/* =====================================================================
   勇者 vs 小怪 —— 樣式
   Day 28:收尾。配色、間距、手機版。
   ===================================================================== */

:root {
  --bg:        #f4f1ea;
  --panel:     #ffffff;
  --ink:       #2b2b2b;
  --ink-soft:  #6b6b6b;
  --line:      #dcd7cc;
  --hero:      #4a8f4a;
  --enemy:     #a34242;
  --warn:      #e5ab22;
  --danger:    #d13b2e;
  --accent:    #2a6496;
  --hover:     #f0ece3;    /* 按鈕滑過/按下的底色。暗色模式會換掉,不能寫死 */
}

* { box-sizing: border-box; }

body {
  font-family: "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  margin: 0;
  padding: 24px 16px 40px;
  line-height: 1.6;
  overflow-x: hidden;      /* 震動幅度大時不要撐出水平捲軸 */
  transition: background-color 0.4s;
}

.game {
  max-width: 480px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  margin: 0 0 18px;
  font-size: 28px;
  letter-spacing: 2px;
}

/* ===== 遊戲說明 ===== */
#howto {
  background-color: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}

#howto summary {
  cursor: pointer;
  font-weight: bold;
  color: var(--accent);
}

#howto ul {
  margin: 10px 0 4px;
  padding-left: 20px;
  line-height: 1.9;
  color: #444;
}

/* ===== 開場區 ===== */
#setup {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}

input[type="text"] {
  flex: 1;
  max-width: 260px;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background-color: var(--panel);
  /* 背景和文字顏色一定要成對設定。
     只改背景的話,文字會沿用瀏覽器預設的黑色 —— 換成深色底就整個看不見 */
  color: var(--ink);
}

input[type="text"]::placeholder {
  color: var(--ink-soft);
}

input[type="text"]:disabled {
  opacity: 0.6;
}

input[type="text"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  padding: 10px 18px;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background-color: var(--panel);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.15s, transform 0.08s;
  white-space: nowrap;
}

button:hover:not(:disabled):not(.busy) { background-color: var(--hover); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { color: #b5b5b5; cursor: not-allowed; }

button.busy {
  opacity: 0.5;
  cursor: progress;
}

/* ===== 戰鬥區 ===== */
#battle {
  background-color: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px 10px;
  margin-bottom: 12px;
}

.turn {
  text-align: center;
  color: var(--ink-soft);
  letter-spacing: 3px;
  font-size: 13px;
  margin: 0 0 12px;
}

.fighter { margin-bottom: 10px; }

.fighter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 5px;
  gap: 8px;
}

.fighter-name {
  font-weight: bold;
  word-break: break-all;     /* 名字很長時不要把版面撐開 */
}

.fighter-hp {
  font-size: 14px;
  color: var(--ink-soft);
  display: inline-block;     /* transform 對 inline 元素無效 */
  white-space: nowrap;
}

.hp-bar {
  height: 16px;
  background-color: #e6e1d8;
  border-radius: 8px;
  overflow: hidden;
}

.hp-fill {
  height: 100%;
  width: 100%;
  transition: width 0.3s;
}

.hp-fill.hero   { background-color: var(--hero); }
.hp-fill.enemy  { background-color: var(--enemy); }
.hp-fill.warn   { background-color: var(--warn); }
.hp-fill.danger { background-color: var(--danger); }

.vs {
  text-align: center;
  color: #b8b2a6;
  font-size: 12px;
  letter-spacing: 4px;
  margin: 8px 0;
}

/* ===== 增益標籤 ===== */
.buff-row {
  margin-top: 5px;
  min-height: 22px;          /* 固定高度,有沒有 buff 版面都不會跳 */
}

.buff-chip {
  display: inline-block;
  font-size: 12px;
  padding: 2px 9px;
  margin: 0 4px 3px 0;
  border-radius: 11px;
  border: 1px solid;
}

.buff-chip.good {
  background-color: #eaf6ea;
  border-color: var(--hero);
  color: #1a6b1a;
}

.buff-chip.bad {
  background-color: #fbeaea;
  border-color: var(--enemy);
  color: #8c2020;
}

/* ===== 受擊效果 ===== */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  15%      { transform: translateX(-20px); }
  30%      { transform: translateX(16px); }
  45%      { transform: translateX(-12px); }
  60%      { transform: translateX(8px); }
  75%      { transform: translateX(-4px); }
}

.fighter.shake { animation: shake 0.35s ease-in-out; }

@keyframes hpFlash {
  0%   { color: var(--danger); transform: scale(1.4); }
  100% { color: var(--ink-soft); transform: scale(1); }
}

