:root {
  --bg-core: #06070a;
  --bg-surface: rgba(15, 17, 22, 0.85);
  --bg-elevated: rgba(22, 25, 35, 0.6);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-border-hover: rgba(255, 255, 255, 0.12);
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-glow: #8b5cf6;
  --indigo: #6366f1;
  --green: #10b981;
  --orange: #f59e0b;
  --pink: #ec4899;
  --danger: #ef4444;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --font: 'Inter', -apple-system, sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 12px;
  --radius-lg: 16px;
}

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

body {
  font-family: var(--font);
  background: var(--bg-core);
  color: var(--text-primary);
  min-height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ═══════ Background ═══════ */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.blob {
  position: fixed; border-radius: 50%; filter: blur(120px); z-index: -1;
  opacity: 0.35; animation: float 12s infinite alternate;
}
.blob-1 { top: -15%; left: -10%; width: 500px; height: 500px; background: var(--accent); }
.blob-2 { bottom: -15%; right: -10%; width: 600px; height: 600px; background: var(--accent-glow); animation-delay: -4s; }
.blob-3 { top: 40%; left: 50%; width: 300px; height: 300px; background: var(--indigo); animation-delay: -8s; opacity: 0.15; }

@keyframes float { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(30px, 40px) scale(1.08); } }

/* ═══════ Views ═══════ */
.view { display: none; height: 100vh; width: 100vw; }
.view.active-view { display: flex; animation: viewIn 0.4s var(--ease) forwards; }
@keyframes viewIn { from { opacity: 0; } to { opacity: 1; } }

/* ═══════ Glass Card ═══════ */
.glass-card {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.glass-card:hover { border-color: var(--glass-border-hover); }

/* ═══════ Inputs ═══════ */
input[type="text"], input[type="password"] {
  width: 100%; padding: 10px 14px; background: rgba(0,0,0,0.3);
  border: 1px solid var(--glass-border); border-radius: 8px;
  color: var(--text-primary); font-family: var(--font); font-size: 0.875rem;
  outline: none; transition: all 0.2s var(--ease);
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
input::placeholder { color: var(--text-muted); }

.input-group { margin-bottom: 16px; }
.input-group label {
  display: block; font-size: 0.75rem; color: var(--text-secondary);
  margin-bottom: 6px; font-weight: 500; letter-spacing: 0.3px;
}
.input-icon-wrap { position: relative; }
.input-icon-wrap input { padding-left: 40px; }
.input-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--text-muted);
}

/* ═══════ Buttons ═══════ */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-glow));
  border: none; color: white; font-weight: 600; font-size: 0.875rem;
  cursor: pointer; transition: all 0.25s var(--ease);
  box-shadow: 0 4px 15px rgba(59,130,246,0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(99,102,241,0.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-sm { padding: 9px 18px; font-size: 0.813rem; }
.btn-ghost {
  background: none; border: none; color: var(--text-secondary);
  cursor: pointer; font-weight: 500; font-size: 0.875rem;
  padding: 9px 18px; border-radius: 8px; transition: all 0.2s;
}
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.hidden { display: none !important; }

/* ═══════ LOGIN ═══════ */
#login-view { justify-content: center; align-items: center; }
.login-wrapper { width: 100%; max-width: 420px; padding: 24px; }
.auth-card { padding: 40px 36px; }
.auth-logo { text-align: center; margin-bottom: 32px; }
.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 16px;
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.15);
  margin-bottom: 16px;
}
.auth-logo h1 {
  font-size: 1.5rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-glow));
  background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.auth-subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 6px; }
.auth-card .btn-primary { width: 100%; margin-top: 8px; padding: 14px; }
.auth-footer {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  margin-top: 24px; color: var(--text-muted); font-size: 0.75rem;
}
.error-toast {
  color: var(--danger); font-size: 0.813rem; margin-bottom: 16px;
  background: rgba(239,68,68,0.08); padding: 10px 14px; border-radius: 8px;
  border: 1px solid rgba(239,68,68,0.15);
}
.spinner { width: 20px; height: 20px; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══════ DASHBOARD LAYOUT ═══════ */
.dashboard-layout { display: grid; grid-template-columns: 260px 1fr; }

