/* =========================================================================
 * NEON CITY  —  UI Stylesheet
 * Design tokens, hierarchy, components.
 * ========================================================================= */

:root {
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;

  --bg-base: #07070d;
  --bg-panel: rgba(12, 14, 24, 0.86);
  --bg-panel-strong: rgba(8, 10, 18, 0.94);
  --bg-overlay: rgba(0, 0, 0, 0.78);

  --c-text: #e8ecf4;
  --c-muted: #7a8298;
  --c-border: rgba(255, 255, 255, 0.10);
  --c-border-strong: rgba(255, 255, 255, 0.20);

  --c-primary: #4dd0e1;
  --c-success: #4ade80;
  --c-warning: #fbbf24;
  --c-danger:  #f87171;
  --c-accent:  #d946ef;
  --c-cash:    #34d399;
  --c-score:   #fde047;
  --c-wanted:  #fb923c;

  --font-display: 'Bebas Neue', 'Oswald', 'Impact', 'Arial Black', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
  --font-ui:   'Inter', 'Segoe UI', system-ui, sans-serif;

  --r-1: 2px;
  --r-2: 4px;
  --r-3: 6px;
  --shadow-panel: 0 4px 24px rgba(0, 0, 0, 0.6),
                  0 1px 0 rgba(255, 255, 255, 0.05) inset;
  --shadow-glow: 0 0 32px rgba(77, 208, 225, 0.18);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%; height: 100%;
  background: radial-gradient(ellipse at center, #0e1424 0%, #02030a 70%);
  overflow: hidden;
  font-family: var(--font-ui);
  color: var(--c-text);
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

#wrap {
  position: relative;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}

#game {
  display: block;
  background: var(--bg-base);
  box-shadow:
    0 0 80px rgba(77, 208, 225, 0.10),
    0 0 200px rgba(217, 70, 239, 0.06),
    inset 0 0 60px rgba(0,0,0,0.7);
  border-radius: var(--r-2);
}

/* ===== Panels (HUD components) ===== */

.panel {
  position: fixed;
  background: var(--bg-panel);
  border: 1px solid var(--c-border);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-panel);
  pointer-events: none;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}
.panel-section {
  border-top: 1px solid var(--c-border);
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
}
.panel-section:first-child { border-top: 0; margin-top: 0; padding-top: 0; }

/* ===== Top-left: Player HUD ===== */

#hud {
  top: var(--sp-4);
  left: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  min-width: 240px;
  font-family: var(--font-ui);
}

#hud .ident {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--c-border);
  margin-bottom: var(--sp-2);
}
#hud .ident .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 13px;
  color: #000;
  letter-spacing: 0;
}
#hud .ident .name {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--c-text);
}
#hud .ident .name small {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--c-muted);
  font-weight: normal;
}

#hud .stat-big {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: var(--sp-2) 0;
}
#hud .stat-big .stat { flex: 1; text-align: left; }
#hud .stat-big .stat:last-child { text-align: right; }
#hud .stat-big .lbl {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--c-muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}
#hud .stat-big .num {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
  letter-spacing: 1px;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}
#hud .stat-big .num.score { color: var(--c-score); }
#hud .stat-big .num.cash  { color: var(--c-cash); }

#hud .row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 3px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
}
#hud .row .label { color: var(--c-muted); text-transform: uppercase; }
#hud .row .val { color: var(--c-text); font-weight: 500; font-variant-numeric: tabular-nums; }

.bar {
  height: 4px;
  background: rgba(0,0,0,0.5);
  border-radius: 2px;
  overflow: hidden;
  margin: 4px 0 2px;
}
.bar > div {
  height: 100%;
  transition: width 0.18s ease-out;
}
.bar.health > div { background: linear-gradient(90deg, #ef4444, #f87171); }
.bar.sprint > div { background: linear-gradient(90deg, #fbbf24, #fde047); }

#wanted {
  color: var(--c-wanted);
  font-family: var(--font-display);
  letter-spacing: 3px;
  font-size: 13px;
}

/* ===== Top-right: Minimap ===== */

#minimap-wrap {
  top: var(--sp-4); right: var(--sp-4);
  padding: var(--sp-2);
}
#minimap-wrap .title {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 3px;
  text-align: center;
  color: var(--c-muted);
  margin-bottom: var(--sp-1);
  text-transform: uppercase;
}
#minimap {
  display: block;
  background: var(--bg-base);
  border-radius: var(--r-2);
  border: 1px solid var(--c-border);
}

/* ===== Top-center: Mission tracker ===== */

#mission-hud {
  top: var(--sp-4);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--sp-3) var(--sp-5);
  min-width: 320px;
  border-left: 3px solid var(--c-primary);
  display: none;
}
#mission-hud .name {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--c-primary);
  text-align: center;
}
#mission-hud .desc {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-align: center;
  color: var(--c-text);
  margin-top: var(--sp-1);
}

