/* ============================================================
   林晓失踪案 · 时间胶囊 —— 案件板（noir）风格
   ============================================================ */

:root {
  --bg: #0b0a08;
  --panel: #14110d;
  --panel2: #1b1711;
  --doc: #1e1a14;
  --ink: #e8e0cc;
  --ink-dim: #9a907c;
  --faint: #5c554a;
  --line: #2c2620;
  --accent: #c0392b;   /* 红绳 / 关键 */
  --amber: #d9a441;    /* 证据 / 线索 */
  --ok: #5bbf7a;       /* 已解 */
  --mono: "Courier New", "Consolas", "SimSun", "NSimSun", monospace;
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
}

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

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
}
a { color: var(--amber); }

::selection { background: var(--accent); color: #fff; }

/* 氛围层 */
#grain {
  position: fixed; inset: -200px; z-index: 9000; pointer-events: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="300" height="300"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="2" stitchTiles="stitch"/></filter><rect width="100%25" height="100%25" filter="url(%23n)"/></svg>');
  opacity: 0.04;
  animation: grain 1.4s steps(6) infinite;
}
@keyframes grain {
  0%{transform:translate(0,0)} 25%{transform:translate(-24px,18px)}
  50%{transform:translate(18px,-30px)} 75%{transform:translate(-30px,-14px)}
  100%{transform:translate(0,0)}
}
#vignette {
  position: fixed; inset: 0; z-index: 8999; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 45%, rgba(0,0,0,0.6) 100%);
}

/* HUD */
#hud {
  position: fixed; top: 10px; left: 14px; z-index: 9100;
  display: flex; gap: 12px; align-items: center;
  font-size: 12px; letter-spacing: 0.1em; color: var(--ink-dim);
}
#hud-rec { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
#hud-status { color: var(--amber); }

#sound {
  position: fixed; bottom: 12px; right: 14px; z-index: 9100;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--ink-dim); background: var(--panel);
  border: 1px solid var(--line); padding: 6px 12px; cursor: pointer;
}
#sound:hover { color: var(--ink); border-color: var(--amber); }

/* 布局 */
#app { position: relative; z-index: 10; max-width: 1240px; margin: 0 auto; padding: 46px 18px 60px; }

/* ---------- 解锁屏 ---------- */
.lock { max-width: 640px; margin: 7vh auto 0; }
.lock .stamp {
  display: inline-block; border: 2px solid var(--accent); color: var(--accent);
  padding: 2px 10px; letter-spacing: 0.3em; font-size: 12px; transform: rotate(-4deg);
  margin-bottom: 18px;
}
.lock h1 { font-size: clamp(26px, 5vw, 40px); letter-spacing: 0.08em; margin-bottom: 8px; }
.lock .meta { color: var(--ink-dim); font-size: 12px; letter-spacing: 0.12em; margin-bottom: 22px; }

.dossier {
  background: var(--panel); border: 1px solid var(--line);
  padding: 24px 26px; font-family: var(--serif); font-size: 16px; color: var(--ink);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.dossier p { margin: 10px 0; }
.dossier .note {
  background: var(--doc); border-left: 3px solid var(--amber);
  padding: 10px 14px; margin: 16px 0; font-size: 15px;
}
.dossier .note em { color: var(--amber); font-style: normal; }
.dossier .hint { color: var(--ink-dim); font-size: 13px; }

.lock-field { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.lock-field input { flex: 1; min-width: 200px; }

/* 输入 / 按钮 */
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  font-family: var(--mono); font-size: 15px; color: var(--ink);
  background: rgba(0,0,0,0.45); border: 1px solid var(--line);
  padding: 10px 12px; outline: none; letter-spacing: 0.06em;
}
input:focus, select:focus, textarea:focus { border-color: var(--amber); }
textarea { width: 100%; resize: vertical; min-height: 70px; line-height: 1.6; }
select { cursor: pointer; }

