Initial commit — Albumen photo album

Ruby/Sinatra self-hosted photo album with directory hierarchy,
per-photo captions and visibility, lightbox, slideshow, admin UI,
and Let's Encrypt HTTPS via Apache reverse proxy on prouter.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

3 files changed, 575 insertions, 0 deletions

diff --git a/public/css/style.css b/public/css/style.css
new file mode 100644
index 0000000..1f31e42
--- /dev/null
+++ b/public/css/style.css
@@ -0,0 +1,351 @@
+/* ── Reset & base ─────────────────────────────────────────────────────── */
+*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
+
+:root {
+  --bg:        #111;
+  --bg2:       #1c1c1c;
+  --bg3:       #2a2a2a;
+  --border:    #333;
+  --text:      #e0e0e0;
+  --text-dim:  #888;
+  --accent:    #4a90d9;
+  --accent-hv: #6aaff7;
+  --radius:    6px;
+  --thumb:     220px;
+  --gap:       12px;
+  --font:      system-ui, -apple-system, sans-serif;
+}
+
+body {
+  background: var(--bg);
+  color: var(--text);
+  font-family: var(--font);
+  font-size: 15px;
+  line-height: 1.5;
+  min-height: 100vh;
+}
+
+a { color: var(--accent); text-decoration: none; }
+a:hover { color: var(--accent-hv); text-decoration: underline; }
+
+/* ── Site header ───────────────────────────────────────────────────────── */
+.site-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 24px;
+  background: var(--bg2);
+  border-bottom: 1px solid var(--border);
+  position: sticky;
+  top: 0;
+  z-index: 100;
+}
+
+.site-logo {
+  font-size: 1.2rem;
+  font-weight: 700;
+  letter-spacing: .04em;
+  color: var(--text);
+}
+.site-logo:hover { color: var(--accent-hv); text-decoration: none; }
+
+.site-nav { display: flex; gap: 16px; align-items: center; }
+.site-nav a { color: var(--text-dim); font-size: .9rem; }
+.site-nav a:hover { color: var(--text); text-decoration: none; }
+
+/* ── Buttons ───────────────────────────────────────────────────────────── */
+.btn {
+  display: inline-block;
+  padding: 6px 16px;
+  background: var(--bg3);
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  color: var(--text);
+  cursor: pointer;
+  font-size: .9rem;
+  transition: background .15s;
+}
+.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; text-decoration: none; }
+.btn-sm { padding: 4px 10px; font-size: .8rem; }
+
+/* ── Main content ──────────────────────────────────────────────────────── */
+main { max-width: 1400px; margin: 0 auto; padding: 24px; }
+
+/* ── Album header ──────────────────────────────────────────────────────── */
+.album-header { margin-bottom: 24px; }
+.album-header h1 { font-size: 1.6rem; font-weight: 600; margin-bottom: 6px; }
+
+.breadcrumbs { font-size: .85rem; color: var(--text-dim); margin-bottom: 8px; }
+.breadcrumbs a { color: var(--text-dim); }
+.breadcrumbs a:hover { color: var(--text); }
+.breadcrumbs .sep { margin: 0 4px; }
+
+.album-desc { color: var(--text-dim); margin-bottom: 10px; }
+.album-actions { margin-top: 10px; }
+
+/* ── Grid ──────────────────────────────────────────────────────────────── */
+.grid-section { margin-bottom: 32px; }
+.section-label { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-dim); margin-bottom: 12px; }
+
+.grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(var(--thumb), 1fr));
+  gap: var(--gap);
+}
+
+/* ── Cards ─────────────────────────────────────────────────────────────── */
+.card {
+  border-radius: var(--radius);
+  overflow: hidden;
+  background: var(--bg2);
+  cursor: pointer;
+  transition: transform .15s, box-shadow .15s;
+}
+.card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.5); }
+
+.thumb-wrap {
+  position: relative;
+  width: 100%;
+  aspect-ratio: 1;
+  overflow: hidden;
+  background: var(--bg3);
+}
+.thumb-wrap img {
+  width: 100%; height: 100%;
+  object-fit: cover;
+  display: block;
