/* =====================================================================
   V4 — "Die Ermittlungstafel"  ·  detective cork/evidence board
   ===================================================================== */
:root{
  --board:#211f1a; --board-2:#262420;
  --paper:#f4eedd; --paper-line:#d9cfb4;
  --manila:#e7d7a8; --sticky:#e9cf52; --sticky-red:#cf6b5a;
  --ink:#2a2419; --ink-soft:#5d5341;
  --red:#bb2d22; --string:#b3271d;
  --pin:#cf3327;
  --f-tw:"Special Elite","Courier New",monospace;
  --f-hw:"Caveat",cursive;
  --f-lab:"Oswald",sans-serif;
}
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; }
body{ background:var(--board); color:var(--paper); -webkit-font-smoothing:antialiased; }
img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; }

.back{
  position:fixed; top:.7rem; left:.8rem; z-index:30;
  font-family:var(--f-lab); text-transform:uppercase; letter-spacing:.12em; font-size:.7rem;
  background:#0d0c0a; color:var(--paper); padding:.45em .8em; text-decoration:none; border:1px solid rgba(255,255,255,.15);
}
.back:hover{ background:var(--red); }

.board{
  position:relative; min-height:100vh; overflow:hidden;
  padding:clamp(3rem,6vw,5rem) clamp(1rem,4vw,3.5rem) 4rem;
  background-color:var(--board);
  background-image:
    radial-gradient(110% 80% at 50% 0%, rgba(255,240,210,.06), transparent 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0.1 0 0 0 0 0.09 0 0 0 0 0.07 0 0 0 0.5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.board-vignette{ position:absolute; inset:0; pointer-events:none; box-shadow:inset 0 0 220px rgba(0,0,0,.7); }

/* decorative red strings */
.string{ position:absolute; height:2px; background:var(--string); opacity:.65; transform-origin:left center; z-index:1; box-shadow:0 0 4px rgba(0,0,0,.4); }
.string::before,.string::after{ content:""; position:absolute; width:8px; height:8px; border-radius:50%; background:var(--pin); top:-3px; box-shadow:0 1px 2px rgba(0,0,0,.5); }
.string::before{ left:-3px; } .string::after{ right:-3px; }
.s1{ top:24%; left:6%; width:36%; transform:rotate(13deg); }
.s2{ top:55%; left:40%; width:42%; transform:rotate(-9deg); }
.s3{ top:74%; left:10%; width:32%; transform:rotate(6deg); }
@media (max-width:760px){ .string{ display:none; } }

/* ---------- pinned look (shared) ---------- */
.pin{ position:relative; transform:rotate(var(--rot,0deg)); box-shadow:0 12px 26px -12px rgba(0,0,0,.75); transition:transform .2s, box-shadow .2s; }
.pin::before{ /* pushpin */
  content:""; position:absolute; top:-9px; left:50%; transform:translateX(-50%);
  width:16px; height:16px; border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #ff7b6e, var(--pin) 60%, #7d150d);
  box-shadow:0 3px 5px rgba(0,0,0,.55); z-index:5;
}
.pin:hover{ transform:rotate(0deg) scale(1.03); box-shadow:0 18px 36px -12px rgba(0,0,0,.85); z-index:9; }
.tape::after{ content:""; position:absolute; top:-12px; left:50%; transform:translateX(-50%) rotate(-4deg); width:84px; height:26px; background:rgba(228,222,196,.5); box-shadow:0 1px 3px rgba(0,0,0,.3); z-index:6; }
.tape::before{ display:none; } /* taped items use tape, not pin */

