/*
  谁是卧底 — CLASSIFIED DOSSIER
  Aesthetic: noir espionage / manila case file / typewriter investigation
  Display: Special Elite (typewriter)  |  Body: IBM Plex Mono
  Palette: manila cream, ink black, stamp red, file-tab olive
*/

@import url('https://fonts.googleapis.com/css2?family=Special+Elite&family=IBM+Plex+Mono:wght@400;500;600;700&family=Cormorant+Garamond:ital,wght@0,600;1,600&display=swap');

:root {
  --paper:       #e8dcc2;
  --paper-edge:  #d4c39e;
  --paper-deep:  #c9b58a;
  --ink:         #1a1410;
  --ink-soft:    #3a3228;
  --ink-faded:   #6b5d4d;
  --stamp-red:   #8b1a1a;
  --stamp-red-d: #5a0f0f;
  --olive:       #6b6a3a;
  --redact:      #0e0a06;
  --accent-blue: #25395e;

  --paper-shadow: 0 2px 0 rgba(0,0,0,0.04), 0 10px 24px -8px rgba(26,20,16,0.35), 0 28px 60px -20px rgba(26,20,16,0.45);

  --font-display: 'Special Elite', 'Courier New', monospace;
  --font-body:    'IBM Plex Mono', 'Courier New', monospace;
  --font-serif:   'Cormorant Garamond', 'Georgia', serif;
}

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

html, body { background: #1f1a14; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 40px 16px;
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 30% 10%, #2e261d 0%, #14100b 60%, #0b0806 100%);
}

/* desk texture — subtle wood grain feel, plus vignette */
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    repeating-linear-gradient(92deg,
      rgba(255,255,255,0.012) 0 2px,
      transparent 2px 7px),
    radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
  z-index: 0;
}

/* film grain */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.6 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.22;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: 520px;
  position: relative;
  z-index: 2;
}

/* ---------- DOSSIER SHEET ---------- */
.screen {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  padding: 44px 34px 36px;
  border-radius: 2px;
  box-shadow: var(--paper-shadow);
  max-height: 88vh;
  overflow-y: auto;
  /* paper fiber */
  background-image:
    radial-gradient(rgba(107,93,77,0.08) 1px, transparent 1.5px),
    radial-gradient(rgba(139,26,26,0.04) 1px, transparent 1.5px),
    linear-gradient(180deg, #ecdfc5 0%, var(--paper) 35%, #e0d2b2 100%);
  background-size: 3px 3px, 7px 7px, 100% 100%;
  background-position: 0 0, 1px 2px, 0 0;
  /* torn-looking edges */
  clip-path: polygon(
    0% 0.5%, 2% 0%, 6% 0.6%, 12% 0.1%, 20% 0.8%, 30% 0.2%, 42% 0.7%, 55% 0.1%, 68% 0.6%, 82% 0.2%, 94% 0.7%, 100% 0.2%,
    100% 99.3%, 96% 100%, 86% 99.4%, 72% 99.9%, 58% 99.3%, 44% 99.8%, 30% 99.4%, 16% 99.9%, 4% 99.4%, 0% 99.7%
  );
  animation: sheetIn 0.45s cubic-bezier(0.2,0.8,0.2,1) both;
}

@keyframes sheetIn {
  from { opacity: 0; transform: translateY(14px) rotate(-0.4deg); }
  to   { opacity: 1; transform: translateY(0) rotate(0); }
}

/* red file-cord along the top */
.screen::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: repeating-linear-gradient(45deg,
    var(--stamp-red) 0 10px,
    var(--stamp-red-d) 10px 20px);
  opacity: 0.85;
}

/* two-hole punch */
.screen::after {
  content: '';
  position: absolute;
  left: 18px;
  top: 22px; bottom: 22px;
  width: 10px;
  background:
    radial-gradient(circle at 50% 30px, #1a1410 5px, transparent 6px),
    radial-gradient(circle at 50% calc(100% - 30px), #1a1410 5px, transparent 6px);
  opacity: 0.25;
  pointer-events: none;
}

.hidden { display: none !important; }

/* ---------- TYPOGRAPHY ---------- */
h1 {
  font-family: var(--font-display);
  text-align: center;
  color: var(--ink);
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin: 8px 0 6px;
  position: relative;
  text-transform: uppercase;
}
h1::before {
  content: 'CASE FILE № ' attr(data-case);
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--ink-faded);
  margin-bottom: 10px;
}
/* subtitle built-in via ::after */
h1::after {
  content: 'WHO · IS · THE · SPY';
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.5em;
  color: var(--stamp-red);
  margin-top: 4px;
  font-weight: 600;
}

h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 10px;
}

h3 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--ink-faded);
}

p { font-size: 0.88rem; line-height: 1.55; }

.hint {
  color: var(--ink-faded);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 10px;
  font-style: italic;
}

