/* ============================================
   CODEQUEST ARENA — GLOBAL STYLES
   Cyberpunk Terminal Aesthetic
   ============================================ */

/* CSS Custom Properties */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #111118;
  --bg-card-hover: #16161f;
  --bg-input: #0d0d14;

  --accent-green: #00ff88;
  --accent-green-dim: rgba(0, 255, 136, 0.2);
  --accent-green-glow: rgba(0, 255, 136, 0.1);
  --accent-cyan: #00d4ff;
  --accent-cyan-dim: rgba(0, 212, 255, 0.2);
  --accent-cyan-glow: rgba(0, 212, 255, 0.1);
  --accent-danger: #ff3366;
  --accent-danger-dim: rgba(255, 51, 102, 0.2);
  --accent-warning: #ffaa00;
  --accent-gold: #ffd700;
  --accent-silver: #c0c0c0;
  --accent-bronze: #cd7f32;

  --text-primary: #e0e0e0;
  --text-secondary: #888;
  --text-muted: #555;

  --border-color: rgba(0, 255, 136, 0.15);
  --border-color-strong: rgba(0, 255, 136, 0.4);

  --shadow-green: 0 0 20px rgba(0, 255, 136, 0.1);
  --shadow-green-strong: 0 0 30px rgba(0, 255, 136, 0.2), 0 0 60px rgba(0, 255, 136, 0.1);
  --shadow-cyan: 0 0 20px rgba(0, 212, 255, 0.1);

  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-green-dim);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-green);
}

/* Selection */
::selection {
  background: var(--accent-green-dim);
  color: var(--accent-green);
}

/* Links */
a {
  color: var(--accent-green);
  text-decoration: none;
  transition: var(--transition-fast);
}
a:hover {
  color: var(--accent-cyan);
}

/* ============================================
   SCANLINE OVERLAY
   ============================================ */
.scanline-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 136, 0.015) 2px,
    rgba(0, 255, 136, 0.015) 4px
  );
}

/* Grid background */
.grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--accent-green);
  text-shadow: 0 0 10px var(--accent-green-glow);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.brand-text .accent {
  color: var(--accent-green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 16px;
  transition: var(--transition-fast);
  letter-spacing: 1px;
}
.nav-link:hover {
  color: var(--accent-green);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-user-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  opacity: 0.8;
}

.nav-status-online {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  opacity: 0.8;
}

.nav-status-offline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-warning);
  text-shadow: 0 0 5px rgba(255, 170, 0, 0.2);
}

.nav-timer {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-green);
  padding: 6px 14px;
  border: 1px solid var(--accent-green-dim);
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 136, 0.05);
  letter-spacing: 2px;
}

.nav-timer.warning {
  color: var(--accent-warning);
  border-color: rgba(255, 170, 0, 0.3);
  background: rgba(255, 170, 0, 0.05);
  animation: pulse-warning 1s infinite;
}

.nav-timer.danger {
  color: var(--accent-danger);
  border-color: var(--accent-danger-dim);
  background: rgba(255, 51, 102, 0.05);
  animation: pulse-danger 0.5s infinite;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-green);
  color: #000;
  box-shadow: var(--shadow-green);
}
.btn-primary:hover {
  background: #33ff99;
  box-shadow: var(--shadow-green-strong);
  transform: translateY(-2px);
  color: #000;
}

.btn-outline {
  background: transparent;
  color: var(--accent-green);
  border: 1px solid var(--accent-green-dim);
}
.btn-outline:hover {
  background: rgba(0, 255, 136, 0.1);
  border-color: var(--accent-green);
  box-shadow: var(--shadow-green);
  transform: translateY(-2px);
}

.btn-cyan {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: var(--shadow-cyan);
}
.btn-cyan:hover {
  background: #33ddff;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
  color: #000;
}

.btn-danger {
  background: var(--accent-danger);
  color: #fff;
}
.btn-danger:hover {
  background: #ff5580;
  box-shadow: 0 0 20px rgba(255, 51, 102, 0.3);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 0.9rem;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

.btn .btn-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: 0.5s;
}
.btn:hover .btn-glow {
  left: 100%;
}

.nav-btn {
  padding: 8px 20px;
  font-size: 0.8rem;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-green);
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition-fast);
}
.form-input:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 15px var(--accent-green-glow);
}
.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-danger);
  margin-top: 6px;
  display: none;
}
.form-error.visible {
  display: block;
}

.form-textarea {
  width: 100%;
  min-height: 200px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  resize: vertical;
  transition: all var(--transition-fast);
}
.form-textarea:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 15px var(--accent-green-glow);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-normal);
}
.card:hover {
  border-color: var(--border-color-strong);
  box-shadow: var(--shadow-green);
  transform: translateY(-4px);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-block;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 20px;
}

.badge-easy {
  color: var(--accent-green);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--accent-green-dim);
}

