/* =====================================================================
   paper.css — the aged-paper letters (and the bottle they arrive in).
   Used with sky/letters.js.
   ===================================================================== */

:root {
    --paper:       #e9dbb8;
    --paper-light: #f3e8cc;
    --paper-dark:  #c9b082;
    --ink-blot:    #24170c;
}

/* the container lets clicks fall through its empty space to the scene behind */
.letters { position: relative; z-index: 2; pointer-events: none; }

.letter {
    position: relative;
    max-width: 780px;
    margin: 0 auto 110px;
    pointer-events: auto;
}
.letter.corked { clip-path: inset(0 0 100% 0); }

.sheet {
    position: relative;
    padding: 72px 72px 80px;
    overflow: hidden;
    background-color: var(--paper);
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.35 0 0 0 0 0.25 0 0 0 0 0.12 0 0 0 0.22 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
        radial-gradient(circle at 82% 14%, rgba(139, 90, 43, 0.18) 0 38px, transparent 70px),
        radial-gradient(circle at 12% 78%, rgba(139, 90, 43, 0.14) 0 26px, transparent 60px),
        radial-gradient(circle at 64% 92%, rgba(120, 72, 30, 0.12) 0 50px, transparent 110px),
        radial-gradient(ellipse at 30% 30%, var(--paper-light), transparent 60%),
        radial-gradient(ellipse at center, transparent 58%, var(--paper-dark) 100%);
    box-shadow:
        0 0 0 1px rgba(60, 40, 20, 0.25),
        inset 0 0 80px rgba(110, 70, 30, 0.35),
        inset 0 14px 18px -10px rgba(80, 55, 25, 0.45),
        inset 0 -14px 18px -10px rgba(80, 55, 25, 0.45),
        0 22px 50px rgba(0, 0, 0, 0.6);
}
.sheet::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(110, 82, 54, 0.08) 31px 32px);
}

/* the rolled-up top and bottom edges */
.curl {
    position: absolute;
    left: -12px;
    right: -12px;
    height: 24px;
    z-index: 3;
    border-radius: 12px;
    background: linear-gradient(to bottom, #9c7f4f 0%, #e9d9b2 22%, #f6ecd2 42%, #d9c393 70%, #8e7045 100%);
    box-shadow: 0 5px 8px rgba(0,0,0,.35);
}
.curl-top    { top: -12px; }
.curl-bottom { bottom: -12px; }
.curl::before,
.curl::after {
    content: "";
    position: absolute;
    top: 0;
    width: 16px;
    height: 24px;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%, #6e5236 0 2px, #cdb585 3px 5px, #8e7045 6px 7px, #e2cfa3 8px);
}
.curl::before { left: 0; }
.curl::after  { right: 0; }

.content { position: relative; z-index: 1; }

/* ---------- ink spots & stars (scattered by letters.js) ---------- */
.marks { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.marks svg { position: absolute; overflow: visible; }
.blot        { color: var(--ink-blot); opacity: 0.82; }
.blot.faint  { opacity: 0.35; }
.star        { color: var(--ink-faded); opacity: 0.8; }
.star.red    { color: var(--sanguine); opacity: 0.75; }

/* ---------- type ---------- */
.date {
    margin: 0 0 6px;
    font-style: italic;
    font-size: .9rem;
    color: var(--ink-faded);
    letter-spacing: .02em;
}
.letter h2 {
    font-family: "IM Fell English SC", Georgia, serif;
    font-weight: normal;
    font-size: clamp(2rem, 5.5vw, 3rem);
    letter-spacing: 0.03em;
    line-height: 1.1;
    margin: 0 0 6px;
}
.letter h3 {
    font-family: "IM Fell English SC", Georgia, serif;
    font-weight: normal;
    font-size: 1.5rem;
    margin: 1.4em 0 .4em;
}
.subtitle { font-style: italic; color: var(--ink-faded); margin: 0 0 20px; }
.letter hr {
    border: none;
    height: 14px;
    margin: 8px 0 28px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='14' viewBox='0 0 400 14'%3E%3Cpath d='M2 8 C 60 3, 120 11, 200 7 S 340 4, 398 8' fill='none' stroke='%236e5236' stroke-width='1.3' stroke-linecap='round'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
    opacity: 0.8;
}
.letter p { margin: 0 0 1.1em; position: relative; }
.letter img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 10px auto 20px;
    filter: sepia(.35) contrast(.95);
    box-shadow: 0 2px 8px rgba(60,40,20,.35);
}
.lede::first-letter {
    float: left;
    font-family: "IM Fell English SC", Georgia, serif;
    font-size: 3.4em;
    line-height: 0.85;
    padding: 6px 8px 0 0;
    color: var(--sanguine);
}
.sketch {
    float: right;
    width: 190px;
    margin: 0 -24px 12px 24px;
    opacity: 0.75;
    transform: rotate(3deg);
}
.mirror {
    display: block;
    transform: scaleX(-1);
    text-align: right;
    font-style: italic;
    font-size: 0.95rem;
    color: var(--ink-faded);
    margin-top: 36px;
    opacity: 0.8;
}
.signoff { font-style: italic; text-align: right; margin-top: 28px; }

