/* Family Photos: a darkroom lightbox, phone first. Deliberately dark in both themes so photos read true. */
:root {
  --bg: #0d0f12; --stage: #050607; --panel: #16191e; --ink: #eef0f3; --muted: #9aa3ae; --line: #2a2f37;
  --accent: #ffb454; --accent-ink: #1a1206; --heart: #ff6f91; --heart-bg: #3a1726; --danger: #ff7a6b; --danger-bg: #3a1a17;
  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--body) }
[hidden] { display: none !important }
main { max-width: 1100px; margin: 0 auto; padding: max(14px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom)) }
#v-main { display: grid; gap: 12px }
h1 { font: 800 clamp(24px, 6vw, 32px)/1.05 var(--display); margin: 0; letter-spacing: -.01em }
h2 { font: 700 22px var(--display); margin: 0 }
h3 { font: 700 15px var(--display); margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em }
button, .linkbtn { font: 600 15px var(--body); border-radius: 12px; padding: 11px 16px; cursor: pointer; border: 1.5px solid var(--line); background: var(--panel); color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; justify-content: center; min-height: 44px }
button:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent) }
button.big { font-size: 18px; padding: 14px 28px }
button.small, .linkbtn.small { padding: 7px 12px; font-size: 14px; min-height: 38px; border-radius: 99px }
button.ghost { background: none; border: 0; font-size: 22px; padding: 6px 10px }
button.heart { font-size: 22px; min-width: 56px }
button.heart[aria-pressed="true"] { background: var(--heart-bg); color: var(--heart); border-color: var(--heart) }
button[aria-pressed="true"].small { background: var(--danger-bg); color: var(--danger); border-color: var(--danger) }
button.danger { color: var(--danger) }
button:disabled { opacity: .4; cursor: default }
.linkish { background: none; border: 0; padding: 0; min-height: 0; color: var(--accent); font: 600 14px var(--body); text-decoration: underline }
input[type="text"], select { font: 500 15px var(--body); color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 99px; padding: 8px 14px; max-width: 100%; min-height: 38px }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center }
.note { color: var(--muted); font-size: 14px; margin: 0 }
.mono { font-family: var(--mono); font-size: 12.5px; overflow-wrap: anywhere }
.error { color: var(--danger) } .warn { color: var(--accent); font-size: 14px }
kbd { font: 500 11px var(--mono); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px }

.welcome { min-height: 80vh; display: grid; place-content: center; justify-items: center; text-align: center; gap: 14px; max-width: 420px; margin: 0 auto }
.welcome img { border-radius: 22px }
.welcome p { margin: 0; color: var(--muted) }

.top { display: flex; align-items: center; gap: 10px }
.top .count { color: var(--muted); font-size: 13px; margin-left: auto; font-variant-numeric: tabular-nums }
.modes { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none }
.modes button { flex: none; border-radius: 99px; padding: 7px 14px; min-height: 38px; font-size: 14px; color: var(--muted); background: transparent }
.modes button[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink) }
.banner { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px }
.banner strong { font: 700 15px var(--display) } .banner span { color: var(--muted); font-size: 13px }

.stage { background: var(--stage); border-radius: 14px; width: 100%; aspect-ratio: 3 / 2; max-height: 70vh; display: grid; place-items: center; overflow: hidden; position: relative; touch-action: pan-y }
@media (max-width: 600px) { .stage { aspect-ratio: 4 / 5; border-radius: 12px } }
.stage:fullscreen { max-height: none; border-radius: 0; aspect-ratio: auto }
.stage img { width: 100%; height: 100%; object-fit: contain; display: block; animation: in .45s ease }
@keyframes in { from { opacity: 0 } to { opacity: 1 } }
@media (prefers-reduced-motion: reduce) { .stage img { animation: none } }
.stage .msg { color: var(--muted); padding: 24px; text-align: center; max-width: 40ch; margin: 0 }
.badge { position: absolute; top: 12px; left: 12px; font: 600 12px var(--body); padding: 4px 10px; border-radius: 99px; background: var(--danger-bg); color: var(--danger) }

.caption { display: grid; gap: 2px }
.line1 { font: 700 19px/1.25 var(--display); margin: 0 }
.line2, .loved { color: var(--muted); margin: 0; font-size: 14px }
.loved { color: var(--heart) }
.controls .next { flex: 1; max-width: 240px; font-size: 17px }

.tools { background: var(--panel); border: 1px solid var(--line); border-radius: 14px }
.tools summary { padding: 12px 14px; cursor: pointer; font-weight: 600 }
.tools-body { padding: 0 14px 14px; display: grid; gap: 12px }
.label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); min-width: 64px }
.tag { display: inline-flex; align-items: center; gap: 2px; background: var(--bg); border: 1px solid var(--line); border-radius: 99px; padding: 2px 4px 2px 10px; font-size: 14px }
.tag button { border: 0; background: none; min-height: 0; padding: 2px 8px; font-size: 16px; color: var(--muted) }
.keys { color: var(--muted); font-size: 12px; margin: 0 }
@media (hover: none) { .keys { display: none } }

dialog { border: 0; padding: 0; background: transparent; color: var(--ink); max-width: min(560px, 100vw - 24px); width: 100% }
dialog::backdrop { background: rgba(0, 0, 0, .65) }
.sheet { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 18px; max-height: 85vh; overflow: auto }
.sheet-top { display: flex; align-items: center; justify-content: space-between }
.chips { display: flex; flex-wrap: wrap; gap: 6px }
.chip { border-radius: 99px; padding: 6px 12px; min-height: 36px; font-size: 14px; font-weight: 500 }
.chip small { color: var(--muted); margin-left: 6px; font-variant-numeric: tabular-nums }
.list { list-style: none; margin: 0 0 10px; padding: 0; display: grid; gap: 6px }
.list li { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; display: flex; gap: 8px; align-items: center; justify-content: space-between; flex-wrap: wrap }
.list li span { color: var(--muted); font-size: 13px }
.invite-out { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px; display: grid; gap: 8px; margin-top: 8px }
.invite-out code { font: 12.5px var(--mono); overflow-wrap: anywhere; user-select: all }
.toggle { display: inline-flex; gap: 8px; align-items: center; margin-right: 6px }
.toast { position: fixed; left: 50%; bottom: max(20px, env(safe-area-inset-bottom)); transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 99px; font-weight: 600; font-size: 14px; max-width: calc(100vw - 32px); text-align: center; z-index: 10 }