:root {
  --bg: #f5f6f8;
  --ink: #1f2937;
  --muted: #667085;
  --line: #e5e8ee;
  --brand: #00c4cc;
  --brand-2: #7d2ae8;
}

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

body {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  background:
    radial-gradient(rgba(71, 84, 103, 0.12) 0.8px, transparent 0.8px),
    linear-gradient(180deg, #f9fafb 0%, var(--bg) 100%);
  background-size: 16px 16px, 100% 100%;
  color: var(--ink);
  min-height: 100vh;
  padding-left: 68px;
}

/* Left rail */
.builder-rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 68px;
  background: linear-gradient(180deg, #1e2a46, #1a2440 58%, #141d33);
  border-right: 1px solid rgba(168, 186, 226, 0.18);
  box-shadow: 8px 0 26px rgba(12, 20, 36, 0.2);
  z-index: 70;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: 0.78rem 0.5rem;
}

.builder-rail-brand {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, #6d6bff, #5a67f2);
}

.builder-rail-brand img {
  width: 18px;
  height: 18px;
  display: block;
}

.builder-rail-nav,
.builder-rail-actions {
  width: 100%;
  display: grid;
  gap: 0.45rem;
}

.builder-rail-actions {
  margin-top: auto;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(164, 183, 224, 0.22);
}

.builder-rail-link {
  width: 100%;
  min-height: 40px;
  border-radius: 10px;
  border: 1px solid transparent;
  display: grid;
  place-items: center;
  color: #dbe4ff;
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

button.builder-rail-link {
  appearance: none;
  cursor: pointer;
  font: inherit;
  padding: 0;
}

.builder-rail-link svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.builder-rail-link::after {
  content: attr(aria-label);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 0.76rem;
  font-weight: 700;
  color: #e8f0ff;
  background: rgba(18, 28, 48, 0.94);
  border: 1px solid rgba(171, 188, 226, 0.24);
  border-radius: 8px;
  padding: 0.26rem 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.builder-rail-link:hover,
.builder-rail-link:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.builder-rail-link:hover::after,
.builder-rail-link:focus-visible::after {
  opacity: 1;
}

.builder-rail-link.is-active {
  color: #ffffff;
  background: rgba(103, 124, 255, 0.52);
  border-color: rgba(178, 193, 255, 0.46);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 7px 16px rgba(71, 97, 197, 0.26);
}

/* Topbar */
.analytics-topbar {
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 0 24px;
}

.analytics-topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.analytics-topbar .brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.analytics-topbar .brand strong {
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

.analytics-topbar .brand span {
  font-size: 0.82rem;
  color: var(--muted);
}

.analytics-nav {
  display: flex;
  gap: 6px;
}

.analytics-nav-btn {
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid #e8edf6;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 2px 10px rgba(17, 24, 39, 0.04);
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.analytics-nav-btn:hover {
  transform: translateY(-1px);
  border-color: #d8e2f0;
  box-shadow: 0 6px 16px rgba(17, 24, 39, 0.08);
}

/* Layout */
.analytics-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 34px 24px 64px;
}

.analytics-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.analytics-hero h1 {
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}

.analytics-hero p {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 620px;
}

.analytics-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* Controls */
.analytics-date-picker {
  position: relative;
}

.date-range-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid #dfe7f3;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 0.87rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(17, 24, 39, 0.05);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.date-range-btn:hover {
  border-color: #cddcf0;
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.09);
  transform: translateY(-1px);
}

.date-range-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #fff;
  border: 1px solid #e3eaf4;
  border-radius: 10px;
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.14);
  overflow: hidden;
  z-index: 50;
  min-width: 160px;
}

.date-range-dropdown.hidden { display: none; }

.date-range-dropdown button {
  display: block;
  width: 100%;
  padding: 10px 16px;
  border: none;
  background: none;
  text-align: left;
  font-size: 0.87rem;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.14s ease;
}

.date-range-dropdown button:hover {
  background: #f7fafc;
}

.date-range-dropdown button.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
}

.analytics-refresh-btn,
.analytics-export-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  border: 1px solid #dfe7f3;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 0.87rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(17, 24, 39, 0.05);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.analytics-refresh-btn:hover,
.analytics-export-btn:hover {
  border-color: #cddcf0;
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.09);
  transform: translateY(-1px);
}

