/* Fairly Odd Bitches — a book, on a phone. The video frame is 800×1136 and
   fills the screen (cover-fit); the words sit on the right-hand page at
   fractions of that frame, which app.js turns into pixels. */
:root {
  --ink: #3a2a1a;
  --ink-soft: #6b5238;
  --gold: #b8923f;
  --paper: #efe4cd;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: #1a1410; overflow: hidden; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
body { font-family: "Snell Roundhand", "Savoye LET", "Bradley Hand", "Segoe Script", cursive; color: var(--ink); }

#book { position: fixed; inset: 0; overflow: hidden; background: #1a1410; }
.layer { position: absolute; left: 0; top: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.clip { opacity: 0; pointer-events: none; }
.clip.on { opacity: 1; }
#poster { transition: opacity 120ms linear; }
#poster.under { opacity: 0; }

/* the words on the page — placed by app.js in px */
.page { position: absolute; pointer-events: none; padding: 0; display: flex; flex-direction: column; gap: 0.35em; }
.page[hidden] { display: none; }
.page .folio { font-family: Georgia, "Times New Roman", serif; font-size: 0.72em; letter-spacing: 0.3em; color: var(--ink-soft); margin: 0 0 0.6em; opacity: 0.8; }
.page h1 { font-size: 2.9em; line-height: 1; margin: 0; font-weight: 400; color: var(--ink); text-shadow: 0 0 1px rgba(58, 42, 26, 0.25); }
.page .about { font-size: 1.6em; margin: 0; color: var(--ink-soft); }
.page .note { font-size: 1.25em; margin: 0.8em 0 0; color: var(--ink); line-height: 1.35; min-height: 1.35em; }
.page .open {
  pointer-events: auto; align-self: flex-start; margin-top: 1.2em;
  font: 400 1.4em "Snell Roundhand", "Bradley Hand", cursive; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1.5px solid var(--gold); padding: 0 0.1em 0.15em;
  opacity: 0; transition: opacity 400ms ease;
}
.page .open.ready { opacity: 1; }
.page .open:active { color: var(--gold); }
.page .hint { font-family: Georgia, serif; font-size: 0.72em; color: var(--ink-soft); margin: 0.4em 0 0; opacity: 0; transition: opacity 400ms ease 200ms; }
.page .hint.ready { opacity: 0.75; }
/* the pen: an ink sweep with a soft edge, driven by --p from 0% to 110% */
@property --p { syntax: "<percentage>"; inherits: false; initial-value: 0%; }
.page [data-ink], .page h1, .page .about, .page .note {
  --p: 0%;
  -webkit-mask-image: linear-gradient(90deg, #000 calc(var(--p) - 9%), rgba(0, 0, 0, 0) var(--p));
  mask-image: linear-gradient(90deg, #000 calc(var(--p) - 9%), rgba(0, 0, 0, 0) var(--p));
}
/* while the empty page glides in, the box is placed but nothing shows */
.page.ghost > * { opacity: 0 !important; }
.page { will-change: transform, left, top; }

.lift {
  position: absolute; left: 50%; bottom: max(28px, env(safe-area-inset-bottom, 28px));
  transform: translateX(-50%);
  font: 400 22px "Snell Roundhand", "Bradley Hand", cursive; color: #e9d7a8;
  background: rgba(20, 14, 8, 0.55); border: 1px solid rgba(184, 146, 63, 0.7); border-radius: 999px;
  padding: 10px 26px; letter-spacing: 0.04em;
  animation: breathe 2.6s ease-in-out infinite;
}
.lift[hidden] { display: none; }
@keyframes breathe { 0%, 100% { box-shadow: 0 0 0 rgba(184, 146, 63, 0); } 50% { box-shadow: 0 0 22px rgba(184, 146, 63, 0.45); } }

.corner {
  position: absolute; bottom: max(14px, env(safe-area-inset-bottom, 14px)); width: 56px; height: 56px;
  font: 400 40px Georgia, serif; line-height: 1; color: rgba(233, 215, 168, 0.85);
  background: rgba(20, 14, 8, 0.35); border: 1px solid rgba(184, 146, 63, 0.4); border-radius: 50%;
}
.corner[hidden] { display: none; }
.corner.back { left: 14px; }
.corner.next { right: 14px; }
.corner:active { background: rgba(184, 146, 63, 0.4); }
.pen {
  position: absolute; top: max(14px, env(safe-area-inset-top, 14px)); right: 14px; width: 44px; height: 44px;
  font-size: 20px; color: rgba(233, 215, 168, 0.85);
  background: rgba(20, 14, 8, 0.35); border: 1px solid rgba(184, 146, 63, 0.4); border-radius: 50%;
}
.pen[hidden] { display: none; }

/* the editor */
dialog#editor { border: 0; border-radius: 14px; padding: 0; width: min(92vw, 420px); background: var(--paper); color: var(--ink); font-family: Georgia, serif; }
dialog#editor::backdrop { background: rgba(0, 0, 0, 0.55); }
#editForm { padding: 18px 18px 14px; display: flex; flex-direction: column; gap: 12px; }
#editForm h2 { margin: 0 0 2px; font: 400 26px "Snell Roundhand", "Bradley Hand", cursive; }
#editForm label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-soft); }
#editForm input, #editForm textarea { font: 16px Georgia, serif; padding: 9px 10px; border: 1px solid #c9b58f; border-radius: 8px; background: #fbf6ea; color: var(--ink); }
#editForm .how { font-size: 12px; color: var(--ink-soft); margin: 0; line-height: 1.4; }
#editForm .row { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
#editForm button { font: 15px Georgia, serif; padding: 9px 16px; border-radius: 999px; border: 1px solid #c9b58f; background: transparent; color: var(--ink); }
#editForm button.primary { background: var(--gold); border-color: var(--gold); color: #fff; }

/* ?tune: the slider and the rest buttons */
#tuner { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; padding: 10px 12px max(10px, env(safe-area-inset-bottom, 10px)); background: rgba(20, 14, 8, 0.88); color: #e9d7a8; font: 13px Georgia, serif; display: flex; flex-direction: column; gap: 8px; }
#tuner .t-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
#tuner input[type=range] { flex: 1; accent-color: #b8923f; }
#tuner b { min-width: 58px; text-align: right; font-weight: 400; }
#tuner button { font: 12px Georgia, serif; color: #e9d7a8; background: transparent; border: 1px solid rgba(184, 146, 63, 0.6); border-radius: 999px; padding: 5px 10px; }
#tuner button.t-hold { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.1; padding: 4px 10px; }
#tuner button.t-hold em { font-style: normal; font-size: 11px; opacity: 0.8; }
#tuner textarea { width: 100%; font: 12px monospace; background: rgba(0, 0, 0, 0.35); color: #e9d7a8; border: 1px solid rgba(184, 146, 63, 0.4); border-radius: 6px; padding: 4px 6px; }