@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root {
  color-scheme: dark;
  --bg: #0f0d13;
  --surface: #1c1b1f;
  --surface-container: #211f26;
  --surface-container-high: #2b2930;
  --surface-variant: #49454f;
  --outline: #938f99;
  --outline-variant: #49454f;
  --text: #e6e1e5;
  --muted: #cac4d0;
  --primary: #d0bcff;
  --primary-container: #4f378b;
  --on-primary-container: #eaddff;
  --secondary: #ccc2dc;
  --tertiary: #efb8c8;
  --error: #f2b8b5;
  --success: #4ade80;
  --warning: #fbbf24;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Avenir Next", sans-serif;
  color: var(--text);
  background: var(--bg);
  position: relative;
}

#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.6;
}

.shell {
  width: min(1200px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 60px 0 56px;
}

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

.eyebrow {
  margin: 0 0 8px;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lede {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 32px;
}

.section-title {
  margin: 0 0 8px;
  font-size: 1.5rem;
  color: var(--text);
}

.panel-subtitle {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Client Selector */
.client-selector {
  padding: 32px;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.client-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: all 200ms ease;
  position: relative;
}

.client-card:hover {
  background: var(--surface-container-high);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.client-card.featured {
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, var(--surface-container) 0%, var(--surface-container-high) 100%);
}

.client-card.featured::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -1px;
  right: 16px;
  background: var(--primary);
  color: var(--bg);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 0 0 8px 8px;
  letter-spacing: 0.05em;
}

.client-card.external::after {
  content: '↗';
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--muted);
  font-size: 1.2rem;
}

.client-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.client-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.client-desc {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 12px;
  line-height: 1.4;
}

.client-features {
  font-size: 0.75rem;
  color: var(--secondary);
  background: var(--surface-container-high);
  padding: 8px 12px;
  border-radius: 6px;
  margin-top: auto;
}

/* External Clients Section */
.external-clients {
  padding: 32px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-container) 100%);
  border: 2px dashed var(--outline-variant);
}

.external-clients .section-title {
  color: var(--secondary);
}

.external-only .client-card {
  opacity: 0.9;
}

.external-only .client-card:hover {
  opacity: 1;
}

/* MUD Cards */
.muds-panel {
  padding: 32px;
}

.muds-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.mud-card {
  display: flex;
  align-items: center;
  padding: 20px;
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  cursor: pointer;
  transition: all 150ms ease;
  position: relative;
}

.mud-card:hover {
  background: var(--surface-container-high);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.mud-card.fantasy { border-left-color: var(--primary); }
.mud-card.commercial { border-left-color: #ffd700; }
.mud-card.scifi { border-left-color: #00d4ff; }
.mud-card.humor { border-left-color: #ff6b6b; }
.mud-card.political { border-left-color: #9b59b6; }
.mud-card.cyberpunk { border-left-color: #ff00ff; }
.mud-card.accessible { border-left-color: #4ade80; }
.mud-card.tolkien { border-left-color: #22c55e; }
.mud-card.classic { border-left-color: #f97316; }
.mud-card.starwars { border-left-color: #3b82f6; }

.mud-icon {
  font-size: 2rem;
  margin-right: 16px;
  flex-shrink: 0;
}

.mud-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.mud-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.mud-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.mud-meta {
  font-size: 0.75rem;
  color: var(--secondary);
}

.mud-connect-btn {
  margin-left: 16px;
  padding: 10px 20px;
  background: var(--primary-container);
  color: var(--on-primary-container);
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 150ms ease;
  flex-shrink: 0;
}

.mud-connect-btn:hover {
  background: var(--primary);
  color: var(--bg);
}

.view-all-muds {
  text-align: center;
  margin-top: 24px;
}

.btn-secondary {
  display: inline-block;
  padding: 12px 24px;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 150ms ease;
}

.btn-secondary:hover {
  background: var(--primary-container);
}

/* Info Panels */
.info-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.info-card {
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  border-radius: 12px;
  padding: 24px;
}

.info-card h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  color: var(--primary);
}

.info-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.info-card a {
  color: var(--primary);
  text-decoration: none;
}

.info-card a:hover {
  text-decoration: underline;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
  padding: 32px;
  max-width: 600px;
  width: 100%;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close-btn {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--muted);
  cursor: pointer;
  transition: color 150ms ease;
}

.close-btn:hover {
  color: var(--text);
}

.modal-content h3 {
  margin: 0 0 8px;
  font-size: 1.4rem;
}

.modal-subtitle {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.modal-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.modal-option {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: all 150ms ease;
}

.modal-option:hover {
  background: var(--surface-container-high);
  border-color: var(--primary);
}

.modal-option.external::after {
  content: '↗';
  position: absolute;
  top: 12px;
  right: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.option-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.option-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.option-desc {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.option-features {
  font-size: 0.7rem;
  color: var(--secondary);
  background: rgba(208, 188, 255, 0.1);
  padding: 6px 10px;
  border-radius: 4px;
  margin-top: 8px;
}

.modal-option.featured {
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, var(--surface-container) 0%, rgba(208, 188, 255, 0.1) 100%);
}

.modal-option.featured::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -1px;
  right: 12px;
  background: var(--primary);
  color: var(--bg);
  font-size: 0.6rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 0 0 6px 6px;
  letter-spacing: 0.05em;
}

.modal-options.two-options {
  gap: 16px;
}

.modal-options.two-options .modal-option {
  position: relative;
  padding: 24px;
}

.modal-footer {
  padding-top: 20px;
  border-top: 1px solid var(--outline-variant);
  text-align: center;
}

.modal-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.modal-footer a {
  color: var(--primary);
  text-decoration: none;
}

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

.modal-footer code {
  background: var(--surface-container-high);
  padding: 3px 8px;
  border-radius: 4px;
  color: var(--secondary);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
}

.modal-telnet {
  padding-top: 20px;
  border-top: 1px solid var(--outline-variant);
  text-align: center;
}

.modal-telnet p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.modal-telnet code {
  background: var(--surface-container-high);
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--secondary);
  font-family: "IBM Plex Mono", monospace;
}

/* Responsive */
@media (max-width: 900px) {
  .clients-grid {
    grid-template-columns: 1fr;
  }
  
  .muds-grid {
    grid-template-columns: 1fr;
  }
  
  .info-panels {
    grid-template-columns: 1fr;
  }
  
  .modal-options {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .shell {
    padding: 40px 0;
  }
  
  .panel {
    padding: 24px;
  }
  
  .mud-card {
    flex-wrap: wrap;
  }
  
  .mud-connect-btn {
    margin-left: auto;
    margin-top: 12px;
    width: 100%;
  }
  
  .modal-content {
    padding: 24px;
  }
}