/* Copyright (c) 2025 Pehr Jansson. All rights reserved. */

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #fff;
  color: #111;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100vh;
  max-height: 100vh;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 16px 24px;
}

/* ── Header ── */
header {
  text-align: center;
  border-bottom: 2px solid #ddd;
  width: 100%;
  max-width: 900px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  position: relative;
}

h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #111;
}

/* ── Subtitle ── */
#game-subtitle {
  font-size: 0.85rem;
  color: #888;
  margin-top: 4px;
  letter-spacing: 0.05em;
}

/* ── Score display ── */
#score {
  text-align: center;
  font-size: 0.9rem;
  color: #888;
  margin-top: 6px;
  letter-spacing: 0.05em;
}

#score-value {
  color: #111;
  font-weight: 700;
}

/* ── Final score ── */
#score.final {
  font-size: 1.1rem;
  color: #111;
  margin-top: 8px;
  letter-spacing: 0.08em;
  animation: pulse 1.5s ease infinite;
}

.final-value {
  color: #538d4e;
  font-size: 1.3rem;
  font-weight: 800;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ── Grid ── */
#grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
  padding: 4px 0 4px 0;
  overflow-x: scroll;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

/* ── Row wrapper ── */
.row-wrap {
  display: flex;
  flex-direction: row !important;
  align-items: center;
  flex-wrap: nowrap;
  gap: 10px;
}

.row {
  display: flex;
  flex-direction: row;
  gap: 6px;
  align-items: center;
}

/* ── Tiles ── */
:root {
  --tile-size: 52px;
  --tile-font: 1.1rem;
  --cipher-font: 0.75rem;
}

.tile {
  width: var(--tile-size);
  height: var(--tile-size);
  border: 2px solid #ccc;
  background: #fff;
  color: #111;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-transform: uppercase;
  user-select: none;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  line-height: 1.1;
  flex-shrink: 0;
}

/* Active tile */
.tile.active {
  border-color: #333;
  box-shadow: 0 0 0 2px #3334;
}

/* Same-cipher highlight */
.tile.same-cipher {
  border-color: #e07820;
  background: #fff3e0;
}

/* Locked correct tile */
.tile.correct {
  background: #538d4e;
  border-color: #538d4e;
  color: #fff;
}

/* Wrong tile */
.tile.wrong {
  background: #b03030;
  border-color: #b03030;
  color: #fff;
}

/* ── Cipher number inside tile ── */
.tile .cipher {
  font-size: var(--cipher-font);
  font-weight: 800;
  opacity: 0.75;
  line-height: 1;
}

/* ── Guessed letter inside tile ── */
.tile .letter {
  font-size: var(--tile-font);
  font-weight: 800;
  line-height: 1;
}

/* ── Hint letter ── */
.tile .hint {
  font-size: var(--tile-font);
  font-weight: 800;
  line-height: 1;
  opacity: 0.35;
}

/* ── GUESS button ── */
.guess-btn {
  height: 52px;
  padding: 0 16px;
  border: 2px solid #ccc;
  border-radius: 4px;
  background: #eee;
  color: #aaa;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: not-allowed;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.guess-btn:not(:disabled) {
  background: #538d4e;
  border-color: #538d4e;
  color: #fff;
  cursor: pointer;
}

.guess-btn:not(:disabled):hover {
  filter: brightness(1.1);
}

/* ── Pause, Reset and Mode buttons ── */
#pause-btn, #reset-btn, #mode-btn {
  margin-top: 8px;
  padding: 6px 20px;
  background: transparent;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: #888;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: border-color 0.2s, color 0.2s;
}

#pause-btn:hover, #reset-btn:hover, #mode-btn:hover {
  border-color: #333;
  color: #333;
}

/* ── Paused grid ── */
#grid.paused .tile {
  color: transparent !important;
  border-color: transparent !important;
  background: #eee !important;
  pointer-events: none;
}

#grid.paused .tile.correct {
  background: #c8e6c8 !important;
}

#grid.paused .tile.wrong {
  background: #f5c0c0 !important;
}

#grid.paused .guess-btn {
  visibility: hidden !important;
}

/* ── About button ── */
#about-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid #ccc;
  background: transparent;
  color: #888;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

