:root {
  --bg: #f7f5f1;
  --panel: #ffffff;
  --ink: #202020;
  --muted: #6f6f6f;
  --line: #ded6c9;
  --gold: #8f6a35;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-panel {
  width: min(420px, calc(100vw - 32px));
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
}

.brand {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

h1, h2 { margin: 8px 0 10px; }
p { color: var(--muted); }

.stack { display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-weight: 700; }
input {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
}

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 0;
  border-radius: 6px;
  padding: 0 16px;
  background: var(--gold);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.secondary {
  background: #efe7da;
  color: var(--ink);
}

.danger {
  background: #9f2f24;
}

.error { color: #9f2f24; font-weight: 700; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px 36px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.page {
  width: min(1180px, calc(100vw - 48px));
  margin: 28px auto 48px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.category-card, .thumb-card, .toolbar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.actions, .toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.toolbar {
  justify-content: space-between;
  margin-bottom: 20px;
}

.toolbar form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
}

.thumb-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 6px;
}

.thumb-meta {
  display: grid;
  gap: 4px;
  margin: 12px 0;
}

.thumb-meta span {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.back {
  color: var(--gold);
  font-weight: 700;
}

.empty {
  padding: 28px;
}

@media (max-width: 760px) {
  .topbar { align-items: flex-start; flex-direction: column; padding: 20px; }
  .grid { grid-template-columns: 1fr; }
  .page { width: min(100vw - 28px, 1180px); }
}