/* ============================================================
   style.css - Stilovi REGNUM 3D
   Srednjovekovni tamni UI: drvo + zlatni akcenti
   Sekcije:
     1. Osnovno / ekrani
     2. Auth ekran (prijava/registracija)
     3. Ekran izbora naroda
     4. HUD (resursi, naziv, donja traka)
     5. Kontekstni panel
     6. Toast obaveštenja
     7. Dugmad i forme
   ============================================================ */

/* ---------- 1. Osnovno ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --wood-dark: #2b1d12;
  --wood-mid: #4a3521;
  --wood-light: #6b4e2e;
  --gold: #d4af37;
  --gold-dim: #a8862a;
  --parchment: #e8d5a3;
  --danger: #c0392b;
  --ok: #27ae60;
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: 'Georgia', 'Times New Roman', serif;
  background: #0d0a07;
  color: var(--parchment);
}

.screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
}

.hidden { display: none !important; }
.muted { opacity: 0.6; font-size: 0.85em; }
.error {
  margin-top: 14px; padding: 10px;
  background: rgba(192, 57, 43, 0.2);
  border: 1px solid var(--danger);
  border-radius: 6px; color: #ff9c8f;
  text-align: center; font-size: 0.9em;
}

/* ---------- 2. Auth ekran ---------- */
#screen-auth {
  background:
    radial-gradient(ellipse at 30% 20%, rgba(212, 175, 55, 0.08), transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(142, 47, 47, 0.1), transparent 50%),
    linear-gradient(160deg, #1a120b 0%, #0d0a07 60%, #120d08 100%);
}

.auth-box {
  width: 380px;
  background: linear-gradient(180deg, rgba(74, 53, 33, 0.55), rgba(43, 29, 18, 0.85));
  border: 2px solid var(--wood-light);
  border-radius: 12px;
  padding: 36px 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.7), inset 0 1px 0 rgba(212,175,55,0.15);
  text-align: center;
  animation: fadeUp 0.5s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.logo {
  font-size: 2.6em; letter-spacing: 6px; color: var(--gold);
  text-shadow: 0 0 24px rgba(212,175,55,0.35);
}
.logo span { color: var(--parchment); font-size: 0.55em; vertical-align: super; letter-spacing: 2px; }
.tagline { margin: 6px 0 24px; opacity: 0.65; font-style: italic; }

.tabs { display: flex; gap: 6px; margin-bottom: 18px; }
.tab {
  flex: 1; padding: 10px; cursor: pointer;
  background: rgba(0,0,0,0.3); color: var(--parchment);
  border: 1px solid var(--wood-light); border-radius: 6px;
  font-family: inherit; font-size: 0.95em;
  transition: all 0.2s;
}
.tab.active { background: var(--wood-light); border-color: var(--gold-dim); color: #fff; }

.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form input {
  padding: 12px 14px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--wood-light); border-radius: 6px;
  color: var(--parchment); font-family: inherit; font-size: 1em;
  outline: none; transition: border-color 0.2s;
}
.auth-form input:focus { border-color: var(--gold-dim); }

/* ---------- 3. Izbor naroda ---------- */
#screen-tribe {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.07), transparent 55%),
    linear-gradient(160deg, #1a120b 0%, #0d0a07 70%);
}

.tribe-box {
  width: 640px; max-width: 94vw;
  background: linear-gradient(180deg, rgba(74, 53, 33, 0.5), rgba(43, 29, 18, 0.85));
  border: 2px solid var(--wood-light); border-radius: 12px;
  padding: 30px 34px; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.7);
  animation: fadeUp 0.5s ease;
}
.tribe-box h2 { color: var(--gold); margin-bottom: 4px; }
.tribe-box .subtitle { margin-bottom: 22px; opacity: 0.7; }

.tribe-cards { display: flex; gap: 18px; justify-content: center; margin-bottom: 24px; }

