/* =============================================================
   GUNGAME ARENA — Complete Stylesheet
   Design: Military-tactical dark theme with neon-green accents
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;600;700&family=Share+Tech+Mono&display=swap');

/* ─── CSS VARIABLES ─────────────────────────────────────────── */
:root {
  --col-bg:        #0a0c0f;
  --col-panel:     #111418;
  --col-border:    #1e2530;
  --col-accent:    #39ff6a;     /* neon green */
  --col-accent2:   #00cfff;     /* cyan */
  --col-danger:    #ff3a3a;
  --col-warn:      #ffb300;
  --col-text:      #cdd8e8;
  --col-muted:     #4a5568;
  --col-white:     #ffffff;
  --font-hud:      'Rajdhani', sans-serif;
  --font-mono:     'Share Tech Mono', monospace;
  --hud-opacity:   0.92;
  --transition:    0.15s ease;
}

/* ─── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--col-bg);
  color: var(--col-text);
  font-family: var(--font-hud);
  user-select: none;
  -webkit-user-select: none;
}

.hidden { display: none !important; }

/* ─── GAME CANVAS ────────────────────────────────────────────── */
#game-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: block;
  cursor: crosshair;
}

/* ─── LOADING SCREEN ─────────────────────────────────────────── */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--col-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-inner {
  text-align: center;
  width: 340px;
}

.loading-logo {
  font-family: var(--font-hud);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--col-white);
  text-transform: uppercase;
}
.loading-logo span { color: var(--col-accent); }

.loading-bar-wrap {
  margin: 2rem 0 1rem;
  height: 4px;
  background: var(--col-border);
  border-radius: 2px;
  overflow: hidden;
}

.loading-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--col-accent), var(--col-accent2));
  border-radius: 2px;
  transition: width 0.3s ease;
}

.loading-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--col-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── MAIN MENU ──────────────────────────────────────────────── */
#main-menu {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.menu-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(57,255,106,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(0,207,255,0.05) 0%, transparent 60%),
    linear-gradient(160deg, #080b0f 0%, #0d1117 50%, #080b0f 100%);
}

.menu-bg-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(255,255,255,0.015) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(255,255,255,0.015) 60px);
}

.menu-content {
  position: relative;
  z-index: 1;
  text-align: center;
  animation: menuIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes menuIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.menu-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--col-white);
  text-transform: uppercase;
  text-shadow: 0 0 40px rgba(57,255,106,0.3);
  line-height: 1;
}
.menu-title span { color: var(--col-accent); }

.menu-subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--col-muted);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.menu-panel {
  margin-top: 2.5rem;
  background: rgba(17, 20, 24, 0.85);
  border: 1px solid var(--col-border);
  border-top: 2px solid var(--col-accent);
  border-radius: 4px;
  padding: 2rem 2.5rem;
  min-width: 380px;
  backdrop-filter: blur(12px);
}

.menu-section {
  margin-bottom: 1.5rem;
  text-align: left;
}

.menu-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--col-muted);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

.btn-group {
  display: flex;
  gap: 0.5rem;
}

.btn-diff, .btn-bot {
  flex: 1;
  padding: 0.55rem 0;
  background: var(--col-bg);
  border: 1px solid var(--col-border);
  color: var(--col-muted);
  font-family: var(--font-hud);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: 3px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all var(--transition);
}

.btn-diff:hover, .btn-bot:hover {
  border-color: var(--col-accent);
  color: var(--col-accent);
}

.btn-diff.active, .btn-bot.active {
  background: rgba(57,255,106,0.12);
  border-color: var(--col-accent);
  color: var(--col-accent);
}

.btn-play {
  width: 100%;
  padding: 0.9rem;
  margin-top: 0.5rem;
  background: var(--col-accent);
  border: none;
  color: #040806;
  font-family: var(--font-hud);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  border-radius: 3px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all var(--transition);
  text-shadow: none;
}

.btn-play:hover {
  background: #ffffff;
  box-shadow: 0 0 24px rgba(57,255,106,0.5);
  transform: translateY(-1px);
}