+  transition: transform .2s;
+}
+.card:hover .thumb-wrap img { transform: scale(1.04); }
+
+.thumb-placeholder {
+  width: 100%; height: 100%;
+  display: flex; align-items: center; justify-content: center;
+  font-size: 3rem;
+  background: var(--bg3);
+}
+
+.card-overlay {
+  position: absolute;
+  bottom: 0; left: 0; right: 0;
+  padding: 24px 8px 8px;
+  background: linear-gradient(transparent, rgba(0,0,0,.7));
+  opacity: 0;
+  transition: opacity .2s;
+}
+.card:hover .card-overlay { opacity: 1; }
+.card-label { color: #fff; font-size: .85rem; font-weight: 500; }
+
+.type-badge {
+  position: absolute;
+  top: 6px; right: 6px;
+  background: rgba(0,0,0,.6);
+  border-radius: 4px;
+  padding: 2px 6px;
+  font-size: .8rem;
+  color: #fff;
+  pointer-events: none;
+}
+
+.album-label { padding: 6px 8px; font-size: .88rem; font-weight: 500; color: var(--text); }
+.card-meta { padding: 6px 8px; }
+.card-caption { font-size: .8rem; color: var(--text-dim); }
+
+.hidden-item { opacity: .45; outline: 1px dashed var(--border); }
+.empty-album { color: var(--text-dim); text-align: center; padding: 60px 0; }
+
+/* ── Lightbox ──────────────────────────────────────────────────────────── */
+.lightbox {
+  position: fixed; inset: 0;
+  z-index: 1000;
+  background: rgba(0,0,0,.92);
+  display: flex; flex-direction: column;
+  align-items: center; justify-content: center;
+}
+.lightbox.hidden { display: none; }
+
+.lb-stage {
+  flex: 1;
+  display: flex; align-items: center; justify-content: center;
+  width: 100%;
+  cursor: zoom-out;
+  overflow: hidden;
+  padding: 16px;
+}
+/* inline-block shrink-wraps to the rendered image size;
+   arrows inside are then anchored to the photo's actual edges */
+.lb-media {
+  position: relative;
+  display: inline-block;
+  line-height: 0;
+  cursor: default;
+}
+#lb-img   { max-width: calc(100vw - 32px); max-height: calc(100vh - 130px); object-fit: contain; display: block; }
+#lb-video { max-width: calc(100vw - 32px); max-height: calc(100vh - 130px); display: block; }
+#lb-audio { width: 400px; max-width: 90vw; display: block; }
+
+.lb-caption-bar {
+  padding: 8px 80px;
+  text-align: center;
+  font-size: .9rem;
+  color: var(--text-dim);
+  display: flex; gap: 16px; justify-content: center; align-items: baseline;
+  flex-shrink: 0;
+  width: 100%;
+}
+#lb-title    { color: var(--text); font-weight: 500; }
+#lb-counter  { margin-left: auto; font-size: .8rem; }
+.lb-action { font-size: .78rem; padding: 3px 10px; opacity: .7; }
+.lb-action:hover { opacity: 1; }
+
+.lb-btn {
+  position: absolute;
+  background: rgba(0,0,0,.45);
+  border: none;
+  color: #fff;
+  cursor: pointer;
+  border-radius: var(--radius);
+  transition: background .15s, opacity .15s;
+  z-index: 10;
+}
+.lb-btn:hover { background: rgba(0,0,0,.75); }
+
+/* Close stays fixed to the viewport corner */
+.lb-close {
+  position: fixed;
+  top: 12px; right: 16px;
+  font-size: 1.1rem;
+  padding: 6px 12px;
+  z-index: 1001;
+}
+
+/* Prev/next are anchored to the photo's own edges */
+.lb-prev, .lb-next {
+  top: 50%; transform: translateY(-50%);
+  font-size: 2.8rem;
+  padding: 20px 12px;
+  opacity: 0;
+  transition: opacity .2s, background .15s;
+}
+.lb-media:hover .lb-prev,
+.lb-media:hover .lb-next { opacity: .85; }
+.lb-prev:hover, .lb-next:hover { opacity: 1 !important; }
+.lb-prev { left: 0;  border-radius: 0 var(--radius) var(--radius) 0; }
+.lb-next { right: 0; border-radius: var(--radius) 0 0 var(--radius); }
+
+/* ── Slideshow ─────────────────────────────────────────────────────────── */
+.slideshow-page { background: #000; overflow: hidden; height: 100vh; display: flex; }
+
+#slideshow {
+  width: 100%; height: 100vh;
+  display: flex; flex-direction: column;
+  background: #000;
+}
+#ss-stage {
+  flex: 1;
+  display: flex; align-items: center; justify-content: center;
