:root {
  --bg: #f5efe6;
  --bg-accent: #efe0cf;
  --ink: #1b1816;
  --muted: #6a625b;
  --line: rgba(27, 24, 22, 0.1);
  --panel: rgba(255, 252, 247, 0.85);
  --panel-strong: #fffaf3;
  --primary: #c65d2e;
  --primary-deep: #8f3815;
  --secondary: #145c63;
  --success: #1c7c54;
  --warning: #c4831f;
  --danger: #b0443e;
  --shadow: 0 30px 80px rgba(55, 37, 21, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(198, 93, 46, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(20, 92, 99, 0.18), transparent 32%),
    linear-gradient(160deg, #f8f3eb 0%, #f2e6d7 42%, #efe9df 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 100%);
}

.app-shell {
  position: relative;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  min-height: 100vh;
  padding: 24px;
}

.sidebar,
.panel,
.hero {
  backdrop-filter: blur(16px);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 249, 242, 0.92), rgba(248, 241, 232, 0.88));
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), #e99954);
  color: white;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: 0 18px 36px rgba(198, 93, 46, 0.26);
}

.brand h1,
.hero h2,
.panel h2,
.panel h3,
.panel h4 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

.brand p,
.hero-copy,
.panel-head span,
.status-panel p,
.panel li,
.risk-meta,
.card-subtitle,
.metric-label {
  color: var(--muted);
}

.nav-tabs {
  display: grid;
  gap: 10px;
}

.nav-tab,
.primary-button,
.ghost-button {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav-tab {
  padding: 14px 16px;
  text-align: left;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.nav-tab:hover,
.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.nav-tab.active {
  color: white;
  background: linear-gradient(135deg, var(--secondary), #2d7b83);
  box-shadow: 0 18px 30px rgba(20, 92, 99, 0.24);
}

.soft-panel,
.panel,
.hero {
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel,
.hero {
  border-radius: var(--radius-xl);
}

.panel {
  padding: 20px;
}

.full-width {
  width: 100%;
}

.field-grid,
.data-form {
  display: grid;
  gap: 14px;
}

.field-grid label,
.data-form label {
  display: grid;
  gap: 8px;
  font-size: 13px;
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

.status-panel {
  margin-top: auto;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  background:
    radial-gradient(circle at 0% 0%, rgba(198, 93, 46, 0.16), transparent 30%),
    radial-gradient(circle at 100% 0%, rgba(20, 92, 99, 0.16), transparent 30%),
    linear-gradient(130deg, rgba(255, 252, 247, 0.92), rgba(249, 242, 232, 0.86));
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: start;
}

.primary-button {
  padding: 12px 18px;
  color: white;
  background: linear-gradient(135deg, var(--primary), #dd8b4b);
  box-shadow: 0 18px 26px rgba(198, 93, 46, 0.24);
}

.ghost-button {
  padding: 12px 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(27, 24, 22, 0.08);
}

.tab-page {
  display: none;
  gap: 20px;
  animation: fade-in 240ms ease;
}

.tab-page.active {
  display: grid;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.metric-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 251, 245, 0.95), rgba(255, 246, 236, 0.82));
  border: 1px solid rgba(255, 255, 255, 0.82);
}

.metric-card::after {
  content: "";
  position: absolute;
  inset: auto -12% -38% auto;
  width: 120px;
  height: 120px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(198, 93, 46, 0.18), transparent 70%);
}

.metric-label {
  font-size: 13px;
}

.metric-value {
  margin-top: 10px;
  font-size: 32px;
  font-weight: 700;
}

.metric-foot {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.chart-grid {
  display: grid;
  gap: 20px;
}

.two-columns {
  grid-template-columns: 1.25fr 1fr;
}

.management-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.chart-stage {
  width: 100%;
  overflow: hidden;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.15));
  border-radius: 18px;
}

.funnel-stack,
.stage-stack,
.comparison-list,
.risk-list,
.audit-list,
.customer-list,
.delivery-list {
  display: grid;
  gap: 12px;
}

.funnel-row,
.comparison-item,
.risk-item,
.audit-item,
.customer-item,
.delivery-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(27, 24, 22, 0.06);
}

.funnel-row {
  position: relative;
  overflow: hidden;
}

.funnel-fill,
.stage-fill,
.comparison-bar-fill,
.progress-fill,
.delivery-fill {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), #e5a15d);
}

.stage-track,
.comparison-bar,
.progress-track,
.delivery-track {
  margin-top: 10px;
  height: 12px;
  border-radius: 999px;
  background: rgba(27, 24, 22, 0.08);
  overflow: hidden;
}

.stage-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.stage-title,
.list-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(20, 92, 99, 0.12);
  color: var(--secondary);
}

.chip.warning {
  background: rgba(196, 131, 31, 0.14);
  color: var(--warning);
}

.chip.danger {
  background: rgba(176, 68, 62, 0.14);
  color: var(--danger);
}

.chip.success {
  background: rgba(28, 124, 84, 0.14);
  color: var(--success);
}

.table-wrap {
  overflow: auto;
  border-radius: 16px;
  border: 1px solid rgba(27, 24, 22, 0.06);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.72);
}

th,
td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(27, 24, 22, 0.06);
  font-size: 14px;
}

th {
  position: sticky;
  top: 0;
  background: rgba(251, 245, 236, 0.96);
  z-index: 1;
}

.data-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.data-form button {
  grid-column: 1 / -1;
}

.import-box {
  display: grid;
  gap: 16px;
}

.file-input {
  display: grid;
  gap: 10px;
}

.template-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.template-links a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
}

.permission-box {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.64);
}

.empty-state {
  padding: 18px;
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.62);
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }

  .main-content {
    order: 1;
  }

  .two-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 12px;
  }

  .sidebar,
  .hero,
  .panel {
    border-radius: 22px;
  }

  .hero {
    flex-direction: column;
  }

  .data-form,
  .metric-grid,
  .management-grid {
    grid-template-columns: 1fr;
  }
}