/* ============================================================
   Страж — UI оболонка (меню, завантаження)
   ============================================================ */

:root {
  --steam-bg-0: #1a1f14;
  --steam-bg-1: #242b18;
  --steam-bg-2: #2e3620;
  --steam-accent: #7eb33c;
  --steam-accent-2: #c9d199;
  --steam-gold: #ffd84d;
  --steam-gold-dim: #9a7b28;
  --steam-text: #e6edc1;
  --steam-muted: #b8be9a;
  --steam-danger: #e85040;
  --steam-success: #7eb33c;
  --steam-glass: rgba(20, 26, 14, 0.88);
  --steam-border: rgba(201, 209, 153, 0.22);
  --steam-glow: 0 0 36px rgba(126, 179, 60, 0.28);
  --steam-font: 'Outfit', 'Segoe UI', system-ui, sans-serif;
  --steam-mono: 'JetBrains Mono', 'Consolas', monospace;
  --steam-radius: 14px;
  --steam-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

body.steam-edition {
  font-family: var(--steam-font);
  background: var(--steam-bg-0);
}

body.steam-edition .screen:not(.active) {
  display: none !important;
}

/* ---- Шар меню (поверх усього до гри) ---- */
#steam-shell {
  position: fixed;
  inset: 0;
  z-index: 12000;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--steam-ease), visibility 0.45s;
}

#steam-shell.steam-shell-visible {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}

#steam-shell.steam-shell-hidden {
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

.steam-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.02);
  transition: opacity 0.5s var(--steam-ease), transform 0.5s var(--steam-ease), visibility 0.5s;
}

.steam-screen.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.steam-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background-color: #2a2f1c;
  background-image:
    radial-gradient(ellipse 120% 80% at 50% 110%, rgba(74, 82, 52, 0.35) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 15% 20%, rgba(255, 216, 77, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 200px 140px at 10% 20%, #1a1f10 0, transparent 60%),
    radial-gradient(ellipse 280px 180px at 80% 30%, #3a402a 0, transparent 65%),
    linear-gradient(165deg, var(--steam-bg-0) 0%, var(--steam-bg-1) 45%, var(--steam-bg-2) 100%);
}

.steam-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 75%);
  opacity: 0.5;
}

.steam-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.35;
  pointer-events: none;
}

.steam-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: steam-orb-drift 18s ease-in-out infinite alternate;
  pointer-events: none;
}

.steam-orb-1 {
  width: 420px;
  height: 420px;
  top: -8%;
  left: -5%;
  background: rgba(126, 179, 60, 0.14);
}

.steam-orb-2 {
  width: 360px;
  height: 360px;
  bottom: -10%;
  right: -8%;
  background: rgba(255, 216, 77, 0.08);
  animation-delay: -6s;
}

@keyframes steam-orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, -20px) scale(1.08); }
}

.steam-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  opacity: 0.4;
}

/* ---- Boot ---- */
#steam-boot .steam-boot-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.steam-boot-logo {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(74, 93, 42, 0.5), rgba(20, 26, 14, 0.95));
  border: 2px solid rgba(201, 209, 153, 0.4);
  box-shadow: var(--steam-glow), inset 0 0 30px rgba(126, 179, 60, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  color: var(--steam-gold);
  animation: steam-pulse 2s ease-in-out infinite;
}

@keyframes steam-pulse {
  0%, 100% { box-shadow: var(--steam-glow), inset 0 0 30px rgba(126, 179, 60, 0.12); }
  50% { box-shadow: 0 0 48px rgba(126, 179, 60, 0.4), inset 0 0 40px rgba(255, 216, 77, 0.15); }
}

.steam-boot-title {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--steam-text);
}

.steam-boot-title span {
  display: block;
  font-size: 0.45em;
  letter-spacing: 0.5em;
  color: var(--steam-gold);
  margin-top: 8px;
  font-weight: 600;
}

/* ---- Loading ---- */
.steam-load-panel {
  position: relative;
  z-index: 2;
  width: min(520px, 92vw);
  padding: 36px 32px;
  background: var(--steam-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--steam-border);
  border-radius: var(--steam-radius);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

.steam-load-label {
  font-family: var(--steam-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steam-muted);
  margin-bottom: 12px;
}