/* divider — dashed with [OR] chip */
.divider {
  position: relative;
  text-align: center;
  margin: 22px 0;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  color: var(--ink-faded);
  text-transform: uppercase;
}
.divider::before, .divider::after {
  content: '';
  position: absolute; top: 50%;
  width: 38%; height: 0;
  border-top: 1px dashed var(--ink-faded);
}
.divider::before { left: 0; }
.divider::after  { right: 0; }

/* ---------- FORMS ---------- */
.form-group { margin: 14px 0; position: relative; }

.form-group input {
  width: 100%;
  padding: 12px 14px 12px 0;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--ink-soft);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.form-group input::placeholder {
  color: var(--ink-faded);
  font-style: italic;
  letter-spacing: 0.04em;
}
.form-group input:focus {
  border-color: var(--stamp-red);
}

/* ---------- BUTTONS ---------- */
.btn-group { margin: 12px 0; }

.btn {
  width: 100%;
  padding: 13px 22px;
  border: 1.5px solid var(--ink);
  border-radius: 1px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s, color 0.15s;
  box-shadow: 3px 3px 0 var(--ink);
}
.btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 3px 3px 0 var(--stamp-red);
}
.btn-primary:hover { box-shadow: 4px 4px 0 var(--stamp-red); }
.btn-primary:active { box-shadow: 1px 1px 0 var(--stamp-red); }

.btn-secondary {
  background: var(--paper);
  color: var(--ink);
}

.btn-warning {
  background: var(--stamp-red);
  color: var(--paper);
  border-color: var(--stamp-red-d);
  box-shadow: 3px 3px 0 var(--ink);
}
.btn-warning:hover { box-shadow: 4px 4px 0 var(--ink); }

.btn-danger {
  background: var(--stamp-red-d);
  color: var(--paper);
  border-color: var(--ink);
}

.btn-small { padding: 8px 14px; font-size: 0.74rem; width: auto; letter-spacing: 0.2em; }
.btn-large { padding: 16px 26px; font-size: 1rem; letter-spacing: 0.22em; }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: 2px 2px 0 var(--ink-faded) !important;
}

/* ---------- ROOM HEADER ---------- */
.room-header {
  text-align: left;
  margin-bottom: 22px;
  padding: 14px 16px;
  border: 1.5px solid var(--ink);
  border-left-width: 5px;
  background: rgba(255,255,255,0.18);
  position: relative;
}
.room-header::before {
  content: 'DOSSIER';
  position: absolute;
  top: -9px; left: 14px;
  background: var(--paper);
  padding: 0 6px;
  font-size: 0.6rem;
  letter-spacing: 0.36em;
  color: var(--ink-faded);
}
.room-header h2 { font-size: 1.15rem; }
.room-header h2 span {
  color: var(--stamp-red);
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  padding: 0 4px;
  background: rgba(139,26,26,0.08);
  border-bottom: 2px solid var(--stamp-red);
}

/* ---------- PLAYER LIST (lobby) ---------- */
.players-section { margin: 22px 0; }

.player-list { list-style: none; }

.player-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: rgba(255,255,255,0.22);
  border: 1px solid var(--ink-soft);
  border-left: 4px solid var(--olive);
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  animation: rowIn 0.35s ease-out backwards;
  position: relative;
}
.player-list li::before {
  content: counter(p, decimal-leading-zero) '  ';
  counter-increment: p;
  color: var(--ink-faded);
  font-family: var(--font-display);
  letter-spacing: 0.15em;
  font-size: 0.82rem;
  margin-right: 6px;
}
.player-list { counter-reset: p; }

.player-list li:nth-child(1) { animation-delay: 0.04s; }
.player-list li:nth-child(2) { animation-delay: 0.10s; }
.player-list li:nth-child(3) { animation-delay: 0.16s; }
.player-list li:nth-child(4) { animation-delay: 0.22s; }
.player-list li:nth-child(5) { animation-delay: 0.28s; }
.player-list li:nth-child(6) { animation-delay: 0.34s; }
.player-list li:nth-child(7) { animation-delay: 0.40s; }
.player-list li:nth-child(8) { animation-delay: 0.46s; }

