/* =========================================================
   忍界对决 · PIXEL NINJA CLASH — 像素风样式
   纯 CSS，无框架；8bit 风格：硬边框、无圆角、按压位移
   ========================================================= */

:root {
  --bg-deep: #0b0817;
  --bg-panel: #171232;
  --bg-panel-2: #221a44;
  --border-dark: #05030d;
  --text: #efe8ff;
  --text-dim: #9a8fc0;
  --accent: #ff8c3b;      /* 查克拉橙 */
  --accent-2: #ffb35c;
  --blue: #4f8fd0;        /* 查克拉蓝 */
  --red: #e0503c;
  --green: #5fbf6e;
  --gold: #f2c94c;
  --sharingan: #e23b3b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 120%, #2a1b52 0%, transparent 60%),
    linear-gradient(180deg, #0b0817 0%, #14102b 100%);
}

.hidden { display: none !important; }

/* ============ 战斗舞台（16:9 定比盒子，居中） ============ */
#stage {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #1a1030;
  box-shadow: 0 0 0 4px var(--border-dark), 0 0 40px rgba(255, 140, 59, 0.15);
}

/* CRT 扫描线 */
#stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.08) 3px,
    rgba(0, 0, 0, 0) 4px
  );
}

/* ============ HUD（960x540 设计稿，JS 等比缩放） ============ */
#hud {
  position: absolute;
  left: 0;
  top: 0;
  width: 960px;
  height: 540px;
  transform-origin: 0 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  padding: 16px 22px;
  font-size: 14px;
}

.hud-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.fighter-info { display: flex; align-items: center; gap: 8px; width: 40%; }
.fighter-info.right { flex-direction: row-reverse; }

.portrait {
  width: 64px; height: 64px;
  border: 3px solid var(--border-dark);
  background: linear-gradient(180deg, #3b2b66, #241a45);
  box-shadow: 0 0 0 1px rgba(255,255,255,.12) inset;
  flex: none;
}
.portrait canvas { width: 100%; height: 100%; image-rendering: pixelated; }

.bars { flex: 1; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.fighter-info.right .bars { align-items: flex-end; }

.bar {
  position: relative;
  width: 100%; height: 16px;
  background: #0d0a1c;
  border: 2px solid var(--border-dark);
  overflow: hidden;
}
.bar .fill {
  height: 100%;
  width: 100%;
  transition: width 0.15s steps(6);
}
.bar.hp .fill { background: linear-gradient(180deg, #7ee08a, #3f9e4e); }
.bar.chakra { height: 9px; }
.bar.chakra .fill { background: linear-gradient(180deg, #6fc0f5, #2f6fc0); }
.bar.ult { height: 9px; }
.bar.ult .fill { background: linear-gradient(180deg, #ffd97a, #e08a1e); }

.bar .tag {
  position: absolute;
  top: 0; left: 5px;
  font-size: 10px;
  line-height: 16px;
  color: rgba(255,255,255,.85);
  text-shadow: 1px 1px 0 #000;
  font-weight: 700;
  letter-spacing: 1px;
}
.fighter-info.right .bar .tag { left: auto; right: 5px; }

/* 血量随危险程度闪烁 */
.bar.hp.danger .fill { animation: hp-blink 0.4s steps(2) infinite; }
@keyframes hp-blink { 50% { filter: brightness(1.8); } }

.timer-box { text-align: center; flex: none; }
#battle-timer {
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
  color: #fff;
  text-shadow: 3px 3px 0 var(--border-dark), 0 0 14px rgba(255,180,80,.5);
  font-variant-numeric: tabular-nums;
}
.timer-label { font-size: 10px; color: var(--text-dim); letter-spacing: 3px; }
#battle-timer.urgent { color: var(--red); animation: urgent 0.5s steps(2) infinite; }
@keyframes urgent { 50% { transform: scale(1.12); } }

/* 技能栏 */
.skill-bar {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 5px;
  pointer-events: none;
}
.skill {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 7px;
  background: rgba(13, 10, 28, 0.82);
  border: 2px solid var(--border-dark);
  font-size: 11px;
  overflow: hidden;
}
.skill .key {
  background: var(--accent);
  color: #1a0d00;
  font-weight: 900;
  padding: 1px 5px;
  font-size: 10px;
}
.skill .name { color: var(--text-dim); }
.skill.ready .name { color: var(--gold); }
.skill .cd {
  position: absolute;
  left: 0; bottom: 0;
  height: 3px;
  background: var(--blue);
  width: 0%;
}
.skill.ult.ready { animation: ult-glow 0.8s steps(2) infinite; }
.skill.ult.ready .key { background: var(--gold); }
@keyframes ult-glow { 50% { box-shadow: 0 0 10px var(--gold); } }

/* 连击 */
#combo-box {
  position: absolute;
  left: 15%; top: 36%;
  text-align: center;
  transform: rotate(-6deg);
}
#combo-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--gold);
  text-shadow: 3px 3px 0 var(--border-dark), 0 0 16px rgba(242,201,76,.6);
  font-variant-numeric: tabular-nums;
}
.combo-label { font-size: 16px; color: #fff; text-shadow: 1px 1px 0 #000; margin-left: 6px; }
#combo-box.pop { animation: combo-pop 0.18s steps(3); }
@keyframes combo-pop { 50% { transform: rotate(-6deg) scale(1.25); } }

/* 中央横幅 */
#banner {
  position: absolute;
  left: 50%; top: 42%;
  transform: translate(-50%, -50%);
  font-size: 60px;
  font-weight: 900;
  letter-spacing: 8px;
  color: #fff;
  text-shadow:
    4px 4px 0 var(--border-dark),
    0 0 28px rgba(255, 140, 59, 0.9);
  white-space: nowrap;
}
#banner.show { animation: banner-in 0.3s steps(4); }
@keyframes banner-in { from { transform: translate(-50%,-50%) scale(2.4); opacity: 0; } }

/* ============ 触屏按键（960x540 设计稿，JS 等比缩放） ============ */
#touch {
  position: absolute;
  left: 0;
  top: 0;
  width: 960px;
  height: 540px;
  transform-origin: 0 0;
  pointer-events: none;
}
.touch-left {
  position: absolute;
  left: 22px;
  bottom: 22px;
  display: flex;
  gap: 10px;
}
.touch-right {
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: grid;
  grid-template-columns: repeat(3, 72px);
  gap: 10px;
}
.tbtn {
  pointer-events: auto;
  width: 72px; height: 72px;
  border: 3px solid var(--border-dark);
  background: rgba(35, 26, 68, 0.85);
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  font-family: inherit;
  box-shadow: 0 5px 0 var(--border-dark);
  touch-action: none;
}
.tbtn:active, .tbtn.on {
  transform: translateY(5px);
  box-shadow: none;
  background: var(--accent);
  color: #1a0d00;
}
.tbtn.atk { background: rgba(224, 80, 60, 0.85); }
.tbtn.sk1 { background: rgba(79, 143, 208, 0.85); }
.tbtn.sk2 { background: rgba(95, 191, 110, 0.85); }
.tbtn.ult { background: rgba(242, 201, 76, 0.85); color: #1a0d00; }
.tbtn.sub { background: rgba(154, 143, 192, 0.85); }

/* ============ 界面层 ============ */
#ui { position: absolute; inset: 0; pointer-events: none; }
#ui .screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  pointer-events: auto;
  padding: 20px;
  overflow-y: auto;
}

/* 标题 */
.menu-logo { text-align: center; margin-bottom: 8px; }
.game-title {
  font-size: clamp(44px, 9vw, 84px);
  font-weight: 900;
  letter-spacing: 10px;
  color: var(--accent);
  text-shadow:
    4px 4px 0 var(--border-dark),
    0 0 30px rgba(255, 140, 59, 0.55);
  animation: title-float 3s ease-in-out infinite;
}
@keyframes title-float { 50% { transform: translateY(-6px); } }
.game-subtitle {
  margin-top: 6px;
  font-size: clamp(12px, 2vw, 16px);
  letter-spacing: 6px;
  color: var(--text-dim);
}

/* 菜单三按钮：竖排 + 等宽等高 */
.menu-buttons { display: flex; flex-direction: column; gap: 16px; }

.btn {
  font-family: inherit;
  cursor: pointer;
  border: 3px solid var(--border-dark);
  color: var(--text);
  box-shadow: 0 5px 0 var(--border-dark);
  transition: transform 0.06s, box-shadow 0.06s, filter 0.1s;
}
.btn:hover { filter: brightness(1.15); }
.btn:active {
  transform: translateY(5px);
  box-shadow: none;
}

/* 三个主按钮：大小一致、竖排 */
.btn-main {
  width: 300px;
  height: 72px;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 8px;
  background: linear-gradient(180deg, var(--bg-panel-2), var(--bg-panel));
}
#btn-battle { color: #ffcf9a; }
#btn-rank { color: #9ec7f5; }
#btn-online { color: #b8f0c0; }
.btn-main::before {
  content: "◆";
  margin-right: 10px;
  font-size: 14px;
  color: var(--accent);
}

.menu-tip { font-size: 12px; color: var(--text-dim); letter-spacing: 1px; }

/* 通用标题 */
.screen-title {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 900;
  letter-spacing: 8px;
  color: #fff;
  text-shadow: 3px 3px 0 var(--border-dark);
}
.screen-desc { color: var(--text-dim); letter-spacing: 2px; margin-top: -10px; }

/* 返回按钮 */
.btn-back {
  width: 140px; height: 44px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 4px;
  background: linear-gradient(180deg, #3a2f66, #241c4a);
}

/* 出战/开始按钮 */
.btn-start {
  width: 220px; height: 60px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 6px;
  background: linear-gradient(180deg, #ff9d4d, #e06a1e);
  color: #1a0d00;
  text-shadow: 0 1px 0 rgba(255,255,255,.4);
}

/* 难度按钮：三个等大 */
.mode-buttons { display: flex; flex-direction: column; gap: 14px; }
.btn-mode {
  width: 340px; height: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: linear-gradient(180deg, var(--bg-panel-2), var(--bg-panel));
}
.btn-mode b { font-size: 22px; letter-spacing: 6px; }
.btn-mode span { font-size: 12px; color: var(--text-dim); letter-spacing: 1px; }
#btn-easy b { color: var(--green); }
#btn-normal b { color: var(--gold); }
#btn-hard b { color: var(--red); }

/* ============ 排位界面 ============ */
.rank-panel {
  display: flex;
  align-items: stretch;
  gap: 0;
  width: min(680px, 92vw);
  border: 3px solid var(--border-dark);
  background: var(--bg-panel);
  box-shadow: 0 6px 0 var(--border-dark);
}
.rank-left {
  flex: 1;
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(180deg, rgba(255,140,59,.08), transparent);
  border-right: 3px solid var(--border-dark);
}
.rank-label { font-size: 12px; color: var(--text-dim); letter-spacing: 4px; }
.rank-tier {
  font-size: 46px;
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--gold);
  text-shadow: 3px 3px 0 var(--border-dark), 0 0 18px rgba(242,201,76,.5);
}
.rank-sub { font-size: 20px; font-weight: 700; color: var(--accent-2); letter-spacing: 2px; }
.rank-progress {
  width: 80%; height: 10px;
  background: #0d0a1c;
  border: 2px solid var(--border-dark);
}
.rank-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  width: 33%;
}
.rank-record { font-size: 12px; color: var(--text-dim); }

.rank-right {
  flex: 1.2;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.rank-desc { font-size: 13px; color: var(--text-dim); text-align: center; line-height: 1.7; }
.rank-table {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
  justify-content: center;
}
.rank-table i { color: var(--accent); font-style: normal; }
.rank-table .rank-top { color: var(--gold); font-weight: 900; }