/* Sidebar */
.sidebar {
  display: flex; flex-direction: column; padding: 24px 16px;
  border-right: 1px solid var(--glass-border);
  background: rgba(10,12,18,0.6); backdrop-filter: blur(20px);
}
.sidebar-header { padding: 0 8px 28px; border-bottom: 1px solid var(--glass-border); margin-bottom: 20px; }
.brand-mark {
  display: flex; align-items: center; gap: 10px;
}
.brand-name {
  font-weight: 700; font-size: 1.05rem;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-glow));
  background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-menu { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  color: var(--text-secondary); text-decoration: none; border-radius: 8px;
  font-size: 0.875rem; font-weight: 500; transition: all 0.2s var(--ease);
  border: none; background: none; font-family: var(--font); cursor: pointer; width: 100%; text-align: left;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
.nav-item.active { background: rgba(59,130,246,0.1); color: var(--accent-light); }
.sidebar-footer { padding-top: 16px; border-top: 1px solid var(--glass-border); display: flex; flex-direction: column; gap: 12px; }
.system-badge {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  font-size: 0.75rem; color: var(--green); background: rgba(16,185,129,0.06);
  border-radius: 8px; border: 1px solid rgba(16,185,129,0.1);
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.logout-item { color: var(--text-muted) !important; }
.logout-item:hover { color: var(--danger) !important; background: rgba(239,68,68,0.06) !important; }

/* Main Content */
.main-content { padding: 24px 28px; overflow-y: auto; height: 100vh; }
.page { display: none; }
.page.active-page { display: block; animation: pageIn 0.3s var(--ease); }
@keyframes pageIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Page Header */
.page-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 24px;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.page-subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 4px; }
.header-actions { display: flex; gap: 10px; align-items: center; }
.api-badge, .dedup-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 12px; border-radius: 20px; font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.api-badge { background: rgba(99,102,241,0.1); color: var(--indigo); border: 1px solid rgba(99,102,241,0.15); }
.dedup-badge { background: rgba(16,185,129,0.08); color: var(--green); border: 1px solid rgba(16,185,129,0.12); }

/* ═══════ STATS GRID ═══════ */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
  padding: 20px; display: flex; align-items: center; gap: 16px;
  transition: transform 0.2s var(--ease), border-color 0.2s;
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--glass-border-hover); }
.stat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.stat-icon svg { width: 22px; height: 22px; }
.icon-blue { background: rgba(59,130,246,0.1); color: var(--accent-light); }
.icon-indigo { background: rgba(99,102,241,0.1); color: var(--indigo); }
.icon-orange { background: rgba(245,158,11,0.1); color: var(--orange); }
.icon-pink { background: rgba(236,72,153,0.1); color: var(--pink); }
.stat-body { display: flex; flex-direction: column; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; }
.stat-value { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.stat-detail { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; }

/* ═══════ PIPELINE DIAGRAM ═══════ */
.arch-card { padding: 28px; }
.arch-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 24px; color: var(--text-secondary); }
.pipeline-flow {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  padding: 20px 0;
}
.pipeline-node { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.pipeline-node span { font-size: 0.8rem; font-weight: 600; }
.pipeline-node small { font-size: 0.68rem; color: var(--text-muted); }
.node-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s;
}
.node-icon:hover { transform: scale(1.08); }
.node-icon svg { width: 24px; height: 24px; }
.node-client { background: rgba(59,130,246,0.1); color: var(--accent-light); border: 1px solid rgba(59,130,246,0.15); }
.node-lambda { background: rgba(245,158,11,0.1); color: var(--orange); border: 1px solid rgba(245,158,11,0.15); }
.node-sqs { background: rgba(236,72,153,0.1); color: var(--pink); border: 1px solid rgba(236,72,153,0.15); }
.node-worker { background: rgba(99,102,241,0.1); color: var(--indigo); border: 1px solid rgba(99,102,241,0.15); }
.node-api { background: rgba(16,185,129,0.1); color: var(--green); border: 1px solid rgba(16,185,129,0.15); }
.pipeline-arrow { color: var(--text-muted); font-size: 1.4rem; font-weight: 300; }
.pipeline-info { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.info-chip {
  padding: 5px 12px; border-radius: 20px; font-size: 0.7rem; font-weight: 500;
  background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