#about-btn:hover {
  border-color: #333;
  color: #333;
}

/* ── About overlay ── */
#about-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #0004;
  z-index: 100;
  align-items: center;
  justify-content: center;
}

#about-modal {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  color: #000;
}

#about-modal h2 {
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  color: #000;
}

#about-modal h3 {
  font-size: 0.95rem;
  color: #2d6e28;
  margin: 20px 0 6px;
  letter-spacing: 0.05em;
}

#about-modal p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #222;
  margin-bottom: 8px;
}

#about-modal ul {
  padding-left: 20px;
  margin-bottom: 8px;
}

#about-modal li {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #222;
  margin-bottom: 4px;
}

#about-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  color: #888;
  font-size: 1rem;
  cursor: pointer;
}

#about-close:hover { color: #000; }

/* ── On-screen keyboard ── */
#keyboard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  user-select: none;
}

.kb-row {
  display: flex;
  gap: 5px;
}

.key {
  height: 52px;
  min-width: 36px;
  padding: 0 6px;
  border: none;
  border-radius: 4px;
  background: #bbb;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.key.wide { min-width: 56px; font-size: 0.72rem; }
.key:active { filter: brightness(0.85); }
.key.key-correct { background: #538d4e; }

/* ── Word space ── */
.word-space {
  width: 16px;
  flex-shrink: 0;
}

/* ── Punctuation marker ── */
.punct-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 500;
  color: #555;
  min-width: 10px;
  flex-shrink: 0;
  padding: 0 1px;
}

/* ── Revealed title/author at game over ── */
#game-subtitle.revealed {
  color: #538d4e;
  font-size: 1rem;
  font-weight: 600;
  animation: pulse 1.5s ease infinite;
}

/* ── Puzzle number button ── */
#puzzle-num-btn {
  margin-top: 8px;
  padding: 6px 20px;
  background: transparent;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: #888;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: border-color 0.2s, color 0.2s;
}

#puzzle-num-btn:hover {
  border-color: #333;
  color: #333;
}

/* ── Puzzle number shown at game over ── */
.puzzle-number {
  font-size: 0.85rem;
  color: #888;
  font-weight: 400;
  margin-left: 4px;
}

/* ── Puzzle number modal ── */
#puzzle-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #0004;
  z-index: 100;
  align-items: center;
  justify-content: center;
}

#puzzle-modal {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 32px;
  max-width: 320px;
  width: 90%;
  text-align: center;
}

#puzzle-modal h2 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #111;
}

#puzzle-modal p {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 16px;
}

#puzzle-input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1.2rem;
  text-align: center;
  margin-bottom: 16px;
  color: #111;
}

#puzzle-input.error {
  border-color: #b03030;
  background: #fff0f0;
}

#puzzle-modal-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}

#puzzle-modal-btns button {
  padding: 8px 24px;
  border-radius: 4px;
  border: 1px solid #ccc;
  background: transparent;
  color: #888;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
}

#puzzle-confirm-btn {
  background: #538d4e !important;
  border-color: #538d4e !important;
  color: #fff !important;
}

#puzzle-modal-btns button:hover {
  filter: brightness(0.9);
}

/* ── Version footer ── */
#version {
  position: fixed;
  bottom: 4px;
  right: 8px;
  font-size: 0.65rem;
  color: #ccc;
  pointer-events: none;
}

/* ── Random modal ── */
#random-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #0004;
  z-index: 100;
  align-items: center;
  justify-content: center;
}

#random-modal {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 28px;
  max-width: 280px;
  width: 90%;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#random-modal h2 {
  font-size: 1.1rem;
  color: #111;
  margin-bottom: 4px;
}

.random-option-btn {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #f5f5f5;
  color: #111;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.random-option-btn:hover {
  background: #e8e8e8;
}

#random-cancel-btn {
  padding: 8px;
  border: none;
  background: transparent;
  color: #888;
  font-size: 0.85rem;
  cursor: pointer;
}

/* ── Clear key (in keyboard, hidden until needed) ── */
#clear-btn {
  background: #d9534f !important;
  color: #fff !important;
}

#clear-btn:hover {
  filter: brightness(0.9);
}