.tribe-card {
  width: 240px; padding: 20px 16px; cursor: pointer;
  background: rgba(0,0,0,0.35);
  border: 2px solid var(--wood-light); border-radius: 10px;
  transition: all 0.25s;
}
.tribe-card:hover { transform: translateY(-4px); border-color: var(--gold-dim); }
.tribe-card.selected {
  border-color: var(--gold);
  box-shadow: 0 0 24px rgba(212,175,55,0.25), inset 0 0 30px rgba(212,175,55,0.06);
  transform: translateY(-4px);
}
.tribe-card h3 { margin: 10px 0 8px; color: var(--gold); }
.tribe-card ul { list-style: none; font-size: 0.85em; opacity: 0.8; }
.tribe-card li { padding: 2px 0; }
.tribe-emblem { height: 110px; display: flex; align-items: center; justify-content: center; }

.village-name-row { display: flex; gap: 10px; }
.village-name-row input {
  flex: 1; padding: 12px 14px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--wood-light); border-radius: 6px;
  color: var(--parchment); font-family: inherit; font-size: 1em; outline: none;
}
.village-name-row input:focus { border-color: var(--gold-dim); }

/* ---------- 4. HUD ---------- */
#screen-game { background: #000; }
#game-canvas { width: 100%; height: 100%; display: block; outline: none; }

#hud-top {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; gap: 8px; justify-content: center;
  padding: 10px;
  background: linear-gradient(180deg, rgba(20, 13, 7, 0.92), rgba(20, 13, 7, 0.55) 80%, transparent);
  pointer-events: none;
}

.res-item {
  display: flex; align-items: center; gap: 7px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(107, 78, 46, 0.7);
  border-radius: 20px; padding: 5px 14px;
  font-size: 0.95em; min-width: 92px;
}
.res-val { font-variant-numeric: tabular-nums; }

.res-icon { width: 14px; height: 14px; border-radius: 3px; display: inline-block; }
.icon-wood { background: #4a7c2f; }
.icon-clay { background: #b06a3b; }
.icon-iron { background: #8b9299; }
.icon-crop { background: #d8b23a; }
.icon-food { background: #e07030; border-radius: 50%; }
.icon-pop  { background: #7a5ea6; border-radius: 50%; }

#hud-title {
  position: absolute; top: 52px; left: 14px;
  background: rgba(0,0,0,0.5); border: 1px solid rgba(107,78,46,0.6);
  border-radius: 8px; padding: 8px 14px;
  display: flex; align-items: center; gap: 12px;
}
#hud-village-name { color: var(--gold); font-size: 1.05em; }

#hud-bottom {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; gap: 8px; justify-content: center;
  padding: 12px;
  background: linear-gradient(0deg, rgba(20, 13, 7, 0.92), rgba(20, 13, 7, 0.55) 80%, transparent);
}

.btn-nav {
  padding: 10px 22px; font-size: 1em;
  background: linear-gradient(180deg, var(--wood-light), var(--wood-mid));
  border: 1px solid var(--gold-dim); border-radius: 8px;
  color: var(--parchment); font-family: inherit; cursor: pointer;
  transition: all 0.2s;
}
.btn-nav:hover { filter: brightness(1.25); transform: translateY(-2px); }
.btn-nav.active { background: linear-gradient(180deg, #8a6a3a, var(--wood-light)); box-shadow: 0 0 14px rgba(212,175,55,0.3); }

/* ---------- 5. Kontekstni panel ---------- */
#panel {
  position: absolute; top: 100px; right: 14px; bottom: 70px;
  width: 320px;
  background: linear-gradient(180deg, rgba(43, 29, 18, 0.96), rgba(26, 18, 11, 0.96));
  border: 2px solid var(--wood-light); border-radius: 10px;
  padding: 18px; overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  animation: slideIn 0.25s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
.panel-close {
  position: absolute; top: 8px; right: 12px;
  background: none; border: none; color: var(--parchment);
  font-size: 1.6em; cursor: pointer; opacity: 0.6;
}
.panel-close:hover { opacity: 1; }

