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar .wrap { display: flex; align-items: center; gap: 10px; min-height: 54px; }
.topbar .t-title { font-family: var(--serif); font-weight: 600; font-size: 1rem; flex: 1; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.iconbtn {
  background: none; border: 1px solid transparent; border-radius: 10px;
  width: 38px; height: 38px; display: grid; place-items: center;
  cursor: pointer; color: var(--ink2); font-size: 1.1rem; flex: none;
}
.iconbtn:hover { background: var(--surface2); color: var(--ink); }

.kicker { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brass); font-weight: 700; margin: 0 0 .35rem; }
.sub { color: var(--ink2); }
.muted { color: var(--ink3); font-size: .85rem; }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow-sm);
}
button.card, a.card { display: block; width: 100%; text-align: left; cursor: pointer; }
button.card:hover, a.card:hover { border-color: var(--brass); text-decoration: none; }
.card-row { display: flex; align-items: center; gap: 12px; }
.card-row .grow { flex: 1; min-width: 0; }
.chev { color: var(--ink3); flex: none; }
.emoji {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  display: grid; place-items: center; font-size: 1.4rem; background: var(--surface2);
}
.accent-brass  .emoji { background: var(--brass-bg); }
.accent-blue   .emoji { background: var(--blue-bg); }
.accent-green  .emoji { background: var(--green-bg); }
.accent-violet .emoji { background: var(--violet-bg); }
.accent-amber  .emoji { background: var(--amber-bg); }
.accent-red    .emoji { background: var(--red-bg); }

/* ---------- pills / tags ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .72rem; font-weight: 700; letter-spacing: .03em;
  padding: 3px 9px; border-radius: 999px; background: var(--surface2); color: var(--ink2);
}
.pill.gh   { background: var(--blue-bg);   color: var(--blue); }
.pill.uk   { background: var(--violet-bg); color: var(--violet); }
.pill.ok   { background: var(--ok-bg);     color: var(--ok); }
.pill.lock { background: var(--amber-bg);  color: var(--amber); }
.pill.free { background: var(--ok-bg);     color: var(--ok); }

/* ---------- progress ---------- */
.bar { height: 8px; border-radius: 999px; background: var(--surface3); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--brass); border-radius: 999px;
  transition: width .35s ease; }
.bar.ok > i { background: var(--ok); }

/* ---------- prose ---------- */
.prose { font-size: 1.02rem; line-height: 1.7; }
.prose p { margin: 0 0 .9rem; }
.prose strong { color: var(--navy); }
.prose ul { margin: 0 0 .9rem; padding-left: 1.25rem; }
.prose li { margin-bottom: .35rem; }
.prose li::marker { color: var(--brass); }
.prose .blockquote { font-size: .97rem; }

.blockquote, .statute {
  background: var(--surface2); border-left: 3px solid var(--brass);
  border-radius: 0 10px 10px 0; padding: 12px 14px; margin: 0 0 12px;
  font-family: var(--serif); white-space: pre-wrap;
}
.goal {
  background: var(--brass-bg); border: 1px solid color-mix(in srgb, var(--brass) 35%, transparent);
  border-radius: 12px; padding: 12px 14px; margin-bottom: 16px;
  font-family: var(--serif); color: var(--navy);
}
.section-h { display: flex; align-items: center; gap: 9px; margin: 20px 0 8px; }
.section-h .ic { font-size: 1.15rem; }
.section-h h3 { margin: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--brass); color: #fff; border: 1px solid var(--brass);
  padding: 11px 16px; border-radius: 11px; font-weight: 700; cursor: pointer;
}
:root[data-theme="dark"] .btn:not(.ghost) { color: #071624; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn:not(.ghost) { color: #071624; } }
.btn:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--border2); }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------- quiz ---------- */
.q { margin-bottom: 18px; }
.q .stem { font-weight: 600; margin-bottom: 10px; }
.opt {
  display: flex; gap: 10px; align-items: flex-start; width: 100%; text-align: left;
  background: var(--surface); border: 1.5px solid var(--border); border-radius: 11px;
  padding: 11px 13px; margin-bottom: 8px; cursor: pointer;
}
.opt:hover:not([disabled]) { border-color: var(--brass); }
.opt .mark { flex: none; font-weight: 700; width: 1.2em; color: var(--ink3); }
.opt.is-right { border-color: var(--ok); background: var(--ok-bg); }
.opt.is-wrong { border-color: var(--no); background: var(--no-bg); }
.opt.is-right .mark, .opt.is-wrong .mark { color: inherit; }
.why {
  border-radius: 10px; padding: 10px 12px; margin-top: 4px; font-size: .92rem;
  background: var(--surface2); border-left: 3px solid var(--border2);
}
.why.right { background: var(--ok-bg); border-left-color: var(--ok); }
.why.wrong { background: var(--no-bg); border-left-color: var(--no); }

/* ---------- flashcards ---------- */
.flash {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px 20px; min-height: 190px; display: grid; place-items: center;
  text-align: center; cursor: pointer; box-shadow: var(--shadow); margin-bottom: 14px;
}
.flash .front { font-family: var(--serif); font-size: 1.2rem; color: var(--navy); }
.flash .back { color: var(--ink2); margin-top: 12px; }

