:root {
  --bg: #faf7ff;
  --ink: #0b1220;
  --muted: rgba(17,17,17,0.6);
  --accent: #7c3aed;
  --card: rgba(255,255,255,0.9);
  --border: rgba(17,17,17,0.14);
  --radius: 18px;
  --shadow: 0 18px 60px rgba(0,0,0,0.12);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: rgba(255,255,255,0.82);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
}

.mark {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), rgba(0,0,0,0.2));
  color: #fff;
}

.app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  color: rgba(17,17,17,0.7);
  font-size: 0.92rem;
}

.btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  background: rgba(255,255,255,0.9);
  cursor: pointer;
  font-weight: 600;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

select {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  background: rgba(255,255,255,0.9);
  font: inherit;
  color: inherit;
  min-width: 0;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 1.25rem;
  padding: 1.25rem;
}

.app-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.case-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.case-item {
  padding: 0.7rem 0.8rem;
  border-radius: 14px;
  border: 1px solid rgba(17,17,17,0.12);
  background: rgba(255,255,255,0.95);
  cursor: pointer;
}

.case-item:hover {
  border-color: var(--accent);
}

.app-main {
  min-width: 0;
}

.empty {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.case-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  margin: 0;
  color: rgba(17,17,17,0.6);
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  min-width: 0;
}

.card h3 {
  margin: 0 0 0.65rem;
}

.muted {
  margin: 0 0 0.75rem;
  color: rgba(17,17,17,0.62);
}

.list {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.92rem;
}

.output {
  background: rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 0.9rem;
  font-size: 0.85rem;
  white-space: pre-wrap;
  min-height: 120px;
  max-height: 240px;
  overflow: auto;
}

.audit {
  display: grid;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.audit-item {
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(17,17,17,0.12);
  background: rgba(255,255,255,0.96);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.84);
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0px);
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 40;
}

.modal[hidden] {
  display: none !important;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.46);
}

.modal-card {
  position: relative;
  background: rgba(255,255,255,0.98);
  border-radius: 22px;
  border: 1px solid rgba(17,17,17,0.14);
  box-shadow: 0 38px 120px rgba(0,0,0,0.22);
  width: min(520px, calc(100vw - 2rem));
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(17,17,17,0.12);
}

.modal-body {
  padding: 1.2rem;
  display: grid;
}

.modal-body input, .modal-body textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(17,17,17,0.14);
  padding: 0.7rem 0.8rem;
  font-family: inherit;
}

.modal-body textarea {
  min-height: 100px;
  resize: vertical;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
}