+  overflow: hidden;
+  position: relative;
+}
+#ss-img, #ss-video {
+  max-width: 100%; max-height: 100%;
+  object-fit: contain;
+  opacity: 1;
+  transition: opacity .5s ease;
+}
+#ss-img.fading, #ss-video.fading { opacity: 0; }
+
+#ss-caption-bar {
+  position: absolute;
+  bottom: 0; left: 0; right: 0;
+  padding: 32px 24px 8px;
+  background: linear-gradient(transparent, rgba(0,0,0,.7));
+  color: #fff;
+  text-align: center;
+  font-size: .95rem;
+  pointer-events: none;
+}
+#ss-title { font-weight: 600; display: block; }
+
+#ss-controls {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 20px;
+  background: rgba(0,0,0,.7);
+  flex-shrink: 0;
+}
+.ss-interval-label { color: var(--text-dim); font-size: .85rem; display: flex; align-items: center; gap: 4px; margin-left: auto; }
+.ss-interval-label input { width: 48px; background: var(--bg3); border: 1px solid var(--border); color: var(--text); border-radius: var(--radius); padding: 2px 6px; }
+
+#ss-counter { position: absolute; top: 12px; right: 16px; color: rgba(255,255,255,.5); font-size: .8rem; pointer-events: none; }
+
+/* ── Admin ─────────────────────────────────────────────────────────────── */
+.admin-login {
+  max-width: 360px; margin: 80px auto;
+  padding: 32px;
+  background: var(--bg2);
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+}
+.admin-login h1 { margin-bottom: 20px; font-size: 1.3rem; }
+.admin-login label { display: block; margin-bottom: 16px; color: var(--text-dim); font-size: .9rem; }
+.admin-login input { display: block; width: 100%; margin-top: 4px; padding: 8px 12px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 1rem; }
+.form-error { color: #f55; margin-bottom: 12px; font-size: .9rem; }
+
+.admin-album { max-width: 1200px; }
+.admin-album h1 { font-size: 1.4rem; margin: 16px 0; }
+.admin-nav { display: flex; gap: 8px; margin-bottom: 8px; }
+
+fieldset.album-settings {
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  padding: 16px;
+  margin-bottom: 24px;
+}
+legend { padding: 0 8px; color: var(--text-dim); font-size: .85rem; }
+
+.form-row { margin-bottom: 12px; }
+.form-row label { display: block; color: var(--text-dim); font-size: .85rem; margin-bottom: 4px; }
+.form-row input[type=text], .form-row textarea, .form-row select {
+  width: 100%;
+  background: var(--bg3); border: 1px solid var(--border);
+  border-radius: var(--radius); color: var(--text);
+  padding: 7px 10px; font-size: .9rem;
+}
+.form-row textarea { resize: vertical; }
+.form-row-inline { display: flex; gap: 20px; align-items: flex-end; flex-wrap: wrap; }
+.form-row-inline label { flex: 1; min-width: 180px; }
+.checkbox-label { display: flex !important; align-items: center; gap: 6px; flex: 0 0 auto !important; color: var(--text) !important; }
+.checkbox-label input { width: auto !important; }
+
+.files-section h2 { font-size: 1rem; color: var(--text-dim); margin-bottom: 10px; }
+.files-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
+.files-table th { text-align: left; padding: 6px 10px; border-bottom: 2px solid var(--border); color: var(--text-dim); font-weight: 500; }
+.files-table td { padding: 6px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
+.files-table tr:hover td { background: var(--bg2); }
+.filename { color: var(--text-dim); font-size: .8rem; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.visible-cell { text-align: center; }
+.files-table input[type=text] {
+  width: 100%;
+  background: var(--bg3); border: 1px solid transparent;
+  border-radius: 4px; color: var(--text);
+  padding: 4px 8px; font-size: .85rem;
+}
+.files-table input[type=text]:focus { border-color: var(--accent); outline: none; }
+
+.form-actions { margin-top: 20px; }
+.sub-albums-section { margin-top: 32px; }
+.sub-albums-section h2 { font-size: 1rem; color: var(--text-dim); margin-bottom: 10px; }
