:root {
  --bg: #f6f4f0;
  --surface: #fff;
  --text: #222;
  --muted: #6b6b6b;
  --border: #ddd8cf;
  --accent: #2f6f4f;
  --accent-soft: #e3efe8;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

h1 {
  margin: 0;
  font-size: 1.4rem;
}

input, select, button {
  font: inherit;
}

input[type=email], input[type=password], select {
  padding: .5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

input[type=file] {
  max-width: 100%;
}

label {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  font-weight: 600;
}

button {
  padding: .5rem .9rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:disabled {
  opacity: .5;
  cursor: default;
}

button.link {
  padding: 0;
  border: none;
  background: none;
  color: var(--accent);
  text-decoration: underline;
}

button.danger {
  border-color: var(--danger);
  background: none;
  color: var(--danger);
}

.top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .5rem 1rem;
  padding: 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.logout {
  display: flex;
  align-items: center;
  gap: .75rem;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.panel {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: .75rem 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.upload {
  align-items: center;
}

.file-picker {
  display: inline-block;
  padding: .5rem .9rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  cursor: pointer;
}

.file-picker:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.tile {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  scroll-margin-top: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.tile .photo {
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--border);
}

.tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.details {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: .75rem;
}

.levels {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
}

.levels span, .others span {
  width: 100%;
  font-size: .9rem;
  font-weight: 600;
}

.levels button {
  padding: .35rem .6rem;
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: .9rem;
}

.levels button.chosen {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.others ul {
  margin: .25rem 0 0;
  padding-left: 1.1rem;
}

.muted {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  font-weight: normal;
}

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

.message {
  padding: .6rem .8rem;
  border-radius: 6px;
  background: var(--accent-soft);
}

.message.error {
  background: var(--danger-soft);
  color: var(--danger);
}

.card {
  max-width: 420px;
  margin: 10vh auto;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.landing-image {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}