/* ---------- lock ---------- */
.locked { position: relative; }
.lockwrap {
  background: var(--surface2); border: 1px dashed var(--border2);
  border-radius: 14px; padding: 20px; text-align: center;
}
.fade-out {
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
  max-height: 260px; overflow: hidden;
}


/* ---------- the path rail ---------- */
.rail {
  display: flex; align-items: flex-start; gap: 0;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  padding: 4px 0 14px; margin-bottom: 4px;
  scrollbar-width: none;
}
.rail::-webkit-scrollbar { display: none; }
.rail-stop {
  flex: none; display: grid; justify-items: center; gap: 5px;
  width: 62px; color: var(--ink3); text-decoration: none;
}
.rail-stop:hover { text-decoration: none; }
.rail-dot {
  width: 34px; height: 34px; border-radius: 999px;
  display: grid; place-items: center;
  background: var(--surface); border: 1.5px solid var(--border2);
  font-size: .72rem; font-weight: 700; color: var(--ink2);
}
.rail-label { font-size: .64rem; font-weight: 600; text-align: center; line-height: 1.2; }
.rail-stop.done .rail-dot { background: var(--ok-bg); border-color: var(--ok); color: var(--ok); }
.rail-stop.done .rail-label { color: var(--ok); }
.rail-stop.shut .rail-dot { opacity: .5; }
.rail-stop.shut .rail-label { opacity: .6; }
.rail-stop.here .rail-dot {
  background: var(--brass); border-color: var(--brass); color: #fff;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brass) 22%, transparent);
}
:root[data-theme="dark"] .rail-stop.here .rail-dot { color: #071624; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .rail-stop.here .rail-dot { color: #071624; }
}
.rail-stop.here .rail-label { color: var(--brass); font-weight: 700; }
.rail-link {
  flex: none; height: 1.5px; width: 14px; margin-top: 17px;
  background: var(--border2); align-self: flex-start;
}

/* ---------- tab bar ---------- */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar a {
  display: grid; place-items: center; gap: 2px; padding: 8px 4px 9px;
  color: var(--ink3); font-size: .68rem; font-weight: 600; letter-spacing: .02em;
}
.tabbar a:hover { text-decoration: none; }
.tabbar a .ti { font-size: 1.25rem; line-height: 1; }
.tabbar a.on { color: var(--brass); }

/* ---------- misc ---------- */
.search {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 14px; font-size: 1rem; color: var(--ink);
}
.search::placeholder { color: var(--ink3); }
.grid2 { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.badge-rail { display: flex; flex-wrap: wrap; gap: 8px; }
.badge-chip {
  display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; font-weight: 600;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 11px;
}
.badge-chip.got { background: var(--brass-bg); border-color: var(--brass); color: var(--navy); }
.badge-chip.got .bi { filter: none; }
.badge-chip .bi { filter: grayscale(1); opacity: .45; }
.seg { display: flex; gap: 6px; overflow-x: auto; padding: 2px 0 10px; -webkit-overflow-scrolling: touch; }
.seg button {
  flex: none; background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 7px 13px; font-size: .88rem; font-weight: 600;
  color: var(--ink2); cursor: pointer;
}
.seg button.on { background: var(--brass); border-color: var(--brass); color: #fff; }
:root[data-theme="dark"] .seg button.on { color: #071624; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .seg button.on { color: #071624; } }
.empty { text-align: center; color: var(--ink3); padding: 32px 16px; }
.cert {
  border: 2px solid var(--brass); border-radius: 16px; padding: 26px 20px;
  text-align: center; background: var(--surface);
}
.cert .seal { font-size: 2.6rem; }
.cert .ctitle { font-family: var(--serif); font-size: 1.4rem; color: var(--navy); margin: 6px 0 2px; }
textarea.notes {
  width: 100%; min-height: 150px; background: var(--surface); color: var(--ink);
  border: 1px solid var(--border); border-radius: 12px; padding: 12px; resize: vertical;
}
.footnote { color: var(--ink3); font-size: .78rem; line-height: 1.5; margin-top: 28px; }
.reform-strip {
  background: var(--amber-bg); color: var(--amber);
  border-bottom: 1px solid color-mix(in srgb, var(--amber) 30%, transparent);
  font-size: .82rem; padding: 7px 0;
}
.reform-strip .wrap { display: flex; gap: 10px; align-items: center; }
.reform-strip button { background: none; border: 0; color: inherit; cursor: pointer; opacity: .7; font-size: 1rem; }

@media (min-width: 860px) {
  body { padding-bottom: 0; }
  .tabbar {
    position: sticky; top: 0; bottom: auto;
    grid-template-columns: repeat(4, auto); justify-content: center; gap: 4px;
    border-top: 0; border-bottom: 1px solid var(--border);
  }
  .tabbar a { grid-auto-flow: column; padding: 12px 18px; font-size: .82rem; }
  h1 { font-size: 2.1rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }