/* ============================================
   智勇闯关 - 全局样式表
   CSS 变量管理主题色，方便换肤
   ============================================ */

/* ---------- 主题色变量 ---------- */
:root {
  --bg-primary:   #0b0f14;
  --bg-gradient:  #071018;
  --color-primary: #3aa0ff;
  --color-danger:  #ff4d4f;
  --color-accent:  #8aff8a;
  --color-gold:    #ffd700;
  --color-text:    #ffffff;
  --color-dim:     #aaaaaa;
  --ui-bg:         rgba(0, 0, 0, 0.4);
  --panel-bg:      rgba(0, 0, 0, 0.6);
}

/* ---------- 全屏布局 ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-primary);
  font-family: system-ui, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  color: var(--color-text);
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}

/* ---------- 游戏画布 ---------- */
#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--bg-gradient), var(--bg-primary));
  touch-action: none;
}

/* ---------- UI 覆盖层 ---------- */
#ui {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

#messages {
  position: absolute;
  right: 16px;
  top: 16px;
  width: 200px;
  text-align: right;
  font-size: 13px;
  color: var(--color-dim);
  line-height: 1.6;
}

/* ---------- 开发者调试面板 ---------- */
.dev-panel {
  position: fixed;
  left: 16px;
  bottom: 16px;
  background: var(--panel-bg);
  color: var(--color-text);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 12px;
  pointer-events: auto;
  z-index: 60;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  min-width: 170px;
}

.dev-panel.hidden {
  display: none;
}

.dev-panel h4 {
  margin: 0 0 8px 0;
  font-size: 12px;
  color: var(--color-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.dev-panel label {
  display: block;
  margin: 4px 0;
  font-size: 11px;
  color: var(--color-dim);
  cursor: pointer;
}

.dev-panel input[type="range"] {
  width: 130px;
  vertical-align: middle;
  accent-color: var(--color-primary);
}

.dev-panel button {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 5px 0;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: background 0.2s ease;
}

.dev-panel button:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* ---------- 伤害数字动画 ---------- */
.damage-float {
  position: absolute;
  font-weight: 700;
  font-size: 18px;
  color: #ffdfdf;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  pointer-events: none;
  animation: floatUp 700ms ease-out forwards;
}

@keyframes floatUp {
  0%   { opacity: 1; transform: translateY(0) scale(0.8); }
  30%  { opacity: 1; transform: translateY(-16px) scale(1.1); }
  100% { opacity: 0; transform: translateY(-40px) scale(0.9); }
}

/* ---------- 门状态过渡动画 ---------- */
.door-frame {
  transition: fill 0.4s ease, stroke 0.4s ease;
}

/* ============================================
   主菜单 / 关卡选择 / 弹窗 界面
   ============================================ */

/* ---------- 全屏覆盖层 ---------- */
.screen {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
    background:
      radial-gradient(1200px 600px at 50% -10%, rgba(58, 160, 255, 0.10), transparent 60%),
      linear-gradient(180deg, rgba(7, 16, 24, 0.60), rgba(11, 15, 20, 0.76));
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: screenFade 0.35s ease;
}

.screen.hidden {
  display: none;
}

@keyframes screenFade {
  from { opacity: 0; transform: scale(1.02); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---------- 主菜单 ---------- */
.menu-box {
  text-align: center;
  padding: 40px 56px;
}

.title-glow {
  font-size: 72px;
  font-weight: 800;
  letter-spacing: 6px;
  color: #fff;
  text-shadow:
    0 0 18px rgba(58, 160, 255, 0.65),
    0 0 42px rgba(58, 160, 255, 0.35);
  animation: titlePulse 3.2s ease-in-out infinite;
}

@keyframes titlePulse {
  0%, 100% { text-shadow: 0 0 18px rgba(58,160,255,0.55), 0 0 42px rgba(58,160,255,0.30); }
  50%      { text-shadow: 0 0 26px rgba(58,160,255,0.85), 0 0 60px rgba(58,160,255,0.45); }
}

.title-sub {
  margin-top: 6px;
  font-size: 15px;
  letter-spacing: 10px;
  color: var(--color-dim);
  text-indent: 10px;
}

