@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --canvas-base-bg: #020204;
  --card-surface: #07070c;
  --border-color: #1e1b4b;
  
  --primary-neon-start: #a855f7;
  --primary-neon-end: #d946ef;
  --primary-solid: #a855f7;
  
  --cyber-cyan: #06b6d4;
  --mint-green: #00ff99;
  --warning-crimson: #ef4444;
  
  --typography-headers: #ffffff;
  --typography-body: #9ca3af;
  
  /* Fonts */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Microgeometry */
  --inner-radius: 12px;
  --parent-radius: 16px;
  --border-width: 1px;
  --glow-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
  --cyan-glow-shadow: 0 0 12px rgba(6, 182, 212, 0.4);
  --mint-glow-shadow: 0 0 12px rgba(0, 255, 153, 0.4);
}

/* Global resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--canvas-base-bg);
}

*::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

*::-webkit-scrollbar-track {
  background: var(--canvas-base-bg);
}

*::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 3px;
}

body {
  background-color: var(--canvas-base-bg);
  color: var(--typography-body);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--typography-headers);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

/* Common Cyberpunk Utility Styles */
.cyber-card {
  background-color: var(--card-surface);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--parent-radius);
  padding: 24px;
  position: relative;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.cyber-card.glow-purple:hover {
  border-color: var(--primary-neon-start);
  box-shadow: var(--glow-shadow);
}

.cyber-card.glow-cyan:hover {
  border-color: var(--cyber-cyan);
  box-shadow: var(--cyan-glow-shadow);
}

.cyber-btn {
  background: linear-gradient(135deg, var(--primary-neon-start), var(--primary-neon-end));
  color: #ffffff;
  border: none;
  border-radius: var(--inner-radius);
  padding: 12px 24px;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.cyber-btn:hover {
  box-shadow: var(--glow-shadow);
  transform: translateY(-1px);
}

.cyber-btn:active {
  transform: translateY(1px);
}

.cyber-btn-accent {
  background: var(--mint-green);
  color: var(--canvas-base-bg);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--inner-radius);
  padding: 12px 24px;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.cyber-btn-accent:hover {
  box-shadow: var(--mint-glow-shadow);
  transform: translateY(-1px);
}

.cyber-btn-secondary {
  background: transparent;
  color: var(--typography-headers);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--inner-radius);
  padding: 12px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.cyber-btn-secondary:hover {
  border-color: var(--cyber-cyan);
  background: rgba(6, 182, 212, 0.05);
}

.cyber-btn:disabled, .cyber-btn-accent:disabled, .cyber-btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.cyber-input {
  background-color: var(--canvas-base-bg);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--inner-radius);
  padding: 14px;
  color: #ffffff;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.cyber-input:focus {
  border-color: var(--primary-neon-start);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.2);
}

/* Text Gradients */
.text-gradient-purple {
  background: linear-gradient(135deg, var(--primary-neon-start), var(--primary-neon-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, var(--cyber-cyan), var(--mint-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* System Alerts / Badges */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-mastered {
  background-color: rgba(168, 85, 247, 0.15);
  color: var(--primary-neon-start);
  border: var(--border-width) solid rgba(168, 85, 247, 0.3);
}

.badge-vulnerable {
  background-color: rgba(6, 182, 212, 0.15);
  color: var(--cyber-cyan);
  border: var(--border-width) solid rgba(6, 182, 212, 0.3);
}

.badge-critical {
  background-color: rgba(217, 70, 239, 0.15);
  color: var(--primary-neon-end);
  border: var(--border-width) solid rgba(217, 70, 239, 0.3);
  animation: pulse-border 2s infinite alternate;
}

.badge-unlocked {
  background-color: rgba(156, 163, 175, 0.1);
  color: var(--typography-body);
  border: var(--border-width) solid rgba(156, 163, 175, 0.2);
}

@keyframes pulse-border {
  0% {
    border-color: rgba(217, 70, 239, 0.3);
    box-shadow: 0 0 2px rgba(217, 70, 239, 0.2);
  }
  100% {
    border-color: rgba(217, 70, 239, 0.8);
    box-shadow: 0 0 8px rgba(217, 70, 239, 0.4);
  }
}

/* Logout Modal Confirmation Styles */
.blueprint-grid {
  background-image: 
    linear-gradient(rgba(30, 27, 75, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 27, 75, 0.2) 1px, transparent 1px);
  background-size: 40px 40px;
}

