:root {
  --ink: #1c1c1c;
  --muted: #6b6b6b;
  --bg: #fafafa;
  --surface: #ffffff;
  --accent: #2b6cb0;
  --border: #e4e4e4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-header .brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.1rem;
}

.site-header nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

.site-header nav a:hover { color: var(--accent); }

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.875rem;
}

h1 { margin-top: 0; }

.lead { color: var(--muted); font-size: 1.05rem; max-width: 40ch; }

.cta-row { margin-top: 1.5rem; display: flex; gap: 0.75rem; }

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
}

.btn.outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

form.upload-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 420px;
  background: var(--surface);
  padding: 1.5rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

form.upload-form label {
  font-weight: 600;
  font-size: 0.9rem;
}

form.upload-form input[type="text"],
form.upload-form input[type="file"] {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

form.upload-form button {
  align-self: flex-start;
  padding: 0.65rem 1.5rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.upload-success {
  background: #eaf7ee;
  border: 1px solid #bfe6c9;
  color: #1e6b34;
  padding: 0.9rem 1.1rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.photo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.photo-card img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: #eee;
}

.photo-card .caption {
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.gallery-empty {
  color: var(--muted);
  padding: 2rem 0;
}

.gallery-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.gallery-controls button {
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-weight: 600;
}

.gallery-controls button:disabled {
  opacity: 0.5;
  cursor: default;
}