.credit {
    position: relative;
    z-index: 2;
    margin: 0 0 40px;
    text-align: center;
    font-style: italic;
    font-size: .9rem;
    color: #fdf3da;
    text-shadow: 0 1px 3px rgba(0,0,0,.4);
}
.credit a { color: #fdf3da; }

/* ---------- today's message in a bottle ---------- */
.bottle-wrap {
    position: absolute;
    left: 46vw;
    bottom: 12%;
    width: 190px;
    pointer-events: auto;
    cursor: pointer;
    transform-origin: 50% 60%;
    -webkit-user-select: none;
            user-select: none;
    touch-action: none;
}
.bottle {
    display: block;
    width: 100%;
    overflow: visible;
    filter: drop-shadow(0 4px 5px rgba(0,0,0,.4));
    transition: filter .25s;
}
.bottle-wrap:hover .bottle { filter: drop-shadow(0 4px 5px rgba(0,0,0,.4)) drop-shadow(0 0 10px rgba(255,240,200,.65)); }
.b-cork { cursor: grab; transform-box: fill-box; transform-origin: center; }

.bottle-hint {
    position: absolute;
    left: calc(46vw + 95px);
    bottom: calc(12% + 96px);
    z-index: 3;
    margin: 0;
    transform: translateX(-50%);
    white-space: nowrap;
    text-align: center;
    font-style: italic;
    font-size: 1.3rem;
    color: #fdf8ec;
    text-shadow: 0 1px 4px rgba(20,40,60,.55);
    transition: opacity .5s;
}
.bottle-hint small { display: block; font-size: .95rem; opacity: .85; }

.flying-scroll {
    position: fixed;
    z-index: 6;
    border-radius: 999px;
    background: linear-gradient(to bottom, #9c7f4f 0%, #e9d9b2 22%, #f6ecd2 42%, #d9c393 70%, #8e7045 100%);
    box-shadow: 0 6px 10px rgba(0,0,0,.35);
    pointer-events: none;
}
.flying-scroll::after {
    content: "";
    position: absolute;
    left: 50%;
    top: -1px;
    bottom: -1px;
    width: 8px;
    margin-left: -4px;
    background: var(--sanguine);
    transition: opacity .4s;
}
.flying-scroll.untied::after { opacity: 0; }

/* ---------- small screens ---------- */
@media (max-width: 620px) {
    .sheet { padding: 52px 24px 58px; }
    .curl { left: -8px; right: -8px; }
    .sketch { width: 120px; margin: 0 -6px 8px 12px; }
    .marks svg.blot { width: 30px !important; height: 30px !important; opacity: .45; }
    .bottle-wrap { width: 130px; left: 30vw; }
    .bottle-hint { font-size: 1.1rem; left: calc(30vw + 65px); bottom: calc(12% + 70px); }
}

/* ---------- your handwriting (sky/hand.js: once there's a font in assets/fonts/handwriting) ----------
   the words, the date and the subtitle in it; the titles, the big first letter and the embeds' cards stay in IM Fell.
   (a size to taste: --hand-size, 1 = the same size as the usual lettering) */
html.has-hand .letter .content { font-family: "dav-hand", "IM Fell English", Georgia, serif; font-size: calc(var(--hand-size, 1) * 1em); }
html.has-hand .letter .content :is(.date, .subtitle) { font-style: normal; }     /* (handwriting has no italic of its own) */
html.has-hand .letter .content figure { font-family: "IM Fell English", Georgia, serif; }