@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;800;900&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #030812;
  --panel: rgba(8, 20, 38, 0.72);
  --cyan: #34f5ff;
  --cyan-glow: rgba(52, 245, 255, 0.35);
  --orange: #ff9d35;
  --orange-glow: rgba(255, 157, 53, 0.35);
  --pink: #e75cff;
  --pink-glow: rgba(231, 92, 255, 0.35);
  --green: #65e68a;
  --green-glow: rgba(101, 230, 138, 0.35);
  --text: #eaf8ff;
  --muted: #7ba2b8;
  --danger: #ff5f76;
  --danger-glow: rgba(255, 95, 118, 0.35);
  --success: #65e68a;
  --success-glow: rgba(101, 230, 138, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(52, 245, 255, 0.12), transparent 40rem),
    radial-gradient(circle at 85% 80%, rgba(255, 157, 53, 0.08), transparent 35rem),
    radial-gradient(circle at 50% 50%, rgba(231, 92, 255, 0.06), transparent 50rem),
    linear-gradient(rgba(52, 245, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52, 245, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  position: relative;
  overflow-x: hidden;
}

/* Cyber Scanline effect overlay */
body::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.18) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 999;
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
}

button,
input,
select {
  font-family: inherit;
}

button {
  position: relative;
  border: 1px solid var(--cyan);
  border-radius: 6px;
  padding: 0.75rem 1.25rem;
  color: var(--cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Orbitron', sans-serif;
  background: rgba(52, 245, 255, 0.06);
  box-shadow: 0 0 10px rgba(52, 245, 255, 0.15), inset 0 0 5px rgba(52, 245, 255, 0.05);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  overflow: hidden;
}

button::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  transition: all 0.4s ease;
}

button:hover::after {
  left: 100%;
}

button:hover {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-2px);
}

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

button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: rgba(52, 245, 255, 0.2);
  background: rgba(0, 0, 0, 0.2);
  color: var(--muted);
  box-shadow: none;
  transform: none;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(52, 245, 255, 0.3);
  border-radius: 6px;
  padding: 0.75rem;
  color: var(--text);
  background: rgba(2, 9, 20, 0.85);
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
  transition: all 0.25s ease;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 12px var(--orange-glow), inset 0 2px 8px rgba(0, 0, 0, 0.5);
}

.shell {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 1.5rem;
  position: relative;
  z-index: 10;
}

/* Glassmorphism panels */
.panel {
  border: 1px solid rgba(52, 245, 255, 0.25);
  border-radius: 16px;
  background: var(--panel);
  backdrop-filter: blur(12px) saturate(180%);
  box-shadow: 
    0 12px 36px rgba(0, 0, 0, 0.55), 
    inset 0 0 20px rgba(52, 245, 255, 0.03);
  transition: border-color 0.4s ease;
}

.panel:hover {
  border-color: rgba(52, 245, 255, 0.38);
}

.start-panel {
  max-width: 720px;
  margin: 6vh auto;
  padding: 2.5rem;
  text-align: center;
}

.eyebrow {
  color: var(--orange);
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.25em;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
  text-shadow: 0 0 8px var(--orange-glow);
}

h1 {
  margin: 0.2rem 0 1rem;
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #fff 20%, var(--cyan) 60%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(52, 245, 255, 0.5));
}

h2 {
  margin: 0 0 1rem;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 0 0 10px var(--cyan-glow);
}

h3 {
  font-family: 'Orbitron', sans-serif;
  color: var(--cyan);
  margin-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 0 0 8px var(--cyan-glow);
}

.intro {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 2rem;
}

.small {
  font-size: 0.85rem;
  color: var(--muted);
}

.message {
  color: var(--orange);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  margin-top: 1.25rem;
  text-shadow: 0 0 6px var(--orange-glow);
  min-height: 1.2rem;
}

.status-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  background: rgba(2, 9, 20, 0.65);
  border: 1px solid rgba(52, 245, 255, 0.15);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.status-line span {
  color: var(--muted);
  font-weight: 500;
}

