/* WHAT YEAR?? - Session 2 core loop styles. Mobile-first, clean, legible. */

:root {
  --bg: #f4f1ea;
  --card: #ffffff;
  --ink: #1d2333;
  --muted: #6b7280;
  --line: #e4e0d6;
  --accent: #2f6f4f;      /* deep green */
  --accent-ink: #ffffff;
  --early: #c2673b;       /* too early (aim later)  */
  --late: #3b74c2;        /* too late  (aim earlier)*/
  --warm: #d9a441;        /* right decade */
  --win: #2f8f57;
  --lock: #9aa0ab;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(29, 35, 51, .06), 0 1px 3px rgba(29, 35, 51, .08);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; } /* ensure the HTML hidden attribute wins over element display rules */

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 30rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
  position: relative;
}

/* How to play */
.help-btn {
  position: absolute;
  top: 1.1rem; right: 1rem;
  width: 2rem; height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-weight: 800; font-size: 1rem; line-height: 1;
  cursor: pointer;
}
.help-btn:hover { color: var(--ink); }
.help-modal {
  border: 0;
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  max-width: 22rem;
  width: calc(100% - 2rem);
  color: var(--ink);
  background: var(--card);
  box-shadow: 0 12px 44px rgba(20, 24, 35, .28);
}
.help-modal::backdrop { background: rgba(20, 24, 35, .45); }
.help-modal h2 { margin: 0 0 .7rem; font-size: 1.25rem; }
.help-modal ul { margin: 0 0 1.1rem; padding-left: 1.15rem; display: flex; flex-direction: column; gap: .55rem; }
.help-modal li { font-size: .95rem; line-height: 1.45; }
.help-modal .copy-btn { width: 100%; }

/* Masthead */
.masthead { text-align: center; margin: .5rem 0 1.25rem; }
.logo {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0;
}
.logo .q { color: var(--accent); }
.tagline { color: var(--muted); margin: .35rem 0 0; font-size: .95rem; }
.puzznum { color: var(--lock); margin: .35rem 0 0; font-size: .78rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }

/* Clues */
.clues { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.1rem; }
.clue {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .85rem 1rem;
  box-shadow: var(--shadow);
  display: flex;
  gap: .7rem;
  align-items: flex-start;
}
.clue .n {
  flex: 0 0 auto;
  width: 1.6rem; height: 1.6rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: .85rem;
  display: grid; place-items: center;
}
.clue .body { flex: 1; }
.clue .kind {
  text-transform: uppercase;
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: .15rem;
}
.clue .text { font-size: 1rem; line-height: 1.4; }
.clue-fig { margin: .6rem 0 0; }
.clue-fig img {
  display: block;
  width: 100%;
  max-height: 15rem;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.clue-fig figcaption { font-size: .7rem; color: var(--muted); margin-top: .3rem; text-align: right; }

.clue.locked {
  background: transparent;
  border-style: dashed;
  box-shadow: none;
  align-items: center;
}
.clue.locked .n { background: var(--lock); }
.clue.locked .text { color: var(--lock); font-style: italic; }

/* Guess bar */
.guessbar {
  display: flex;
  gap: .5rem;
  align-items: stretch;
  margin-bottom: .5rem;
}
.era-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--card);
}
.era {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  padding: 0 .7rem;
  cursor: pointer;
  font-size: .95rem;
}
.era.is-active { background: var(--accent); color: var(--accent-ink); }

.year-input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .7rem .9rem;
  font-size: 1.15rem;
  font-weight: 600;
  background: var(--card);
  color: var(--ink);
}
.year-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
/* hide number spinners */
.year-input::-webkit-outer-spin-button,
.year-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.year-input[type=number] { -moz-appearance: textfield; }

.guess-btn {
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 1rem;
  padding: 0 1.1rem;
  border-radius: 10px;
  cursor: pointer;
}
.guess-btn:disabled { opacity: .45; cursor: default; }

.hint {
  min-height: 1.2rem;
  margin: .1rem 0 .8rem;
  font-size: .9rem;
  color: var(--early);
  font-weight: 600;
  text-align: center;
}

/* History */
.history { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.guess-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .55rem .85rem;
  box-shadow: var(--shadow);
}
.guess-row .yr { font-weight: 700; font-size: 1.05rem; }
.guess-row .fb { font-size: .9rem; font-weight: 600; display: flex; align-items: center; gap: .4rem; }
.guess-row.early .fb { color: var(--early); }
.guess-row.late  .fb { color: var(--late); }
.guess-row.win   { border-color: var(--win); background: #eaf6ef; }
.guess-row.win .fb { color: var(--win); }
.decade-tag {
  font-size: .68rem;
  font-weight: 700;
  color: #7a5b12;
  background: #fbf0d3;
  border: 1px solid #f0dca0;
  padding: .05rem .4rem;
  border-radius: 999px;
}

/* End screen */
.endscreen {
  margin-top: 1.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow);
  text-align: center;
}
.endscreen h2 { margin: 0 0 .2rem; font-size: 1.3rem; }
.endscreen .answer { font-size: 2rem; font-weight: 800; color: var(--accent); margin: .3rem 0 .8rem; }
.endscreen .reveals { text-align: left; display: flex; flex-direction: column; gap: .5rem; margin-top: .6rem; }
.endscreen .reveals li { list-style: none; font-size: .92rem; line-height: 1.4; padding-left: 1.4rem; position: relative; }
.endscreen .reveals li::before { content: attr(data-n); position: absolute; left: 0; font-weight: 800; color: var(--accent); }
.endscreen .placeholder { margin-top: 1rem; color: var(--muted); font-size: .85rem; font-style: italic; }

/* Share */
.share { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.share-grid { font-size: 1.7rem; line-height: 1.25; letter-spacing: .1rem; }
.share-clues { color: var(--muted); font-size: .85rem; font-weight: 600; margin: .35rem 0 .85rem; }
.copy-btn {
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 1rem;
  padding: .7rem 1.5rem;
  border-radius: 10px;
  cursor: pointer;
}
.copy-btn:active { transform: translateY(1px); }
.copy-note { display: block; margin-top: .55rem; min-height: 1.1rem; font-size: .85rem; font-weight: 600; color: var(--win); }

.foot { text-align: center; color: var(--muted); font-size: .82rem; margin-top: 1rem; }