/* ===== Bottom-center: Interaction prompt ===== */

#prompt {
  position: fixed;
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--sp-2) var(--sp-4);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-text);
  background: var(--bg-panel-strong);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-3);
  pointer-events: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  box-shadow: var(--shadow-panel);
}
#prompt .key {
  display: inline-block;
  background: rgba(255,255,255,0.10);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-1);
  padding: 1px 6px;
  margin: 0 4px;
  font-weight: 700;
  color: var(--c-primary);
}

/* ===== Center: Notification message ===== */

#message {
  position: fixed;
  top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  padding: var(--sp-4) var(--sp-6);
  background: var(--bg-panel-strong);
  border: 1px solid var(--c-border-strong);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--r-3);
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 4px;
  color: var(--c-text);
  text-align: center;
  display: none;
  pointer-events: none;
  z-index: 10;
  white-space: pre;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-panel), 0 0 60px rgba(217, 70, 239, 0.20);
  animation: msg-in 0.18s ease-out;
}
@keyframes msg-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.96); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* ===== Bottom strip ===== */

#help {
  bottom: var(--sp-4);
  left: var(--sp-4);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--c-muted);
  text-transform: uppercase;
}
#help b {
  color: var(--c-primary);
  background: rgba(77, 208, 225, 0.10);
  border: 1px solid rgba(77, 208, 225, 0.30);
  padding: 1px 5px;
  border-radius: var(--r-1);
  font-weight: 700;
  margin: 0 2px;
}

#title {
  bottom: var(--sp-4); right: var(--sp-4);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--c-muted);
}
#title .ver {
  color: var(--c-primary);
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
}

/* ===== Pause Menu ===== */

#pause-overlay {
  display: none;
  position: fixed; inset: 0;
  background: var(--bg-overlay);
  z-index: 60;
  align-items: center; justify-content: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.menu-card {
  background: linear-gradient(180deg, rgba(15,18,28,0.97), rgba(8,10,16,0.98));
  border: 1px solid var(--c-border-strong);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8),
              0 0 1px rgba(255, 255, 255, 0.05) inset;
  width: min(820px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  color: var(--c-text);
}
.menu-card::-webkit-scrollbar { width: 8px; }
.menu-card::-webkit-scrollbar-thumb { background: var(--c-border-strong); border-radius: 4px; }

.menu-header {
  padding: var(--sp-5) var(--sp-6) var(--sp-4);
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: space-between;
}
.menu-header .title {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 8px;
  color: var(--c-text);
  line-height: 1;
}
.menu-header .subtitle {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--c-muted);
  margin-top: 4px;
  text-transform: uppercase;
}
.menu-header .accent {
  width: 6px; height: 32px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
  border-radius: 2px;
}

.menu-body { padding: var(--sp-5) var(--sp-6); }

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

.menu-section h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--c-primary);
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--c-border);
}
.menu-section .item {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.5px;
}
.menu-section .item .k {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--c-border);
  padding: 2px 8px;
  border-radius: var(--r-1);
  font-weight: 700;
  color: var(--c-primary);
  font-size: 10px;
  letter-spacing: 1px;
  min-width: 48px;
  text-align: center;
}
.menu-section .item .desc {
  flex: 1;
  margin-left: var(--sp-3);
  color: var(--c-text);
}
.menu-section .item .desc small { color: var(--c-muted); }

.shop-row {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: 5px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--c-text);
}
.shop-row .swatch {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.menu-footer {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--c-border);
  background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.menu-footer .hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--c-muted);
  text-transform: uppercase;
}
.menu-footer .hint b {
  color: var(--c-primary);
  background: rgba(77, 208, 225, 0.10);
  border: 1px solid rgba(77, 208, 225, 0.30);
  padding: 1px 6px;
  border-radius: var(--r-1);
  margin: 0 2px;
}

.save-section {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--c-border);
}
.save-section h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--c-primary);
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
}
.save-row {
  display: flex; gap: var(--sp-2); margin-bottom: var(--sp-3);
}
#save-name {
  flex: 1;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--c-border-strong);
  color: var(--c-text);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  border-radius: var(--r-2);
  outline: none;
}
#save-name:focus { border-color: var(--c-primary); box-shadow: 0 0 0 2px rgba(77, 208, 225, 0.18); }
.btn {
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid;
  border-radius: var(--r-2);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: rgba(77, 208, 225, 0.12);
  border-color: var(--c-primary);
  color: var(--c-primary);
}
.btn-primary:hover { background: rgba(77, 208, 225, 0.22); box-shadow: 0 0 16px rgba(77, 208, 225, 0.25); }
.btn-warn {
  background: rgba(251, 191, 36, 0.10);
  border-color: var(--c-warning);
  color: var(--c-warning);
}
.btn-warn:hover { background: rgba(251, 191, 36, 0.20); }
.btn-danger {
  background: rgba(248, 113, 113, 0.10);
  border-color: var(--c-danger);
  color: var(--c-danger);
}
.btn-danger:hover { background: rgba(248, 113, 113, 0.20); }
.btn-success {
  background: rgba(74, 222, 128, 0.10);
  border-color: var(--c-success);
  color: var(--c-success);
}
.btn-success:hover { background: rgba(74, 222, 128, 0.20); }
.btn-sm { padding: 5px 10px; font-size: 10px; }

