:root {
  --bg: #12161f;
  --panel: #1b212d;
  --panel-2: #222a38;
  --line: #2a3340;
  --ink: #eceae3;
  --muted: #9aa2b1;
  --it: #d9a441;
  --de: #7e9b6a;
  --en: #b5657a;
  --fr: #5b84b1;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --accent: var(--ink);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(91,132,177,0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(217,164,65,0.06), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.5;
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 20px calc(40px + env(safe-area-inset-bottom));
}

/* Masthead ---------------------------------------------------------------- */
.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.mark {
  width: 18px; height: 18px; border-radius: 4px;
  background:
    linear-gradient(var(--it) 0 25%, transparent 25% 33%,
                    var(--fr) 33% 58%, transparent 58% 66%,
                    var(--de) 66% 91%, transparent 91% 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}
.brandtext {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.meta { text-align: right; font-family: var(--mono); font-size: 11.5px; line-height: 1.6; }
.date { display: block; color: var(--ink); letter-spacing: 0.02em; }
.streak { display: block; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

.lede {
  color: var(--muted);
  font-size: 15px;
  margin: 18px 0 26px;
  max-width: 52ch;
}

/* Entry cards ------------------------------------------------------------- */
#entries { display: flex; flex-direction: column; gap: 16px; }

.entry {
  position: relative;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 18px 18px 16px;
}
.entry-head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 8px;
}
.entry-head .lang { color: var(--accent); font-weight: 500; }
.entry-head .pos { color: var(--muted); text-transform: none; letter-spacing: 0.02em; }

.word {
  font-size: clamp(30px, 8vw, 40px);
  font-weight: 600;
  line-height: 1.05;
  margin: 2px 0 10px;
  letter-spacing: -0.01em;
}
.word::after {
  content: "";
  display: block;
  width: 44px; height: 2px;
  margin-top: 10px;
  background: var(--accent);
  opacity: 0.85;
}
.def { margin: 10px 0 0; font-size: 16.5px; }
.ex {
  margin: 10px 0 0;
  font-style: italic;
  color: #d7d4cb;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.tr {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.tr dt {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em;
  color: var(--muted); align-self: baseline; padding-top: 3px;
}
.tr dd { margin: 0; font-size: 15.5px; }

/* Action ------------------------------------------------------------------ */
.action { margin: 24px 0 8px; }
.btn {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 13px 18px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: translateY(1px); }
.btn.primary {
  width: 100%;
  background: var(--ink);
  color: #14181f;
  border-color: var(--ink);
  font-weight: 500;
}
.btn.primary.is-done {
  background: transparent;
  color: var(--de);
  border-color: var(--de);
}
.btn.primary:disabled { cursor: default; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { border-color: var(--muted); }
.statusline { color: var(--de); font-size: 14px; min-height: 1.2em; margin: 12px 2px 0; }

.settings-toggle { margin-top: 18px; }

/* Settings ---------------------------------------------------------------- */
.settings {
  margin-top: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 16px 18px;
}
.settings .row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 8px 0;
}
.settings label { font-size: 15px; }
.switch { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.switch input { width: 18px; height: 18px; accent-color: var(--fr); }
.select {
  font-family: var(--mono); font-size: 14px;
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 7px; padding: 8px 10px;
}
.hint { color: var(--muted); font-size: 12.5px; margin: 4px 2px 10px; max-width: 48ch; }

/* Footer ------------------------------------------------------------------ */
.foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px;
  margin-top: 30px; padding-top: 14px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--muted); text-transform: uppercase;
}

.loading, .error { color: var(--muted); font-style: italic; }
.error { color: var(--en); font-style: normal; }

/* A11y & motion ----------------------------------------------------------- */
:focus-visible { outline: 2px solid var(--fr); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}