:root {
  --bg: #020617;
  --bg-card: #020617;
  --bg-elevated: #020817;
  --border-subtle: #1f2937;
  --accent: #38bdf8;
  --accent-soft: #0f172a;
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --danger: #f97373;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #0b1220, #020617 60%);
  color: var(--text-main);
}

.app-container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  margin-bottom: 1.5rem;
}

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

header h1 {
  margin: 0 0 0.25rem 0;
  font-size: 2.1rem;
}

header p {
  margin: 0;
  color: var(--text-muted);
}

.secondary-btn {
  padding: 0.45rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background-color: #0b1220;
  color: var(--text-main);
  font-weight: 600;
  cursor: pointer;
}

.secondary-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: linear-gradient(135deg, #020617, #020617);
  border-radius: 14px;
  padding: 1.1rem 1.25rem;
  border: 1px solid #111827;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.58);
}

.stat-card h2 {
  margin: 0 0 0.4rem 0;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 2rem;
  font-weight: 600;
}

.stat-label {
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card {
  background: radial-gradient(circle at top left, #020617, #020617 55%);
  border-radius: 16px;
  padding: 1.5rem 1.7rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
}

.card h2 {
  margin: 0 0 0.3rem 0;
  font-size: 1.1rem;
}

.helper-text {
  margin: 0 0 1rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem 1.2rem;
  margin-bottom: 0.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

input,
select,
textarea {
  background-color: #020617;
  border-radius: 10px;
  border: 1px solid #1f2937;
  padding: 0.45rem 0.65rem;
  color: var(--text-main);
  font-size: 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

textarea {
  resize: vertical;
}

#pain {
  width: 100%;
}

.primary-btn {
  margin-top: 0.6rem;
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #0ea5e9, #22d3ee);
  color: #0b1120;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(56, 189, 248, 0.45);
}

.primary-btn:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.primary-btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.35);
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 0.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead {
  background-color: #020617;
}

th,
td {
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid #111827;
  text-align: left;
}

th {
  font-weight: 500;
  color: var(--text-muted);
}

tbody tr:nth-child(odd) {
  background-color: #020617;
}

tbody tr:nth-child(even) {
  background-color: #020617;
}

tbody tr:hover {
  background-color: #020617;
}

.delete-btn {
  background: transparent;
  border-radius: 999px;
  border: 1px solid var(--danger);
  color: #fecaca;
  padding: 0.1rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
}

.delete-btn:hover {
  background-color: #b91c1c;
  border-color: #fecaca;
}

footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}