/* ===========================================================================
   aMaze — paleta "papir / mastilo"
   Dnevni režim (default) i noćni režim preko :root[data-theme="night"].
   =========================================================================== */
:root {
  /* --- Dnevni režim --- */
  --paper:  #EFE9DA;   /* pozadina */
  --ink:    #2A2622;   /* tekst, borderi, CTA */
  --muted:  #6B6358;   /* sekundarni tekst */
  --chrome: #F5F2EA;   /* podloge kartica/panela */
  --chip:   #D8CFBB;   /* čip / prazno polje table */

  /* Brend (Terminia) — prava boja povučena sa terminia.net */
  --brand:        #0F6E56;   /* primarna zelena */
  --brand-dark:   #085041;
  --brand-light:  #E1F5EE;
  --brand-accent: #5DCAA5;

  /* Akcenti izvedeni iz brenda */
  --paint:        #6FC3A1;   /* obojeno polje — meki zeleni "premaz" */
  --paint-strong: #0F6E56;
  --ball:         #0F6E56;    /* loptica — brend zelena */
  --ball-hi:      #F3F7F4;
  --green:        #0F6E56;    /* pobeda */

  --shadow: rgba(42, 38, 34, 0.28);      /* ink @ 28% */

  /* Semantičke promenljive koje koristi ostatak stila */
  --bg:       var(--paper);
  --text:     var(--ink);
  --panel:    var(--chrome);
  --border:   var(--ink);
  --border-soft: color-mix(in srgb, var(--ink) 16%, transparent);
  --floor:    var(--chip);
  --block:    var(--ink);
  --cta-bg:   var(--brand);
  --cta-text: #FFFFFF;

  --radius: 14px;
  --cell-gap: 3px;
}

:root[data-theme="night"] {
  /* --- Noćni režim --- */
  --paper:  #1A1F26;   /* navy pozadina */
  --ink:    #D8D1BD;   /* krem — tekst/borderi */
  --muted:  #8A8473;
  --chrome: #0A0C10;   /* bezel — kartice/skener */
  --chip:   #2A3037;   /* izvedeno prazno polje */

  --brand-accent: #5DCAA5;
  --paint:        #3E9E7E;    /* obojeno polje — svetlija zelena na tamnom */
  --paint-strong: #5DCAA5;
  --ball:         #5DCAA5;    /* loptica — svetla brend zelena */
  --ball-hi:      #F3F7F4;
  --green:        #5DCAA5;

  --shadow: rgba(0, 0, 0, 0.5);

  --border-soft: color-mix(in srgb, var(--ink) 20%, transparent);
  --block:    var(--chrome);           /* zid = bezel (najtamnije) */
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  overscroll-behavior: none;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  user-select: none;
  -webkit-user-select: none;
  transition: background .25s ease, color .25s ease;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  padding-top: max(12px, env(safe-area-inset-top));
  background: var(--panel);
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 {
  font-size: 20px;
  margin: 0;
  letter-spacing: 1px;
  font-weight: 800;
  color: var(--ink);
}
.brand-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--ball-hi), var(--ball) 78%);
  box-shadow: 0 1px 3px var(--shadow);
}

.controls { display: flex; align-items: center; gap: 8px; }
.field { display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--muted); }
.field select {
  appearance: none;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 14px;
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .06s ease, background .15s ease, opacity .15s ease;
}
.btn:hover { background: var(--chip); }
.btn:active { transform: scale(0.96); }
.btn:disabled { opacity: 0.35; cursor: default; }
.btn-primary {
  background: var(--cta-bg);
  border: 1px solid var(--cta-bg);
  color: var(--cta-text);
}
.btn-primary:hover { background: var(--cta-bg); opacity: 0.88; }
.btn-round {
  width: 40px; height: 40px; padding: 0; font-size: 18px; line-height: 1;
  display: grid; place-items: center;
}

/* ---------- Stage ---------- */
.stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 14px;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}

