:root {
  --bg: #F7EEDC; --bg2: #E4F1EC; --card: #FFFDF7; --ink: #2B2417;
  --wave: #1F7A82; --wave-soft: #BFDCE0; --gold: #D4A72C; --coral: #E8748C;
  --shadow: 0 6px 18px rgba(30, 40, 30, 0.14); --sparkle-op: 0.6;
}
html[data-theme="ocean"] {
  --bg: #F7EEDC; --bg2: #E4F1EC; --card: #FFFDF7; --ink: #2B2417;
  --wave: #1F7A82; --wave-soft: #BFDCE0; --gold: #D4A72C; --coral: #E8748C;
  --shadow: 0 6px 18px rgba(30, 40, 30, 0.14); --sparkle-op: 0.6;
}
html[data-theme="nuit"] {
  --bg: #0B1730; --bg2: #0F2038; --card: #142743; --ink: #EFEAF7;
  --wave: #59C6D6; --wave-soft: #22405A; --gold: #F0CE72; --coral: #F5A0B8;
  --shadow: 0 6px 22px rgba(0, 0, 0, 0.5); --sparkle-op: 0.95;
}
html[data-theme="bleu"] {
  --bg: #0A1F3D; --bg2: #0E2A4F; --card: #122A4F; --ink: #E8F0FF;
  --wave: #4A90D9; --wave-soft: #1D3A5F; --gold: #F2C14E; --coral: #FF8FA3;
  --shadow: 0 6px 22px rgba(0, 0, 0, 0.5); --sparkle-op: 0.9;
}
html[data-theme="noir"] {
  --bg: #0A0A0A; --bg2: #141414; --card: #1C1C1C; --ink: #F2F2F2;
  --wave: #C9A15C; --wave-soft: #2A2A2A; --gold: #D4AF37; --coral: #E85D75;
  --shadow: 0 6px 22px rgba(0, 0, 0, 0.6); --sparkle-op: 0.9;
}
html[data-theme="rose"] {
  --bg: #FDEEF2; --bg2: #FCE4EC; --card: #FFFFFF; --ink: #3A1F2B;
  --wave: #D6577D; --wave-soft: #F5C4D3; --gold: #E0A96D; --coral: #FF6F91;
  --shadow: 0 6px 18px rgba(90, 30, 50, 0.14); --sparkle-op: 0.55;
}
html[data-theme="orange"] {
  --bg: #FFF3E0; --bg2: #FFE8CC; --card: #FFFDF8; --ink: #3A2413;
  --wave: #E07A33; --wave-soft: #F6D2A8; --gold: #D4A72C; --coral: #E85D3A;
  --shadow: 0 6px 18px rgba(80, 40, 10, 0.14); --sparkle-op: 0.55;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); font-family: "Karla", sans-serif; -webkit-font-smoothing: antialiased;
  padding-bottom: 100px; min-height: 100vh; position: relative; overflow-x: hidden;
  background: linear-gradient(165deg, var(--bg) 0%, var(--bg2) 70%);
  transition: background 0.3s ease, color 0.3s ease;
}
h1, h2 { font-family: "Fraunces", serif; font-weight: 600; margin: 0; }
.banner { background: var(--ink); color: var(--bg); text-align: center; font-size: 0.78rem; padding: 8px 14px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; padding: 16px 20px 12px;
  background: var(--bg); position: sticky; top: 0; z-index: 9; border-bottom: 1px solid var(--wave-soft);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.topbar__brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.topbar__brand-text h1 { font-size: 1.3rem; letter-spacing: 0.2px; }
.topbar__tagline { font-family: "IBM Plex Mono", monospace; font-size: 0.63rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--wave); margin-top: 2px; display: block; }
.topbar__icon { font-size: 1.5rem; flex-shrink: 0; }
.topbar__actions { display: flex; gap: 2px; flex-shrink: 0; }
.iconbtn { border: none; background: transparent; font-size: 1.15rem; cursor: pointer; padding: 6px; border-radius: 50%; transition: background 0.15s ease; text-decoration: none; color: var(--ink); }
.iconbtn:hover { background: var(--wave-soft); }

