/* Falaê — tropical modernist. Deep rainforest field, banana-yellow actions,
   the flag's diamond (losango) as the known-marker. */
:root {
  --field: #0a2318;          /* page background — the green of the flag, deepened */
  --field2: #0d2a1e;         /* header / sheets */
  --tile: #143726;           /* cards */
  --tile-hi: #1a4530;        /* hover / pressed */
  --line: #235240;
  --ink: #f4f1e4;            /* cream text */
  --ink-dim: #9cb8a8;
  --banana: #f6c945;         /* primary action + phonetics + known diamond */
  --banana-deep: #e0af1f;
  --sky: #6fb3e8;            /* listen / links */
  --coral: #e56a50;          /* not-yet / danger */
  --r: 16px;
  --tabbar-h: 60px;
  --display: "Futura", "Avenir Next", "Century Gothic", -apple-system, sans-serif;
  --body: "Avenir Next", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--field);
  color: var(--ink);
  font: 16px/1.45 var(--body);
}
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }
input, select { font: inherit; }
:focus-visible { outline: 2px solid var(--banana); outline-offset: 2px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- inline svg icons ---------- */
.ic { width: 1em; height: 1em; display: inline-block; vertical-align: -0.125em; flex-shrink: 0; }
.play .ic { width: 16px; height: 16px; vertical-align: 0; }
.play.sm .ic { width: 12px; height: 12px; }
#gear .ic { width: 20px; height: 20px; display: block; }
#tabbar .ico .ic { width: 20px; height: 20px; display: block; }
.jump .ic { width: 14px; height: 14px; margin-right: 3px; vertical-align: -2px; }
.sechead .tools button .ic { width: 12px; height: 12px; vertical-align: -1.5px; margin-right: 2px; }
.secic { color: var(--banana); align-self: center; display: flex; }
.secic .ic { width: 21px; height: 21px; }
#player .close .ic { width: 12px; height: 12px; display: block; margin: auto; }
.bigic .ic { width: 46px; height: 46px; color: var(--banana); }

/* ---------- diamond (losango) status marker ---------- */
.dia {
  width: 30px; height: 30px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px;
}
.dia::before {
  content: ""; width: 12px; height: 12px;
  transform: rotate(45deg);
  border: 2px solid var(--ink-dim);
  border-radius: 2px;
  transition: all .15s;
}
.dia:hover::before { border-color: var(--banana); }
.dia.on::before { background: var(--banana); border-color: var(--banana); }
.dia.big { width: 44px; height: 44px; }
.dia.big::before { width: 17px; height: 17px; }

/* ---------- layout ---------- */
#app { max-width: 1020px; margin: 0 auto; min-height: 100vh; }
#topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 20px 10px; position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--field) 90%, transparent);
  backdrop-filter: blur(10px);
}
.brand {
  font-family: var(--display);
  font-size: 21px; font-weight: 700; letter-spacing: 3px; cursor: pointer;
  color: var(--banana);
}
.brand em { font-style: normal; color: var(--ink); }
#desktopnav { display: flex; gap: 2px; margin-left: 8px; }
#desktopnav button, #tabbar button {
  font-family: var(--display); letter-spacing: 1.2px; text-transform: uppercase;
}
#desktopnav button {
  padding: 8px 15px; border-radius: 10px; color: var(--ink-dim);
  font-size: 13px; font-weight: 600;
}
#desktopnav button:hover { color: var(--ink); background: var(--tile); }
#desktopnav button.active { color: var(--field); background: var(--banana); }
#gear { margin-left: auto; font-size: 19px; opacity: .8; padding: 6px; }
#gear:hover { opacity: 1; }

main#view { padding: 20px 20px calc(var(--tabbar-h) + 110px); }

#tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  display: flex; justify-content: space-around;
  background: color-mix(in srgb, var(--field2) 94%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
}
#tabbar button {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-size: 10px; font-weight: 600; color: var(--ink-dim); padding-top: 9px;
}
#tabbar button .ico { font-size: 19px; }
#tabbar button.active { color: var(--banana); }

@media (min-width: 760px) {
  #tabbar { display: none; }
  main#view { padding-bottom: 130px; }
}
@media (max-width: 759px) {
  #desktopnav { display: none; }
  #topbar { gap: 10px; }
}