/* ═══════ DOMAIN CARDS ═══════ */
#domains-container {
  display: flex; flex-direction: column; gap: 16px;
}

.domain-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-surface); border: 1px solid var(--glass-border);
  transition: border-color 0.3s var(--ease);
}
.domain-card:hover { border-color: var(--glass-border-hover); }

.domain-card-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  transition: background 0.15s;
}
.domain-card-header:hover { background: rgba(255,255,255,0.02); }

.domain-card-left { display: flex; align-items: center; gap: 14px; }
.domain-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(59,130,246,0.1); color: var(--accent-light);
  font-weight: 700; font-size: 1rem; flex-shrink: 0;
}
.domain-name { font-weight: 700; font-size: 1rem; }
.domain-meta {
  display: flex; gap: 8px; margin-top: 4px;
}

.pixel-count-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 4px; font-size: 0.68rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px;
}
.pixel-count-badge.fb { background: rgba(99,102,241,0.1); color: var(--indigo); }
.pixel-count-badge.ga { background: rgba(245,158,11,0.1); color: var(--orange); }
.pixel-count-badge.tt { background: rgba(236,72,153,0.1); color: var(--pink); }

.domain-card-right { display: flex; align-items: center; gap: 10px; }

.expand-icon {
  width: 20px; height: 20px; color: var(--text-muted);
  transition: transform 0.25s var(--ease);
}
.domain-card.expanded .expand-icon { transform: rotate(180deg); }

.domain-card-body {
  display: none; padding: 0 24px 20px;
  border-top: 1px solid var(--glass-border);
}
.domain-card.expanded .domain-card-body { display: block; animation: slideDown 0.25s var(--ease); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* Pixel List inside domain card */
.pixel-list {
  display: flex; flex-direction: column; gap: 10px;
  padding-top: 16px;
}

.pixel-row {
  display: grid;
  grid-template-columns: 32px 1fr 1fr auto auto;
  align-items: center; gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--glass-border);
  transition: border-color 0.2s;
}
.pixel-row:hover { border-color: var(--glass-border-hover); }

.pixel-platform-dot {
  width: 10px; height: 10px; border-radius: 50%;
  margin: 0 auto;
}
.pixel-platform-dot.facebook { background: var(--indigo); }
.pixel-platform-dot.google { background: var(--orange); }
.pixel-platform-dot.tiktok { background: var(--pink); }

.pixel-info { display: flex; flex-direction: column; gap: 2px; }
.pixel-info-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.pixel-info-value { font-size: 0.85rem; font-weight: 600; font-family: 'SF Mono', 'Fira Code', monospace; }
.pixel-info-sub { font-size: 0.75rem; color: var(--text-secondary); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 6px; font-size: 0.7rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px;
}
.badge.on { background: rgba(16,185,129,0.1); color: var(--green); }
.badge.off { background: rgba(100,116,139,0.1); color: var(--text-muted); }
.badge.test { background: rgba(245,158,11,0.1); color: var(--orange); }

.pixel-actions { display: flex; gap: 6px; }

.action-btn {
  background: none; border: 1px solid var(--glass-border); color: var(--text-secondary);
  padding: 5px 12px; border-radius: 6px; cursor: pointer; font-size: 0.75rem;
  font-weight: 500; transition: all 0.2s; font-family: var(--font);
}
.action-btn:hover { background: rgba(255,255,255,0.06); color: white; border-color: var(--glass-border-hover); }
.action-btn.del { color: var(--text-muted); }
.action-btn.del:hover { background: rgba(239,68,68,0.1); color: var(--danger); border-color: rgba(239,68,68,0.2); }

.action-btn-icon {
  background: none; border: none; color: var(--text-muted);
  padding: 6px; border-radius: 6px; cursor: pointer;
  transition: all 0.2s; display: flex; align-items: center; justify-content: center;
}
.action-btn-icon:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.action-btn-icon.del:hover { color: var(--danger); background: rgba(239,68,68,0.08); }
.action-btn-icon svg { width: 16px; height: 16px; }

