:root {
  --bg-world: #f1f5f9;
  --primary: #0284c7;
  --endfield-bg: rgba(12, 16, 26, 0.94);
  --endfield-card-bg: rgba(20, 26, 40, 0.85);
  --endfield-card-hover: rgba(28, 36, 56, 0.95);
  --endfield-amber: #f59e0b;
  --endfield-amber-glow: rgba(245, 158, 11, 0.35);
  --endfield-cyan: #06b6d4;
  --endfield-cyan-glow: rgba(6, 182, 212, 0.3);
  --endfield-border: rgba(255, 255, 255, 0.12);
  --endfield-border-active: #f59e0b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-world);
  font-family: var(--font-family);
}

#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
}

#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

#game-canvas:active {
  cursor: grabbing;
}

body.pointer-locked #game-canvas {
  cursor: none;
}

/* ==========================================================================
   TOP-RIGHT CIRCULAR CHARACTER BUTTON (WITH WHITE TRIANGLE LOGO)
   ========================================================================== */
.btn-char-trigger {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-char-trigger:hover {
  transform: translateY(-2px);
}

.char-icon-circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #0f172a;
  border: 2px solid rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0, 0, 0, 0.1);
  transition: all 0.25s ease;
  position: relative;
}

.char-icon-circle::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px dashed rgba(245, 158, 11, 0.4);
  opacity: 0;
  transition: opacity 0.25s, transform 0.4s;
  pointer-events: none;
}

.btn-char-trigger:hover .char-icon-circle {
  border-color: var(--endfield-amber);
  background: #1e293b;
  box-shadow: 0 6px 20px var(--endfield-amber-glow);
}

.btn-char-trigger:hover .char-icon-circle::after {
  opacity: 1;
  transform: rotate(45deg);
}

.triangle-logo {
  transition: transform 0.2s ease;
}

.btn-char-trigger:hover .triangle-logo {
  transform: scale(1.15);
}

.char-btn-text {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #0f172a;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.2s;
}

.btn-char-trigger:hover .char-btn-text {
  background: #0f172a;
  color: var(--endfield-amber);
  border-color: var(--endfield-amber);
}

/* ==========================================================================
   ARKNIGHTS: ENDFIELD STYLE OPERATOR SELECTION MODAL
   ========================================================================== */
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 12, 0.75);
  backdrop-filter: blur(14px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s ease, visibility 0.25s;
}

.modal-backdrop.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.endfield-modal {
  width: 900px;
  max-width: 94vw;
  background: var(--endfield-bg);
  border: 1px solid var(--endfield-border);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(6, 182, 212, 0.1);
  position: relative;
  display: flex;
  flex-direction: column;
  color: var(--text-main);
  /* Tactical chamfered corners */
  clip-path: polygon(
    0 16px, 16px 0,
    calc(100% - 16px) 0, 100% 16px,
    100% calc(100% - 16px), calc(100% - 16px) 100%,
    16px 100%, 0 calc(100% - 16px)
  );
  animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from {
    transform: scale(0.96) translateY(12px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

/* Modal Header Bar */
.modal-header {
  height: 48px;
  background: rgba(16, 22, 34, 0.95);
  border-bottom: 1px solid var(--endfield-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.hazard-stripe {
  color: var(--endfield-amber);
  font-weight: 900;
  letter-spacing: 2px;
}

.protocol-tag {
  color: var(--endfield-amber);
  font-weight: 700;
  letter-spacing: 1px;
}

.version-tag {
  color: var(--text-muted);
  font-size: 10px;
}

.btn-endfield-close {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--endfield-border);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  clip-path: polygon(0 4px, 4px 0, calc(100% - 4px) 0, 100% 4px, 100% calc(100% - 4px), calc(100% - 4px) 100%, 4px 100%, 0 calc(100% - 4px));
}

.btn-endfield-close:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  color: #ef4444;
}

/* Title Area */
.modal-title-area {
  padding: 24px 28px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-main-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #ffffff;
}

.modal-sub-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--endfield-cyan);
  letter-spacing: 1.5px;
  margin-top: 4px;
}

/* Operator Cards List */
.operator-roster {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 24px 28px;
}