.steam-load-bar-wrap {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 20px;
}

.steam-load-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #5a7a32, var(--steam-gold));
  border-radius: 3px;
  transition: width 0.15s ease-out;
  box-shadow: 0 0 12px rgba(126, 179, 60, 0.45);
}

.steam-load-pct {
  font-family: var(--steam-mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--steam-text);
  margin-bottom: 8px;
}

.steam-load-tip {
  font-size: 14px;
  line-height: 1.5;
  color: var(--steam-muted);
  min-height: 3em;
}

.steam-load-tip b {
  color: var(--steam-gold);
  font-weight: 600;
}

/* ---- Main menu ---- */
.steam-menu-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr min(380px, 42vw);
  gap: clamp(24px, 4vw, 64px);
  width: min(1100px, 96vw);
  max-height: 92vh;
  align-items: center;
  padding: 24px;
}

@media (max-width: 900px) {
  .steam-menu-layout {
    grid-template-columns: 1fr;
    text-align: center;
    overflow-y: auto;
    max-height: 100%;
    padding: 16px 12px 32px;
  }
}

.steam-hero {
  padding-right: 12px;
}

.steam-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--steam-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steam-gold);
  border: 1px solid rgba(232, 197, 71, 0.35);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
  background: rgba(232, 197, 71, 0.08);
}

.steam-hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--steam-success);
  box-shadow: 0 0 8px var(--steam-success);
}

.steam-hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--steam-text);
  margin-bottom: 12px;
}

.steam-hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--steam-accent-2), var(--steam-gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.steam-hero h1 {
  color: var(--steam-text);
}

.steam-hero-tagline {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--steam-muted);
  line-height: 1.55;
  max-width: 480px;
}

@media (max-width: 900px) {
  .steam-hero-tagline { margin: 0 auto; }
}

.steam-hero-stats {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .steam-hero-stats { justify-content: center; }
}

.steam-stat {
  text-align: left;
}

.steam-stat-val {
  font-family: var(--steam-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--steam-text);
}

.steam-stat-lbl {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steam-muted);
}

.steam-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.steam-menu-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 20px;
  border: 1px solid var(--steam-border);
  border-radius: var(--steam-radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--steam-text);
  font-family: var(--steam-font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: left;
  transition: transform 0.2s var(--steam-ease), border-color 0.2s, background 0.2s, box-shadow 0.2s;
  overflow: hidden;
}

.steam-menu-btn::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.2s;
}

.steam-menu-btn:hover:not(:disabled) {
  transform: translateX(4px);
  border-color: rgba(201, 209, 153, 0.45);
  background: rgba(74, 93, 42, 0.35);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.steam-menu-btn:hover:not(:disabled)::before {
  background: var(--steam-gold);
}

.steam-menu-btn.primary {
  background: linear-gradient(135deg, rgba(90, 122, 50, 0.55), rgba(42, 58, 28, 0.5));
  border-color: rgba(126, 179, 60, 0.5);
}

.steam-menu-btn.primary:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(106, 140, 58, 0.65), rgba(50, 68, 30, 0.6));
  box-shadow: var(--steam-glow);
}

.steam-menu-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.steam-menu-btn .steam-btn-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.steam-menu-btn .steam-btn-text {
  flex: 1;
}

.steam-menu-btn .steam-btn-sub {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--steam-muted);
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.steam-menu-btn .steam-soon {
  font-family: var(--steam-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(232, 197, 71, 0.15);
  color: var(--steam-gold);
  border: 1px solid rgba(232, 197, 71, 0.3);
}

.steam-menu-footer {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.steam-menu-footer .steam-menu-btn {
  flex: 1;
  min-width: 120px;
  padding: 12px 16px;
  font-size: 13px;
  justify-content: center;
}

.steam-version-pill {
  position: fixed;
  bottom: 20px;
  right: 24px;
  z-index: 3;
  font-family: var(--steam-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--steam-muted);
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--steam-border);
}

/* ---- Settings / Co-op panels ---- */
.steam-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 13000;
  background: rgba(4, 6, 12, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.steam-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.steam-modal {
  width: min(480px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--steam-glass);
  backdrop-filter: blur(24px);
  border: 1px solid var(--steam-border);
  border-radius: calc(var(--steam-radius) + 4px);
  padding: 28px;
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.6);
  transform: translateY(12px);
  transition: transform 0.35s var(--steam-ease);
}

