/* ===== Tema oscuro (por defecto) — tonos verdes ===== */
:root,
[data-theme="dark"] {
  --bg: #0d1411;
  --bg-soft: #121d16;
  --card: #16231a;
  --card-2: #1f3325;
  --line: #2b4232;
  --text: #e8f1e9;
  --muted: #93b39d;
  --accent: #6aaa64;       /* verde tipo wordle */
  --accent-2: #4f9a4a;
  --warn: #c9b458;
  --danger: #e0544b;
  --input-bg: #0b140e;
  --btn-hover: #294035;
  --hint-text: #e7dca0;
  --danger-bg: rgba(224, 84, 75, 0.12);
  --danger-text: #ffd7d3;
  --me-bg: rgba(106, 170, 100, 0.16);
  --glow: #173a23;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* ===== Tema claro — tonos verdes ===== */
[data-theme="light"] {
  --bg: #eaf3e7;
  --bg-soft: #dde9d9;
  --card: #ffffff;
  --card-2: #e7f1e4;
  --line: #c8dcc4;
  --text: #19271d;
  --muted: #5a6f5e;
  --accent: #4e9a48;
  --accent-2: #3f8a3a;
  --warn: #a9851f;
  --danger: #c0392b;
  --input-bg: #f2f8f0;
  --btn-hover: #dbe9d6;
  --hint-text: #6b5a16;
  --danger-bg: rgba(192, 57, 43, 0.1);
  --danger-text: #7a2018;
  --me-bg: rgba(78, 154, 72, 0.16);
  --glow: #cfe6c8;
  --shadow: 0 10px 30px rgba(40, 70, 45, 0.15);
}

:root {
  --radius: 16px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(1200px 600px at 50% -10%, var(--glow) 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  transition: background-color 0.25s ease, color 0.25s ease;
}

#app {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 18px 60px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Iconos ---------- */
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  flex: none;
  stroke: currentColor;
}

/* ---------- Topbar ---------- */
.topbar { position: relative; text-align: center; margin-bottom: 18px; }
.logo {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: .04em;
  margin: 0;
  cursor: pointer;
  user-select: none;
}
.logo span { color: var(--accent); }
.tagline { color: var(--muted); margin: 4px 0 0; font-size: .95rem; }

.theme-toggle {
  position: absolute;
  right: 0;
  top: 4px;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease, border-color .15s ease;
}
.theme-toggle:hover { background: var(--btn-hover); border-color: var(--accent); }
.theme-toggle .icon { width: 20px; height: 20px; }

main#screen { flex: 1; }

/* ---------- Botones ---------- */
.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .06s ease, background .15s ease, border-color .15s ease;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:hover { background: var(--btn-hover); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent-2); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent); }
.btn.ghost { background: transparent; }
.btn.ghost:hover { background: var(--btn-hover); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:hover { filter: brightness(1.08); }
.btn.small { width: auto; padding: 9px 14px; font-size: .9rem; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-row .btn { width: auto; flex: 1; }

/* ---------- Menú ---------- */
.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 460px;
  margin: 6px auto 0;
  width: 100%;
}
.mode-tile {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: radial-gradient(135% 100% at 50% 0%, var(--card-2) 0%, var(--card) 60%);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.mode-tile:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .22);
}
.mode-tile:active { transform: translateY(-1px); }
.mode-ico {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin-bottom: 6px;
  border-radius: 20px;
  background: var(--input-bg);
  border: 1px solid var(--line);
  color: var(--accent);
}
.mode-ico .icon { width: 34px; height: 34px; }
.mode-name { font-size: 1.1rem; font-weight: 800; line-height: 1.15; }
.mode-sub { font-size: .82rem; color: var(--muted); }
.mode-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: .64rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
  background: var(--me-bg);
  padding: 3px 9px;
  border-radius: 999px;
}
.mode-tile.done .mode-ico { border-color: var(--accent); }
.mode-tile.disabled {
  cursor: default;
  opacity: .55;
  box-shadow: none;
}
.mode-tile.disabled:hover { transform: none; border-color: var(--line); box-shadow: none; }
.mode-tile.disabled .mode-ico { color: var(--warn); }

@media (max-width: 360px) {
  .mode-name { font-size: 1rem; }
  .mode-ico { width: 58px; height: 58px; }
  .mode-ico .icon { width: 30px; height: 30px; }
}

/* ---------- Cuenta atrás ---------- */
.countdown {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 52vh;
  text-align: center;
}
.cd-label {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .15em;
  margin: 0;
}
.cd-sub { color: var(--muted); margin: 6px 0 4px; font-size: 1.05rem; }
.cd-number {
  font-size: clamp(6rem, 32vw, 13rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text);
  animation: cdpop .9s cubic-bezier(.2, .8, .2, 1);
}
@keyframes cdpop {
  0% { transform: scale(.3); opacity: 0; }
  35% { transform: scale(1.12); opacity: 1; }
  100% { transform: scale(1); opacity: .92; }
}

/* ---------- HUD del juego ---------- */
.hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 16px;
}
.hud .stat { text-align: center; flex: 1; }
.hud .stat .label { display: block; font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.hud .stat .value { font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.hud .stat.fails .value { color: var(--danger); }

/* ---------- Progreso (puntos) ---------- */
.pips { display: flex; gap: 8px; justify-content: center; margin-bottom: 18px; }
.pip {
  width: 34px; height: 8px; border-radius: 999px;
  background: var(--line);
}
.pip.current { background: var(--warn); }
.pip.ok { background: var(--accent); }
.pip.bad { background: var(--danger); }

