:root {
  --bg-deep: #081f18;
  --bg-mid: #0d3327;
  --ink: #f4f4f0;
  --ink-dim: rgba(244, 244, 240, 0.72);
  --accent: #e0ab2e;
  --accent-ink: #2a2005;
  --card-bg: #ffffff;
  --card-ink: #1a1a1a;
  --card-ink-dim: #5a5a5a;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% -10%, #1a5a41 0%, transparent 45%),
    radial-gradient(circle at 100% 0%, #144433 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-mid) 0%, var(--bg-deep) 100%);
  background-attachment: fixed;
  color: var(--ink);
  margin: 0;
  padding: 2rem 1.25rem 3rem;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

header {
  text-align: center;
  margin: 0 auto 2rem;
  max-width: 640px;
}

header h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

#subtitle {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.95rem;
}

main {
  max-width: 1080px;
  margin: 0 auto;
}

#search-form {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 560px;
  margin: 0 auto 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
  background: rgba(244, 244, 240, 0.08);
  border: 1px solid rgba(244, 244, 240, 0.16);
  border-radius: var(--radius-pill);
  padding: 0.4rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

#search-input {
  flex: 1;
  min-width: 160px;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--ink);
  font-size: 0.95rem;
}

#search-input::placeholder {
  color: rgba(244, 244, 240, 0.5);
}

#search-input:focus-visible {
  outline: none;
}

#search-form button {
  padding: 0.55rem 1.1rem;
  border: none;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
  white-space: nowrap;
}

#search-form button[type="submit"] {
  background: linear-gradient(135deg, #f0c04a, var(--accent));
  color: var(--accent-ink);
  box-shadow: 0 4px 12px rgba(224, 171, 46, 0.35);
}

#search-form button[type="submit"]:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(224, 171, 46, 0.45);
}

#locate-btn {
  background: rgba(244, 244, 240, 0.1);
  color: var(--ink);
  border: 1px solid rgba(244, 244, 240, 0.2);
}

#locate-btn:hover {
  background: rgba(244, 244, 240, 0.18);
}

#search-form button:disabled,
#search-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 480px) {
  #search-form {
    flex-direction: column;
    border-radius: var(--radius-lg);
    align-items: stretch;
  }

  #search-form button {
    width: 100%;
  }
}

.recent-searches {
  text-align: center;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
}

.recent-label {
  color: var(--ink-dim);
  margin-right: 0.4rem;
}

.chip {
  display: inline-block;
  margin: 0.15rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(244, 244, 240, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(244, 244, 240, 0.06);
  color: var(--ink);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.12s ease;
}

.chip:hover {
  background: rgba(244, 244, 240, 0.16);
  transform: translateY(-1px);
}

.view-toggle {
  text-align: center;
  margin-bottom: 1.25rem;
}

#favorites-toggle,
#retry-btn {
  padding: 0.5rem 1.1rem;
  border: 1px solid rgba(244, 244, 240, 0.3);
  border-radius: var(--radius-pill);
  background: rgba(244, 244, 240, 0.06);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.12s ease;
}

#favorites-toggle:hover,
#retry-btn:hover {
  background: rgba(244, 244, 240, 0.16);
  transform: translateY(-1px);
}

#favorites-toggle:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

#retry-btn {
  margin-top: 0.35rem;
}

.results-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  max-width: 1080px;
  margin: 0 auto 1rem;
  flex-wrap: wrap;
}

#results-count {
  font-size: 0.82rem;
  color: var(--ink-dim);
  margin: 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.sort-control {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--ink-dim);
}

.sort-control select {
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(244, 244, 240, 0.25);
  background: rgba(244, 244, 240, 0.08);
  color: var(--ink);
  font-size: 0.82rem;
  cursor: pointer;
}

.sort-control select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* The open dropdown list is rendered by the OS/browser with its own
   (usually light) background, not our translucent pill — force dark text
   on the options themselves so they stay legible there. */
.sort-control select option {
  color: #1a1a1a;
  background: #ffffff;
}

#status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
  min-height: 2.5rem;
  margin-bottom: 1rem;
}

.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid rgba(244, 244, 240, 0.25);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

#message {
  margin: 0;
  color: var(--ink-dim);
  max-width: 440px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
  max-width: 1080px;
  margin: 0 auto;
}

.course-card {
  position: relative;
  background: var(--card-bg);
  color: var(--card-ink);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.15rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 10px 24px rgba(0, 0, 0, 0.16);
  animation: fade-in 0.3s ease both;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1), 0 16px 32px rgba(0, 0, 0, 0.22);
}

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

.course-card h2 {
  margin: 0 2.1rem 0.3rem 0;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.course-card .distance {
  display: inline-block;
  font-weight: 700;
  font-size: 0.78rem;
  color: #0f3d2e;
  background: #e8f3ec;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  margin: 0.15rem 0 0.5rem;
}

.fav-btn {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  border: none;
  background: none;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  color: var(--accent);
  transition: transform 0.15s ease;
}

.fav-btn:hover {
  transform: scale(1.2);
}

.course-card p {
  margin: 0.2rem 0;
  font-size: 0.88rem;
  color: var(--card-ink-dim);
}

.course-card a {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0f3d2e;
}

.course-card a:hover {
  text-decoration: none;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  margin-top: 0.5rem;
  letter-spacing: 0.01em;
}

.badge-public { background: #d9f0e1; color: #1a6b3d; }
.badge-private { background: #fbdde0; color: #96222f; }
.badge-restricted { background: #fdedc7; color: #8a6300; }
.badge-holes { background: #dcebfa; color: #1a4971; margin-left: 0.35rem; }

.skeleton {
  animation: none;
}

.skeleton-line {
  height: 0.85rem;
  border-radius: 5px;
  background: linear-gradient(90deg, #e8e8e8 25%, #f4f4f4 50%, #e8e8e8 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s ease-in-out infinite;
  margin: 0.55rem 0;
}

.skeleton-title {
  width: 60%;
  height: 1.15rem;
}

.skeleton-short {
  width: 40%;
}

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

footer {
  text-align: center;
  margin: 3rem auto 0;
  max-width: 1080px;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(244, 244, 240, 0.1);
  font-size: 0.8rem;
  color: var(--ink-dim);
}

footer a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(244, 244, 240, 0.35);
}