/* Add Pixel Button inside domain card */
.add-pixel-row {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px; border-radius: var(--radius);
  border: 1px dashed var(--glass-border);
  color: var(--text-muted); font-size: 0.8rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
  margin-top: 4px;
}
.add-pixel-row:hover {
  border-color: var(--accent); color: var(--accent-light);
  background: rgba(59,130,246,0.04);
}
.add-pixel-row svg { width: 16px; height: 16px; }

/* Domain card footer with delete domain */
.domain-card-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 14px; margin-top: 14px;
  border-top: 1px solid var(--glass-border);
}
.domain-delete-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; color: var(--text-muted);
  font-size: 0.75rem; font-weight: 500; cursor: pointer;
  padding: 6px 10px; border-radius: 6px;
  font-family: var(--font); transition: all 0.2s;
}
.domain-delete-btn:hover { color: var(--danger); background: rgba(239,68,68,0.08); }
.domain-delete-btn svg { width: 14px; height: 14px; }

.empty-state {
  padding: 60px 20px; text-align: center; display: flex;
  flex-direction: column; align-items: center; gap: 12px;
  color: var(--text-muted); font-size: 0.9rem;
}

/* ═══════ MODAL ═══════ */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
  display: flex; justify-content: center; align-items: center; z-index: 100;
  animation: fadeIn 0.2s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 620px; max-width: 92vw; padding: 0; max-height: 90vh; overflow-y: auto;
}
.modal.modal-sm { width: 440px; }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 28px 0;
}
.modal-header h3 { font-size: 1.15rem; font-weight: 700; }
.modal-close-btn {
  background: none; border: none; color: var(--text-muted); font-size: 1.5rem;
  cursor: pointer; line-height: 1; padding: 4px 8px; border-radius: 6px;
  transition: all 0.2s;
}
.modal-close-btn:hover { color: white; background: rgba(255,255,255,0.05); }
.modal form { padding: 24px 28px; }

/* Platform Section */
.platform-section {
  border: 1px solid var(--glass-border); padding: 20px; border-radius: var(--radius);
  margin-bottom: 16px; transition: border-color 0.2s;
}
.platform-section:hover { border-color: var(--glass-border-hover); }
.platform-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px;
}
.platform-info { display: flex; align-items: center; gap: 10px; }
.platform-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-blue { background: var(--accent); }
.dot-orange { background: var(--orange); }
.dot-pink { background: var(--pink); }
.platform-section h4 { font-size: 0.9rem; font-weight: 600; }
.hint { color: var(--text-muted); font-weight: 400; }
.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Platform Selector (radio buttons) */
.platform-selector {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.platform-option {
  cursor: pointer;
}
.platform-option input { display: none; }
.platform-option-body {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 8px;
  border: 1px solid var(--glass-border);
  font-size: 0.8rem; font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.platform-option-body:hover {
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
}
.platform-option input:checked + .platform-option-body {
  border-color: var(--accent);
  background: rgba(59,130,246,0.08);
  color: var(--accent-light);
}

/* Toggle Switch */
.toggle-switch { position: relative; display: inline-block; width: 40px; height: 22px; cursor: pointer; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; border-radius: 22px; transition: 0.3s;
  background: rgba(100,116,139,0.3); border: 1px solid var(--glass-border);
}
.toggle-slider::before {
  content: ''; position: absolute; width: 16px; height: 16px; border-radius: 50%;
  left: 2px; bottom: 2px; background: white; transition: 0.3s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--glass-border); }

/* ═══════ TOAST ═══════ */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 14px 24px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 200;
  backdrop-filter: blur(12px);
  animation: toastIn 0.3s var(--ease);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.toast.error {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.25);
  color: var(--danger);
}
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ═══════ Responsive ═══════ */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .pixel-row { grid-template-columns: 32px 1fr auto auto; }
  .pixel-row > .pixel-info:nth-child(3) { display: none; }
}
@media (max-width: 768px) {
  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .pipeline-flow { flex-wrap: wrap; }
  .input-row { grid-template-columns: 1fr; }
  .platform-selector { grid-template-columns: 1fr; }
  .pixel-row { grid-template-columns: 32px 1fr auto; }
}