/* ============================================================
   《新革命》— 构成主义风格 (Constructivism)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;700&display=swap');

:root {
  --red: #CC0000;
  --dark-red: #880000;
  --black: #0A0A0A;
  --dark-gray: #1A1A1A;
  --mid-gray: #2A2A2A;
  --light-gray: #444;
  --white: #E8E0D0;
  --cream: #F0E8D0;
  --gold: #D4A843;
  --font-construct: 'Oswald', 'Impact', 'Arial Black', sans-serif;
  --font-body: 'Georgia', 'SimSun', serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ---- 装饰条纹背景 ---- */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(204,0,0,0.03) 40px, rgba(204,0,0,0.03) 41px),
    linear-gradient(180deg, rgba(204,0,0,0.06) 0%, transparent 30%, transparent 70%, rgba(204,0,0,0.06) 100%);
}
body::after {
  content: '';
  position: fixed; top: 0; left: 0; width: 8px; height: 100%; z-index: 0; pointer-events: none;
  background: var(--red);
}

/* ---- 顶部粗黑条 ---- */
.top-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 6px; z-index: 100;
  background: repeating-linear-gradient(90deg, var(--red) 0px, var(--red) 80px, var(--black) 80px, var(--black) 160px);
}

/* ---- 主容器 ---- */
.app-container {
  display: flex; min-height: 100vh; position: relative; z-index: 1;
}

/* ---- 侧边栏 ---- */
.sidebar {
  width: 280px; min-width: 280px;
  background: var(--dark-gray);
  border-right: 4px solid var(--red);
  padding: 24px 16px;
  display: flex; flex-direction: column; gap: 12px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar-header { text-align: center; padding-bottom: 12px; border-bottom: 3px solid var(--red); }
.sidebar-title {
  font-family: var(--font-construct); font-size: 1.2rem; color: var(--white);
  letter-spacing: 3px; font-weight: 700; text-transform: uppercase;
}
.sidebar-subtitle { font-size: 0.6rem; color: #888; letter-spacing: 2px; text-transform: uppercase; margin-top: 2px; }

/* ---- 属性条 ---- */
.stat-item { margin-bottom: 8px; }
.stat-label {
  display: block; font-size: 0.65rem; color: #999;
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 2px;
  font-family: var(--font-construct);
}
.stat-bar-bg { height: 8px; background: #111; overflow: hidden; }
.stat-bar-fill { height: 100%; transition: width 0.6s ease; }
.stat-value { display: block; text-align: right; font-size: 0.65rem; color: #666; }

/* ---- 侧边栏按钮 ---- */
.sidebar-btn {
  background: #111; border: 2px solid #333; color: #999;
  padding: 8px 10px; font-family: var(--font-construct); font-size: 0.7rem;
  cursor: pointer; transition: all 0.2s; text-transform: uppercase; letter-spacing: 1px;
}
.sidebar-btn:hover { border-color: var(--red); color: var(--white); background: #222; }
.sidebar-actions { margin-top: auto; display: flex; flex-direction: column; gap: 6px; }

/* ---- 侧边栏委员会对话 ---- */
.sidebar-dialogs { margin: 6px 0; padding: 6px 0; border-top: 2px solid #333; border-bottom: 2px solid #333; }
.sd-label { text-align: center; font-family: var(--font-construct); font-size: 0.7rem; letter-spacing: 2px; margin-bottom: 8px; text-transform: uppercase; }
.sd-label-gkchp { color: var(--red); }
.sd-label-opp { color: #5bc0de; }
.sd-item { padding: 5px 7px; margin-bottom: 3px; background: #111; border-left: 3px solid var(--red); }
.sd-opp { border-left-color: #5bc0de; }
.sd-speaker { font-size: 0.65rem; color: var(--gold); font-weight: bold; font-family: var(--font-construct); letter-spacing: 1px; }
.sd-opp .sd-speaker { color: #5bc0de; }
.sd-text { font-size: 0.6rem; color: #777; font-style: italic; line-height: 1.4; }

/* ---- 主内容区 ---- */
.main-content { flex: 1; padding: 40px; max-width: 900px; margin: 0 auto; }