.steam-modal-overlay.active .steam-modal {
  transform: translateY(0);
}

.steam-modal h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--steam-text);
}

.steam-modal-lead {
  font-size: 13px;
  color: var(--steam-muted);
  margin-bottom: 22px;
  line-height: 1.5;
}

.steam-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.steam-setting-row label {
  font-size: 14px;
  color: var(--steam-text);
}

.steam-setting-row span.steam-setting-hint {
  display: block;
  font-size: 11px;
  color: var(--steam-muted);
  margin-top: 2px;
}

.steam-range {
  width: 140px;
  accent-color: var(--steam-accent);
}

.steam-toggle {
  position: relative;
  width: 48px;
  height: 26px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--steam-border);
  cursor: pointer;
  transition: background 0.2s;
}

.steam-toggle.on {
  background: rgba(61, 139, 255, 0.45);
  border-color: var(--steam-accent);
}

.steam-toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s var(--steam-ease);
}

.steam-toggle.on::after {
  transform: translateX(22px);
}

.steam-modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.steam-btn {
  padding: 12px 22px;
  border-radius: 10px;
  font-family: var(--steam-font);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--steam-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--steam-text);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.steam-btn:hover {
  background: rgba(74, 93, 42, 0.45);
  border-color: rgba(201, 209, 153, 0.4);
}

.steam-btn.primary {
  background: linear-gradient(135deg, #5a7a32, #4a5d2a);
  border-color: rgba(201, 209, 153, 0.35);
}

.steam-btn.danger {
  border-color: rgba(255, 92, 74, 0.4);
  color: #ffb4a8;
}

.steam-coop-features {
  list-style: none;
  margin: 16px 0;
  padding: 0;
}

.steam-coop-features li {
  padding: 10px 0 10px 28px;
  position: relative;
  font-size: 14px;
  color: var(--steam-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.steam-coop-features li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--steam-accent);
  font-size: 10px;
  top: 12px;
}

/* ---- Кампанія: оливкова тема (як основна гра) ---- */
body.steam-edition #start-screen {
  background: #1a1f14;
  z-index: 11000;
}

body.steam-edition #start-screen .camo-bg {
  display: block;
}

body.steam-edition #start-screen::before {
  display: none;
}

body.steam-edition #start-screen .start-content {
  position: relative;
  z-index: 1;
  font-family: var(--steam-font);
}

body.steam-edition #start-screen .title {
  font-family: 'Impact', 'Arial Black', var(--steam-font);
  color: #e6edc1;
  background: none;
  -webkit-text-fill-color: unset;
}

body.steam-edition #start-screen .title span {
  color: #c9d199;
  -webkit-text-fill-color: #c9d199;
}

body.steam-edition #start-screen .subtitle,
body.steam-edition #start-screen .intro-text {
  color: #b8be9a;
}

body.steam-edition #start-screen .section-label {
  color: #c9d199;
  font-family: var(--steam-mono);
  letter-spacing: 0.2em;
}

body.steam-edition .start-version-badge {
  background: linear-gradient(180deg, #ffd84d, #c9a832);
  border: 1px solid rgba(255, 220, 120, 0.65);
  color: #1a1a0a;
  font-family: var(--steam-mono);
}

body.steam-edition #sandbox-start-block {
  display: none !important;
}

.steam-campaign-back {
  position: fixed;
  top: 20px;
  left: 24px;
  z-index: 11001;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--steam-border);
  background: var(--steam-glass);
  backdrop-filter: blur(12px);
  color: var(--steam-text);
  font-family: var(--steam-font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: none;
  transition: background 0.2s, border-color 0.2s;
}

.steam-campaign-back.visible {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.steam-campaign-back:hover {
  background: rgba(61, 139, 255, 0.2);
  border-color: rgba(94, 179, 255, 0.5);
}

/* Перехід у гру */
body.steam-edition.steam-in-game #steam-shell {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.steam-edition #end-screen .camo-bg {
  display: none;
}

body.steam-edition #end-screen {
  background: #1a1f14;
}

body.steam-edition #end-screen .camo-bg {
  display: block;
}

body.steam-edition #end-screen::before {
  display: none;
}