:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-primary: #fca311;
  --color-primary-dark: #de8e08;
  --color-on-primary: #1c1f24;
  --color-text: #1c1f24;
  --color-muted: #5c6470;
  --color-border: #dde1e6;
  --color-danger: #b3261e;
  --color-danger-bg: #fdecea;
  --color-success: #1e6b3a;
  --color-success-bg: #e8f5ec;
  --radius: 10px;
  --max-width: 720px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a { color: var(--color-primary); }

.navbar {
  background: #fff;
  color: var(--color-text);
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.navbar a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
}

.navbar a:hover {
  color: var(--color-primary);
}

.navbar .brand {
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}

.navbar nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.container.wide {
  max-width: 1100px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

h1, h2, h3 { line-height: 1.25; }

.lead {
  color: var(--color-muted);
}

form .field {
  margin-bottom: 1.1rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--color-text);
}

textarea { min-height: 90px; resize: vertical; }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.checkbox-row input { margin-top: 0.3rem; }
.checkbox-row label { font-weight: 400; margin-bottom: 0; }

.specify-text {
  margin: 0.35rem 0 0.75rem 1.6rem;
  max-width: 480px;
}

button, .btn {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: 1px solid transparent;
  padding: 0.65rem 1.3rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
}

button:hover, .btn:hover { background: var(--color-primary-dark); }

.btn-secondary, .btn-logout {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover, .btn-logout:hover { background: #fef3e0; }

.alert {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.alert-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid #f1c2be;
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid #b7ddc3;
}

.helper-text {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}

th { background: #eef1f4; }

.table-wrap { overflow-x: auto; }

.filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.filters .field { margin-bottom: 0; min-width: 180px; }

.badge {
  display: inline-block;
  background: #eef1f4;
  color: var(--color-muted);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.78rem;
}

.actions-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.thumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.thumb-list img {
  max-width: 160px;
  max-height: 120px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.group-toggle {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

fieldset {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin: 0 0 1.1rem;
  padding: 1rem;
}

legend {
  font-weight: 700;
  padding: 0 0.4rem;
}

@media (max-width: 480px) {
  .navbar { flex-direction: column; align-items: flex-start; }
  .container { padding: 1rem 0.85rem 2.5rem; }
  .card { padding: 1.1rem; }
}