.neon-glow-green {
  box-shadow: 0 0 20px rgba(0, 255, 133, 0.3), inset 0 0 10px rgba(0, 255, 133, 0.2);
}

.modal-entry {
  animation: modalScale 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalScale {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes reverse-spin {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

.animate-reverse-spin {
  animation: reverse-spin 3s linear infinite;
}

/* Consistently Styled App Logo */
.app-logo {
  height: 70px;
  width: auto;
  mix-blend-mode: screen;
  object-fit: contain;
  display: block;
}

/* Learn v2 Redesign Styling Components */
.mastery-progress {
  background: linear-gradient(90deg, #00FF85 0%, #00b55e 100%);
}

.bento-card {
  background: rgba(35, 30, 39, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid #4d4354;
  transition: all 0.3s ease;
}

.bento-card:hover {
  border-color: #ddb7ff;
  background: rgba(35, 30, 39, 0.8);
}

.glass-panel {
  background: rgba(35, 30, 39, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid #4d4354;
}

.equation-glow {
  text-shadow: 0 0 20px #ddb7ff;
}

.matrix-bg {
  background-image: radial-gradient(circle at 2px 2px, #4d4354 1px, transparent 0);
  background-size: 24px 24px;
}

.cyber-gradient-border {
  position: relative;
  background: #1f1a23;
  border: 1px solid #4d4354;
  transition: all 0.3s ease;
}

.cyber-gradient-border:hover {
  border-color: #ddb7ff;
}

.mission-node-active {
  border: 1px solid #00FF85;
  box-shadow: 0 0 20px rgba(0, 255, 133, 0.15);
}

/* Custom details page bento classes */
.glass-card {
  background: rgba(35, 30, 39, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(77, 67, 84, 0.5);
}
.neon-glow-primary {
  box-shadow: 0 0 15px rgba(221, 183, 255, 0.2);
}
.neon-glow-accent {
  box-shadow: 0 0 20px rgba(0, 255, 133, 0.3), inset 0 0 10px rgba(0, 255, 133, 0.2);
}
.formula-card {
  background: linear-gradient(145deg, #1f1a23, #16111b);
  border: 1px solid #4d4354;
  box-shadow: inset 0 0 20px rgba(77, 170, 255, 0.1);
}

/* Rank Landing Mockup Specific Styles */
.neon-glow-cyan {
  box-shadow: 0 0 15px -2px rgba(76, 215, 246, 0.4);
}
.neon-glow-secondary {
  box-shadow: 0 0 20px -5px rgba(76, 215, 246, 0.4);
}
.lattice-bg {
  background-image: radial-gradient(rgba(76, 215, 246, 0.1) 1px, transparent 1px);
  background-size: 32px 32px;
}
.grid-bg {
  background-image: radial-gradient(circle at 2px 2px, rgba(152, 141, 159, 0.05) 1px, transparent 0);
  background-size: 32px 32px;
}
.progress-laser {
  height: 4px;
  background: #4d4354;
  position: relative;
  overflow: hidden;
}
.progress-laser-fill {
  height: 100%;
  background: linear-gradient(135deg, #ddb7ff 0%, #b76dff 100%);
  box-shadow: 0 0 8px #ddb7ff;
}
.cyber-gradient-text {
  background: linear-gradient(135deg, #ddb7ff 0%, #4cd7f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stamina-pulse {
  animation: pulse-glow-stamina 2s infinite;
}
@keyframes pulse-glow-stamina {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

/* Chat bubble & derivation code blocks styles */
.chat-bubble-ai {
  background: linear-gradient(135deg, rgba(183, 109, 255, 0.1) 0%, rgba(76, 215, 246, 0.1) 100%);
  border: 1px solid rgba(221, 183, 255, 0.2);
}

.math-block {
  background: #000;
  border-left: 3px solid #4cd7f6;
}

.bento-inner {
  background: #110c15;
  border: 1px solid #4d4354;
  transition: all 0.3s ease;
}

.bento-inner:hover {
  border-color: #ddb7ff;
  background: #1f1a23;
}

.neon-border-green {
  box-shadow: 0 0 15px rgba(0, 255, 133, 0.3);
  border: 1px solid #00FF85;
}