.controls-hint {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  margin-top: 1.2rem;
  justify-content: center;
}

.controls-hint span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--col-muted);
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 2px;
}

/* ─── HUD ────────────────────────────────────────────────────── */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

/* TOP LEFT */
#hud-topleft {
  position: absolute;
  top: 16px;
  left: 16px;
  opacity: var(--hud-opacity);
}

#hud-health-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.hud-icon {
  font-size: 0.9rem;
  color: var(--col-danger);
  filter: drop-shadow(0 0 4px rgba(255,58,58,0.5));
}

#hud-health-bar-outer {
  width: 160px;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

#hud-health-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--col-danger), #ff7a7a);
  border-radius: 3px;
  transition: width 0.2s ease, background 0.3s ease;
}

#hud-health-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--col-white);
  min-width: 28px;
}

#hud-ammo-wrap {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--col-white);
  letter-spacing: 0.05em;
}

.ammo-sep {
  color: var(--col-muted);
  margin: 0 4px;
  font-size: 1rem;
}

#hud-ammo-res {
  font-size: 0.9rem;
  color: var(--col-muted);
}

/* TOP CENTER */
#hud-topcenter {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  opacity: var(--hud-opacity);
}

#hud-weapon-level {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--col-accent);
  text-transform: uppercase;
}

#lvl-num {
  font-size: 1.1em;
  font-weight: bold;
}

#hud-weapon-name {
  font-family: var(--font-hud);
  font-size: 1rem;
  font-weight: 700;
  color: var(--col-white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
}

#hud-progress-bar-outer {
  width: 180px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  margin: 6px auto 3px;
  overflow: hidden;
}

#hud-progress-bar {
  height: 100%;
  width: 5.5%; /* 1/18 */
  background: linear-gradient(90deg, var(--col-accent), var(--col-accent2));
  border-radius: 2px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#hud-progress-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--col-muted);
  letter-spacing: 0.15em;
}

/* TOP RIGHT */
#hud-topright {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 200px;
  opacity: var(--hud-opacity);
}

.score-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--col-muted);
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--col-border);
  text-transform: uppercase;
}

#score-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.score-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 6px;
  border-radius: 2px;
  transition: background 0.2s;
}

.score-row.is-player {
  background: rgba(57,255,106,0.08);
  border-left: 2px solid var(--col-accent);
}

.score-row.is-bot {
  border-left: 2px solid transparent;
}

.score-rank {
  color: var(--col-muted);
  min-width: 16px;
  font-size: 0.6rem;
}

.score-name {
  flex: 1;
  color: var(--col-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.score-row.is-player .score-name { color: var(--col-accent); }

.score-lvl {
  color: var(--col-accent2);
  min-width: 28px;
  text-align: right;
}

.score-kills {
  color: var(--col-white);
  min-width: 20px;
  text-align: right;
}

/* CROSSHAIR */
#crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
}

.ch-top, .ch-right, .ch-bottom, .ch-left {
  position: absolute;
  background: rgba(255,255,255,0.85);
  transition: transform 0.06s ease;
}

.ch-top, .ch-bottom {
  width: 2px;
  height: 7px;
  left: 50%;
  transform: translateX(-50%);
}
.ch-top    { top: 0; }
.ch-bottom { bottom: 0; }

.ch-left, .ch-right {
  height: 2px;
  width: 7px;
  top: 50%;
  transform: translateY(-50%);
}
.ch-left  { left: 0; }
.ch-right { right: 0; }

.ch-dot {
  position: absolute;
  width: 2px;
  height: 2px;
  background: rgba(255,255,255,0.85);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

/* crosshair spread classes (added dynamically) */
#crosshair.spread-1 .ch-top    { transform: translateX(-50%) translateY(-2px); }
#crosshair.spread-1 .ch-bottom { transform: translateX(-50%) translateY(2px); }
#crosshair.spread-1 .ch-left   { transform: translateY(-50%) translateX(-2px); }
#crosshair.spread-1 .ch-right  { transform: translateY(-50%) translateX(2px); }