/* ---------- shared ---------- */
h1 { font-family: var(--display); font-size: 26px; letter-spacing: .5px; margin: 4px 0 6px; }
.sub { color: var(--ink-dim); font-size: 14px; margin: 0 0 18px; }
.muted { color: var(--ink-dim); }
.small { font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; }
.grow { flex: 1; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--tile-hi); border: 1px solid var(--line); border-radius: 12px;
  padding: 11px 18px; font-weight: 600; transition: transform .06s;
}
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--banana); border-color: var(--banana); color: var(--field); font-weight: 700; }
.btn.primary:hover { background: var(--banana-deep); }
.btn.big { width: 100%; padding: 15px; font-size: 16px; }
.btn.ghost { background: none; border-color: transparent; }
.btn.danger { color: var(--coral); }

.back { color: var(--ink-dim); font-weight: 600; padding: 4px 0; margin-bottom: 10px; display: inline-flex; gap: 6px; }
.back:hover { color: var(--ink); }

.play {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: var(--tile-hi); border: 1px solid var(--line);
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px;
}
.play:active, .play.playing { background: var(--banana); border-color: var(--banana); color: var(--field); }
.play.sm { width: 28px; height: 28px; font-size: 10px; }

.note {
  background: var(--tile); border-left: 3px solid var(--banana); border-radius: 10px;
  padding: 11px 14px; font-size: 14px; margin: 12px 0;
}

/* ---------- learn toolbar ---------- */
#toolbar {
  position: sticky; top: 52px; z-index: 25;
  background: color-mix(in srgb, var(--field) 92%, transparent);
  backdrop-filter: blur(10px);
  margin: -6px -20px 8px; padding: 14px 20px 10px;
}
#searchrow { display: flex; gap: 8px; align-items: center; }
#search {
  flex: 1; background: var(--tile); border: 1px solid var(--line); border-radius: 12px;
  color: var(--ink); padding: 10px 14px; font-size: 15px; outline: none; min-width: 0;
}
#search::placeholder { color: var(--ink-dim); }
#search:focus { border-color: var(--banana); }
.chips { display: flex; gap: 6px; }
.chip {
  padding: 9px 14px; border-radius: 99px; border: 1px solid var(--line);
  font-size: 13px; font-weight: 600; color: var(--ink-dim); white-space: nowrap;
  background: var(--tile);
}
.chip.on { background: var(--banana); border-color: var(--banana); color: var(--field); }

#fstate {
  background: var(--tile) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%239cb8a8' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center;
  border: 1px solid var(--line); border-radius: 12px;
  color: var(--ink); padding: 10px 34px 10px 14px; font-size: 15px; font-weight: 600;
  outline: none; cursor: pointer;
  -webkit-appearance: none; appearance: none;
}
#fstate:focus { border-color: var(--banana); }
#jumprow {
  display: flex; gap: 6px; overflow-x: auto; margin-top: 8px; padding-bottom: 2px;
  scrollbar-width: none;
}
#jumprow::-webkit-scrollbar { display: none; }
.jump {
  padding: 6px 12px; border-radius: 99px; background: var(--tile);
  font-size: 13px; white-space: nowrap; color: var(--ink-dim); border: 1px solid transparent;
}
.jump:hover { color: var(--ink); border-color: var(--line); }

.progressline { display: flex; align-items: center; gap: 12px; margin: 4px 0 14px; }
.bar { flex: 1; height: 7px; background: var(--tile); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--banana); border-radius: 99px; transition: width .3s; }
.progressline .pct { font-family: var(--display); font-weight: 700; color: var(--banana); font-size: 15px; letter-spacing: 1px; }

