:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(56, 189, 248, 0.3);
  
  --telegram-blue: #229ED9;
  --telegram-hover: #1b85b8;
  --accent-cyan: #38bdf8;
  --accent-purple: #818cf8;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --glow-cyan: 0 0 25px rgba(56, 189, 248, 0.2);
  --glow-telegram: 0 0 30px rgba(34, 158, 217, 0.25);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(34, 158, 217, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(129, 140, 248, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(16, 185, 129, 0.04) 0px, transparent 60%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Header */
header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--telegram-blue), var(--accent-cyan));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-telegram);
}

.brand-icon svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.7rem;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.btn-docs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.btn-docs:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-1px);
}

/* Main Layout */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Hero section */
.hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 1rem;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.8rem;
  background: rgba(34, 158, 217, 0.1);
  border: 1px solid rgba(34, 158, 217, 0.25);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--telegram-blue);
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 40%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Grid Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  align-items: start;
}

@media (max-width: 860px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.4;
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Widget Box */
.widget-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  text-align: center;
  position: relative;
}

.widget-box.active {
  border-style: solid;
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.bot-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(34, 158, 217, 0.12);
  color: var(--telegram-blue);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Simulator Buttons */
.simulator-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  outline: none;
  width: 100%;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--telegram-blue), #197bb0);
  color: white;
  box-shadow: var(--glow-telegram);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #28a9e6, var(--telegram-blue));
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger-outline {
  background: rgba(244, 63, 94, 0.05);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.2);
}

.btn-danger-outline:hover {
  background: rgba(244, 63, 94, 0.12);
  border-color: var(--accent-rose);
}

.btn-warning-outline {
  background: rgba(245, 158, 11, 0.05);
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.2);
}

.btn-warning-outline:hover {
  background: rgba(245, 158, 11, 0.12);
  border-color: var(--accent-amber);
}

/* Pipeline visualizer */
.pipeline-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.step-item.pending {
  color: var(--text-muted);
}

.step-item.active {
  background: rgba(56, 189, 248, 0.08);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.step-item.success {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

.step-item.error {
  background: rgba(244, 63, 94, 0.08);
  border-color: var(--accent-rose);
  color: var(--accent-rose);
}

.step-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.step-item.success .step-icon {
  background: var(--accent-emerald);
  color: #064e3b;
  font-weight: bold;
}

.step-item.error .step-icon {
  background: var(--accent-rose);
  color: white;
  font-weight: bold;
}

/* User profile card */
.user-profile {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.user-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.user-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--telegram-blue), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  border: 3px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--glow-telegram);
  overflow: hidden;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-details h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.user-handle {
  color: var(--accent-cyan);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

.user-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.meta-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}

.meta-box label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.meta-box .meta-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

/* Code viewer */
.code-viewer {
  background: #060910;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8rem;
  color: #a5b4fc;
  overflow-x: auto;
  max-height: 220px;
}

/* Alerts */
.alert {
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-top: 1rem;
  border: 1px solid transparent;
}

.alert-error {
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: rgba(10, 14, 23, 0.5);
}

footer a {
  color: var(--accent-cyan);
  text-decoration: none;
}