/* NASA-Style Space UI Theme */
@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;600;700&display=swap');

:root {
  --nasa-blue: #00d4ff;
  --mars-orange: #ff6b35;
  --earth-teal: #4dffdb;
  --deep-space: #000510;
  --hud-border: rgba(0, 212, 255, 0.5); /* Increased visibility */
  --glass-bg: rgba(0, 5, 16, 0.85); /* Increased opacity for readability */
}

/* Override base typography */
body {
  font-family: 'Space Mono', monospace;
  background: var(--deep-space);
}

h1, h2, h3, .brand, .lobby-section-title {
  font-family: 'Exo 2', sans-serif;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-shadow: 0 0 15px rgba(0, 212, 255, 0.5); /* Added glow */
}

/* NASA Corner Brackets */
.nasa-panel {
  position: relative;
  border: 1px solid var(--hud-border);
  background: var(--glass-bg);
  backdrop-filter: blur(20px); /* Increased blur */
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.15); /* Added outer glow */
  transition: box-shadow 0.3s ease;
}

.nasa-panel:hover {
  box-shadow: 0 0 35px rgba(0, 212, 255, 0.25);
}

.nasa-panel::before,
.nasa-panel::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--nasa-blue);
  box-shadow: 0 0 10px var(--nasa-blue); /* Glowing corners */
}

.nasa-panel::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.nasa-panel::after {
  top: -1px;
  right: -1px;
  border-left: none;
  border-bottom: none;
}

/* Mission Control Label */
.mission-label {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--nasa-blue);
  text-align: center;
  margin-bottom: 1rem;
  opacity: 1; /* Full opacity */
  text-shadow: 0 0 5px var(--nasa-blue);
}

/* Auth Screen Styling */
.auth-box {
  border: 1px solid var(--hud-border) !important;
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px);
  position: relative;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

/* Buttons - Mission Style */
button {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

button:hover {
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
  transform: translateY(-2px);
  text-shadow: 0 0 8px currentColor;
}

button:active {
  transform: translateY(0);
}

.btn-primary, .bg-nasa {
  background: linear-gradient(135deg, var(--nasa-blue), #0099cc) !important;
  border: 1px solid var(--nasa-blue) !important;
  color: #000 !important;
  font-weight: 700 !important;
}

.btn-primary:hover, .bg-nasa:hover {
  filter: brightness(1.2);
}

/* Telemetry Stats */
.stat-pill {
  font-family: 'Exo 2', sans-serif !important;
  border: 1px solid var(--hud-border) !important;
  background: rgba(0, 212, 255, 0.1) !important;
  letter-spacing: 0.15em;
  box-shadow: inset 0 0 10px rgba(0, 212, 255, 0.1);
}

/* Game Screen Enhancements */
#screen-game {
  background: rgba(0, 5, 16, 0.9); /* Darker background for game */
}

/* Board - Targeting Grid */
#board, .grid-cols-3 {
  border: 1px solid var(--hud-border) !important;
  background: rgba(0, 5, 16, 0.8) !important;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.cell, .aspect-square {
  border: 1px solid rgba(0, 212, 255, 0.3) !important;
  background: rgba(0, 5, 16, 0.4) !important;
  position: relative;
  transition: all 0.2s;
}

.cell:hover, .aspect-square:hover:not(:disabled) {
  background: rgba(0, 212, 255, 0.15) !important;
  border-color: var(--nasa-blue) !important;
  box-shadow: inset 0 0 15px rgba(0, 212, 255, 0.2);
}

/* Player Panels - Spacecraft Style */
.player-panel {
  border: 1px solid var(--hud-border) !important;
  background: var(--glass-bg) !important;
  backdrop-filter: blur(15px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.pp-name {
  font-family: 'Exo 2', sans-serif !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem !important;
  text-shadow: 0 0 5px currentColor;
}

/* Waiting Screen */
.waiting-card {
  border: 1px solid var(--hud-border) !important;
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.1);
}

.room-code-display {
  font-family: 'Exo 2', sans-serif !important;
  letter-spacing: 0.5em !important;
  color: var(--nasa-blue) !important;
  text-shadow: 0 0 20px var(--nasa-blue), 0 0 40px var(--nasa-blue);
  font-weight: 700;
}