/* ---------- Recherche ---------- */
.search-bar { display: flex; gap: 8px; padding: 10px 20px; background: var(--bg); border-bottom: 1px solid var(--wave-soft); position: sticky; top: 61px; z-index: 8; }
.search-bar input { flex: 1; padding: 8px 12px; border: 1px solid var(--wave-soft); border-radius: 20px; background: var(--card); color: var(--ink); font-family: inherit; font-size: 0.88rem; }
.search-bar button { border: none; background: transparent; color: var(--wave); font-size: 1rem; cursor: pointer; }

/* ---------- Onglets Année + sélecteur de mois ---------- */
.year-tabs {
  display: flex; align-items: center; gap: 4px; overflow-x: auto; padding: 10px 16px 0; background: var(--bg);
  position: sticky; top: 61px; z-index: 8; scrollbar-width: none; border-bottom: 1px solid var(--wave-soft);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.year-tabs::-webkit-scrollbar { display: none; }
.year-tab { flex-shrink: 0; border: none; background: transparent; color: var(--wave); font-family: "Fraunces", serif; font-size: 1.05rem; font-weight: 600; padding: 6px 16px 10px; cursor: pointer; position: relative; opacity: 0.55; }
.year-tab.active { opacity: 1; }
.year-tab.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 3px; background: var(--gold); border-radius: 3px; }
.month-select { display: flex; gap: 8px; overflow-x: auto; padding: 10px 20px; scrollbar-width: none; position: sticky; top: 108px; z-index: 7; background: var(--bg); border-bottom: 1px solid var(--wave-soft); transition: background 0.3s ease, border-color 0.3s ease; }
.month-select::-webkit-scrollbar { display: none; }
.month-chip, .filter-chip { flex-shrink: 0; border: 1px solid var(--wave-soft); background: var(--card); color: var(--wave); border-radius: 20px; padding: 5px 14px; font-family: "IBM Plex Mono", monospace; font-size: 0.73rem; font-weight: 600; cursor: pointer; letter-spacing: 0.03em; }
.filter-chip.active { background: var(--wave); color: var(--bg); border-color: var(--wave); }
.filter-nav { display: flex; gap: 8px; overflow-x: auto; padding: 4px 20px 6px; scrollbar-width: none; }
.filter-nav::-webkit-scrollbar { display: none; }
.year-count { text-align: center; font-family: "IBM Plex Mono", monospace; font-size: 0.7rem; color: var(--gold); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 6px; }

.timeline { position: relative; max-width: 640px; margin: 0 auto; padding: 20px 20px 20px; z-index: 2; }
.timeline::before {
  content: ""; position: absolute; left: 12px; top: 0; bottom: 0; width: 40px; background-color: var(--wave); opacity: 0.5;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='60' viewBox='0 0 40 60'%3E%3Cpath d='M20 0 C4 14, 36 16, 20 30 C4 44, 36 46, 20 60' stroke='black' stroke-width='4' fill='none'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='60' viewBox='0 0 40 60'%3E%3Cpath d='M20 0 C4 14, 36 16, 20 30 C4 44, 36 46, 20 60' stroke='black' stroke-width='4' fill='none'/%3E%3C/svg%3E");
  -webkit-mask-repeat: repeat-y; mask-repeat: repeat-y; -webkit-mask-size: 40px 60px; mask-size: 40px 60px;
  transition: background-color 0.3s ease;
}
.timeline.no-spine::before { display: none; }
.timeline.no-spine .photo-card { margin-left: 0; }
.timeline.no-spine .photo-card::before, .timeline.no-spine .photo-card::after { display: none; }

.month-marker { display: flex; align-items: center; gap: 10px; margin: 22px 0 14px 56px; }
.month-marker__icon { font-size: 0.95rem; flex-shrink: 0; }
.month-marker__label { font-family: "IBM Plex Mono", monospace; font-size: 0.75rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--wave); font-weight: 600; white-space: nowrap; }
.month-marker__count { color: var(--gold); font-weight: 500; margin-left: 4px; }
.month-marker__line { flex: 1; height: 1px; background: repeating-linear-gradient(to right, var(--wave-soft) 0 6px, transparent 6px 10px); }