.operator-card {
  background: var(--endfield-card-bg);
  border: 1px solid var(--endfield-border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
  position: relative;
  transition: all 0.25s ease;
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.operator-card:hover {
  background: var(--endfield-card-hover);
  border-color: var(--endfield-cyan);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4), 0 0 16px var(--endfield-cyan-glow);
}

.operator-card.active {
  border-color: var(--endfield-amber);
  background: rgba(245, 158, 11, 0.07);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 20px var(--endfield-amber-glow);
}

/* Card Header */
.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.operator-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--endfield-amber);
}

.operator-status-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--endfield-border);
  color: var(--text-muted);
}

.operator-card.active .operator-status-badge {
  background: var(--endfield-amber);
  color: #0b0f19;
  border-color: var(--endfield-amber);
}

/* Operator Info */
.operator-body {
  display: flex;
  align-items: center;
  gap: 16px;
}

.operator-avatar-box {
  width: 68px;
  height: 68px;
  background: #090d16;
  border: 1px solid var(--endfield-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  position: relative;
  flex-shrink: 0;
  clip-path: polygon(0 6px, 6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.avatar-shiroko {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: white;
}

.avatar-doom {
  background: linear-gradient(135deg, #15803d, #22c55e);
  color: #fef08a;
  border-color: #22c55e;
}

.operator-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.operator-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #ffffff;
}

.operator-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--endfield-cyan);
  font-weight: 600;
}

.operator-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* Card Specs */
.operator-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: rgba(0, 0, 0, 0.35);
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-k {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.spec-v {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-main);
}

/* Deploy Button Inside Card */
.btn-deploy {
  width: 100%;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--endfield-border);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  clip-path: polygon(0 4px, 4px 0, calc(100% - 4px) 0, 100% 4px, 100% calc(100% - 4px), calc(100% - 4px) 100%, 4px 100%, 0 calc(100% - 4px));
}

.operator-card:hover .btn-deploy {
  background: var(--endfield-cyan);
  color: #0b0f19;
  border-color: var(--endfield-cyan);
}

.operator-card.active .btn-deploy {
  background: var(--endfield-amber);
  color: #0b0f19;
  border-color: var(--endfield-amber);
}

/* Modal Footer */
.modal-footer {
  padding: 14px 28px;
  background: rgba(16, 22, 34, 0.95);
  border-top: 1px solid var(--endfield-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

.footer-telemetry {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-action-hint {
  color: var(--endfield-amber);
  font-weight: 600;
}

/* Loading Screen */
#loading-screen {
  position: absolute;
  inset: 0;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 200;
  pointer-events: auto;
  transition: opacity 0.4s ease;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(2, 132, 199, 0.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-title {
  font-size: 15px;
  font-weight: 600;
  color: #0f172a;
}

.loading-bar {
  width: 180px;
  height: 4px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--primary);
  transition: width 0.2s ease;
}

/* Doctor Doom Flight HUD (Levitation Telemetry) */
.flight-hud {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.flight-hud.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(-12px);
  pointer-events: none;
}

.flight-hud-inner {
  background: rgba(12, 16, 26, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(16, 185, 129, 0.55);
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.25), inset 0 0 12px rgba(16, 185, 129, 0.12);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  clip-path: polygon(0 6px, 6px 0, calc(100% - 6px) 0, 100% 6px, 100% calc(100% - 6px), calc(100% - 6px) 100%, 6px 100%, 0 calc(100% - 6px));
}

.flight-tag {
  color: #10b981;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.flight-status {
  background: rgba(16, 185, 129, 0.25);
  color: #34d399;
  padding: 2px 7px;
  border-radius: 2px;
  font-weight: 800;
  font-size: 10px;
  letter-spacing: 1px;
  animation: pulse-green 1.5s infinite alternate;
}

@keyframes pulse-green {
  from { opacity: 0.65; }
  to { opacity: 1; text-shadow: 0 0 8px rgba(16, 185, 129, 0.85); }
}

.flight-controls-hint {
  color: #94a3b8;
  font-size: 10px;
  display: flex;
  gap: 6px;
}

.flight-controls-hint span {
  color: #f1f5f9;
  font-weight: 600;
}