/* ---------- header file card ---------- */
.board-head{ position:relative; z-index:3; display:flex; justify-content:center; margin-bottom:clamp(2rem,4vw,3rem); }
.filecard{
  background:var(--manila); color:var(--ink); width:min(640px,94%);
  padding:1.6rem 1.8rem 1.8rem; text-align:center; border:1px solid rgba(42,36,25,.25);
}
.stamp{
  display:inline-block; font-family:var(--f-lab); text-transform:uppercase; letter-spacing:.22em;
  font-size:.72rem; color:var(--red); border:2px solid var(--red); padding:.25em .7em;
  transform:rotate(-4deg); opacity:.85; margin-bottom:.7rem;
}
.fc-no{ font-family:var(--f-tw); font-size:.84rem; letter-spacing:.06em; color:var(--ink-soft); }
.fc-title{ font-family:var(--f-hw); font-weight:700; font-size:clamp(3rem,9vw,5.5rem); line-height:.9; margin:.1rem 0 .25rem; color:var(--red); }
.fc-sub{ font-family:var(--f-tw); font-size:.82rem; color:var(--ink-soft); }

/* ---------- items board (masonry) ---------- */
.items{ position:relative; z-index:3; column-count:4; column-gap:clamp(1rem,2vw,1.7rem); max-width:1200px; margin:0 auto; }
@media (max-width:1100px){ .items{ column-count:3; } }
@media (max-width:760px){ .items{ column-count:2; } }
@media (max-width:480px){ .items{ column-count:1; max-width:340px; } }
.item{ break-inside:avoid; margin:0 auto clamp(1.6rem,3vw,2.4rem); }

/* polaroid */
.polaroid{ background:var(--paper); padding:.55rem .55rem 0; width:100%; }
.polaroid img{ width:100%; filter:saturate(.95); }
.polaroid figcaption{ font-family:var(--f-hw); font-weight:600; font-size:1.32rem; color:var(--ink); text-align:center; padding:.35rem .2rem .7rem; line-height:1; }

/* index card */
.card{
  background:var(--paper); color:var(--ink); padding:1.1rem 1.2rem 1.2rem; width:100%;
  background-image:repeating-linear-gradient(var(--paper) 0 1.7rem, var(--paper-line) 1.7rem calc(1.7rem + 1px));
  background-position:0 2.4rem;
}
.card-h{ font-family:var(--f-hw); font-weight:700; font-size:1.7rem; color:var(--red); margin-bottom:.3rem; line-height:1; }
.tw{ font-family:var(--f-tw); font-size:.9rem; line-height:1.5; color:var(--ink); }
.tw.small{ font-size:.78rem; color:var(--ink-soft); margin-top:.5rem; }
.tw-list{ list-style:none; } .tw-list li{ padding:.12rem 0; }

/* sticky note */
.sticky{ background:var(--sticky); color:#3a2f12; width:100%; padding:1.3rem 1.1rem; box-shadow:0 12px 22px -12px rgba(0,0,0,.7); }
.sticky--red{ background:var(--sticky-red); color:#3a140e; }
.sticky .hw{ font-family:var(--f-hw); font-weight:700; font-size:1.5rem; line-height:1.05; text-align:center; }

/* ---------- footer ---------- */
.board-foot{ position:relative; z-index:3; text-align:center; margin-top:clamp(2rem,4vw,3.5rem); }
.board-foot span{ font-family:var(--f-tw); font-size:.82rem; letter-spacing:.05em; color:rgba(244,238,221,.6); border-top:1px dashed rgba(244,238,221,.25); padding-top:1rem; display:inline-block; }

/* ---------- viewer ---------- */
.viewer{ position:fixed; inset:0; z-index:100; display:flex; align-items:center; justify-content:center; background:rgba(10,9,7,.93); padding:clamp(1rem,5vw,3rem); cursor:zoom-out; opacity:0; transition:opacity .25s; }
.viewer.open{ opacity:1; } .viewer[hidden]{ display:none; }
.viewer img{ max-width:100%; max-height:90vh; background:var(--paper); padding:.7rem .7rem 2.2rem; box-shadow:0 20px 60px -20px #000; }
@media (prefers-reduced-motion: reduce){ .pin,.pin:hover{ transition:none; } }