/* ============ 联机界面 ============ */
.online-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 40px 56px;
  border: 3px solid var(--border-dark);
  background: var(--bg-panel);
  box-shadow: 0 6px 0 var(--border-dark);
}
.construction { display: flex; flex-direction: column; align-items: center; }
.cone {
  font-size: 56px;
  color: var(--gold);
  text-shadow: 3px 3px 0 var(--border-dark);
  animation: cone-blink 1s steps(2) infinite;
}
@keyframes cone-blink { 50% { opacity: .55; transform: translateY(-3px); } }
.wip {
  margin-top: -14px;
  font-size: 12px;
  font-weight: 900;
  color: #1a0d00;
  background: var(--gold);
  padding: 2px 10px;
  letter-spacing: 2px;
}
.online-big {
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 900;
  letter-spacing: 12px;
  color: #fff;
  text-shadow: 3px 3px 0 var(--border-dark);
}
.online-desc { font-size: 13px; color: var(--text-dim); text-align: center; line-height: 1.8; }

/* ============ 选人界面 ============ */
#screen-select { gap: 14px; }
.select-stage { width: min(760px, 94vw); }
.char-grid {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.char-card {
  width: 200px;
  border: 3px solid var(--border-dark);
  background: linear-gradient(180deg, var(--bg-panel-2), var(--bg-panel));
  box-shadow: 0 5px 0 var(--border-dark);
  cursor: pointer;
  padding: 14px 10px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform 0.08s, filter 0.1s;
}
.char-card:hover { filter: brightness(1.2); transform: translateY(-3px); }
.char-card.selected {
  border-color: var(--gold);
  box-shadow: 0 5px 0 var(--border-dark), 0 0 22px rgba(242,201,76,.55);
}
.char-card canvas {
  width: 96px; height: 96px;
  image-rendering: pixelated;
  background: radial-gradient(ellipse at 50% 90%, rgba(255,140,59,.18), transparent 70%);
}
.char-name { font-size: 17px; font-weight: 900; letter-spacing: 2px; }
.char-title { font-size: 11px; color: var(--accent-2); letter-spacing: 2px; }
.char-tags { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; }
.char-tags span {
  font-size: 10px;
  padding: 2px 6px;
  background: rgba(79,143,208,.25);
  border: 1px solid rgba(79,143,208,.5);
  color: #bcd9f5;
}
.select-actions { display: flex; align-items: center; gap: 20px; }
.select-hint { font-size: 12px; color: var(--text-dim); }

/* ============ 结算界面 ============ */
.result-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 36px 48px;
  border: 3px solid var(--border-dark);
  background: var(--bg-panel);
  box-shadow: 0 6px 0 var(--border-dark);
  animation: result-in 0.35s steps(5);
}
@keyframes result-in { from { transform: scale(0.6); opacity: 0; } }
.result-title {
  font-size: 56px;
  font-weight: 900;
  letter-spacing: 16px;
  text-shadow: 4px 4px 0 var(--border-dark);
}
.result-title.win { color: var(--gold); }
.result-title.lose { color: var(--text-dim); }
.result-sub { font-size: 14px; color: var(--text-dim); letter-spacing: 2px; }
.result-stats {
  display: flex;
  gap: 22px;
  font-size: 13px;
}
.result-stats .stat { text-align: center; }
.result-stats .stat b { display: block; font-size: 22px; color: #fff; }
.result-stats .stat span { color: var(--text-dim); font-size: 11px; }
.result-rank {
  font-size: 15px;
  color: var(--accent-2);
  letter-spacing: 1px;
  padding: 8px 14px;
  border: 2px dashed rgba(255,140,59,.4);
  text-align: center;
  line-height: 1.6;
}
.result-actions { display: flex; gap: 14px; margin-top: 6px; }
.result-actions .btn-back { width: 120px; height: 60px; font-size: 15px; }

/* ============ 竖屏提示 ============ */
#rotate-tip {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  background: var(--bg-deep);
  color: var(--text);
  font-size: 18px;
  letter-spacing: 2px;
  text-align: center;
}
@media (max-aspect-ratio: 3/4) {
  #rotate-tip { display: flex; }
}

/* 小屏适配 */
@media (max-width: 720px) {
  .btn-main { width: 250px; height: 64px; font-size: 20px; }
  .btn-mode { width: 290px; }
  .rank-panel { flex-direction: column; }
  .rank-left { border-right: none; border-bottom: 3px solid var(--border-dark); }
  .char-card { width: 160px; }
  .char-card canvas { width: 80px; height: 80px; }
  #banner { font-size: 30px; }
}