:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0f172a;
  --danger: #dc2626;
  --success: #16a34a;
}

* { box-sizing: border-box; }

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

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

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand { font-weight: 700; font-size: 1.1rem; }

.search-form { flex: 1; max-width: 420px; }
.search-form input {
  width: 100%;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}
.nav-links a { color: var(--muted); }
.user-name em { font-style: normal; font-size: 0.75rem; color: var(--muted); }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem;
}

.flashes { margin-bottom: 1rem; }
.flash {
  padding: 0.6rem 0.9rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.flash-error { background: #fef2f2; color: var(--danger); }
.flash-success { background: #f0fdf4; color: var(--success); }

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--text); }

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-danger { color: var(--danger); }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.78rem; }

.spacer { flex: 1; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.row:last-child { border-bottom: none; }
.row .name { flex: 1; }
.row .meta { font-size: 0.78rem; color: var(--muted); }

.empty {
  padding: 2.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-inline { display: inline; }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  width: 100%;
  max-width: 360px;
}
.login-card h1 { margin: 0 0 0.25rem; font-size: 1.3rem; }
.login-card p.subtitle { color: var(--muted); font-size: 0.9rem; margin-top: 0; margin-bottom: 1.25rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; }
.field input, .field select {
  width: 100%;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
}

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
table th, table td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); }
table th { color: var(--muted); font-weight: 600; }
table td.center, table th.center { text-align: center; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--muted);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-box {
  background: var(--surface);
  border-radius: 10px;
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}
.modal-body { padding: 1rem; }
.preview-img { max-width: 100%; max-height: 70vh; display: block; margin: 0 auto; }
.preview-frame { width: 100%; height: 75vh; border: none; }

h1 { font-size: 1.3rem; }
h2 { font-size: 1rem; color: var(--muted); margin-top: 1.5rem; }