.btn {
  display: inline-block; font-family: var(--mono); font-size: 14px; letter-spacing: 0.14em;
  color: var(--amber); background: transparent; border: 1px solid var(--amber);
  padding: 9px 18px; cursor: pointer; transition: all .15s;
}
.btn:hover { background: var(--amber); color: #000; box-shadow: 0 0 18px rgba(217,164,65,0.35); }
.btn.accent { color: var(--accent); border-color: var(--accent); }
.btn.accent:hover { background: var(--accent); color: #fff; }
.btn.ghost { color: var(--ink-dim); border-color: var(--faint); }
.btn.ghost:hover { color: #000; background: var(--ink-dim); border-color: var(--ink-dim); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn.small { padding: 5px 11px; font-size: 12px; }
.err { color: var(--accent); font-size: 13px; min-height: 1.3em; margin-top: 8px; }
.ok-text { color: var(--ok); font-size: 13px; min-height: 1.3em; margin-top: 8px; }

/* ---------- 案件板 ---------- */
.board { }
.case-head {
  border-bottom: 2px solid var(--line); padding-bottom: 14px; margin-bottom: 20px;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 14px;
}
.case-head h1 { font-size: clamp(22px, 4vw, 30px); letter-spacing: 0.06em; }
.case-head .meta { color: var(--ink-dim); font-size: 12px; letter-spacing: 0.1em; }
.case-head .prog { margin-left: auto; color: var(--amber); font-size: 12px; }

.cols {
  display: grid; grid-template-columns: 250px 1fr 320px; gap: 16px; align-items: start;
}

.pane {
  background: var(--panel); border: 1px solid var(--line);
  padding: 14px 16px;
}
.pane h2 {
  font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

/* 证据列表 */
.file-list { display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex; align-items: center; gap: 10px; text-align: left; width: 100%;
  padding: 10px 12px; cursor: pointer;
  background: var(--panel2); border: 1px solid var(--line);
  color: var(--ink); font-family: var(--mono); font-size: 13px;
  transition: all .15s;
}
.file-item:hover { border-color: var(--amber); transform: translateX(3px); }
.file-item.active { border-color: var(--amber); background: rgba(217,164,65,0.08); }
.file-item.locked { opacity: 0.5; cursor: not-allowed; }
.file-item.locked:hover { transform: none; border-color: var(--line); }
.file-item .fi-ico { font-size: 17px; }
.file-item .fi-name { flex: 1; line-height: 1.3; }
.file-item .fi-tag { color: var(--ink-dim); font-size: 11px; }
.file-item .fi-lock { color: var(--accent); font-size: 12px; }

/* 文档查看器 */
.doc {
  background: var(--doc); border: 1px solid var(--line);
  padding: 20px 22px; min-height: 320px;
  font-family: var(--serif); font-size: 16px; white-space: pre-wrap; word-break: break-word;
}
.doc .doc-head { color: var(--amber); font-size: 12px; letter-spacing: 0.2em; font-family: var(--mono); margin-bottom: 14px; }
.doc .mono { font-family: var(--mono); }
.doc .hl { color: var(--amber); }
.doc .danger { color: var(--accent); }
.doc .cipher {
  font-family: var(--mono); color: var(--amber); letter-spacing: 0.08em;
  background: rgba(0,0,0,0.4); padding: 8px 12px; display: inline-block; margin: 8px 0;
}
.doc .photo {
  aspect-ratio: 16/10; background:
    linear-gradient(120deg, #0c1410 0%, #16231a 40%, #0a0d0b 100%);
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  position: relative; margin: 10px 0; overflow: hidden; text-align: center;
}
.doc .photo .shape {
  font-size: 60px; line-height: 1; opacity: 0.85;
  filter: grayscale(0.6) contrast(1.1);
}
.doc .photo .back {
  position: absolute; left: 0; right: 0; bottom: 12px;
  font-size: 12px; color: var(--ink-dim); font-family: var(--serif);
}