@keyframes rowIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.player-list li.dead {
  color: var(--ink-faded);
  border-left-color: var(--stamp-red);
  background: repeating-linear-gradient(
    -45deg,
    rgba(139,26,26,0.08) 0 8px,
    transparent 8px 16px),
    rgba(255,255,255,0.12);
}
.player-list li.dead .player-name { text-decoration: line-through; }

.player-name {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* badges — look stamped */
.host-badge, .speaker-badge, .spy-badge {
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  padding: 3px 8px;
  border: 1.5px solid currentColor;
  text-transform: uppercase;
  transform: rotate(-2deg);
  display: inline-block;
}
.host-badge  { color: var(--accent-blue); background: rgba(37,57,94,0.06); }
.speaker-badge { color: var(--olive); background: rgba(107,106,58,0.08); transform: rotate(1.5deg); }
.spy-badge   { color: var(--stamp-red); background: rgba(139,26,26,0.08); transform: rotate(-3deg); }

.action-section { text-align: center; margin-top: 14px; }

/* ---------- GAME HEADER ---------- */
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 6px 0 14px;
  border-bottom: 1px dashed var(--ink-faded);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  color: var(--ink-soft);
}
.room-info span + span, .room-info span {
  color: var(--stamp-red);
}

/* ---------- HOST / SPEAKER CONTROL PANELS ---------- */
.host-controls, .speaker-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  padding: 14px;
  background: rgba(255,255,255,0.25);
  border: 1.5px dashed var(--ink-soft);
  position: relative;
}
.host-controls::before, .speaker-controls::before {
  position: absolute;
  top: -10px; left: 12px;
  background: var(--paper);
  padding: 0 8px;
  font-family: var(--font-display);
  font-size: 0.64rem;
  letter-spacing: 0.32em;
  color: var(--ink-soft);
}
.host-controls::before   { content: '— HANDLER —'; }
.speaker-controls::before{ content: '— ACTIVE AGENT —'; color: var(--stamp-red); }

.host-controls .btn, .speaker-controls .btn { flex: 1; }

/* ---------- WORD CARD — the centerpiece ---------- */
.word-section { text-align: center; margin-bottom: 24px; }

.word-card {
  position: relative;
  padding: 28px 20px 32px;
  margin-bottom: 12px;
  background: #f4ead0;
  border: 1px solid var(--paper-deep);
  box-shadow:
    inset 0 0 0 6px var(--paper),
    inset 0 0 0 7px var(--ink-soft),
    3px 4px 0 rgba(26,20,16,0.25);
  transform: rotate(-0.6deg);
  animation: cardSlam 0.55s cubic-bezier(0.2,0.9,0.2,1) both;
}
@keyframes cardSlam {
  0%   { opacity: 0; transform: rotate(6deg) scale(1.2); }
  100% { opacity: 1; transform: rotate(-0.6deg) scale(1); }
}

/* CLASSIFIED stamp */
.word-card::before {
  content: 'TOP SECRET';
  position: absolute;
  top: 12px; right: -6px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--stamp-red);
  border: 3px double var(--stamp-red);
  padding: 4px 10px;
  transform: rotate(8deg);
  opacity: 0.78;
  text-shadow: 0 0 0 transparent;
  background: rgba(255,255,255,0.15);
}

/* paperclip */
.word-card::after {
  content: '';
  position: absolute;
  top: -14px; left: 34px;
  width: 44px; height: 30px;
  border: 2.5px solid #8a8a92;
  border-radius: 14px 14px 4px 4px;
  border-bottom: none;
  background: linear-gradient(90deg, #b8b8bc 0%, #7d7d82 60%, #a8a8ac 100%);
  transform: rotate(-10deg);
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  clip-path: inset(-20% -20% 40% -20%);
}

.word-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.36em;
  color: var(--ink-faded);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.word-display {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin: 8px 0;
  /* typewriter underline */
  display: inline-block;
  padding: 0 10px 4px;
  border-bottom: 2px solid var(--ink);
}

.role-hint {
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--ink-faded);
  text-transform: uppercase;
}

/* ---------- CURRENT SPEAKER ---------- */
.speaker-section {
  position: relative;
  text-align: left;
  padding: 14px 18px;
  margin-bottom: 20px;
  background:
    linear-gradient(90deg, var(--stamp-red) 0 5px, transparent 5px),
    rgba(139,26,26,0.06);
  border: 1px solid var(--ink-soft);
}
.speaker-label {
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: var(--stamp-red);
  text-transform: uppercase;
}
.speaker-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink);
  margin-top: 2px;
}
.speaker-name::before { content: '▸ '; color: var(--stamp-red); font-style: normal; }