.photo-card { position: relative; margin-left: 56px; margin-bottom: 26px; background: var(--card); border-radius: 4px; box-shadow: var(--shadow); padding: 10px 10px 14px; transform: rotate(var(--tilt, 0deg)); animation: riseIn 0.5s ease both; transition: background 0.3s ease; }
.photo-card::before { content: ""; position: absolute; left: -34px; top: 24px; width: 30px; height: 2px; background: var(--wave-soft); }
.photo-card::after { content: ""; position: absolute; left: -33px; top: 19px; width: 12px; height: 12px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff, var(--gold) 70%); border: 2px solid var(--bg); box-shadow: 0 0 6px var(--gold), 0 0 10px var(--coral); }
.gallery { position: relative; }
.gallery__strip { display: flex; gap: 6px; overflow-x: auto; scroll-snap-type: x mandatory; border-radius: 2px; scrollbar-width: none; }
.gallery__strip::-webkit-scrollbar { display: none; }
.gallery__strip img { width: 100%; flex: 0 0 100%; scroll-snap-align: start; aspect-ratio: 1/1; object-fit: cover; border-radius: 2px; cursor: zoom-in; display: block; background: var(--wave-soft); }
.gallery__count { position: absolute; top: 8px; right: 8px; background: rgba(20, 20, 15, 0.55); color: #fff; font-family: "IBM Plex Mono", monospace; font-size: 0.68rem; padding: 3px 8px; border-radius: 12px; }
.photo-card__meta { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; padding: 10px 4px 0; }
.photo-card__caption { font-size: 0.95rem; line-height: 1.4; margin: 0; }
.photo-card__by { font-family: "IBM Plex Mono", monospace; font-size: 0.68rem; color: var(--wave); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; display: block; }
.photo-card__tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.tag-chip { font-size: 0.72rem; background: var(--wave-soft); color: var(--wave); border-radius: 12px; padding: 2px 9px; font-weight: 600; }
.photo-card__actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.like-btn { border: none; background: none; cursor: pointer; display: flex; align-items: center; gap: 4px; font-size: 1rem; color: var(--gold); padding: 4px; }
.like-btn__count { font-family: "IBM Plex Mono", monospace; font-size: 0.75rem; color: var(--ink); }
.dl-btn { border: 1px solid var(--wave-soft); background: transparent; color: var(--wave); border-radius: 14px; padding: 4px 10px; font-size: 0.78rem; cursor: pointer; }
.dl-btn:disabled { opacity: 0.5; cursor: wait; }

.comments { margin: 10px 4px 0; border-top: 1px dashed var(--wave-soft); padding-top: 8px; }
.comment { font-size: 0.82rem; margin-bottom: 5px; line-height: 1.4; }
.comment b { color: var(--wave); font-weight: 700; }
.comment-form { display: flex; gap: 6px; margin-top: 6px; }
.comment-form input { flex: 1; padding: 6px 10px; border: 1px solid var(--wave-soft); border-radius: 14px; background: var(--bg); color: var(--ink); font-family: inherit; font-size: 0.8rem; }
.comment-form button { border: none; background: var(--wave); color: var(--bg); border-radius: 14px; padding: 6px 12px; font-size: 0.8rem; cursor: pointer; }

.empty { text-align: center; color: var(--wave); margin-top: 50px; font-size: 0.9rem; padding: 0 20px; }
.fab { position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%; border: none; background: var(--wave); color: var(--bg); font-size: 1.8rem; box-shadow: var(--shadow); cursor: pointer; z-index: 6; transition: background 0.3s ease; }