/* 线索卡 */
.clue-list { display: flex; flex-direction: column; gap: 8px; }
.clue-card {
  border: 1px solid var(--line); background: var(--panel2);
  padding: 9px 12px; font-size: 13px;
  border-left: 3px solid var(--amber);
}
.clue-card .c-t { color: var(--amber); letter-spacing: 0.06em; }
.clue-card .c-d { color: var(--ink-dim); font-size: 12px; margin-top: 2px; }

/* 嫌疑人 */
.suspect-list { display: flex; flex-direction: column; gap: 8px; }
.suspect {
  border: 1px solid var(--line); background: var(--panel2); padding: 10px 12px;
  font-size: 13px;
}
.suspect .s-name { letter-spacing: 0.06em; }
.suspect .s-role { color: var(--ink-dim); font-size: 12px; }
.suspect .s-stmt { color: var(--ink-dim); font-size: 12px; margin-top: 4px; font-style: italic; }
.suspect.marked { border-color: var(--accent); box-shadow: 0 0 14px rgba(192,57,43,0.25); }
.suspect .s-mark { color: var(--accent); font-size: 12px; margin-top: 6px; }

/* 工具 */
.tool { border: 1px solid var(--line); background: var(--panel2); padding: 12px; margin-bottom: 10px; }
.tool h3 { font-size: 12px; letter-spacing: 0.16em; color: var(--amber); margin-bottom: 8px; }
.tool .row { display: flex; gap: 8px; align-items: center; margin: 6px 0; flex-wrap: wrap; }
.tool label { color: var(--ink-dim); font-size: 12px; }
.caesar-out {
  font-family: var(--mono); background: rgba(0,0,0,0.5); border: 1px solid var(--line);
  padding: 8px 10px; min-height: 40px; white-space: pre-wrap; word-break: break-all;
  color: var(--ok); letter-spacing: 0.05em; font-size: 13px;
}
.morse-seq {
  font-family: var(--mono); font-size: 17px; letter-spacing: 0.22em;
  color: var(--amber); background: rgba(0,0,0,0.45); padding: 8px 10px; word-break: break-all;
  margin: 6px 0;
}
.bin-row { display: flex; gap: 6px; margin: 10px 0; }
.bin {
  width: 22px; height: 22px; border: 1px solid var(--line);
  display: inline-block; background: #0e0d0a;
}
.bin.on { background: var(--ink); }
.bin.off { background: #221e17; }
.morse-table { font-size: 11px; color: var(--ink-dim); line-height: 1.9; word-break: break-all; }
.morse-table b { color: var(--amber); font-weight: normal; }

/* 最终报告 modal */
.modal {
  position: fixed; inset: 0; z-index: 9500; background: rgba(0,0,0,0.82);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
  width: min(560px, 96vw); max-height: 90vh; overflow: auto;
  background: var(--panel); border: 1px solid var(--amber);
  padding: 24px 26px; box-shadow: 0 20px 80px rgba(0,0,0,0.7);
}
.modal-box h2 { font-size: 18px; letter-spacing: 0.14em; margin-bottom: 4px; }
.modal-box .sub { color: var(--ink-dim); font-size: 12px; margin-bottom: 16px; }
.frow { margin: 14px 0; }
.frow label { display: block; color: var(--ink-dim); font-size: 12px; letter-spacing: 0.1em; margin-bottom: 6px; }
.frow input, .frow select { width: 100%; }
.result {
  margin-top: 14px; padding: 14px 16px; border: 1px solid var(--line);
  background: var(--panel2); font-family: var(--serif); font-size: 15px; white-space: pre-wrap;
  display: none;
}
.result.good { border-color: var(--ok); display: block; }
.result.end { border-color: var(--amber); display: block; }
.result.bad { border-color: var(--accent); display: block; }

/* 响应式 */
@media (max-width: 960px) {
  .cols { grid-template-columns: 1fr; }
  .case-head .prog { margin-left: 0; width: 100%; }
}