/* Input Fields */
input {
  background: rgba(0, 10, 20, 0.8) !important;
  border: 1px solid var(--hud-border) !important;
  color: #fff !important;
  font-family: 'Space Mono', monospace !important;
  transition: all 0.3s;
}

input:focus {
  border-color: var(--nasa-blue) !important;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3) !important;
  background: rgba(0, 15, 30, 0.9) !important;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nasa-panel::before,
  .nasa-panel::after {
    width: 15px;
    height: 15px;
    border-width: 1px;
  }
  
  .mission-label {
    font-size: 0.65rem;
  }
}

/* 3D Board CSS transforms */
.board-3d-container {
  perspective: 1200px;
  perspective-origin: 50% 50%;
  padding: 1.5rem;
  will-change: transform;
}

.board-3d {
  transform-style: preserve-3d;
  transform: rotateX(var(--tilt-y, 15deg)) rotateY(var(--tilt-x, -5deg)) translateZ(0);
  transition: transform 0.1s ease-out, box-shadow 0.3s;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(0, 212, 255, 0.15);
}

/* 3D Game Cells */
.cell-3d {
  transform-style: preserve-3d;
  transform: translateZ(0px);
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.2s, background-color 0.2s !important;
}

.cell-3d:hover:not(:disabled) {
  transform: translateZ(15px) !important;
  box-shadow: 
    0 15px 30px rgba(0, 212, 255, 0.3),
    inset 0 0 12px rgba(0, 212, 255, 0.25) !important;
  background: rgba(0, 212, 255, 0.15) !important;
  border-color: var(--nasa-blue) !important;
}

.cell-3d:active:not(:disabled) {
  transform: translateZ(5px) !important;
}

/* 3D Tactile Buttons */
.btn-3d {
  position: relative;
  transition: all 0.1s ease;
  transform: translateY(0);
  box-shadow: 0 4px 0 var(--btn-shadow, #0088cc), 0 8px 16px rgba(0, 0, 0, 0.4);
}

.btn-3d:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--btn-shadow, #0088cc), 0 10px 20px rgba(0, 212, 255, 0.15);
}

.btn-3d:active {
  transform: translateY(4px);
  box-shadow: 0 0 0 var(--btn-shadow, #0088cc), 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Cybernetic Hologram Overlay panels */
.glass-hologram {
  position: relative;
  border: 1px solid rgba(0, 212, 255, 0.25) !important;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 5, 16, 0.85) 100%) !important;
  box-shadow: 
    inset 0 0 20px rgba(0, 212, 255, 0.1),
    0 10px 30px rgba(0, 0, 0, 0.5) !important;
  backdrop-filter: blur(20px);
  position: relative;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

/* Buttons - Mission Style */
button {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

button:hover {
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
  transform: translateY(-2px);
  text-shadow: 0 0 8px currentColor;
}

button:active {
  transform: translateY(0);
}

.btn-primary, .bg-nasa {
  background: linear-gradient(135deg, var(--nasa-blue), #0099cc) !important;
  border: 1px solid var(--nasa-blue) !important;
  color: #000 !important;
  font-weight: 700 !important;
}

.btn-primary:hover, .bg-nasa:hover {
  filter: brightness(1.2);
}

/* Telemetry Stats */
.stat-pill {
  font-family: 'Exo 2', sans-serif !important;
  border: 1px solid var(--hud-border) !important;
  background: rgba(0, 212, 255, 0.1) !important;
  letter-spacing: 0.15em;
  box-shadow: inset 0 0 10px rgba(0, 212, 255, 0.1);
}

/* Game Screen Enhancements */
#screen-game {
  background: rgba(0, 5, 16, 0.9); /* Darker background for game */
}

/* Board - Targeting Grid */
#board, .grid-cols-3 {
  border: 1px solid var(--hud-border) !important;
  background: rgba(0, 5, 16, 0.8) !important;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.cell, .aspect-square {
  border: 1px solid rgba(0, 212, 255, 0.3) !important;
  background: rgba(0, 5, 16, 0.4) !important;
  position: relative;
  transition: all 0.2s;
}

