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

:root {
  --bg-base: #050608;
  --bg-card: rgba(18, 22, 32, 0.85);
  --border-glow: rgba(97, 175, 239, 0.25);
  --accent-blue: #61afef;
  --accent-purple: #bb9af7;
  --accent-green: #9dbb55;
  --accent-gold: #e5c07b;
  --text-main: #abb2bf;
  --text-bright: #ffffff;
  --text-dim: #5c6370;
  --danger: #e06c75;
  --bg-card-solid: #12162040;
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-base);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── PARTICLE CANVAS ─── */
#particle-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(5, 6, 8, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 1000;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav-logo {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

.nav-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.01em;
}

.nav-credential {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-bright);
  background: rgba(97, 175, 239, 0.1);
}

.nav-live {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(157, 187, 85, 0.1);
  border: 1px solid rgba(157, 187, 85, 0.3);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
  margin-left: 0.5rem;
}

.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ─── MAIN WRAPPER ─── */
.page-wrapper {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
  min-height: 100vh;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  animation: fadeInUp 0.5s ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── CARDS / GLASSMORPHISM ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.3s, transform 0.2s, box-shadow 0.3s;
}

.card:hover {
  border-color: rgba(97, 175, 239, 0.45);
  box-shadow: 0 8px 32px rgba(97, 175, 239, 0.08);
}

.card-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(97, 175, 239, 0.12);
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s;
  font-family: inherit;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #4a8fd4);
  color: #fff;
  box-shadow: 0 4px 20px rgba(97, 175, 239, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(97, 175, 239, 0.55);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(187, 154, 247, 0.1);
  color: var(--accent-purple);
  border: 1px solid rgba(187, 154, 247, 0.3);
}

.btn-secondary:hover {
  background: rgba(187, 154, 247, 0.2);
  box-shadow: 0 4px 20px rgba(187, 154, 247, 0.25);
}

.btn-green {
  background: linear-gradient(135deg, var(--accent-green), #7da040);
  color: #fff;
  box-shadow: 0 4px 20px rgba(157, 187, 85, 0.35);
}

.btn-green:hover {
  box-shadow: 0 6px 28px rgba(157, 187, 85, 0.55);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-glow);
}

.btn-ghost:hover {
  color: var(--text-bright);
  border-color: var(--accent-blue);
  background: rgba(97, 175, 239, 0.05);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: 12px;
}

/* ─── FLOATING CHAT BUTTON ─── */
.chat-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(97, 175, 239, 0.5);
  animation: fab-pulse 3s infinite;
  transition: transform 0.2s;
}

.chat-fab:hover { transform: scale(1.1); }

@keyframes fab-pulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(97, 175, 239, 0.5); }
  50% { box-shadow: 0 4px 40px rgba(97, 175, 239, 0.8), 0 0 0 12px rgba(97, 175, 239, 0.08); }
}

/* ─── SECTION HEADERS ─── */
.section-header {
  margin-bottom: 2rem;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-sub {
  font-size: 0.95rem;
  color: var(--text-main);
  margin-top: 0.5rem;
  max-width: 600px;
}

/* ─── BADGE ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.badge-blue {
  background: rgba(97, 175, 239, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(97, 175, 239, 0.3);
}

.badge-green {
  background: rgba(157, 187, 85, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(157, 187, 85, 0.3);
}

.badge-gold {
  background: rgba(229, 192, 123, 0.12);
  color: var(--accent-gold);
  border: 1px solid rgba(229, 192, 123, 0.3);
}

.badge-purple {
  background: rgba(187, 154, 247, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(187, 154, 247, 0.3);
}

/* ─── FORM ELEMENTS ─── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  color: var(--text-bright);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(97, 175, 239, 0.12);
}

.form-select option { background: #1a1f2e; }

.form-textarea { resize: vertical; min-height: 80px; }

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-main);
}

.form-checkbox input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--accent-blue);
  width: 16px; height: 16px;
  flex-shrink: 0;
}

/* ─── PROGRESS BAR ─── */
.progress-bar-track {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* ─── TOGGLE SWITCH ─── */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  border-radius: 13px;
  cursor: pointer;
  transition: background 0.3s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent-blue);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
}

/* ─── TABS ─── */
.tabs-nav {
  display: flex;
  gap: 0.25rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 0.35rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  flex: 1;
  padding: 0.65rem 0.5rem;
  background: transparent;
  border: none;
  border-radius: 9px;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.tab-btn.active {
  background: rgba(97, 175, 239, 0.15);
  color: var(--accent-blue);
}

.tab-btn:hover:not(.active) {
  color: var(--text-main);
  background: rgba(255,255,255,0.04);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeInUp 0.3s ease; }

/* ─── TERMINAL / FEED ─── */
.terminal {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(97, 175, 239, 0.15);
  border-radius: 12px;
  padding: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(97, 175, 239, 0.1);
}

.terminal-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.feed-entry {
  display: flex;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  animation: feedSlideIn 0.4s ease;
}

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

.feed-time {
  color: var(--accent-gold);
  flex-shrink: 0;
  width: 68px;
}

.feed-text { color: var(--text-main); }

/* ─── STAT CARDS ─── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.stat-card {
  padding: 1.5rem;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-blue);
  line-height: 1;
  font-family: 'JetBrains Mono', monospace;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* ─── SLIDER ─── */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-blue);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(97, 175, 239, 0.5);
  transition: transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(18, 22, 32, 0.98);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 9999;
  transition: transform 0.35s ease;
  backdrop-filter: blur(12px);
  white-space: nowrap;
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav { padding: 0 1rem; }
  .nav-credential { display: none; }
  .nav-links a span { display: none; }
  .container { padding: 1.25rem 1rem; }
  .tabs-nav { flex-direction: column; }
  .tab-btn { text-align: left; }
  .chat-fab { bottom: 1.25rem; right: 1.25rem; width: 52px; height: 52px; font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .nav-live { display: none; }
}

/* ─── PRINT ─── */
@media print {
  #particle-canvas,
  .nav,
  .chat-fab,
  .btn-no-print,
  .tabs-nav { display: none !important; }

  body { background: #fff; color: #000; font-size: 12pt; }
  .page-wrapper { padding-top: 0; }
  .card { border: 1px solid #ccc; background: #fff; backdrop-filter: none; }
  .text-bright, h1, h2, h3 { color: #000 !important; }
  .section-label { color: #333 !important; }
  .tab-panel { display: block !important; page-break-inside: avoid; }
}