.status-line strong {
  color: var(--green);
  text-shadow: 0 0 8px var(--green-glow);
}

.menu-grid,
.join-row {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.menu-grid {
  grid-template-columns: 1fr 1fr;
}

/* Game Screen Layout */
.game-screen {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-top: 1rem;
}

.hud {
  padding: 1.5rem;
  border-color: rgba(52, 245, 255, 0.35);
  background: rgba(4, 12, 24, 0.82);
}

.hud h2 {
  font-size: 1.4rem;
  border-bottom: 1px solid rgba(52, 245, 255, 0.2);
  padding-bottom: 0.5rem;
  margin-bottom: 1.2rem;
}

dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 0.8rem;
  margin: 0 0 1.5rem;
}

dt {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: center;
}

dd {
  margin: 0;
  color: var(--cyan);
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: right;
  text-shadow: 0 0 8px var(--cyan-glow);
}

dd#goldValue {
  color: var(--orange);
  text-shadow: 0 0 8px var(--orange-glow);
}

dd#livesValue {
  color: var(--danger);
  text-shadow: 0 0 8px var(--danger-glow);
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.controls label {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.canvas-wrap {
  position: relative;
  overflow: auto;
  border: 2px solid rgba(52, 245, 255, 0.4);
  border-radius: 16px;
  background: #020710;
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.7),
    0 0 25px rgba(52, 245, 255, 0.1);
  padding: 2px;
}

canvas {
  display: block;
  width: 100%;
  max-width: 960px;
  height: auto;
  margin: 0 auto;
  cursor: crosshair;
}

.hidden {
  display: none !important;
}

code {
  color: var(--orange);
  font-family: monospace;
  background: rgba(2, 9, 20, 0.8);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 157, 53, 0.2);
}

/* Authentication styles */
.auth-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.5rem 0;
  background: rgba(2, 9, 20, 0.7);
  border-radius: 8px;
  padding: 0.35rem;
  border: 1px solid rgba(52, 245, 255, 0.15);
}

.auth-tabs button {
  flex: 1;
  background: transparent;
  box-shadow: none;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1rem;
  color: var(--muted);
}

.auth-tabs button.active-tab-btn {
  color: var(--cyan);
  background: rgba(52, 245, 255, 0.12);
  box-shadow: 0 0 8px rgba(52, 245, 255, 0.1);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 380px;
  margin: 0 auto;
}

.offline-opt {
  margin-top: 2rem;
  border-top: 1px solid rgba(52, 245, 255, 0.15);
  padding-top: 1.5rem;
}

.btn-secondary {
  border-color: rgba(123, 162, 184, 0.4);
  background: rgba(123, 162, 184, 0.04);
  color: var(--muted);
  box-shadow: none;
}

.btn-secondary:hover {
  border-color: var(--text);
  color: var(--bg);
  background: var(--text);
  box-shadow: 0 0 15px rgba(234, 248, 255, 0.35);
}

.btn-danger {
  border-color: var(--danger);
  background: rgba(255, 95, 118, 0.05);
  color: var(--danger);
  box-shadow: 0 0 8px rgba(255, 95, 118, 0.1);
}

.btn-danger:hover {
  background: var(--danger);
  color: var(--bg);
  box-shadow: 0 0 20px var(--danger-glow);
}

/* XP Bar */
.xp-container {
  margin: 1.5rem auto;
  max-width: 500px;
  background: rgba(2, 9, 20, 0.5);
  border: 1px solid rgba(52, 245, 255, 0.15);
  padding: 0.8rem;
  border-radius: 10px;
}

.xp-bar-wrap {
  width: 100%;
  height: 14px;
  background: rgba(1, 5, 12, 0.95);
  border: 1px solid rgba(52, 245, 255, 0.25);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--pink) 100%);
  box-shadow: 0 0 12px var(--cyan);
  transition: width 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 1.5rem 0 2rem;
  border-bottom: 1px solid rgba(52, 245, 255, 0.15);
  padding-bottom: 1.2rem;
}

.tab-btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  background: transparent;
  border-color: rgba(52, 245, 255, 0.25);
  box-shadow: none;
}