.cell:hover, .aspect-square:hover:not(:disabled) {
  background: rgba(0, 212, 255, 0.15) !important;
  border-color: var(--nasa-blue) !important;
  box-shadow: inset 0 0 15px rgba(0, 212, 255, 0.2);
}

/* Player Panels - Spacecraft Style */
.player-panel {
  border: 1px solid var(--hud-border) !important;
  background: var(--glass-bg) !important;
  backdrop-filter: blur(15px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.pp-name {
  font-family: 'Exo 2', sans-serif !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem !important;
  text-shadow: 0 0 5px currentColor;
}

/* Waiting Screen */
.waiting-card {
  border: 1px solid var(--hud-border) !important;
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.1);
}

.room-code-display {
  font-family: 'Exo 2', sans-serif !important;
  letter-spacing: 0.5em !important;
  color: var(--nasa-blue) !important;
  text-shadow: 0 0 20px var(--nasa-blue), 0 0 40px var(--nasa-blue);
  font-weight: 700;
}

/* Input Fields */
input {
  background: rgba(0, 10, 20, 0.8) !important;
  border: 1px solid var(--hud-border) !important;
  color: #fff !important;
  font-family: 'Space Mono', monospace !important;
  transition: all 0.3s;
}

input:focus {
  border-color: var(--nasa-blue) !important;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3) !important;
  background: rgba(0, 15, 30, 0.9) !important;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nasa-panel::before,
  .nasa-panel::after {
    width: 15px;
    height: 15px;
    border-width: 1px;
  }
  
  .mission-label {
    font-size: 0.65rem;
  }
}

/* 3D Board CSS transforms */
.board-3d-container {
  perspective: 1200px;
  perspective-origin: 50% 50%;
  padding: 1.5rem;
  will-change: transform;
}

.board-3d {
  transform-style: preserve-3d;
  transform: rotateX(var(--tilt-y, 15deg)) rotateY(var(--tilt-x, -5deg)) translateZ(0);
  transition: transform 0.1s ease-out, box-shadow 0.3s;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(0, 212, 255, 0.15);
}

/* 3D Game Cells */
.cell-3d {
  transform-style: preserve-3d;
  transform: translateZ(0px);
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.2s, background-color 0.2s !important;
}

.cell-3d:hover:not(:disabled) {
  transform: translateZ(15px) !important;
  box-shadow: 
    0 15px 30px rgba(0, 212, 255, 0.3),
    inset 0 0 12px rgba(0, 212, 255, 0.25) !important;
  background: rgba(0, 212, 255, 0.15) !important;
  border-color: var(--nasa-blue) !important;
}

.cell-3d:active:not(:disabled) {
  transform: translateZ(5px) !important;
}

/* 3D Tactile Buttons */
.btn-3d {
  position: relative;
  transition: all 0.1s ease;
  transform: translateY(0);
  box-shadow: 0 4px 0 var(--btn-shadow, #0088cc), 0 8px 16px rgba(0, 0, 0, 0.4);
}

.btn-3d:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--btn-shadow, #0088cc), 0 10px 20px rgba(0, 212, 255, 0.15);
}

.btn-3d:active {
  transform: translateY(4px);
  box-shadow: 0 0 0 var(--btn-shadow, #0088cc), 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Cybernetic Hologram Overlay panels */
.glass-hologram {
  position: relative;
  border: 1px solid rgba(0, 212, 255, 0.25) !important;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 5, 16, 0.85) 100%) !important;
  box-shadow: 
    inset 0 0 20px rgba(0, 212, 255, 0.1),
    0 10px 30px rgba(0, 0, 0, 0.5) !important;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  overflow: hidden;
}

.glass-hologram::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: 
    linear-gradient(to right, var(--nasa-blue) 2px, transparent 2px) 0 0,
    linear-gradient(to bottom, var(--nasa-blue) 2px, transparent 2px) 0 0,
    linear-gradient(to left, var(--nasa-blue) 2px, transparent 2px) 100% 0,
    linear-gradient(to bottom, var(--nasa-blue) 2px, transparent 2px) 100% 0,
    linear-gradient(to right, var(--nasa-blue) 2px, transparent 2px) 0 100%,
    linear-gradient(to top, var(--nasa-blue) 2px, transparent 2px) 0 100%,
    linear-gradient(to left, var(--nasa-blue) 2px, transparent 2px) 100% 100%,
    linear-gradient(to top, var(--nasa-blue) 2px, transparent 2px) 100% 100%;
  background-repeat: no-repeat;
  background-size: 8px 8px;
  opacity: 0.8;
  pointer-events: none;
}