.analytics-refresh-btn.loading svg {
  animation: spin 1s linear infinite;
}

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

/* Status */
.analytics-status {
  text-align: center;
  padding: 26px 18px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 24px;
}

.analytics-status.hidden { display: none; }

/* Cards */
.analytics-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.analytics-cards.hidden { display: none; }

.analytics-card {
  background: #ffffff;
  border: 1px solid #e6ebf3;
  border-radius: 14px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 136px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
  position: relative;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.analytics-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.09);
  border-color: #d8e2f0;
}

.analytics-card.analytics-card-gradient {
  background: linear-gradient(135deg, #7d2ae8 0%, #00c4cc 100%);
  color: #fff;
  border: none;
}

.analytics-card.card-week {
  background: linear-gradient(135deg, #00c4cc 0%, #7d2ae8 100%);
  color: #fff;
  border: none;
}
.analytics-card.card-month {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  color: #fff;
  border: none;
}
.analytics-card.card-orders {
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  color: #fff;
  border: none;
}
.analytics-card.card-members {
  background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  color: #fff;
  border: none;
}
.analytics-card.card-credits {
  background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
  color: #fff;
  border: none;
}
.analytics-card.card-conversion {
  background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
  color: #fff;
  border: none;
}
.analytics-card.card-avg-time {
  background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
  color: #fff;
  border: none;
}

.analytics-card-icon {
  margin-bottom: 8px;
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.18);
}

.analytics-card-label {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.92);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 6px;
  font-weight: 700;
}

.analytics-card:not(.card-week):not(.card-month):not(.card-orders):not(.card-members):not(.card-credits):not(.card-conversion):not(.card-avg-time):not(.analytics-card-gradient) .analytics-card-label {
  color: #667085;
}

.analytics-card-value {
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  font-weight: 700;
  display: block;
  line-height: 1.1;
}

.analytics-card-change {
  font-size: 0.74rem;
  margin-top: 7px;
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  min-height: 22px;
  display: inline-flex;
  align-items: center;
}

.analytics-card-change.positive {
  background: rgba(16, 185, 129, 0.2);
  color: #dcfce7;
}

.analytics-card-change.negative {
  background: rgba(239, 68, 68, 0.24);
  color: #fee2e2;
}

/* Skeleton loading */
.analytics-card.skeleton {
  background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border: 1px solid #e5e7eb;
  min-height: 136px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

#analyticsSkeleton {
  display: grid;
  grid-template-columns: repeat(4, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

#analyticsSkeleton.hidden { display: none; }

/* Sections */
.analytics-section {
  background: #ffffff;
  border: 1px solid #e6ebf3;
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.04);
}

.analytics-section.hidden { display: none; }

.analytics-section h2 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.analytics-section-kicker {
  margin: 0 0 6px;
  color: #667085;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Flow section */
.analytics-flow-head {
  color: #fff;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.analytics-flow-head h2 {
  margin-bottom: 0;
  color: #111827;
}

.analytics-flow-note {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: #f3f6fb;
  border: 1px solid #dce4f1;
  color: #5a6578;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.analytics-flow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.9fr);
  gap: 16px;
}

.analytics-flow-chart {
  min-height: 250px;
  padding: 16px;
  border: 1px solid #dfe6f2;
  border-radius: 14px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.analytics-flow-chart svg {
  width: 100%;
  height: 100%;
  display: block;
}

.analytics-flow-grid-line {
  stroke: #e7edf6;
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.analytics-flow-line {
  fill: none;
  stroke: #4d66e8;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.analytics-flow-area {
  fill: rgba(77, 102, 232, 0.08);
}

.analytics-flow-dot {
  fill: #ffffff;
  stroke: #4d66e8;
  stroke-width: 4;
}

.analytics-flow-dot.is-marketed { stroke: #8b5cf6; }
.analytics-flow-dot.is-selected { stroke: #f59e0b; }
.analytics-flow-dot.is-deployed { stroke: #10b981; }

.analytics-flow-axis-label,
.analytics-flow-axis-value {
  fill: #667085;
  font-size: 12px;
  font-weight: 700;
  text-anchor: middle;
}