/* ---- 开场画面 ---- */
.intro-screen { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; text-align: center; padding: 40px; }
.intro-emblem { font-size: 5rem; margin-bottom: 12px; filter: drop-shadow(0 0 20px rgba(204,0,0,0.4)); }
.intro-title { font-family: var(--font-construct); font-size: 4rem; color: var(--white); letter-spacing: 12px; margin-bottom: 4px; text-transform: uppercase; font-weight: 700; }
.intro-subtitle { font-size: 0.9rem; color: var(--red); letter-spacing: 6px; margin-bottom: 40px; text-transform: uppercase; font-family: var(--font-construct); }
.intro-description { max-width: 600px; font-size: 0.9rem; color: #999; line-height: 2; margin-bottom: 48px; }
.intro-description .highlight { color: var(--red); font-weight: bold; }
/* ---- 历史背景区 ---- */
.intro-history {
  width: 100%; max-width: 900px;
  margin-bottom: 32px;
}
.history-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.history-col {
  background: var(--dark-gray);
  border: 1px solid #333;
  padding: 14px 16px;
}
.history-col:first-child { border-left: 3px solid var(--gold); }
.history-col:last-child { border-left: 3px solid var(--red); }
.history-col-title {
  font-family: var(--font-construct); font-size: 0.85rem; letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid #333;
}
.history-col:first-child .history-col-title { color: var(--gold); }
.history-col:last-child .history-col-title { color: var(--red); }
.history-item {
  font-size: 0.7rem; color: #999; line-height: 1.6; margin-bottom: 6px; padding-left: 4px;
}
.history-item b { color: var(--white); }
.red-item { color: var(--red) !important; border-left: 2px solid var(--red); padding-left: 8px; }
.red-item b { color: var(--red) !important; }

.intro-start-btn {
  background: var(--red); border: none; color: var(--white);
  padding: 18px 56px; font-family: var(--font-construct); font-size: 1.2rem;
  letter-spacing: 6px; cursor: pointer; transition: all 0.3s; text-transform: uppercase;
  font-weight: 700; clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.intro-start-btn:hover { background: #EE0000; transform: scale(1.03); }
.intro-credits { margin-top: 48px; font-size: 0.65rem; color: #555; letter-spacing: 2px; }
.intro-credits span { display: block; margin: 4px 0; }

/* ---- 游戏面板 ---- */
.game-screen { display: none; flex-direction: column; gap: 16px; }
.scene-header { border-bottom: 3px solid var(--red); padding-bottom: 12px; margin-bottom: 4px; }
.scene-date { font-size: 0.75rem; color: var(--red); letter-spacing: 4px; text-transform: uppercase; font-family: var(--font-construct); }
.scene-title { font-family: var(--font-construct); font-size: 1.6rem; color: var(--white); margin-top: 2px; letter-spacing: 2px; text-transform: uppercase; }

/* ---- 叙事文本 ---- */
.narrative-box {
  background: var(--dark-gray); border-left: 5px solid var(--red);
  padding: 28px 32px; line-height: 2; font-size: 0.9rem; color: var(--white);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.narrative-box b { color: var(--red); font-weight: bold; }
.narrative-box .coup-header { text-align: center; font-family: var(--font-construct); font-size: 1.2rem; color: var(--red); letter-spacing: 4px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid #333; text-transform: uppercase; }

/* ---- 选择区 ---- */
.choices-box { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.choice-btn {
  display: flex; align-items: flex-start; gap: 14px;
  background: #111; border: 2px solid #333; padding: 14px 20px;
  cursor: pointer; transition: all 0.2s; text-align: left; color: var(--white);
  font-size: 0.9rem; line-height: 1.6; clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
  font-family: var(--font-body);
}
.choice-btn:hover { border-color: var(--red); background: #1A1A1A; transform: translateX(3px); }
.choice-btn:active { transform: scale(0.98); }
.choice-num { display: inline-flex; align-items: center; justify-content: center; width: 26px; min-width: 26px; height: 26px; background: var(--red); color: var(--white); font-size: 0.75rem; font-weight: bold; font-family: var(--font-construct); }
.choice-locked { opacity: 0.35; cursor: not-allowed !important; }
.choice-locked:hover { border-color: #333 !important; background: #111 !important; transform: none !important; }
.lock-reason { display: block; font-size: 0.65rem; color: #666; margin-top: 2px; font-style: italic; }
.no-choices { text-align: center; padding: 32px; color: #666; font-style: italic; }

