/* Panzergruppe Guderian — situation-map aesthetic */
:root {
  --paper: #e8e0cc;
  --paper-dark: #d8cfb6;
  --ink: #2a2620;
  --grey: #4a5044;      /* German field grey */
  --grey-dark: #343830;
  --red: #8b3a2e;       /* Soviet brick red */
  --red-dark: #6e2c22;
  --accent: #7d6a45;
  --stamp: #a03024;
  --river: #5b7f99;
  --forest: #9aa583;
  --marsh: #a8ab8e;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--grey-dark);
  color: var(--ink);
  overflow: hidden;
}
button {
  font-family: Georgia, serif;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 7px 14px;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 0.04em;
}
button:hover { background: #f2ecd9; }
button:disabled { opacity: 0.4; cursor: default; }
button.primary { background: var(--grey); color: #f0ede2; border-color: var(--grey-dark); }
button.primary:hover { background: #59604f; }
button.danger { background: var(--red); color: #f0ede2; border-color: var(--red-dark); }
button.small { padding: 3px 9px; font-size: 12px; }

/* ---------------- title screen ---------------- */
#title-screen {
  position: fixed; inset: 0; z-index: 40;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.10), transparent 60%),
    var(--grey-dark);
  display: flex; align-items: center; justify-content: center;
}
#title-card {
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 0 12px 40px rgba(0,0,0,0.55), inset 0 0 60px rgba(120,100,60,0.12);
  padding: 42px 52px;
  max-width: 620px;
  text-align: center;
}
#title-card h1 {
  font-size: 34px; letter-spacing: 0.12em; text-transform: uppercase;
  border-bottom: 3px double var(--ink); padding-bottom: 12px; margin-bottom: 6px;
}
#title-card .sub {
  font-style: italic; color: #5a5342; margin-bottom: 22px; font-size: 15px;
}
#title-card .pick { margin: 18px 0 8px; font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase; color: #6a6250; }
#title-card .sides { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
#title-card .sides button { min-width: 150px; padding: 12px 16px; font-size: 15px; }
#resume-row { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(42,38,32,0.3); }
#storage-note { margin-top: 14px; font-size: 12px; color: #7a4a3a; font-style: italic; }

/* ---------------- layout ---------------- */
#app { display: none; height: 100%; }
#app.on { display: flex; flex-direction: column; }
#topbar {
  background: var(--grey); color: #eceadf;
  display: flex; align-items: center; gap: 14px;
  padding: 6px 12px; flex-wrap: wrap;
  border-bottom: 2px solid var(--grey-dark);
}
#topbar .t { font-size: 15px; letter-spacing: 0.08em; text-transform: uppercase; }
#topbar .d { font-style: italic; opacity: 0.85; font-size: 13px; }
#topbar .sp { flex: 1; }
#topbar .stat { font-size: 13px; background: rgba(0,0,0,0.22); padding: 3px 9px; border-radius: 2px; }
#main { flex: 1; display: flex; min-height: 0; }
#map-wrap { flex: 1; position: relative; background: var(--paper-dark); min-width: 0; }
#map { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: none; }
#map.panning { cursor: grabbing; }
#zoom-ctl { position: absolute; right: 10px; top: 10px; display: flex; flex-direction: column; gap: 4px; }
#zoom-ctl button { width: 34px; height: 34px; padding: 0; font-size: 18px; }

#side {
  width: 300px; background: var(--paper);
  border-left: 2px solid var(--grey-dark);
  display: flex; flex-direction: column; min-height: 0;
}
#phasebox { padding: 10px 12px; border-bottom: 1px solid rgba(42,38,32,0.25); }
#phasebox .ph { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px; }
#phasebox .who { font-weight: bold; }
#phasebox .row { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
#unitbox { padding: 10px 12px; border-bottom: 1px solid rgba(42,38,32,0.25); font-size: 13px; }
#unitbox .uname { font-weight: bold; font-size: 15px; }
#unitbox .warn { color: var(--stamp); font-style: italic; }
#actionbox { padding: 10px 12px; border-bottom: 1px solid rgba(42,38,32,0.25); }
#actionbox label { font-size: 13px; display: flex; align-items: center; gap: 6px; margin: 6px 0; }
#slips {
  flex: 1; overflow-y: auto; padding: 10px;
  background: repeating-linear-gradient(0deg, var(--paper), var(--paper) 28px, rgba(42,38,32,0.03) 29px);
}
.slip {
  background: #f4efdd;
  border: 1px solid rgba(42,38,32,0.45);
  box-shadow: 1px 2px 5px rgba(0,0,0,0.25);
  margin-bottom: 10px; padding: 9px 11px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px; line-height: 1.45;
  position: relative;
}
.slip .hd {
  letter-spacing: 0.16em; font-size: 10px;
  border-bottom: 1px dashed rgba(42,38,32,0.5);
  padding-bottom: 3px; margin-bottom: 5px;
}
.slip .stamp {
  display: inline-block; margin-top: 5px; padding: 2px 8px;
  border: 2px solid var(--stamp); color: var(--stamp);
  font-weight: bold; letter-spacing: 0.1em; font-size: 11px;
  transform: rotate(-2deg);
}
.slip .stamp.ok { border-color: #3f5a3a; color: #3f5a3a; }
.slip .rev { color: #5a3a86; }
.slip.reveal { background: #efe6f2; }
.slip.turnhd {
  background: var(--grey); color: #eceadf; text-align: center;
  letter-spacing: 0.2em; font-size: 11px; border-color: var(--grey-dark);
}
#gameover {
  position: fixed; inset: 0; z-index: 50; display: none;
  background: rgba(30,32,28,0.72);
  align-items: center; justify-content: center;
}
#gameover.on { display: flex; }
#gameover .card {
  background: var(--paper); border: 2px solid var(--ink);
  padding: 36px 48px; text-align: center; max-width: 540px;
  box-shadow: 0 14px 50px rgba(0,0,0,0.6);
}
#gameover h2 { font-size: 24px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px; }
#gameover .vp { font-size: 40px; margin: 8px 0 14px; font-family: 'Courier New', monospace; }
#toast {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  background: rgba(42,38,32,0.92); color: #f0ede2;
  padding: 8px 18px; font-size: 14px; border-radius: 2px;
  opacity: 0; transition: opacity 0.25s; pointer-events: none;
  max-width: 80%; text-align: center; z-index: 30;
}
#toast.on { opacity: 1; }

@media (max-width: 760px) {
  #side { width: 230px; }
  #topbar .d { display: none; }
}