.panel-title { color: var(--gold); font-size: 1.2em; margin-bottom: 4px; }
.panel-level { opacity: 0.7; font-size: 0.9em; margin-bottom: 12px; }
.panel-desc { font-size: 0.88em; opacity: 0.85; margin-bottom: 14px; line-height: 1.45; }

.cost-row {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px;
}
.cost-chip {
  display: flex; align-items: center; gap: 5px;
  background: rgba(0,0,0,0.4); border-radius: 12px;
  padding: 3px 10px; font-size: 0.85em;
}
.cost-chip.lack { color: #ff8a7a; border: 1px solid rgba(192,57,43,0.6); }

.progress-wrap {
  height: 10px; background: rgba(0,0,0,0.5);
  border-radius: 5px; overflow: hidden; margin: 8px 0 4px;
  border: 1px solid rgba(107,78,46,0.5);
}
.progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--gold-dim), var(--gold));
  transition: width 0.4s linear;
}
.progress-label { font-size: 0.8em; opacity: 0.7; text-align: right; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 14px; }
.stat-cell { background: rgba(0,0,0,0.35); border-radius: 6px; padding: 8px; font-size: 0.85em; }
.stat-cell b { display: block; color: var(--gold); font-size: 1.15em; }

.unit-row {
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,0.35); border-radius: 8px;
  padding: 10px; margin-bottom: 10px;
}
.unit-icon { width: 34px; height: 34px; border-radius: 6px; flex-shrink: 0; }
.unit-icon.inf { background: linear-gradient(135deg, #8e2f2f, #5a1d1d); }
.unit-icon.cav { background: linear-gradient(135deg, #2f5e3a, #1d3a24); }
.unit-info { flex: 1; font-size: 0.85em; }
.unit-info b { color: var(--gold); }

/* ---------- 6. Toast ---------- */
#toasts {
  position: absolute; bottom: 76px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none; z-index: 50;
}
.toast {
  background: rgba(20, 13, 7, 0.95);
  border: 1px solid var(--gold-dim); border-radius: 8px;
  padding: 10px 22px; font-size: 0.95em;
  animation: toastIn 0.3s ease, toastOut 0.4s ease 3.2s forwards;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}
.toast.ok { border-color: var(--ok); }
.toast.err { border-color: var(--danger); }
@keyframes toastIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-10px); } }

#attack-banner {
  position: absolute; top: 110px; left: 50%; transform: translateX(-50%);
  background: rgba(142, 47, 47, 0.9); border: 1px solid var(--gold-dim);
  border-radius: 8px; padding: 10px 20px; font-size: 0.95em;
  animation: pulse 1.5s ease infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.75; } }

/* ---------- 7. Dugmad ---------- */
.btn {
  padding: 11px 20px; cursor: pointer;
  font-family: inherit; font-size: 0.95em;
  border-radius: 6px; border: 1px solid var(--wood-light);
  background: var(--wood-mid); color: var(--parchment);
  transition: all 0.2s;
}
.btn:hover { filter: brightness(1.2); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; filter: none; }
.btn-primary {
  background: linear-gradient(180deg, var(--gold-dim), #7a5f1d);
  border-color: var(--gold); color: #fff; font-weight: bold;
}
.btn-small { padding: 5px 12px; font-size: 0.8em; }
.btn-danger { background: linear-gradient(180deg, #8e2f2f, #5a1d1d); border-color: #c0392b; }
.btn-block { width: 100%; }

/* Skrol traka u panelu */
#panel::-webkit-scrollbar { width: 8px; }
#panel::-webkit-scrollbar-thumb { background: var(--wood-light); border-radius: 4px; }
#panel::-webkit-scrollbar-track { background: rgba(0,0,0,0.3); }