/* ---- 路线指示器 ---- */
.path-display { text-align: center; padding: 6px 12px; font-size: 0.7rem; letter-spacing: 2px; font-family: var(--font-construct); }
.path-active { color: var(--red); }
.path-pending { color: #555; }

/* ---- 日期旁图片按钮 ---- */
.date-img-btn { display: inline-block; position: relative; cursor: pointer; font-size: 0.85rem; margin-left: 8px; vertical-align: middle; opacity: 0.5; transition: opacity 0.2s; }
.date-img-btn:hover { opacity: 1; }
.date-img-preview { display: none; position: absolute; top: 100%; left: 0; z-index: 300; max-width: 400px; max-height: 300px; border: 3px solid var(--red); box-shadow: 0 8px 32px rgba(204,0,0,0.3); }
.date-img-btn:hover .date-img-preview { display: block; }

/* ---- 国际新闻 ---- */
.world-news-ticker { background: #111; border-left: 4px solid var(--red); padding: 10px 14px; margin: 12px 0; font-size: 0.72rem; color: #999; line-height: 1.5; font-family: var(--font-construct); letter-spacing: 1px; }
.news-label { color: var(--red); font-weight: bold; letter-spacing: 2px; margin-right: 6px; }

/* ---- 键盘提示 ---- */
.keyboard-hint { text-align: center; font-size: 0.65rem; color: #444; margin-top: 8px; letter-spacing: 1px; text-transform: uppercase; font-family: var(--font-construct); }

/* ---- 历史面板 ---- */
.history-panel { margin-top: 24px; display: none; }
.history-panel-title { font-family: var(--font-construct); color: var(--red); font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 12px; padding-bottom: 6px; border-bottom: 2px solid #333; text-transform: uppercase; }
.history-entry { padding: 8px 0; border-bottom: 1px solid #1A1A1A; font-size: 0.75rem; }
.history-date { color: var(--red); font-size: 0.65rem; letter-spacing: 2px; font-family: var(--font-construct); }
.history-title { color: var(--white); font-weight: bold; }
.history-choice { color: #888; font-style: italic; }

/* ---- 结局弹窗 ---- */
.ending-screen { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.96); z-index: 200; flex-direction: column; padding: 24px; overflow-y: auto; }
.ending-content { max-width: 750px; width: 100%; margin: auto; line-height: 2; font-size: 0.85rem; padding-bottom: 60px; }
.ending-header { font-family: var(--font-construct); font-size: 1.4rem; letter-spacing: 4px; text-align: center; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 3px solid; text-transform: uppercase; }
.ending-path1 { color: #cc0000; border-color: #cc0000; }
.ending-path2 { color: #ff6600; border-color: #ff6600; }
.ending-path3 { color: #5bc0de; border-color: #5bc0de; }
.ending-path4 { color: #999; border-color: #999; }
.ending-path5 { color: #00cc66; border-color: #00cc66; }
.ending-path6 { color: #c4922e; border-color: #c4922e; }
.ending-path7 { color: #b0a0d0; border-color: #b0a0d0; }
.ending-path8 { color: #ff4088; border-color: #ff4088; }
.ending-expelled { color: #888; border-color: #555; }
.ending-content b { color: var(--red); }
.happiness-rating { text-align: center; margin: 20px 0; padding: 16px; background: rgba(0,0,0,0.5); border-radius: 0; border: 2px solid #333; }
.ending-restart-btn {
  display: block; margin: 40px auto 0; background: var(--red); border: none; color: var(--white);
  padding: 14px 40px; font-family: var(--font-construct); font-size: 1rem; letter-spacing: 3px;
  cursor: pointer; transition: all 0.3s; text-transform: uppercase; position: sticky; bottom: 12px; z-index: 10;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.ending-restart-btn:hover { background: #EE0000; }