.fighter-hp.flash { animation: hpFlash 0.45s ease-out; }

/* ===== 結果橫幅 ===== */
.result {
  text-align: center;
  padding: 14px;
  margin-bottom: 12px;
  border-radius: 8px;
  border: 2px solid;
  animation: resultIn 0.4s ease-out;
}

.result-title {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 3px;
}

.result-detail {
  font-size: 14px;
  margin-top: 4px;
}

.result.win  { background-color: #eaf6ea; border-color: var(--hero);  color: #1a6b1a; }
.result.lose { background-color: #fbeaea; border-color: var(--enemy); color: #8c2020; }

@keyframes resultIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== 戰鬥紀錄 ===== */
#log {
  height: 150px;
  overflow-y: auto;
  padding: 8px 12px;
  background-color: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid #b8b2a6;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.7;
}

.log-line {
  padding: 2px 0;
  border-bottom: 1px dashed #f0ece3;
  word-break: break-all;
}

.log-line:last-child { border-bottom: none; }

.log-turn {
  color: #b8b2a6;
  font-size: 12px;
  margin-right: 6px;
}

.log-line.result-win  { color: #1a7a1a; font-weight: bold; }
.log-line.result-lose { color: #c00000; font-weight: bold; }
.log-line.log-warning { color: #c00000; font-weight: bold; }
.log-line.dice-good   { color: #1a6b1a; }
.log-line.dice-bad    { color: #8c2020; }

/* ===== 控制列 ===== */
#controls {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 14px 0;
}

.record {
  text-align: center;
  color: var(--accent);
  font-weight: bold;
  margin: 0;
}

/* ===== 狀態樣式 ===== */
.dead { color: #9a9a9a; text-decoration: line-through; }

.revenge-btn {
  background-color: var(--danger);
  color: #ffffff;
  border-color: #8c2020;
}

.revenge-btn:hover:not(:disabled):not(.busy) { background-color: #b8342a; }

/* =====================================================================
   手機版:螢幕寬度 420px 以下
   實機測試發現三個問題:按鈕太小不好按、控制列會擠成兩行、紀錄佔太多高度
   ===================================================================== */
@media (max-width: 420px) {
  body { padding: 16px 12px 32px; }

  h1 { font-size: 23px; }

  #setup { flex-wrap: wrap; }

  input[type="text"] { max-width: none; }

  /* 三顆按鈕平均分配寬度,而且加高到手指好按的尺寸 */
  #controls button {
    flex: 1;
    padding: 12px 6px;
    font-size: 14px;
  }

  #log { height: 120px; font-size: 13px; }

  .result-title { font-size: 21px; }
}

/* =====================================================================
   🥚 魔王視角
   ===================================================================== */
body.boss-mode {
  --bg:        #17161c;
  --panel:     #232128;
  --ink:       #e8e4dc;
  --ink-soft:  #a09aa8;
  --line:      #3a3742;
  --hero:      #8b2d5c;     /* 玩家變成魔王:紫紅 */
  --enemy:     #3f7fa8;     /* 對手是勇者:冷藍 */
  --accent:    #b07cc6;
  --hover:     #2e2b35;     /* 暗色模式的按鈕底色。寫死淺色會整顆反白 */
}

body.boss-mode h1::after {
  content: " —— 逆位";
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 1px;
}

body.boss-mode .hp-bar { background-color: #2e2b35; }
body.boss-mode #howto ul { color: var(--ink-soft); }
body.boss-mode .buff-chip.good { background-color: #2a1c27; }
body.boss-mode .buff-chip.bad  { background-color: #1b252c; }
body.boss-mode .log-line { border-bottom-color: #2e2b35; }

/* 鬼火:螢光綠加上光暈,再讓它不規則地閃 */
.log-line.log-ghost {
  color: #6bff7a;
  letter-spacing: 3px;
  text-shadow:
    0 0 6px rgba(107, 255, 122, 0.9),
    0 0 14px rgba(107, 255, 122, 0.45);
  animation: ghostFlicker 2.6s infinite;
}

@keyframes ghostFlicker {
  0%, 100% { opacity: 1; }
  42%      { opacity: 0.45; }
  46%      { opacity: 0.95; }
  52%      { opacity: 0.35; }
  58%      { opacity: 0.9; }
}
body.boss-mode .result.win  { background-color: #2a1c27; }
body.boss-mode .result.lose { background-color: #1b252c; }

/* ===== 無障礙:尊重「減少動態效果」設定 ===== */
@media (prefers-reduced-motion: reduce) {
  .fighter.shake,
  .fighter-hp.flash,
  .hp-fill,
  .result,
  .log-line.log-ghost,
  button {
    animation: none;
    transition: none;
  }
}