+.sub-album-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
+.sub-album-list a { padding: 4px 12px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); font-size: .9rem; }
+
+/* ── Responsive ────────────────────────────────────────────────────────── */
+@media (max-width: 600px) {
+  :root { --thumb: 140px; --gap: 8px; }
+  main { padding: 12px; }
+  .lb-prev { left: 4px; }
+  .lb-next { right: 4px; }
+  .lb-stage { padding: 48px 40px; }
+  .files-table { font-size: .78rem; }
+}
diff --git a/public/js/album.js b/public/js/album.js
new file mode 100644
index 0000000..74d524c
--- /dev/null
+++ b/public/js/album.js
@@ -0,0 +1,111 @@
+'use strict';
+
+let lbIndex = 0;
+
+function openLightbox(i) {
+  lbIndex = i;
+  renderLightbox();
+  document.getElementById('lightbox').classList.remove('hidden');
+  document.body.style.overflow = 'hidden';
+  document.addEventListener('keydown', lbKey);
+}
+
+function closeLightbox() {
+  document.getElementById('lightbox').classList.add('hidden');
+  document.body.style.overflow = '';
+  document.removeEventListener('keydown', lbKey);
+  ['lb-video', 'lb-audio'].forEach(id => {
+    const el = document.getElementById(id);
+    el.pause && el.pause();
+  });
+  history.replaceState(null, '', location.pathname + location.search);
+}
+
+function lbNav(delta) {
+  let next = lbIndex + delta;
+  while (next >= 0 && next < ENTRIES.length && !ENTRIES[next].type) next += delta;
+  if (next >= 0 && next < ENTRIES.length) {
+    lbIndex = next;
+    renderLightbox();
+  }
+}
+
+function renderLightbox() {
+  const e   = ENTRIES[lbIndex];
+  const img = document.getElementById('lb-img');
+  const vid = document.getElementById('lb-video');
+  const aud = document.getElementById('lb-audio');
+
+  [img, vid, aud].forEach(el => { el.classList.add('hidden'); el.pause && el.pause(); });
+
+  if (e.type === 'image') {
+    img.src = e.src; img.alt = e.title;
+    img.classList.remove('hidden');
+  } else if (e.type === 'video') {
+    vid.src = e.src;
+    vid.classList.remove('hidden');
+    vid.play().catch(() => {});
+  } else if (e.type === 'audio') {
+    aud.src = e.src;
+    aud.classList.remove('hidden');
+    aud.play().catch(() => {});
+  }
+
+  document.getElementById('lb-title').textContent   = e.title !== e.name ? e.title : '';
+  document.getElementById('lb-caption').textContent = e.caption || '';
+  document.getElementById('lb-counter').textContent = `${lbIndex + 1} / ${ENTRIES.length}`;
+
+  const dl = document.getElementById('lb-download');
+  dl.href     = e.src;
+  dl.download = e.name;
+
+  // Update URL hash so the address bar is the shareable link
+  history.replaceState(null, '', location.pathname + location.search + '#photo=' + encodeURIComponent(e.name));
+}
+
+function lbCopyLink() {
+  navigator.clipboard.writeText(location.href).then(() => {
+    const btn = document.getElementById('lb-copylink');
+    const orig = btn.textContent;
+    btn.textContent = '✓ Copied!';
+    setTimeout(() => { btn.textContent = orig; }, 1800);
+  }).catch(() => {
+    // Fallback: select a temporary input
+    const tmp = document.createElement('input');
+    tmp.value = location.href;
+    document.body.appendChild(tmp);
+    tmp.select();
+    document.execCommand('copy');
+    document.body.removeChild(tmp);
+  });
+}
+
+function lbKey(ev) {
+  if (ev.key === 'Escape')       closeLightbox();
+  else if (ev.key === 'ArrowLeft')  lbNav(-1);
+  else if (ev.key === 'ArrowRight') lbNav(1);
+}
+
+// Restore lightbox from URL hash on page load
+window.addEventListener('DOMContentLoaded', () => {
+  const m = location.hash.match(/^#photo=(.+)$/);
+  if (m) {
+    const name = decodeURIComponent(m[1]);
+    const idx  = ENTRIES.findIndex(e => e.name === name);
+    if (idx >= 0) openLightbox(idx);