#crosshair.spread-2 .ch-top    { transform: translateX(-50%) translateY(-5px); }
#crosshair.spread-2 .ch-bottom { transform: translateX(-50%) translateY(5px); }
#crosshair.spread-2 .ch-left   { transform: translateY(-50%) translateX(-5px); }
#crosshair.spread-2 .ch-right  { transform: translateY(-50%) translateX(5px); }

#crosshair.spread-3 .ch-top    { transform: translateX(-50%) translateY(-10px); }
#crosshair.spread-3 .ch-bottom { transform: translateX(-50%) translateY(10px); }
#crosshair.spread-3 .ch-left   { transform: translateY(-50%) translateX(-10px); }
#crosshair.spread-3 .ch-right  { transform: translateY(-50%) translateX(10px); }

/* HIT MARKER */
#hit-marker {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.4rem;
  color: var(--col-warn);
  font-weight: bold;
  pointer-events: none;
  text-shadow: 0 0 8px rgba(255,179,0,0.8);
  animation: hitPulse 0.2s ease both;
}

@keyframes hitPulse {
  0%   { opacity: 1; transform: translate(-50%, -50%) scale(1.3); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
}

/* DAMAGE VIGNETTE */
#damage-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(255,30,30,0.55) 100%);
  animation: vignetteFlash 0.5s ease both;
}

@keyframes vignetteFlash {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}

/* BOTTOM WEAPON DISPLAY */
#hud-bottom {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  opacity: var(--hud-opacity);
}

#weapon-display {
  text-align: center;
}

#weapon-icon-area {
  width: 120px;
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto 6px;
}

#weapon-icon-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--col-accent2), var(--col-accent));
  border-radius: 4px;
  transition: width 0.3s ease;
}

#weapon-name-bottom {
  font-family: var(--font-hud);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--col-muted);
  text-transform: uppercase;
}

/* RELOAD INDICATOR */
#reload-indicator {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  opacity: var(--hud-opacity);
}

#reload-bar-outer {
  width: 120px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  margin-bottom: 4px;
  overflow: hidden;
}

#reload-bar {
  height: 100%;
  background: var(--col-warn);
  border-radius: 2px;
  transition: width 0.05s linear;
}

#reload-indicator > div:last-child {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--col-warn);
  letter-spacing: 0.2em;
  animation: reloadBlink 0.6s ease infinite alternate;
}

@keyframes reloadBlink {
  from { opacity: 0.5; }
  to   { opacity: 1; }
}

/* NOTIFICATIONS */
#notifications {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(-80px);
  text-align: center;
  pointer-events: none;
}

.notif {
  font-family: var(--font-hud);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 6px 20px;
  margin-bottom: 4px;
  border-radius: 3px;
  animation: notifAnim 2.5s ease both;
}

@keyframes notifAnim {
  0%   { opacity: 0; transform: translateY(-10px) scale(0.95); }
  10%  { opacity: 1; transform: translateY(0) scale(1); }
  70%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(6px); }
}

.notif-levelup {
  font-size: 1.2rem;
  color: var(--col-accent);
  text-shadow: 0 0 20px rgba(57,255,106,0.6);
  background: rgba(57,255,106,0.1);
  border: 1px solid rgba(57,255,106,0.3);
}

.notif-weapon {
  font-size: 0.85rem;
  color: var(--col-accent2);
  text-shadow: 0 0 12px rgba(0,207,255,0.5);
}

.notif-elim {
  font-size: 0.9rem;
  color: var(--col-warn);
}

.notif-final {
  font-size: 1.1rem;
  color: #ffdd00;
  text-shadow: 0 0 20px rgba(255,221,0,0.7);
  animation: notifAnim 3s ease both;
}

/* KILL FEED */
#kill-feed {
  position: absolute;
  top: 120px;
  right: 16px;
  width: 220px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
}

.killfeed-item {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 4px 8px;
  background: rgba(0,0,0,0.55);
  border-left: 2px solid var(--col-muted);
  border-radius: 0 2px 2px 0;
  color: var(--col-text);
  animation: killfeedSlide 0.2s ease both;
  backdrop-filter: blur(4px);
}