/* ---------- sections & grid ---------- */
.sec { margin: 26px 0 10px; scroll-margin-top: 170px; }
.sechead {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px;
  position: relative;
}
.sechead h2 {
  font-family: var(--display); font-size: 17px; letter-spacing: 1.5px; text-transform: uppercase;
  margin: 0;
}
.sechead .cnt { color: var(--ink-dim); font-size: 13px; }
.sechead .tools { margin-left: auto; display: flex; gap: 6px; align-self: center; }
.sechead .tools button {
  font-size: 12px; font-weight: 600; color: var(--ink-dim);
  padding: 6px 11px; border-radius: 99px; border: 1px solid var(--line);
}
.sechead .tools button:hover { color: var(--ink); border-color: var(--ink-dim); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(158px, 1fr)); gap: 9px; }
.grid.wide { grid-template-columns: repeat(auto-fill, minmax(235px, 1fr)); }

.tile {
  position: relative;
  background: var(--tile); border: 1px solid var(--line); border-radius: var(--r);
  padding: 13px 13px 12px; cursor: pointer; text-align: left;
  transition: background .12s, transform .06s, border-color .12s;
  display: flex; flex-direction: column; gap: 2px; min-height: 86px;
}
.tile:hover { background: var(--tile-hi); }
.tile:active { transform: scale(.97); }
.tile.now { border-color: var(--banana); }
.tile .pt { font-weight: 700; font-size: 16.5px; padding-right: 26px; }
.tile .ph { color: var(--banana); font-size: 11.5px; letter-spacing: .3px; }
.tile .en { color: var(--ink-dim); font-size: 13px; margin-top: auto; padding-top: 4px; }
.tile .dia { position: absolute; top: 6px; right: 6px; }
.tile.known { background: color-mix(in srgb, var(--banana) 7%, var(--tile)); }
.tile.known .pt { color: color-mix(in srgb, var(--ink) 72%, var(--field)); }

.empty { color: var(--ink-dim); text-align: center; padding: 40px 10px; }

/* ---------- player bar ---------- */
#player {
  position: fixed; left: 50%; transform: translateX(-50%) translateY(20px);
  bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 10px);
  width: min(660px, calc(100% - 24px));
  background: var(--field2); border: 1px solid var(--line); border-radius: 18px;
  padding: 12px 14px; z-index: 40;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .45);
  opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s;
}
#player.show { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
@media (min-width: 760px) { #player { bottom: 16px; } }
#player .top { display: flex; align-items: center; gap: 12px; }
#player .pt { font-weight: 700; font-size: 18px; }
#player .ph { color: var(--banana); font-size: 13px; margin-left: 8px; }
#player .en { color: var(--ink-dim); font-size: 14px; }
#player .txt { flex: 1; min-width: 0; }
#player .ex {
  margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-dim); display: flex; align-items: center; gap: 8px;
}
#player .ex .expt { color: var(--ink); }
#player .close { position: absolute; top: -9px; right: -6px; width: 26px; height: 26px;
  border-radius: 50%; background: var(--tile-hi); border: 1px solid var(--line); font-size: 11px; }

/* ---------- learn guide ---------- */
.guide {
  background: var(--tile); border: 1px solid var(--line); border-radius: var(--r);
  padding: 12px 16px; margin-bottom: 14px; font-size: 14px;
}
.guide summary {
  cursor: pointer; font-family: var(--display); font-weight: 600; letter-spacing: .8px;
  color: var(--banana); list-style: none; display: flex; align-items: center; gap: 8px;
}
.guide summary::-webkit-details-marker { display: none; }
.guide summary::after { content: "+"; margin-left: auto; color: var(--ink-dim); font-size: 17px; }
.guide[open] summary::after { content: "–"; }
.guide ol { margin: 10px 0 4px; padding-left: 20px; display: grid; gap: 8px; color: var(--ink); }
.guide a { color: var(--banana); }
.guide .ic { width: 15px; height: 15px; }

.rulenum {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 7px; background: var(--banana); color: var(--field);
  font-size: 13px; font-weight: 700; vertical-align: -4px; margin-right: 4px;
}

