:root {
  color-scheme: dark;
  --bg: #0b0e14;
  --surface: #151a23;
  --surface-hover: #1d2431;
  --border: #262e3d;
  --text: #e6e9ef;
  --muted: #8b95a7;
  --accent: #4c8dff;
  --danger: #ff6b6b;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

[hidden] {
  display: none !important;
}

button {
  font: inherit;
  cursor: pointer;
}

.lock {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 1.5rem;
}

.lock__card {
  width: 100%;
  max-width: 22rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.lock__title {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.lock__hint {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.lock__label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.lock__input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
}

.lock__input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.lock__submit {
  width: 100%;
  margin-top: 1rem;
  padding: 0.625rem;
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
}

.lock__submit:disabled {
  opacity: 0.6;
  cursor: progress;
}

.lock__error {
  margin: 0.75rem 0 0;
  color: var(--danger);
  font-size: 0.875rem;
}

.lock__status {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.gallery {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.gallery__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.gallery__title {
  margin: 0;
  font-size: 1.75rem;
}

.gallery__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.special {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.special__button {
  padding: 0.4rem 0.9rem;
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.special__button:hover {
  background: var(--accent);
  color: #fff;
}

.special__button--upload {
  border-style: dashed;
}

.gallery__lock {
  padding: 0.4rem 0.85rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.85rem;
}

.gallery__lock:hover {
  border-color: var(--accent);
  color: var(--text);
}

.albums {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.album {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  width: 100%;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: inherit;
  text-align: left;
  transition: background 120ms ease, border-color 120ms ease;
}

.album:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
}

.album:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.album__title {
  font-size: 1.05rem;
  font-weight: 600;
}

.album__description {
  color: var(--muted);
  font-size: 0.875rem;
}

.viewer {
  width: min(72rem, 96vw);
  max-width: none;
  height: 92vh;
  padding: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
}

.viewer::backdrop {
  background: rgb(0 0 0 / 70%);
}

.viewer__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.viewer__title {
  margin: 0;
  font-size: 1rem;
}

.viewer__close {
  padding: 0.35rem 0.8rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.85rem;
}

.viewer__frame {
  display: block;
  width: 100%;
  height: calc(92vh - 3.4rem);
  border: 0;
}