dialog.sheet { border: none; border-radius: 10px; padding: 0; width: min(440px, 92vw); box-shadow: var(--shadow); background: var(--card); color: var(--ink); }
dialog.sheet::backdrop { background: rgba(10, 20, 25, 0.5); }
.sheet__body { padding: 22px; display: flex; flex-direction: column; gap: 14px; max-height: 80vh; overflow-y: auto; }
.preview-strip { display: flex; gap: 8px; overflow-x: auto; }
.preview-strip img { width: 76px; height: 76px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.filebtn { border: 1.5px dashed var(--wave-soft); border-radius: 8px; padding: 14px; text-align: center; color: var(--wave); cursor: pointer; font-weight: 500; }
.filebtn input { display: none; }
.filebtn small { display: block; font-weight: 400; opacity: 0.75; margin-top: 2px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; }
.field input { padding: 10px; border: 1px solid var(--wave-soft); border-radius: 6px; font-family: inherit; font-size: 0.95rem; background: var(--bg); color: var(--ink); }
.field-label { font-size: 0.85rem; font-weight: 600; }
.tag-checks { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-check { position: relative; }
.tag-check input { position: absolute; opacity: 0; inset: 0; cursor: pointer; margin: 0; }
.tag-check span { display: inline-flex; align-items: center; gap: 5px; font-size: 0.8rem; border: 1px solid var(--wave-soft); background: var(--bg); color: var(--ink); border-radius: 16px; padding: 6px 12px; transition: all 0.12s ease; }
.tag-check input:checked + span { background: var(--wave); color: var(--bg); border-color: var(--wave); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.btn { padding: 10px 18px; border-radius: 6px; border: none; font-weight: 600; cursor: pointer; font-family: inherit; }
.btn--primary { background: var(--wave); color: var(--bg); }
.btn--ghost { background: transparent; color: var(--ink); }
.toast { position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 20px; font-size: 0.85rem; z-index: 10; }
.lightbox { position: fixed; inset: 0; background: rgba(5, 10, 12, 0.88); z-index: 20; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 16px; }
.lightbox img { max-width: 92vw; max-height: 72vh; border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.lightbox__actions { display: flex; gap: 10px; }
.lightbox__close { position: absolute; top: 16px; right: 20px; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; }

.settings-group { display: flex; flex-direction: column; gap: 8px; }
.settings-group__label { font-weight: 600; font-size: 0.85rem; }
.segmented { display: flex; border: 1px solid var(--wave-soft); border-radius: 20px; overflow: hidden; }
.segmented button { flex: 1; border: none; background: var(--bg); color: var(--ink); padding: 8px; font-size: 0.82rem; cursor: pointer; font-family: inherit; }
.segmented button.active { background: var(--wave); color: var(--bg); font-weight: 700; }
.settings-group select { padding: 8px 10px; border: 1px solid var(--wave-soft); border-radius: 8px; background: var(--bg); color: var(--ink); font-family: inherit; }
.theme-swatches { display: flex; flex-wrap: wrap; gap: 10px; }
.theme-swatch { display: flex; flex-direction: column; align-items: center; gap: 4px; border: none; background: transparent; cursor: pointer; font-family: inherit; font-size: 0.66rem; color: var(--ink); }
.theme-swatch__dot { width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--wave-soft); }
.theme-swatch.active .theme-swatch__dot { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold); }
.profile-row { display: flex; align-items: center; gap: 12px; }
.profile-avatar {
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; background: radial-gradient(circle at 35% 30%, #fff, var(--gold) 75%);
  border: 2px solid var(--bg); box-shadow: 0 0 6px var(--gold); cursor: pointer; flex-shrink: 0;
}
.profile-name-input { flex: 1; padding: 10px; border: 1px solid var(--wave-soft); border-radius: 6px; background: var(--bg); color: var(--ink); font-family: inherit; font-size: 0.95rem; }
.liked-by { font-size: 0.72rem; color: var(--wave); margin: 6px 4px 0; font-style: italic; }
.owner-actions { display: flex; gap: 2px; }
.owner-btn { border: none; background: transparent; cursor: pointer; font-size: 0.95rem; color: var(--wave); padding: 4px; }

