:root {
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --accent-primary: #ff6b9d;
  --accent-secondary: #c084fc;
  --accent-tertiary: #60a5fa;
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #555566;
  --border-color: #2a2a3a;
  --success: #34d399;
  --warning: #fbbf24;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: linear-gradient(135deg, #1a0a20 0%, #0a0a1a 50%, #0a1520 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(192, 132, 252, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(255, 107, 157, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}

.title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.spicy-toggle {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.spicy-toggle:hover,
.spicy-toggle.active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(255, 107, 157, 0.2);
}

/* Main Content */
.main {
  flex: 1;
  padding: 2rem 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: 380px 1fr;
  }
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-family: 'JetBrains Mono', monospace;
}

/* Grit-O-Meter */
.grit-meter-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
}

.grit-meter {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0;
}

.meter-bg {
  width: 200px;
  height: 100px;
  background: linear-gradient(90deg, 
    rgba(139, 92, 246, 0.3) 0%, 
    rgba(245, 158, 11, 0.3) 33%, 
    rgba(239, 68, 68, 0.3) 66%, 
    rgba(16, 185, 129, 0.3) 100%
  );
  border-radius: 100px 100px 0 0;
  position: relative;
  border: 2px solid var(--border-color);
  border-bottom: none;
}

.meter-labels {
  position: absolute;
  width: 100%;
  bottom: -25px;
  display: flex;
  justify-content: space-between;
  padding: 0 5px;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.meter-needle {
  position: absolute;
  width: 4px;
  height: 80px;
  background: linear-gradient(to top, var(--accent-primary), var(--accent-secondary));
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  transform-origin: bottom center;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(255, 107, 157, 0.5);
}

.meter-center {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--accent-primary);
  border-radius: 50%;
  bottom: -8px;
  left: 50%;
  margin-left: -8px;
  box-shadow: 0 0 15px rgba(255, 107, 157, 0.6);
}

.grit-score {
  font-size: 3rem;
  font-weight: 700;
  margin-top: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
}

.grit-label {
  font-size: 1.1rem;
  font-weight: 500;
  margin-top: 0.5rem;
}

.builder-badge {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2));
  border: 1px solid var(--success);
  border-radius: 1rem;
  padding: 1rem;
  text-align: center;
  color: var(--success);
  font-weight: 600;
  margin-top: 1rem;
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(16, 185, 129, 0.3); }
  50% { box-shadow: 0 0 25px rgba(16, 185, 129, 0.5); }
}

/* Stats Panel */
.stats-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-top: 1rem;
}

.mascot {
  font-size: 3rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.3s ease;
  user-select: none;
}

.mascot:hover {
  transform: scale(1.2) rotate(10deg);
}

.mascot:active {
  transform: scale(0.9);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.stat {
  text-align: center;
  padding: 0.75rem;
  background: var(--bg-dark);
  border-radius: 0.5rem;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-secondary);
  font-family: 'JetBrains Mono', monospace;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Reality Check */
.reality-check-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-top: 1rem;
}

.reality-button {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  border-radius: 0.75rem;
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Space Grotesk', sans-serif;
}

.reality-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 107, 157, 0.3);
}

.reality-button:active {
  transform: translateY(0);
}

.quote-box {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-dark);
  border-radius: 0.5rem;
  border-left: 3px solid var(--accent-secondary);
}

.quote-text {
  font-size: 1rem;
  color: var(--text-primary);
  font-style: italic;
  min-height: 3rem;
}

.cursor {
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Tools Section */
.tools-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.tool-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tool-card:hover {
  border-color: var(--accent-tertiary);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(96, 165, 250, 0.15);
}

.tool-card.expanded {
  border-color: var(--accent-primary);
  box-shadow: 0 10px 30px rgba(255, 107, 157, 0.2);
}

.tool-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.tool-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tool-difficulty {
  font-size: 0.8rem;
}

.tool-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  background: rgba(192, 132, 252, 0.15);
  color: var(--accent-secondary);
  border-radius: 1rem;
  font-family: 'JetBrains Mono', monospace;
}

.tool-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent-primary);
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: 500;
}

.tool-link:hover {
  text-decoration: underline;
}

/* Session Form */
.session-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-top: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group select,
.form-group input[type="text"] {
  padding: 0.75rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'Space Grotesk', sans-serif;
}

.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--accent-tertiary);
}

.form-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent-secondary);
}

.pain-selector {
  display: flex;
  gap: 0.5rem;
}

.pain-btn {
  flex: 1;
  padding: 0.5rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pain-btn:hover {
  background: var(--bg-card-hover);
}

.pain-btn.active {
  border-color: var(--accent-primary);
  background: rgba(255, 107, 157, 0.15);
}

.submit-btn {
  margin-top: 1rem;
  width: 100%;
  padding: 0.875rem;
  background: var(--accent-tertiary);
  border: none;
  border-radius: 0.5rem;
  color: var(--bg-dark);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Space Grotesk', sans-serif;
}

.submit-btn:hover {
  background: #7cb8f8;
  transform: translateY(-2px);
}

/* Timeline */
.timeline-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-top: 1rem;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.clear-btn {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Space Grotesk', sans-serif;
}

.clear-btn:hover {
  border-color: rgba(239, 68, 68, 0.5);
  color: #ef4444;
}

.timeline {
  margin-top: 1rem;
  max-height: 400px;
  overflow-y: auto;
}

.timeline-empty {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  margin-top: 1rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  animation: fadeSlideIn 0.4s ease forwards;
  opacity: 0;
}

.timeline-item:last-child {
  border-bottom: none;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-dot {
  width: 12px;
  height: 12px;
  background: var(--accent-secondary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.timeline-content {
  flex: 1;
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.timeline-date {
  color: var(--accent-tertiary);
  font-family: 'JetBrains Mono', monospace;
}

.timeline-tool {
  color: var(--accent-secondary);
}

.timeline-duration {
  color: var(--text-muted);
}

.timeline-pain {
  font-size: 1rem;
}

.timeline-desc {
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* Footer */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  text-align: center;
}

.footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
}

.footer a:hover {
  text-decoration: underline;
}

.footer-cta {
  margin-top: 0.5rem;
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  font-style: italic;
}

/* Mascot Toast */
.mascot-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 1rem 2rem;
  border-radius: 2rem;
  font-weight: 600;
  z-index: 1000;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  box-shadow: 0 10px 40px rgba(255, 107, 157, 0.4);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes toastOut {
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
}

/* Confetti */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.confetti-particle {
  position: absolute;
  width: 10px;
  height: 10px;
  top: -20px;
  animation: confettiFall linear forwards;
  border-radius: 2px;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .header {
    padding: 1.5rem 1rem;
  }
  
  .spicy-toggle {
    position: static;
    margin-top: 1rem;
  }
  
  .main {
    padding: 1rem;
  }
  
  .grit-score {
    font-size: 2.5rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-meta {
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}