/* ── HUD FUTURISTIC BUTTON SYSTEM ────────────────────────────────────── */

/* Base HUD button styling */
.btn-hud {
  position: relative;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.35);
  color: #00d4ff;
  font-family: 'Exo 2', sans-serif;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: inset 0 0 12px rgba(0, 212, 255, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  cursor: pointer;
  outline: none;
}

/* Light sweep effect on hover */
.btn-hud::before {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 212, 255, 0.25),
    transparent
  );
  transition: all 0.75s ease;
  pointer-events: none;
}

.btn-hud:hover::before {
  left: 150%;
}

.btn-hud:hover:not(:disabled) {
  background: rgba(0, 212, 255, 0.15);
  border-color: #00d4ff;
  box-shadow: 
    0 0 22px rgba(0, 212, 255, 0.4),
    inset 0 0 15px rgba(0, 212, 255, 0.25);
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-hud:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 
    0 0 10px rgba(0, 212, 255, 0.2),
    inset 0 0 12px rgba(0, 212, 255, 0.4);
}

.btn-hud:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Primary/Launch HUD Button (Teal-cyan matrix gradient) */
.btn-hud-primary {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(77, 255, 219, 0.15) 100%);
  border: 1px solid #4dffdb;
  color: #4dffdb;
  text-shadow: 0 0 8px rgba(77, 255, 219, 0.6);
  box-shadow: 
    0 0 15px rgba(0, 212, 255, 0.15),
    inset 0 0 10px rgba(0, 212, 255, 0.1);
}

.btn-hud-primary::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(77, 255, 219, 0.45),
    transparent
  );
}

.btn-hud-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.35) 0%, rgba(77, 255, 219, 0.3) 100%);
  border-color: #ffffff;
  box-shadow: 
    0 0 25px rgba(77, 255, 219, 0.55),
    0 0 12px rgba(0, 212, 255, 0.35),
    inset 0 0 18px rgba(77, 255, 219, 0.4);
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.95);
  color: #ffffff;
}

/* Danger / Abort HUD Button (Mars Orange theme) */
.btn-hud-danger {
  background: rgba(255, 107, 53, 0.05);
  border: 1px solid rgba(255, 107, 53, 0.4);
  color: #ff6b35;
  text-shadow: 0 0 6px rgba(255, 107, 53, 0.5);
  box-shadow: inset 0 0 10px rgba(255, 107, 53, 0.05);
}

.btn-hud-danger::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 107, 53, 0.3),
    transparent
  );
}

.btn-hud-danger:hover:not(:disabled) {
  background: rgba(255, 107, 53, 0.18);
  border-color: #ff6b35;
  box-shadow: 
    0 0 25px rgba(255, 107, 53, 0.45),
    inset 0 0 15px rgba(255, 107, 53, 0.35);
  text-shadow: 0 0 12px rgba(255, 107, 53, 0.8);
  color: #ffffff;
}

/* Tournament HUD Button (Nebula Purple theme) */
.btn-hud-purple {
  background: rgba(168, 85, 247, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.45);
  color: #c084fc;
  text-shadow: 0 0 6px rgba(168, 85, 247, 0.5);
  box-shadow: inset 0 0 10px rgba(168, 85, 247, 0.05);
}

.btn-hud-purple::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(168, 85, 247, 0.3),
    transparent
  );
}

.btn-hud-purple:hover:not(:disabled) {
  background: rgba(168, 85, 247, 0.2);
  border-color: #d8b4fe;
  box-shadow: 
    0 0 25px rgba(168, 85, 247, 0.5),
    inset 0 0 15px rgba(168, 85, 247, 0.35);
  text-shadow: 0 0 12px rgba(216, 180, 254, 0.85);
  color: #ffffff;
}