.hud { display: flex; gap: 10px; width: 100%; }
.stat {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  box-shadow: 0 2px 6px var(--shadow);
}
.stat-k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-v { font-size: 20px; font-weight: 800; color: var(--ink); }

/* ---------- Board ---------- */
.board-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 62vh;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  place-items: center;
  touch-action: none;
  box-shadow: 0 4px 14px var(--shadow);
}

.board-wrap {
  transform-origin: center center;
  transition: transform .12s ease;
  will-change: transform;
  display: grid;
  place-items: center;
  padding: 10px;
}

.board {
  display: grid;
  gap: var(--cell-gap);
  background: color-mix(in srgb, var(--ink) 12%, transparent);
  padding: var(--cell-gap);
  border-radius: 10px;
}

.cell {
  position: relative;
  border-radius: 6px;
  background: var(--floor);
  box-shadow: inset 0 0 0 1px var(--border-soft);
  transition: background .18s ease;
}
.cell.block {
  background: var(--block);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ink) 25%, transparent);
}
.cell.painted {
  background: var(--paint);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--paint-strong) 55%, transparent);
}
.cell.start::after {
  content: "";
  position: absolute;
  inset: 26%;
  border-radius: 50%;
  border: 2px dashed color-mix(in srgb, var(--ink) 45%, transparent);
}

.ball {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--ball-hi), var(--ball) 76%);
  box-shadow: 0 2px 6px var(--shadow), inset 0 -2px 5px rgba(0,0,0,0.25);
  z-index: 3;
  transition: left .12s linear, top .12s linear;
  pointer-events: none;
}

/* ---------- Overlay ---------- */
.overlay {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(3px);
  display: grid;
  place-items: center;
  z-index: 10;
  transition: opacity .2s ease;
}
.overlay.hidden { opacity: 0; pointer-events: none; }
.overlay-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 26px 30px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 16px 40px var(--shadow);
}
.overlay-text { font-size: 20px; font-weight: 800; color: var(--ink); }
.overlay-text.win { color: var(--green); }
.spinner {
  width: 34px; height: 34px;
  border: 3px solid var(--border-soft);
  border-top-color: var(--ball);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  flex-wrap: wrap;
}
.tool-group { display: flex; align-items: center; gap: 8px; }
.zoom-label { font-size: 13px; color: var(--muted); min-width: 46px; text-align: center; font-variant-numeric: tabular-nums; }

.hint {
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
  margin: 2px 0 8px;
  max-width: 480px;
  line-height: 1.5;
}

/* ---------- Share modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: color-mix(in srgb, var(--ink) 55%, transparent);
  backdrop-filter: blur(4px);
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 340px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px 22px 22px;
  text-align: center;
  box-shadow: 0 20px 50px var(--shadow);
}
.modal-close {
  position: absolute;
  top: 10px; right: 12px;
  width: 32px; height: 32px;
  border: none; background: transparent;
  color: var(--muted);
  font-size: 18px; cursor: pointer; border-radius: 8px;
}
.modal-close:hover { background: var(--chip); color: var(--ink); }
.modal-title { margin: 0 0 4px; font-size: 20px; color: var(--ink); }
.modal-sub { margin: 0 0 16px; font-size: 13px; color: var(--muted); line-height: 1.5; }
.qr-box {
  background: #fff;               /* uvek beli okvir da QR skenira i u noćnom režimu */
  padding: 12px;
  border-radius: 14px;
  display: inline-block;
  box-shadow: 0 2px 8px var(--shadow);
}
.qr-img { display: block; width: 200px; height: 200px; image-rendering: pixelated; }
.share-url {
  margin: 16px 0 14px;
  font-size: 13px;
  color: var(--muted);
  word-break: break-all;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
}
.share-actions { display: flex; gap: 10px; justify-content: center; }

.hidden { display: none !important; }

@media (max-width: 480px) {
  .brand h1 { font-size: 18px; }
  .field span { display: none; }
  .stat-v { font-size: 18px; }
  .board-viewport { max-height: 56vh; }
}