/* ---------- sounds ---------- */
.rulecard {
  background: var(--tile); border: 1px solid var(--line); border-radius: var(--r);
  padding: 18px; margin-bottom: 14px;
}
.rulecard h2 { font-family: var(--display); font-size: 17px; letter-spacing: .5px; margin: 0 0 8px; }
.exrow { display: flex; align-items: center; gap: 11px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.exrow:last-child { border-bottom: none; }
.exrow .pt { font-weight: 700; }
.exrow .ph { color: var(--banana); font-size: 12.5px; }
.exrow .en { color: var(--ink-dim); font-size: 13px; }
.exrow .txt { flex: 1; cursor: pointer; }
.pair { display: flex; gap: 10px; align-items: stretch; margin: 10px 0 2px; }
.pair > button { flex: 1; background: var(--field); border: 1px solid var(--line); border-radius: 12px; padding: 10px; text-align: center; }
.pair > button:hover { border-color: var(--banana); }
.pair .pt { font-weight: 800; }
.pair .ph { color: var(--banana); font-size: 12px; }
.pair .en { color: var(--ink-dim); font-size: 12px; }
.pair .vs { align-self: center; color: var(--ink-dim); font-family: var(--display); font-size: 11px; letter-spacing: 1px; }

/* ---------- verbs ---------- */
.conjtable { width: 100%; border-collapse: collapse; margin: 4px 0; }
.conjtable td { padding: 8px; border-bottom: 1px solid var(--line); font-size: 15px; }
.conjtable tr:last-child td { border-bottom: none; }
.conjtable td:first-child { color: var(--ink-dim); width: 38%; }
.conjtable td b { color: var(--ink); }
.conjtable tr.hl td { background: var(--tile-hi); }
.tenseblock { background: var(--tile); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; margin-bottom: 12px; }
.tenseblock h3 {
  font-family: var(--display); margin: 2px 0 6px; font-size: 13px; color: var(--banana);
  text-transform: uppercase; letter-spacing: 1.5px;
}
.tenseblock h3 .muted { text-transform: none; letter-spacing: 0; font-family: var(--body); font-weight: 400; }

/* ---------- practice ---------- */
#practice { max-width: 560px; margin: 0 auto; }
.scopebox { background: var(--tile); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; margin-bottom: 14px; }
.scopebox .lbl { font-family: var(--display); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 8px; }
.chips.wrap { flex-wrap: wrap; }
.ptop { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.pbar { flex: 1; height: 6px; background: var(--tile); border-radius: 99px; overflow: hidden; }
.pbar i { display: block; height: 100%; background: var(--banana); transition: width .2s; }
.qcard {
  background: var(--tile); border: 1px solid var(--line); border-radius: 20px;
  padding: 30px 22px; text-align: center; min-height: 250px;
  display: flex; flex-direction: column; justify-content: center; gap: 8px;
}
.qcard .mode { font-family: var(--display); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--ink-dim); }
.qcard .big { font-size: 29px; font-weight: 800; line-height: 1.2; }
.qcard .mid { font-size: 21px; font-weight: 700; }
.qcard .ph { color: var(--banana); font-size: 15px; }
.qcard .en { color: var(--ink-dim); font-size: 17px; }
.qcard .exline { color: var(--ink-dim); font-style: italic; font-size: 14px; margin-top: 6px; }
.verdict { display: flex; gap: 10px; margin-top: 16px; }
.verdict button {
  flex: 1; padding: 15px 6px; border-radius: 14px; font-weight: 700; font-size: 15px;
  border: 1px solid var(--line); background: var(--tile);
}
.verdict .yes { color: var(--field); background: var(--banana); border-color: var(--banana); }
.verdict .no { color: var(--coral); }
.verdict button span { display: block; font-size: 11px; font-weight: 500; color: color-mix(in srgb, currentColor 65%, transparent); margin-top: 2px; }
.reveal-btn { width: 100%; margin-top: 16px; }
.done-screen { text-align: center; padding: 40px 10px; }
.done-screen .big-emoji { font-size: 58px; }

/* ---------- settings sheet ---------- */
#backdrop {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .5); z-index: 50;
  opacity: 0; pointer-events: none; transition: opacity .18s;
}
#backdrop.show { opacity: 1; pointer-events: auto; }
#sheet {
  position: fixed; left: 50%; bottom: 0; transform: translateX(-50%) translateY(105%);
  width: min(520px, 100%); z-index: 51;
  background: var(--field2); border: 1px solid var(--line);
  border-radius: 22px 22px 0 0; padding: 20px 20px calc(20px + env(safe-area-inset-bottom));
  transition: transform .22s;
}
#sheet.show { transform: translateX(-50%) translateY(0); }
@media (min-width: 760px) {
  #sheet { bottom: auto; top: 50%; border-radius: 22px; transform: translate(-50%, -46%) scale(.97); opacity: 0; transition: opacity .15s, transform .15s; pointer-events: none; }
  #sheet.show { transform: translate(-50%, -50%) scale(1); opacity: 1; pointer-events: auto; }
}
#sheet h2 { font-family: var(--display); letter-spacing: 1px; margin: 0 0 4px; font-size: 18px; }