.badge-medium {
  color: var(--accent-warning);
  background: rgba(255, 170, 0, 0.1);
  border: 1px solid rgba(255, 170, 0, 0.3);
}

.badge-hard {
  color: var(--accent-danger);
  background: rgba(255, 51, 102, 0.1);
  border: 1px solid var(--accent-danger-dim);
}

.badge-success {
  color: var(--accent-green);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--accent-green-dim);
}

.badge-error {
  color: var(--accent-danger);
  background: rgba(255, 51, 102, 0.1);
  border: 1px solid var(--accent-danger-dim);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  max-width: 400px;
  border-left: 3px solid;
}

.toast-success {
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-green);
  border-left-color: var(--accent-green);
  border: 1px solid var(--accent-green-dim);
  border-left: 3px solid var(--accent-green);
}

.toast-error {
  background: rgba(255, 51, 102, 0.1);
  color: var(--accent-danger);
  border-left-color: var(--accent-danger);
  border: 1px solid var(--accent-danger-dim);
  border-left: 3px solid var(--accent-danger);
}

.toast-info {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan-dim);
  border-left: 3px solid var(--accent-cyan);
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent-green-dim);
  border-top-color: var(--accent-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  gap: 20px;
}

.loading-screen .loading-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-green);
}

.cursor-blink {
  animation: blink 1s step-end infinite;
}

/* ============================================
   PAGE LAYOUT
   ============================================ */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px 40px;
  position: relative;
  z-index: 1;
}

.page-header {
  text-align: center;
  margin-bottom: 48px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.accent-text {
  color: var(--accent-green);
  text-shadow: 0 0 20px var(--accent-green-glow);
}

/* ============================================
   TABS
   ============================================ */
.tabs-container {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0;
}

.tab-btn {
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--accent-green);
  background: rgba(0, 255, 136, 0.05);
}

.tab-btn.active {
  color: var(--accent-green);
  background: var(--bg-card);
  border-color: var(--border-color);
  border-bottom-color: var(--bg-card);
  margin-bottom: -1px;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}
.tab-content.active {
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  text-align: center;
  padding: 30px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: 60px;
  position: relative;
  z-index: 1;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(50px);
  }
}

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

@keyframes blink {
  50% { opacity: 0; }
}

@keyframes pulse-warning {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes pulse-danger {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: var(--shadow-green); }
  50% { box-shadow: var(--shadow-green-strong); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes borderGlow {
  0%, 100% { border-color: var(--accent-green-dim); }
  50% { border-color: var(--accent-green); }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-green { color: var(--accent-green); }
.text-cyan { color: var(--accent-cyan); }
.text-danger { color: var(--accent-danger); }
.text-muted { color: var(--text-muted); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.flex { display: flex; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }

/* ============================================
   RESPONSIVE & MOBILE DRAWER STYLES
   ============================================ */
.mobile-nav-controls {
  display: none;
  align-items: center;
  gap: 12px;
}

.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1600;
  padding: 0;
  outline: none;
}

.hamburger-btn .bar {
  width: 100%;
  height: 2px;
  background-color: var(--accent-green);
  box-shadow: var(--shadow-green);
  transition: all var(--transition-normal);
}

.hamburger-btn.active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Slide Drawer */
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 290px;
  height: 100vh;
  background: rgba(10, 10, 15, 0.96);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-left: 1px solid var(--border-color);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.8), -5px 0 20px rgba(0, 255, 136, 0.05);
  z-index: 1800;
  transform: translateX(100%);
  transition: transform var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.nav-drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.drawer-header .brand-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: var(--accent-green);
}

.drawer-header .close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-fast);
}

.drawer-header .close-btn:hover {
  color: var(--accent-danger);
}

.drawer-user-info {
  margin-bottom: 28px;
  padding: 16px;
  background: rgba(0, 255, 136, 0.02);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
}

.drawer-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 6px;
  color: var(--text-primary);
  word-break: break-all;
}

.drawer-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: auto;
}

.drawer-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 2px;
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  text-transform: uppercase;
}

.drawer-link:hover {
  color: var(--accent-green);
  background: rgba(0, 255, 136, 0.05);
  border-left-color: var(--accent-green);
  padding-left: 18px;
}

.drawer-footer {
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.btn-full {
  width: 100%;
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
  
  .mobile-nav-controls {
    display: flex !important;
  }
  
  .navbar {
    padding: 12px 20px;
  }
  
  .page-container {
    padding: 85px 16px 20px;
  }
  
  .page-title {
    font-size: 1.4rem;
    letter-spacing: 2px;
  }
  
  .btn {
    padding: 10px 22px;
    font-size: 0.8rem;
    letter-spacing: 1px;
  }
  
  .card {
    padding: 16px;
  }
  
  .mobile-timer {
    font-size: 0.8rem;
    padding: 4px 10px;
  }
}