/* ---- 角标面板 ---- */
.corner-panel { position: fixed; z-index: 150; width: 36px; height: 36px; }
.corner-top-right { top: 12px; right: 12px; }
.corner-bottom-right { bottom: 12px; right: 12px; }
.corner-bottom-left { bottom: 12px; left: 12px; }
.corner-panel-toggle {
  width: 36px; height: 36px; background: var(--dark-gray); border: 2px solid #555;
  cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; position: absolute; right: 0; z-index: 2;
}
.corner-top-right .corner-panel-toggle { top: 0; }
.corner-bottom-right .corner-panel-toggle { bottom: 0; }
.corner-bottom-left .corner-panel-toggle { bottom: 0; left: 0; right: auto; }
.corner-panel-toggle:hover { border-color: var(--red); background: #333; transform: scale(1.1); }
.corner-panel-content {
  display: none; position: absolute; right: 0;
  width: 360px; max-height: 70vh; overflow-y: auto;
  background: var(--dark-gray); border: 2px solid #555; padding: 16px;
  font-size: 0.7rem; line-height: 1.6; color: var(--white);
}
.corner-top-right .corner-panel-content { top: 42px; }
.corner-bottom-right .corner-panel-content { bottom: 42px; }
.corner-bottom-left .corner-panel-content { bottom: 42px; left: 0; right: auto; }
.corner-panel-content.visible { display: block; }
.panel-title { font-family: var(--font-construct); font-size: 0.85rem; color: var(--red); text-align: center; letter-spacing: 2px; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 2px solid #444; text-transform: uppercase; }
.ending-ref, .happiness-ref { padding: 6px 8px; margin-bottom: 6px; background: #111; border-left: 3px solid #444; }
.ending-ref b, .happiness-ref b { color: var(--red); }
.path1-ref { border-left-color: #cc0000; } .path2-ref { border-left-color: #ff6600; }
.path3-ref { border-left-color: #5bc0de; } .path4-ref { border-left-color: #999; }
.path5-ref { border-left-color: #00cc66; } .path6-ref { border-left-color: #c4922e; }
.path7-ref { border-left-color: #b0a0d0; } .path8-ref { border-left-color: #ff4088; }
.panel-note { margin-top: 8px; padding: 6px; background: rgba(255,255,255,0.02); font-size: 0.65rem; color: #666; text-align: center; font-style: italic; }

/* ---- 视频面板 ---- */
.video-panel-content { width: 320px; max-width: 90vw; padding: 12px; }
.video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; margin-bottom: 8px; background: #000; }
.video-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.video-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.video-info { font-size: 0.65rem; color: #666; }

/* ---- 响应式 ---- */
@media (max-width: 900px) {
  .app-container { flex-direction: column; }
  .sidebar { width: 100%; min-width: 0; height: auto; position: relative; flex-direction: row; flex-wrap: wrap; gap: 6px; padding: 12px; border-right: none; border-bottom: 4px solid var(--red); }
  .sidebar-header { width: 100%; padding-bottom: 6px; }
  .stat-item { flex: 1; min-width: 100px; margin-bottom: 0; }
  .sidebar-actions { flex-direction: row; width: 100%; }
  .sidebar-btn { flex: 1; }
  .main-content { padding: 16px 12px; max-width: 100%; }
  .history-grid { grid-template-columns: 1fr; }
  .intro-title { font-size: 2rem; letter-spacing: 6px; }
  .scene-title { font-size: 1.2rem; }
  .narrative-box { padding: 16px 14px; font-size: 0.82rem; }
  .choice-btn { padding: 10px 14px; font-size: 0.82rem; }
  .corner-panel-content { width: 280px; font-size: 0.65rem; }
  .video-panel-content { width: 260px; }
}
@media (max-width: 500px) {
  .intro-title { font-size: 1.5rem; letter-spacing: 4px; }
  .narrative-box { font-size: 0.78rem; padding: 12px 10px; }
}