+  }
+});
+
+// Touch swipe
+(function () {
+  let startX = null;
+  const lb = document.getElementById('lightbox');
+  if (!lb) return;
+  lb.addEventListener('touchstart', e => { startX = e.changedTouches[0].clientX; }, { passive: true });
+  lb.addEventListener('touchend', e => {
+    if (startX === null) return;
+    const dx = e.changedTouches[0].clientX - startX;
+    if (Math.abs(dx) > 50) lbNav(dx < 0 ? 1 : -1);
+    startX = null;
+  }, { passive: true });
+})();
diff --git a/public/js/slideshow.js b/public/js/slideshow.js
new file mode 100644
index 0000000..2260034
--- /dev/null
+++ b/public/js/slideshow.js
@@ -0,0 +1,113 @@
+'use strict';
+
+let ssIdx     = 0;
+let ssTimer   = null;
+let ssPlaying = true;
+
+const img   = document.getElementById('ss-img');
+const vid   = document.getElementById('ss-video');
+const title = document.getElementById('ss-title');
+const cap   = document.getElementById('ss-caption');
+const ctr   = document.getElementById('ss-counter');
+const btn   = document.getElementById('ss-play-btn');
+
+function ssInterval() {
+  return (parseFloat(document.getElementById('ss-interval').value) || 4) * 1000;
+}
+
+function ssShow(i, instant) {
+  const e = SS_ENTRIES[i];
+  if (!e) return;
+  ssIdx = i;
+
+  title.textContent = e.title !== e.name ? e.title : '';
+  cap.textContent   = e.caption || '';
+  ctr.textContent   = `${i + 1} / ${SS_ENTRIES.length}`;
+
+  if (instant) {
+    // First load — show without transition
+    applyEntry(e);
+    return;
+  }
+
+  if (e.type === 'video') {
+    // No preload possible for video; fade out then swap
+    crossFade(() => applyEntry(e));
+  } else {
+    // Preload the image so the fade-in shows it immediately
+    const preload = new Image();
+    preload.onload = preload.onerror = () => crossFade(() => applyEntry(e));
+    preload.src = e.src;
+  }
+}
+
+function applyEntry(e) {
+  if (e.type === 'video') {
+    img.style.display = 'none';
+    vid.style.display = '';
+    vid.src = e.src;
+    void vid.offsetWidth;          // flush so transition fires
+    vid.classList.remove('fading');
+    vid.play().catch(() => {});
+  } else {
+    vid.pause && vid.pause();
+    vid.style.display = 'none';
+    img.style.display = '';
+    img.src = e.src;
+    img.alt = e.title;
+    void img.offsetWidth;          // flush so transition fires
+    img.classList.remove('fading');
+  }
+}
+
+function crossFade(cb) {
+  img.classList.add('fading');
+  vid.classList.add('fading');
+  setTimeout(cb, 500);             // matches CSS transition duration
+}
+
+function ssSchedule() {
+  clearTimeout(ssTimer);
+  if (ssPlaying && SS_ENTRIES.length > 1) {
+    ssTimer = setTimeout(() => {
+      ssShow((ssIdx + 1) % SS_ENTRIES.length);
+      ssSchedule();
+    }, ssInterval());
+  }
+}
+
+function ssNext() {
+  ssShow((ssIdx + 1) % SS_ENTRIES.length);
+  if (ssPlaying) ssSchedule();
+}
+
+function ssPrev() {
+  ssShow((ssIdx - 1 + SS_ENTRIES.length) % SS_ENTRIES.length);
+  if (ssPlaying) ssSchedule();
+}
+
+function ssToggle() {
+  ssPlaying = !ssPlaying;
+  btn.textContent = ssPlaying ? '⏸ Pause' : '▶ Play';
+  if (ssPlaying) ssSchedule(); else clearTimeout(ssTimer);
+}
+
+document.addEventListener('keydown', e => {
+  if (e.key === 'ArrowRight') ssNext();
+  if (e.key === 'ArrowLeft')  ssPrev();
+  if (e.key === ' ')          { e.preventDefault(); ssToggle(); }
+});
+
+let swipeX = null;
+document.addEventListener('touchstart', e => { swipeX = e.changedTouches[0].clientX; }, { passive: true });
+document.addEventListener('touchend',   e => {
+  if (swipeX === null) return;
+  const dx = e.changedTouches[0].clientX - swipeX;
+  if (Math.abs(dx) > 50) (dx < 0 ? ssNext : ssPrev)();
+  swipeX = null;
+}, { passive: true });
+
+if (SS_ENTRIES.length > 0) {
+  ssShow(0, true);
+  ssSchedule();
+}