/* ==========================================================================
   MÜHLE – Stylesheet
   zwei Farbwelten (nacht / tag), responsives Dreispaltraster
   ========================================================================== */

[data-theme='nacht'] {
  --bg-0: #05080c;
  --bg-1: #0a1119;
  --bg-2: #101a24;
  --panel: rgba(18, 28, 39, 0.72);
  --panel-line: rgba(148, 187, 222, 0.14);
  --panel-glow: rgba(120, 200, 255, 0.12);
  --ink: #e8f1f8;
  --ink-soft: #9fb3c4;
  --ink-dim: #6d8294;
  --accent: #7fd8ff;
  --gold: #f2cf86;
  --danger: #ff7b7b;
  --btn: rgba(22, 34, 46, 0.9);
  --btn-hover: rgba(34, 51, 68, 0.95);
  --btn-line: rgba(160, 200, 235, 0.18);
  --frame-a: #1b2732;
  --frame-b: #060b11;
  --shadow: rgba(0, 0, 0, 0.6);
  --chip-dark: radial-gradient(circle at 32% 28%, #93a8c2, #2a3644 42%, #05080c 96%);
  --chip-light: radial-gradient(circle at 32% 28%, #fffdf6, #ded6c4 45%, #867e6d 96%);
}

[data-theme='tag'] {
  --bg-0: #e6d5b8;
  --bg-1: #f0e2c8;
  --bg-2: #f7ecd8;
  --panel: rgba(255, 249, 236, 0.78);
  --panel-line: rgba(105, 74, 42, 0.18);
  --panel-glow: rgba(190, 130, 50, 0.14);
  --ink: #33241a;
  --ink-soft: #6a523b;
  --ink-dim: #8b7257;
  --accent: #1d6f9c;
  --gold: #a8741d;
  --danger: #b4322e;
  --btn: rgba(255, 250, 238, 0.9);
  --btn-hover: #fffaf0;
  --btn-line: rgba(105, 74, 42, 0.24);
  --frame-a: #d8bd95;
  --frame-b: #a17f52;
  --shadow: rgba(90, 60, 30, 0.28);
  --chip-dark: radial-gradient(circle at 32% 28%, #b08e63, #3c2a1a 44%, #0d0805 96%);
  --chip-light: radial-gradient(circle at 32% 28%, #fffaf0, #e6d3b2 46%, #9c8158 96%);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font: 400 15px/1.55 ui-sans-serif, "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 800px at 12% -10%, var(--panel-glow), transparent 60%),
    radial-gradient(1000px 700px at 105% 105%, var(--panel-glow), transparent 55%),
    linear-gradient(160deg, var(--bg-1), var(--bg-0) 60%, var(--bg-2));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.app {
  min-height: 100%;
  max-width: 1420px;
  margin: 0 auto;
  padding: clamp(14px, 2.4vw, 30px) clamp(14px, 2.6vw, 34px) 18px;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.6vw, 22px);
}

/* ------------------------------------------------------------- Kopfzeile */

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand__mark {
  width: clamp(42px, 5vw, 58px);
  height: clamp(42px, 5vw, 58px);
  fill: none;
  stroke: var(--gold);
  stroke-width: 2.4;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.35));
}

.brand__text h1 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
}

.brand__sub {
  margin: 3px 0 0;
  color: var(--ink-dim);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
}

.controls { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }

.field { display: flex; flex-direction: column; gap: 4px; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); }

select, .btn {
  font: inherit;
  color: var(--ink);
  background: var(--btn);
  border: 1px solid var(--btn-line);
  border-radius: 10px;
  padding: 8px 11px;
  cursor: pointer;
  transition: transform 0.14s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

select { appearance: none; padding-right: 27px; font-size: 13.5px; background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%); background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

.btn { letter-spacing: 0.03em; font-size: 14px; }

.buttons { display: flex; gap: 6px; flex-wrap: wrap; }

.btn:hover, select:hover { background: var(--btn-hover); border-color: var(--accent); box-shadow: 0 6px 18px var(--shadow); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn:focus-visible, select:focus-visible, canvas:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn--primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 26%, var(--btn)), var(--btn));
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  font-weight: 600;
}

.btn--icon { width: 38px; text-align: center; padding-inline: 0; font-size: 15px; }
.btn[aria-pressed='false'] { opacity: 0.5; }
.btn:disabled { opacity: 0.38; cursor: not-allowed; }

/* --------------------------------------------------------------- Bühne */

.stage {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(210px, 260px) minmax(320px, 1fr) minmax(210px, 300px);
  gap: clamp(12px, 1.8vw, 26px);
  align-items: start;
}

.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 16px;
  padding: 16px 16px 14px;
  box-shadow: 0 18px 40px -22px var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(7px);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.panel--active { border-color: color-mix(in srgb, var(--accent) 60%, transparent); box-shadow: 0 18px 46px -20px var(--shadow), 0 0 0 1px color-mix(in srgb, var(--accent) 26%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.06); }
.panel--won { border-color: var(--gold); box-shadow: 0 18px 46px -18px var(--shadow), 0 0 0 1px color-mix(in srgb, var(--gold) 50%, transparent); }

.panel__head { display: flex; align-items: center; gap: 12px; }

.stone-chip {
  width: 34px; height: 34px; border-radius: 50%;
  box-shadow: 0 4px 10px -2px var(--shadow), inset 0 -3px 6px rgba(0, 0, 0, 0.35);
  flex: none;
}
.stone-chip--dark { background: var(--chip-dark); }
.stone-chip--light { background: var(--chip-light); }

.panel__name { margin: 0; font-size: 17px; letter-spacing: 0.06em; }
.panel__who { margin: 1px 0 0; font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); }