/* ---------- 1024 Builder 徽章（主菜单） ---------- */
.edition-badge {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #8ff7ff;
  border: 1px solid rgba(124, 247, 255, 0.45);
  border-radius: 999px;
  background: rgba(20, 80, 100, 0.28);
  text-shadow: 0 0 10px rgba(124, 247, 255, 0.75);
  box-shadow: 0 0 16px rgba(124, 247, 255, 0.18), inset 0 0 12px rgba(124, 247, 255, 0.12);
  animation: badgePulse 3.2s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 12px rgba(124, 247, 255, 0.15), inset 0 0 10px rgba(124, 247, 255, 0.10); }
  50%      { box-shadow: 0 0 22px rgba(124, 247, 255, 0.35), inset 0 0 14px rgba(124, 247, 255, 0.20); }
}

.menu-box .btn {
  display: block;
  width: 260px;
  margin: 16px auto 0;
  padding: 14px 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
}

.menu-hint {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--color-dim);
  letter-spacing: 0.5px;
}

/* ---------- 按钮通用 ---------- */
.btn {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.13);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(180deg, var(--color-primary), #2b7fd4);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 24px rgba(58, 160, 255, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(180deg, #4fb0ff, var(--color-primary));
  box-shadow: 0 10px 30px rgba(58, 160, 255, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--color-dim);
  border-color: rgba(255, 255, 255, 0.12);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
}

.btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

/* ---------- 关卡选择 ---------- */
.ls-box {
  width: min(880px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  padding: 28px 32px 36px;
}

.ls-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.ls-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 3px;
  color: #fff;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.level-card {
  position: relative;
  padding: 18px 18px 16px;
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(30, 42, 58, 0.85), rgba(16, 24, 34, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.level-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 140px at 80% -20%, rgba(58, 160, 255, 0.18), transparent 70%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.level-card:hover:not(.locked) {
  transform: translateY(-4px);
  border-color: rgba(58, 160, 255, 0.55);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.level-card:hover:not(.locked)::before {
  opacity: 1;
}

.level-card.locked {
  cursor: not-allowed;
  filter: grayscale(0.85) brightness(0.6);
}

.level-card.cleared {
  border-color: rgba(138, 255, 138, 0.35);
}

.lc-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.lc-index {
  font-size: 13px;
  color: var(--color-dim);
  letter-spacing: 2px;
}

.lc-stars {
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--color-gold);
}

.lc-name {
  margin-top: 6px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}

.lc-sub {
  margin-top: 2px;
  font-size: 12px;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.lc-desc {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-dim);
  min-height: 38px;
}

.lc-badge {
  margin-top: 12px;
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.lc-badge.play { background: rgba(58, 160, 255, 0.18); color: #9fd0ff; }
.lc-badge.cleared { background: rgba(138, 255, 138, 0.16); color: var(--color-accent); }
.lc-badge.locked { background: rgba(255, 255, 255, 0.08); color: var(--color-dim); }

.lc-lock {
  position: absolute;
  right: 14px;
  bottom: 12px;
  font-size: 22px;
  opacity: 0.7;
}

/* ---------- 弹窗（通关 / 失败 / 暂停） ---------- */
.modal-box {
  min-width: 320px;
  max-width: 90vw;
  padding: 32px 36px;
  text-align: center;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(26, 36, 50, 0.96), rgba(12, 18, 26, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  animation: modalPop 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

@keyframes modalPop {
  from { opacity: 0; transform: translateY(18px) scale(0.94); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-box .m-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 2px;
}

.modal-box .m-title.win  { color: var(--color-accent); text-shadow: 0 0 18px rgba(138,255,138,0.4); }
.modal-box .m-title.lose { color: var(--color-danger); text-shadow: 0 0 18px rgba(255,77,79,0.4); }
.modal-box .m-title.pause{ color: var(--color-primary); }

.modal-box .m-body {
  margin: 14px 0 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-dim);
}

.modal-box .m-body b { color: #fff; }

.modal-box .m-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.modal-box .m-actions .btn {
  min-width: 130px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 700;
}