/* ---------- chat bubbles (dialogues + conversa) ---------- */
.chatlog {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--tile); border: 1px solid var(--line); border-radius: var(--r);
  padding: 16px;
}
.chatlog.tall { height: min(52vh, 460px); overflow-y: auto; }
.bub {
  max-width: 82%; padding: 10px 14px; border-radius: 16px; cursor: pointer;
  position: relative;
}
.bub.them { align-self: flex-start; background: var(--field2); border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.bub.me { align-self: flex-end; background: color-mix(in srgb, var(--banana) 16%, var(--field2)); border: 1px solid color-mix(in srgb, var(--banana) 35%, var(--line)); border-bottom-right-radius: 5px; }
.bub .pt { font-weight: 600; font-size: 15.5px; }
.bub .en { color: var(--ink-dim); font-size: 12.5px; margin-top: 2px; }
.bub.now { border-color: var(--banana); }
.bub.hidden-line { border-style: dashed; cursor: default; }
.bub .big-en { font-size: 15px; color: var(--ink); font-style: italic; margin-top: 2px; }
.bub .fix { color: var(--banana); font-size: 12.5px; margin-bottom: 4px; }
.bub .play.sm { position: static; margin-top: 6px; }
.bub.typing { display: flex; gap: 5px; padding: 14px 16px; }
.bub.typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ink-dim);
  animation: blink 1.2s infinite;
}
.bub.typing span:nth-child(2) { animation-delay: .2s; }
.bub.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 70%, 100% { opacity: .25; } 35% { opacity: 1; } }

#chatBar input {
  flex: 1; background: var(--tile); border: 1px solid var(--line); border-radius: 12px;
  color: var(--ink); padding: 12px 14px; font-size: 16px; outline: none; min-width: 0;
}
#chatBar input:focus { border-color: var(--banana); }
.btn.listening { border-color: var(--coral); color: var(--coral); animation: blink 1.2s infinite; }

/* ---------- say-it rows ---------- */
.card-list { background: var(--tile); border: 1px solid var(--line); border-radius: var(--r); padding: 4px 16px; }
.krow { border-bottom: 1px solid var(--line); padding: 12px 0; }
.krow:last-child { border-bottom: none; }
.krow-head { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.krow .ken { flex: 1; font-weight: 600; font-size: 15.5px; }
.krow .kpt { margin-top: 8px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.krow .kpt .pt { color: var(--banana); font-weight: 700; font-size: 15.5px; }
.krow .knote { width: 100%; color: var(--ink-dim); font-size: 12.5px; }

/* ---------- answer-it options ---------- */
.qaopts { display: flex; flex-direction: column; gap: 9px; margin-top: 16px; }
.qaopt {
  background: var(--field2); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; text-align: left; font-size: 15.5px;
}
.qaopt .pt { font-weight: 600; }
.qaopt .en { color: var(--ink-dim); font-size: 12.5px; display: block; margin-top: 2px; }
.qaopt:hover { border-color: var(--banana); }
.qaopt.good { border-color: var(--banana); background: color-mix(in srgb, var(--banana) 14%, var(--field2)); }
.qaopt.bad { border-color: var(--coral); color: var(--coral); }
.qaopt.dim { opacity: .45; }

.toast {
  position: fixed; bottom: calc(var(--tabbar-h) + 84px); left: 50%; transform: translateX(-50%);
  background: var(--field2); border: 1px solid var(--line); color: var(--ink);
  padding: 10px 18px; border-radius: 99px; font-size: 14px; font-weight: 600; z-index: 60;
  opacity: 0; transition: opacity .25s; pointer-events: none; white-space: nowrap;
}
.toast.show { opacity: 1; }