/* ---------- Tarjeta de palabra ---------- */
.word-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
  text-align: center;
}
.word-prompt { color: var(--muted); font-size: .9rem; margin: 0 0 8px; }
.misspelled {
  font-size: clamp(2rem, 9vw, 3.2rem);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--danger);
  word-break: break-word;
  margin: 4px 0 18px;
}

.answer-wrap { position: relative; }
.answer-input {
  width: 100%;
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  padding: 14px;
  border-radius: 12px;
  border: 2px solid var(--line);
  background: var(--input-bg);
  /* El texto va oculto (es type="password"); se ve a través de #answer-mirror.
     Así el teclado del móvil no muestra barra de predicciones. */
  color: transparent;
  caret-color: transparent;
  outline: none;
  transition: border-color .15s ease;
}
.answer-input:focus { border-color: var(--warn); }
.answer-input.shake { animation: shake .35s; border-color: var(--danger); }
.answer-input.correct { border-color: var(--accent); }
.answer-input::-ms-reveal, .answer-input::-ms-clear { display: none; }

/* Capa visible que refleja lo que se teclea en el campo (oculto) de arriba. */
.answer-mirror {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  padding: 0 16px;
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: .04em;
  color: var(--text);
  word-break: break-word;
}
.answer-mirror.placeholder {
  color: var(--muted);
  text-transform: none;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: normal;
}
.answer-mirror.correct { color: var(--accent); }
.answer-mirror .caret {
  display: inline-block;
  width: 2px;
  height: 1.4em;
  margin-left: 3px;
  background: var(--accent);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(4px); }
  30%, 50%, 70% { transform: translateX(-7px); }
  40%, 60% { transform: translateX(7px); }
}

.tools { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.tools .btn { flex: 1; }

.context-box, .hint-box {
  margin-top: 16px;
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  text-align: left;
  font-size: 1rem;
  line-height: 1.5;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.context-box .icon, .hint-box .icon { width: 1.1em; height: 1.1em; margin-top: .2em; color: var(--accent); }
.context-box .blank { color: var(--warn); font-weight: 700; letter-spacing: .15em; }
.hint-box { border-color: var(--warn); color: var(--hint-text); }
.hint-box .icon { color: var(--warn); }
.hidden { display: none !important; }

.feedback { margin-top: 14px; min-height: 24px; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 8px; }
.feedback.ok { color: var(--accent); }
.feedback.bad { color: var(--danger); }

/* ---------- Pantalla final ---------- */
.result-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
  text-align: center;
}
.result-card h2 { margin: 0 0 4px; font-size: 1.6rem; display: flex; align-items: center; justify-content: center; gap: 10px; }
.result-card h2 .icon { width: 1.1em; height: 1.1em; color: var(--accent); }
.result-stats { display: flex; justify-content: center; gap: 26px; margin: 18px 0; }
.result-stats .big { font-size: 2rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.result-stats .lbl { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }

.review { text-align: left; margin: 20px 0; display: grid; gap: 8px; max-height: 320px; overflow-y: auto; }
.review-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; font-size: .95rem;
}
.review-item .ico { display: inline-flex; }
.review-item .ico .icon { width: 1.1em; height: 1.1em; }
.review-item .ico.ok { color: var(--accent); }
.review-item .ico.bad { color: var(--warn); }
.review-item .wrong { color: var(--danger); text-decoration: line-through; }
.review-item .right { color: var(--accent); font-weight: 700; }
.review-item .arrow { color: var(--muted); display: inline-flex; }
.review-item .arrow .icon { width: 1em; height: 1em; }

.name-form { display: flex; gap: 10px; margin: 16px 0; align-items: center; }
.name-form input {
  flex: 1; padding: 12px 14px; border-radius: 10px;
  border: 2px solid var(--line); background: var(--input-bg); color: var(--text);
  font-size: 1rem; outline: none;
}
.name-form input:focus { border-color: var(--accent); }

/* ---------- Leaderboard ---------- */
.lb-title { text-align: center; margin: 18px 0 10px; }
.lb-note { font-size: .72em; font-weight: 400; color: var(--muted); }
table.leaderboard { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.leaderboard th, table.leaderboard td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--line); }
table.leaderboard th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
table.leaderboard td.num, table.leaderboard th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.leaderboard tr.me td { background: var(--me-bg); }
table.leaderboard .rank { font-weight: 800; color: var(--warn); width: 36px; }
table.leaderboard .rank .icon { width: 1.1em; height: 1.1em; vertical-align: -0.15em; }
.lb-empty { color: var(--muted); text-align: center; padding: 20px; }

/* ---------- Compartir ---------- */
.share {
  margin: 18px 0 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.share > p { margin: 0 0 10px; }
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btns .btn { flex: 1; min-width: 130px; }
.share-net { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.share-net .btn { flex: 1; min-width: 90px; }
.share-msg { min-height: 20px; margin-top: 10px; text-align: center; color: var(--accent); font-size: .9rem; font-weight: 600; }

.center { text-align: center; }
.muted { color: var(--muted); }
.spacer { height: 14px; }

.footer { text-align: center; color: var(--muted); font-size: .8rem; margin-top: 24px; }
.footer .icon { width: 1em; height: 1em; vertical-align: -0.15em; color: var(--danger); margin-right: 4px; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  animation: fadein 0.15s ease;
}
.modal {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 22px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  animation: modalpop 0.18s ease;
}
.modal-title { margin: 0 0 8px; font-size: 1.25rem; }
.modal-msg { margin: 0 0 20px; color: var(--muted); }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalpop {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.banner {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: var(--danger-text);
  padding: 14px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: .95rem;
}