.killfeed-item.is-player { border-left-color: var(--col-accent); }
.killfeed-item .kf-victim { color: var(--col-danger); }
.killfeed-item .kf-weapon { color: var(--col-muted); font-size: 0.6rem; }

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

/* SPRINT INDICATOR */
#sprint-indicator {
  position: absolute;
  bottom: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--col-accent);
  text-transform: uppercase;
  opacity: 0.7;
}

/* ─── PAUSE MENU ──────────────────────────────────────────────── */
#pause-menu {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  backdrop-filter: blur(8px);
}

.pause-content {
  text-align: center;
  animation: menuIn 0.3s ease both;
}

.pause-title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--col-white);
  margin-bottom: 2rem;
}

.btn-pause-action {
  display: block;
  width: 220px;
  padding: 0.75rem;
  margin: 0.5rem auto;
  background: var(--col-panel);
  border: 1px solid var(--col-border);
  color: var(--col-text);
  font-family: var(--font-hud);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  border-radius: 3px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all var(--transition);
  pointer-events: all;
}

.btn-pause-action:hover {
  border-color: var(--col-accent);
  color: var(--col-accent);
}

/* ─── VICTORY SCREEN ─────────────────────────────────────────── */
#victory-screen {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.93);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 600;
  backdrop-filter: blur(10px);
}

.victory-content {
  text-align: center;
  animation: victoryIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes victoryIn {
  from { opacity: 0; transform: scale(0.85) translateY(30px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.victory-badge {
  font-size: 4rem;
  margin-bottom: 0.5rem;
  animation: trophySpin 1s ease 0.5s both;
}

@keyframes trophySpin {
  from { transform: scale(0) rotate(-30deg); }
  to   { transform: scale(1) rotate(0deg); }
}

.victory-title {
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--col-accent);
  text-shadow: 0 0 40px rgba(57,255,106,0.5);
  text-transform: uppercase;
  line-height: 1;
}

.victory-winner {
  font-size: 1.2rem;
  letter-spacing: 0.3em;
  color: var(--col-text);
  margin: 0.5rem 0 1.5rem;
  text-transform: uppercase;
}

.victory-stats {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--col-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.btn-menu-sm {
  display: block;
  margin: 0.6rem auto 0;
  background: none;
  border: none;
  color: var(--col-muted);
  font-family: var(--font-hud);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  text-transform: uppercase;
  pointer-events: all;
  transition: color var(--transition);
}

.btn-menu-sm:hover { color: var(--col-text); }

/* ─── POINTER LOCK PROMPT ────────────────────────────────────── */
#pointer-lock-prompt {
  position: fixed;
  inset: 0;
  background: rgba(5,7,10,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.plp-inner {
  text-align: center;
  animation: pulse 1.8s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; }
  50%       { opacity: 1; }
}

.plp-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--col-white);
}

.plp-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--col-muted);
  letter-spacing: 0.15em;
  margin-top: 0.5rem;
}

/* ─── AMMO LOW FLASH ─────────────────────────────────────────── */
#hud-ammo-wrap.ammo-low #hud-ammo-cur {
  color: var(--col-danger);
  animation: ammoLow 0.4s ease infinite alternate;
}

@keyframes ammoLow {
  from { opacity: 1; }
  to   { opacity: 0.4; }
}

/* ─── HEALTH LOW PULSE ───────────────────────────────────────── */
#hud-health-bar.health-low {
  animation: healthLow 0.8s ease infinite alternate;
}

@keyframes healthLow {
  from { opacity: 1; }
  to   { opacity: 0.5; }
}

/* ─── WEAPON LEVEL UP FLASH ──────────────────────────────────── */
#hud-topcenter.level-flash {
  animation: levelFlash 0.6s ease;
}

@keyframes levelFlash {
  0%   { filter: brightness(1); }
  30%  { filter: brightness(2.5) hue-rotate(30deg); }
  100% { filter: brightness(1); }
}

/* ─── SCROLLBAR (for any overflow elements) ──────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--col-bg); }
::-webkit-scrollbar-thumb { background: var(--col-border); border-radius: 2px; }