.panel__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; margin: 14px 0 0; }
.panel__stats > div { background: color-mix(in srgb, var(--bg-0) 45%, transparent); border: 1px solid var(--panel-line); border-radius: 10px; padding: 6px 9px; }
.panel__stats dt { font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); }
.panel__stats dd { margin: 2px 0 0; font-variant-numeric: tabular-nums; font-size: 15px; }

.hand { display: inline-flex; gap: 3px; align-items: center; height: 15px; }
.hand i { width: 9px; height: 9px; border-radius: 50%; box-shadow: inset 0 -1px 2px rgba(0,0,0,.4); }
.hand--dark i { background: var(--chip-dark); }
.hand--light i { background: var(--chip-light); }
.hand em { font-style: normal; color: var(--ink-dim); font-size: 13px; }

.panel__flag { min-height: 20px; margin: 12px 0 0; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.panel__flag--think::after { content: '…'; animation: dots 1.1s steps(3, end) infinite; }
@keyframes dots { 0% { opacity: 0.2 } 50% { opacity: 1 } 100% { opacity: 0.2 } }

/* ------------------------------------------------------------------- Board */

.arena { display: flex; flex-direction: column; align-items: center; gap: 14px; min-width: 0; }

.board-shell { width: 100%; display: flex; justify-content: center; }

.board-frame {
  position: relative;
  padding: clamp(6px, 1vw, 14px);
  border-radius: 26px;
  background: linear-gradient(150deg, var(--frame-a), var(--frame-b));
  box-shadow: 0 30px 70px -30px var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.16);
  max-width: 100%;
}

#board { display: block; border-radius: 20px; touch-action: manipulation; }

.banner {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(0.72);
  padding: 10px 26px;
  border-radius: 999px;
  background: rgba(6, 10, 14, 0.66);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  text-shadow: 0 0 22px rgba(255, 210, 120, 0.6);
  backdrop-filter: blur(3px);
}
.banner.is-on { animation: banner-pop 1.5s cubic-bezier(0.16, 0.9, 0.2, 1) forwards; }
@keyframes banner-pop {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.6); }
  18% { opacity: 1; transform: translate(-50%, -50%) scale(1.04); }
  70% { opacity: 1; transform: translate(-50%, -52%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -58%) scale(1.02); }
}

.loader { position: absolute; right: 18px; bottom: 16px; display: flex; gap: 5px; }
.loader span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); opacity: 0.35; animation: bounce 1s infinite ease-in-out; }
.loader span:nth-child(2) { animation-delay: 0.14s; }
.loader span:nth-child(3) { animation-delay: 0.28s; }
@keyframes bounce { 0%, 100% { opacity: 0.25; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-5px); } }

.hud { text-align: center; min-height: 3.6em; }
.hud__status { margin: 0; font-size: clamp(15px, 2vw, 19px); letter-spacing: 0.02em; }
.hud__status strong { color: var(--accent); font-weight: 600; }
.hud__note { margin: 4px 0 0; font-size: 12.5px; color: var(--ink-dim); letter-spacing: 0.04em; }
.hud__status--win { color: var(--gold); }

.legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; font-size: 11.5px; color: var(--ink-dim); letter-spacing: 0.05em; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid; display: inline-block; }
.dot--target { border-color: var(--accent); opacity: 0.8; }
.dot--select { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 30%, transparent); }
.dot--mill { border-color: var(--gold); background: color-mix(in srgb, var(--gold) 35%, transparent); }
.dot--danger { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 28%, transparent); }

/* --------------------------------------------------------------- Protokoll */

.logbox { margin-top: 18px; border-top: 1px solid var(--panel-line); padding-top: 12px; }
.logbox__title { margin: 0 0 8px; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-dim); font-weight: 600; }

.log {
  list-style: none;
  margin: 0;
  padding: 0 4px 0 0;
  max-height: 250px;
  overflow-y: auto;
  scrollbar-width: thin;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}
.log li { display: flex; gap: 8px; padding: 3px 0; border-bottom: 1px dashed color-mix(in srgb, var(--panel-line) 70%, transparent); color: var(--ink-soft); }
.log li:last-child { color: var(--ink); }
.log b { min-width: 22px; text-align: right; color: var(--ink-dim); font-weight: 500; }
.log .who { font-weight: 600; }
.log .who--dark { color: var(--ink); }
.log .who--light { color: var(--accent); }
.log .cap { color: var(--danger); }
.log .mill { color: var(--gold); }

/* ---------------------------------------------------------------- Fußnote */

.footline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11.5px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--panel-line);
  padding-top: 10px;
}

/* ---------------------------------------------------------------- Dialog */

.rules {
  width: min(680px, 92vw);
  border: 1px solid var(--panel-line);
  border-radius: 18px;
  background: linear-gradient(170deg, var(--bg-2), var(--bg-1));
  color: var(--ink);
  padding: 26px 28px 22px;
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.7);
}
.rules::backdrop { background: rgba(3, 6, 10, 0.66); backdrop-filter: blur(4px); }
.rules h2 { margin: 0 0 14px; font-family: "Iowan Old Style", Palatino, Georgia, serif; letter-spacing: 0.1em; font-weight: 600; }
.rules__body { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px 22px; }
.rules h3 { margin: 0 0 4px; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }
.rules p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }
.rules form { margin-top: 20px; text-align: right; }

/* --------------------------------------------------------------- Responsiv */

@media (max-width: 1080px) {
  .stage { grid-template-columns: 1fr 1fr; }
  .arena { grid-column: 1 / -1; order: -1; }
  .log { max-height: 170px; }
}

@media (max-width: 640px) {
  .stage { grid-template-columns: 1fr; }
  .masthead { align-items: flex-start; }
  .controls { width: 100%; }
  .footline__keys { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}