.sparkle-layer { position: fixed; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
.sparkle { position: absolute; border-radius: 50%; animation: twinkle 2.6s ease-in-out infinite; }
@keyframes riseIn { from { opacity: 0; transform: translateY(10px) rotate(var(--tilt, 0deg)); } to { opacity: 1; transform: translateY(0) rotate(var(--tilt, 0deg)); } }
@keyframes twinkle { 0%, 100% { opacity: 0.15; transform: scale(0.8); } 50% { opacity: var(--sparkle-op); transform: scale(1.3); } }
@media (prefers-reduced-motion: reduce) { .photo-card { animation: none; } .sparkle { animation: none; opacity: var(--sparkle-op); } }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ---------- Page Administration ---------- */
.wrap { max-width: 640px; margin: 0 auto; padding: 20px 20px 0; }
.hint, .security-box { background: var(--card); border: 1px dashed var(--gold); border-radius: 8px; padding: 12px 14px; font-size: 0.85rem; line-height: 1.5; margin-bottom: 0; }
.security-box { border-style: dashed; border-color: var(--wave); margin-top: 10px; }
.hint b, .security-box b { color: var(--wave); }
.info-disclosure { margin-bottom: 20px; }
.info-disclosure summary {
  cursor: pointer; font-weight: 700; color: var(--wave); padding: 12px 14px; background: var(--card);
  border-radius: 8px; box-shadow: var(--shadow); list-style: none; font-family: "Fraunces", serif; font-size: 1rem;
}
.info-disclosure summary::-webkit-details-marker { display: none; }
.info-disclosure summary::after { content: "▾"; float: right; color: var(--gold); }
.info-disclosure[open] summary { border-radius: 8px 8px 0 0; }
.info-disclosure[open] summary::after { content: "▴"; }
.info-disclosure .hint { border-radius: 0 0 8px 8px; border-top: none; }
.section-title { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--wave); margin: 24px 0 10px; }
.add-form { display: flex; gap: 8px; }
.add-form input { flex: 1; padding: 11px 14px; border: 1px solid var(--wave-soft); border-radius: 8px; background: var(--card); color: var(--ink); font-family: inherit; font-size: 0.95rem; }
.add-form button { background: var(--wave); color: var(--bg); border: none; border-radius: 8px; padding: 0 18px; font-weight: 700; cursor: pointer; font-family: inherit; }
.member-card { background: var(--card); border-radius: 10px; padding: 14px 16px; margin-bottom: 10px; box-shadow: var(--shadow); display: flex; gap: 12px; align-items: flex-start; }
.member-card__avatar { width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; background: radial-gradient(circle at 35% 30%, #fff, var(--gold) 75%); border: 2px solid var(--bg); box-shadow: 0 0 6px var(--gold); cursor: pointer; position: relative; }
.icon-picker { display: flex; flex-wrap: wrap; gap: 6px; background: var(--bg); border: 1px solid var(--wave-soft); border-radius: 8px; padding: 8px; margin-top: 8px; }
.icon-option { border: 1px solid transparent; background: var(--card); border-radius: 6px; font-size: 1.1rem; width: 34px; height: 34px; cursor: pointer; }
.icon-option.selected { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold) inset; }
.member-card__body { flex: 1; min-width: 0; }
.member-card__top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.member-card__name { font-weight: 700; font-size: 1rem; }
.member-card__badge { font-family: "IBM Plex Mono", monospace; font-size: 0.62rem; text-transform: uppercase; background: var(--wave-soft); color: var(--wave); border-radius: 10px; padding: 2px 8px; font-weight: 700; }
.member-card__stat { font-family: "IBM Plex Mono", monospace; font-size: 0.7rem; color: var(--gold); margin-top: 2px; }
.member-card__lastseen { font-family: "IBM Plex Mono", monospace; font-size: 0.68rem; color: var(--wave-soft); margin-top: 2px; }
.member-card__lastseen.warn { color: var(--coral); }
.member-card__link { display: flex; align-items: center; gap: 6px; margin-top: 8px; background: var(--bg); border: 1px solid var(--wave-soft); border-radius: 6px; padding: 6px 10px; }
.member-card__link input { flex: 1; border: none; background: transparent; color: var(--ink); font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; min-width: 0; }
.reveal-btn { border: none; background: transparent; color: var(--wave); cursor: pointer; font-size: 0.9rem; flex-shrink: 0; }
.member-card__actions { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.smallbtn { border: 1px solid var(--wave-soft); background: transparent; color: var(--wave); border-radius: 14px; padding: 5px 12px; font-size: 0.76rem; font-weight: 600; cursor: pointer; font-family: inherit; }
.smallbtn:hover { background: var(--wave-soft); }
.smallbtn--danger { border-color: var(--coral); color: var(--coral); }
.smallbtn--danger:hover { background: var(--coral); color: var(--card); }
.smallbtn--copied { background: var(--wave); color: var(--bg); border-color: var(--wave); }
.edit-row { display: flex; flex-direction: column; gap: 6px; margin: 4px 0 8px; }
.edit-row input { padding: 8px 10px; border: 1px solid var(--wave-soft); border-radius: 6px; background: var(--bg); color: var(--ink); font-family: inherit; font-size: 0.88rem; }
.edit-actions { display: flex; gap: 6px; }