#save-status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-align: center;
  min-height: 14px;
  margin-bottom: var(--sp-2);
  opacity: 0;
  transition: opacity 0.3s;
  text-transform: uppercase;
}
#save-list {
  max-height: 200px;
  overflow-y: auto;
  padding-right: 4px;
}
#save-list::-webkit-scrollbar { width: 6px; }
#save-list::-webkit-scrollbar-thumb { background: var(--c-border-strong); border-radius: 3px; }

.save-slot {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--sp-3);
  margin: var(--sp-1) 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-border);
  border-radius: var(--r-2);
  transition: background 0.15s ease;
}
.save-slot:hover { background: rgba(255, 255, 255, 0.06); }
.save-slot .info { flex: 1; min-width: 0; }
.save-slot .name {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--c-primary);
  margin-bottom: 2px;
}
.save-slot .meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--c-muted);
}
.save-slot .meta span { margin-right: var(--sp-2); }
.save-slot .actions { display: flex; gap: 4px; }

/* ===== Shop Overlay ===== */

#shop-overlay {
  display: none;
  position: fixed; inset: 0;
  background: var(--bg-overlay);
  z-index: 50;
  align-items: center; justify-content: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.shop-card {
  background: linear-gradient(180deg, rgba(15,18,28,0.97), rgba(8,10,16,0.98));
  border: 1px solid var(--c-border-strong);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
  width: min(560px, 92vw);
  max-height: 86vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: var(--c-text);
}
.shop-header {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--c-border);
  background: rgba(0,0,0,0.3);
}
.shop-header .title {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 5px;
  color: var(--c-text);
  line-height: 1;
}
.shop-header .tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--c-muted);
  margin-top: 4px;
  text-transform: uppercase;
}
.shop-cash {
  padding: var(--sp-3) var(--sp-5);
  border-bottom: 1px solid var(--c-border);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
}
.shop-cash .lbl { color: var(--c-muted); text-transform: uppercase; }
.shop-cash .val {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--c-cash);
  letter-spacing: 1px;
}
#shop-items {
  overflow-y: auto;
  padding: var(--sp-3);
  flex: 1;
}
#shop-items::-webkit-scrollbar { width: 8px; }
#shop-items::-webkit-scrollbar-thumb { background: var(--c-border-strong); border-radius: 4px; }
.shop-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--sp-3);
  margin: var(--sp-1) 0;
  border: 1px solid var(--c-border);
  border-radius: var(--r-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.shop-item.affordable {
  background: rgba(255, 255, 255, 0.03);
  color: var(--c-text);
  cursor: pointer;
}
.shop-item.affordable:hover {
  background: rgba(77, 208, 225, 0.08);
  border-color: var(--c-primary);
  box-shadow: 0 0 12px rgba(77, 208, 225, 0.18);
}
.shop-item.locked {
  background: rgba(0,0,0,0.2);
  color: var(--c-muted);
  cursor: not-allowed;
}
.shop-item .idx {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--c-border);
  padding: 1px 6px;
  border-radius: var(--r-1);
  font-size: 10px;
  margin-right: var(--sp-3);
  min-width: 24px;
  text-align: center;
}
.shop-item .label { flex: 1; }
.shop-item .price {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--c-cash);
}
.shop-item.locked .price { color: rgba(248,113,113,0.5); }
.shop-footer {
  padding: var(--sp-3) var(--sp-5);
  border-top: 1px solid var(--c-border);
  background: rgba(0,0,0,0.3);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--c-muted);
  text-transform: uppercase;
}
.shop-footer b {
  color: var(--c-primary);
  background: rgba(77, 208, 225, 0.10);
  border: 1px solid rgba(77, 208, 225, 0.30);
  padding: 1px 6px;
  border-radius: var(--r-1);
  margin: 0 2px;
}

/* ===== Cheat toast ===== */
#cheat-toast {
  position: fixed;
  top: 96px;
  left: 50%;
  transform: translate(-50%, 0);
  background: var(--bg-panel-strong);
  border: 1px solid var(--c-warning);
  border-left: 4px solid var(--c-warning);
  color: var(--c-warning);
  padding: var(--sp-2) var(--sp-4);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 4px;
  border-radius: var(--r-3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-panel), 0 0 24px rgba(251, 191, 36, 0.30);
  z-index: 100;
  pointer-events: none;
  transition: opacity 0.3s;
  opacity: 0;
}

/* ===== Subtle scanline post-effect ===== */
#scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.012) 0px,
    rgba(255,255,255,0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  z-index: 5;
}