/* ---------- PLAYER GRID (game) ---------- */
.players-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}

.player-card {
  padding: 12px;
  background: rgba(255,255,255,0.3);
  border: 1px solid var(--ink-soft);
  border-top: 3px solid var(--olive);
  text-align: center;
  font-family: var(--font-body);
  transition: transform 0.15s;
}
.player-card:hover { transform: translateY(-2px); }

.player-card-name {
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.player-card-status {
  font-family: var(--font-display);
  font-size: 0.64rem;
  letter-spacing: 0.24em;
  color: var(--ink-faded);
  text-transform: uppercase;
}

.player-card.current-speaker {
  border-top-color: var(--stamp-red);
  background: #f4ead0;
  box-shadow: 3px 3px 0 var(--stamp-red);
  transform: rotate(-1deg);
}

.player-card.dead {
  background: repeating-linear-gradient(
    -45deg,
    rgba(26,20,16,0.08) 0 6px,
    transparent 6px 12px);
  color: var(--ink-faded);
  border-top-color: var(--ink-faded);
}
.player-card.dead .player-card-name {
  text-decoration: line-through;
  text-decoration-color: var(--stamp-red);
  text-decoration-thickness: 2px;
}

/* ---------- VOTE ---------- */
.vote-section { margin-bottom: 22px; }
.vote-section h3 { text-align: center; color: var(--stamp-red); letter-spacing: 0.42em; }

.vote-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.vote-btn {
  padding: 14px 10px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  font-family: var(--font-body);
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s;
  box-shadow: 2px 2px 0 var(--ink);
  text-align: center;
}
.vote-btn:hover {
  transform: translate(-1px,-1px);
  box-shadow: 3px 3px 0 var(--stamp-red);
}
.vote-btn.voted {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 2px 2px 0 var(--stamp-red);
}
.vote-btn-name { font-weight: 600; margin-bottom: 4px; letter-spacing: 0.03em; }
.vote-btn-count {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--ink-faded);
}
.vote-btn.voted .vote-btn-count { color: var(--paper-edge); }

/* ---------- RESULT & GAME OVER ---------- */
.vote-result {
  text-align: center;
  padding: 20px;
  margin-bottom: 22px;
  background: rgba(255,255,255,0.3);
  border: 1.5px solid var(--ink);
  position: relative;
  animation: stampIn 0.45s cubic-bezier(0.2,0.9,0.2,1) both;
}
.vote-result::before {
  content: 'VERDICT';
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 10px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--stamp-red);
}
.vote-result h3 {
  border: none; padding: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0.02em;
}
.vote-result p { color: var(--ink-faded); margin-top: 6px; }

@keyframes stampIn {
  0%   { opacity: 0; transform: scale(1.15) rotate(-3deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}

.game-over {
  position: relative;
  text-align: center;
  padding: 40px 24px 32px;
  margin-bottom: 22px;
  background: #f4ead0;
  border: 2.5px double var(--ink);
  animation: stampIn 0.6s cubic-bezier(0.2,0.9,0.2,1) both;
}
.game-over::before {
  content: 'CASE CLOSED';
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%) rotate(-3deg);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.3em;
  color: var(--stamp-red);
  border: 3px double var(--stamp-red);
  padding: 4px 14px;
  opacity: 0.85;
}
.game-over h2 {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2.1rem;
  color: var(--ink);
  letter-spacing: 0;
  margin-top: 14px;
}
.game-over p {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-top: 10px;
}

/* ---------- SCROLLBAR ---------- */
.screen::-webkit-scrollbar        { width: 8px; }
.screen::-webkit-scrollbar-track  { background: transparent; }
.screen::-webkit-scrollbar-thumb  { background: var(--ink-faded); border-radius: 0; }
.screen::-webkit-scrollbar-thumb:hover { background: var(--stamp-red); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 520px) {
  body { padding: 20px 10px; }
  .screen { padding: 36px 22px 28px; }
  h1 { font-size: 1.9rem; }
  .word-display { font-size: 2.2rem; }
  .players-grid, .vote-options { grid-template-columns: 1fr; }
  .host-controls, .speaker-controls { flex-direction: column; }
  .screen::after { display: none; }
}

/* focus states */
.btn:focus-visible,
.form-group input:focus-visible,
.vote-btn:focus-visible {
  outline: 2px solid var(--stamp-red);
  outline-offset: 3px;
}