.analytics-flow-axis-value {
  fill: #243247;
  font-size: 16px;
}

.analytics-flow-stats {
  display: grid;
  gap: 12px;
}

.analytics-flow-stat {
  padding: 16px;
  border: 1px solid #dfe6f2;
  border-radius: 14px;
  background: #ffffff;
}

.analytics-flow-stat span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.analytics-flow-stat strong {
  display: block;
  color: var(--ink);
  font-size: 1.65rem;
  line-height: 1;
  margin-bottom: 8px;
}

.analytics-flow-stat p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

/* Bar chart */
.analytics-bar-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.analytics-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: default;
  position: relative;
}

.analytics-bar-row:hover .analytics-bar-fill {
  opacity: 1;
}

.analytics-bar-row[title] {
  cursor: help;
}

.analytics-bar-label {
  width: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: right;
  flex-shrink: 0;
  color: #53627b;
}

.analytics-bar-track {
  flex: 1;
  height: 9px;
  background: #f6f8fc;
  border: 1px solid #e1e7f1;
  border-radius: 999px;
  overflow: hidden;
}

.analytics-bar-fill {
  height: 100%;
  border-radius: 999px;
  opacity: 0.92;
  transition: width 0.4s ease;
}

.analytics-bar-value {
  width: 44px;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: right;
  flex-shrink: 0;
  color: #475772;
}

/* Status trend */
.analytics-status-trend-head,
.analytics-status-trend-row {
  display: grid;
  grid-template-columns: 1.3fr repeat(5, minmax(70px, 1fr));
  gap: 8px;
  align-items: center;
}

.analytics-status-trend-head {
  padding: 7px 10px;
  border-radius: 8px;
  background: #f8fbff;
  border: 1px solid #e3e9f3;
  font-size: 0.74rem;
  font-weight: 700;
  color: #6a7990;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.analytics-status-trend-row {
  margin-top: 6px;
  padding: 8px 10px;
  border: 1px solid #e3e9f3;
  border-radius: 8px;
  background: #ffffff;
  font-size: 0.84rem;
}

.analytics-status-month {
  font-weight: 700;
}

/* Member list */
.analytics-member-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.analytics-member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: #f8fafc;
  border-radius: 8px;
  border: 1px solid #e8eef7;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.analytics-member-row:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.06);
}

.analytics-member-name {
  font-size: 0.88rem;
  font-weight: 600;
}

.analytics-member-count {
  font-size: 0.82rem;
  color: var(--muted);
}

/* Recent activity */
.analytics-recent-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.analytics-recent-row {
  display: grid;
  grid-template-columns: 1fr 1fr 100px 120px;
  gap: 8px;
  padding: 10px 12px;
  background: #f8fafc;
  border-radius: 8px;
  border: 1px solid #e8eef7;
  font-size: 0.85rem;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.analytics-recent-row:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.06);
}

.analytics-recent-stage {
  text-transform: capitalize;
  color: var(--muted);
}

.analytics-recent-date {
  color: var(--muted);
  text-align: right;
}

/* Responsive */
@media (max-width: 1100px) {
  .analytics-cards,
  #analyticsSkeleton {
    grid-template-columns: repeat(3, minmax(180px, 1fr));
  }
}

@media (max-width: 860px) {
  .analytics-cards,
  #analyticsSkeleton {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }

  .analytics-topbar-inner {
    flex-direction: column;
    height: auto;
    padding: 12px 0;
    gap: 8px;
    align-items: flex-start;
  }

  .analytics-flow-grid {
    grid-template-columns: 1fr;
  }

  .analytics-header-row {
    flex-direction: column;
    align-items: stretch;
  }

  .analytics-actions {
    justify-content: flex-start;
  }

  .analytics-status-trend-head,
  .analytics-status-trend-row {
    grid-template-columns: 1fr repeat(5, minmax(48px, 1fr));
    font-size: 0.78rem;
  }

  .analytics-recent-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  body {
    padding-left: 62px;
  }

  .builder-rail {
    width: 62px;
  }

  .analytics-shell {
    padding: 24px 14px 52px;
  }

  .analytics-cards,
  #analyticsSkeleton {
    grid-template-columns: 1fr;
  }

  .analytics-card {
    min-height: 120px;
  }

  .date-range-dropdown {
    left: 0;
    right: auto;
  }

  .analytics-flow-note {
    white-space: normal;
    text-align: left;
  }
}