.tab-btn.active {
  background: rgba(52, 245, 255, 0.15);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
}

.tab-content {
  margin-top: 1rem;
  animation: fadeIn 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Shop Upgrades */
.shop-header {
  margin-bottom: 2rem;
  text-align: center;
}

.credits-display {
  font-size: 1.35rem;
  margin-top: 0.75rem;
  font-family: 'Orbitron', sans-serif;
  color: var(--text);
  background: rgba(2, 9, 20, 0.6);
  display: inline-block;
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 157, 53, 0.25);
}

.credits-display strong {
  color: var(--orange);
  text-shadow: 0 0 10px var(--orange-glow);
  margin-left: 0.35rem;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.shop-item {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  background: rgba(5, 15, 30, 0.8);
  border-color: rgba(52, 245, 255, 0.2);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.shop-item:hover {
  border-color: var(--cyan);
  box-shadow: 0 5px 20px rgba(52, 245, 255, 0.12);
  transform: translateY(-4px);
}

.shop-item h4 {
  margin: 0 0 0.5rem;
  color: var(--cyan);
  font-family: 'Orbitron', sans-serif;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  text-shadow: 0 0 8px var(--cyan-glow);
}

.shop-item p {
  margin: 0.5rem 0;
  line-height: 1.4;
}

.shop-item strong {
  color: var(--orange);
}

.shop-item button {
  width: 100%;
  font-size: 0.8rem;
  padding: 0.6rem;
  margin-top: 1.2rem;
}

/* Friends Panel */
.add-friend-row {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.friends-list-wrap {
  margin-top: 2rem;
  text-align: left;
}

.friends-list-wrap h4 {
  border-bottom: 2px solid rgba(52, 245, 255, 0.15);
  padding-bottom: 0.5rem;
  color: var(--cyan);
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.05em;
}

.custom-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.custom-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(52, 245, 255, 0.1);
  background: rgba(2, 9, 20, 0.55);
  border-radius: 8px;
  margin-bottom: 0.6rem;
  border-left: 3px solid rgba(52, 245, 255, 0.2);
}

.friend-info {
  display: flex;
  flex-direction: column;
}

.friend-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.friend-badge {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-left: 0.5rem;
  border: 1px solid;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.friend-badge.online { color: var(--success); border-color: var(--success); background: rgba(101, 230, 138, 0.08); text-shadow: 0 0 5px var(--green-glow); }
.friend-badge.offline { color: var(--muted); border-color: rgba(123, 162, 184, 0.3); background: rgba(123, 162, 184, 0.05); }
.friend-badge.ingame { color: var(--pink); border-color: var(--pink); background: rgba(231, 92, 255, 0.08); text-shadow: 0 0 5px var(--pink-glow); }

.friend-actions button {
  padding: 0.45rem 1rem;
  font-size: 0.75rem;
}

/* Admin panel table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  text-align: left;
}

.admin-table th, .admin-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(52, 245, 255, 0.15);
}

.admin-table th {
  color: var(--cyan);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(2, 9, 20, 0.4);
}

.admin-table tr {
  transition: background 0.2s ease;
}

.admin-table tr:hover {
  background: rgba(52, 245, 255, 0.04);
}

.admin-table button {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  margin-right: 0.3rem;
  letter-spacing: 0.05em;
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 6, 12, 0.88);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  backdrop-filter: blur(6px);
}

.modal-content {
  padding: 2.5rem;
  max-width: 440px;
  width: 90%;
  text-align: center;
  border-color: var(--orange);
  box-shadow: 0 10px 40px rgba(255, 157, 53, 0.15);
}

.modal-content h3 {
  color: var(--orange);
  text-shadow: 0 0 10px var(--orange-glow);
}

.modal-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

@media (max-width: 820px) {
  .game-screen {
    grid-template-columns: 1fr;
  }

  .hud {
    order: 2;
  }

  .menu-grid,
  .join-row {
    grid-template-columns: 1fr;
  }

  .tab-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .add-friend-row {
    grid-template-columns: 1fr;
  }
}