/* ═══════════════════════════════════════════════════════════════════════
   FRAGRANCE ENGINE — Composing loading screen
   Adapted from Claude Design "Loading Screen.html" handoff (2026-05-09)
   Uses project design tokens from base.css. Dark-mode parity included.
   ═══════════════════════════════════════════════════════════════════════ */

.fe-composing {
    /* Liquid-specific tokens (scoped — not in the global system) */
    --liquid-1: #C9893E;
    --liquid-2: #8B4F1A;
    --liquid-3: #E8B574;
    --ink-soft: rgba(26, 15, 8, 0.55);
    --ink-mute: rgba(26, 15, 8, 0.32);
    --rose-soft: rgba(196, 149, 106, 0.12);

    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 35%,
        var(--ivory) 0%,
        var(--parchment) 55%,
        var(--sand) 100%);
    color: var(--ink);
    font-family: var(--font-body);
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

[data-theme="dark"] .fe-composing {
    --ink-soft: rgba(232, 224, 214, 0.55);
    --ink-mute: rgba(232, 224, 214, 0.32);
    background: radial-gradient(ellipse at 50% 35%,
        #221C16 0%,
        #1A1612 55%,
        #110D0A 100%);
}

/* Faint paper grain overlay */
.fe-composing::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(26, 15, 8, 0.025) 1px, transparent 1px),
        radial-gradient(rgba(26, 15, 8, 0.018) 1px, transparent 1px);
    background-size: 3px 3px, 7px 7px;
    background-position: 0 0, 1px 2px;
    pointer-events: none;
    mix-blend-mode: multiply;
    opacity: 0.8;
    z-index: 0;
}

[data-theme="dark"] .fe-composing::before {
    background-image:
        radial-gradient(rgba(232, 224, 214, 0.04) 1px, transparent 1px),
        radial-gradient(rgba(232, 224, 214, 0.025) 1px, transparent 1px);
    mix-blend-mode: screen;
    opacity: 0.5;
}

.fe-composing__stage {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-rows: auto 1fr auto;
    height: 100%;
    padding: 36px 56px 40px;
}

/* ── Topbar ─────────────────────────────────────────────────────── */
.fe-composing__topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
}
.fe-composing__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    letter-spacing: 0.22em;
}
.fe-composing__brand .dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--rose-gold);
    box-shadow: 0 0 0 4px var(--rose-soft);
}
.fe-composing__ref {
    display: inline-flex;
    gap: 18px;
}
.fe-composing__ref span b {
    font-weight: 500;
    color: var(--ink);
    margin-left: 6px;
}

/* ── Center column ───────────────────────────────────────────────── */
.fe-composing__center {
    display: grid;
    grid-template-columns: 1fr minmax(380px, 460px) 1fr;
    align-items: center;
    gap: 40px;
}
.fe-composing__side {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.fe-composing__side--left {
    align-items: flex-end;
    padding-right: 12px;
}
.fe-composing__side--right {
    align-items: flex-start;
    padding-left: 12px;
}
.fe-composing__bottle-wrap {
    display: grid;
    place-items: center;
    position: relative;
}

/* ── Caption beneath the bottle ──────────────────────────────────── */
.fe-composing__caption {
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translate(-50%, 100%);
    text-align: center;
    width: 520px;
}
.fe-composing__eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--rose-gold);
}
.fe-composing__pulse {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--rose-gold);
    margin-right: 10px;
    vertical-align: 1px;
    animation: fe-composing-pulse 1.6s ease-in-out infinite;
}
@keyframes fe-composing-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.35; transform: scale(0.85); }
}
.fe-composing__phase {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 44px;
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin: 14px 0 6px;
    color: var(--ink);
}
.fe-composing__phase em {
    font-style: italic;
    color: var(--rose-gold);
}
.fe-composing__sub {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--ink-soft);
    max-width: 460px;
    margin: 0 auto;
    text-wrap: pretty;
}

/* ── Side panels (ledgers) ───────────────────────────────────────── */
.fe-composing__panel {
    width: 280px;
    border-top: 1px solid var(--border-strong);
    padding-top: 18px;
}
.fe-composing__panel-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 14px;
    display: flex;
    justify-content: space-between;
}
.fe-composing__panel-label b {
    color: var(--ink);
    font-weight: 500;
}
.fe-composing__ledger {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 12px;
}
.fe-composing__row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 12px;
    color: var(--ink-soft);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.fe-composing__row.in {
    opacity: 1;
    transform: none;
}
.fe-composing__row .name {
    color: var(--ink);
    font-family: var(--font-body);
    font-weight: 400;
    letter-spacing: 0.01em;
}
.fe-composing__row .name .lat {
    display: block;
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-soft);
    font-size: 13px;
    margin-top: 1px;
}
.fe-composing__row .pct {
    color: var(--ink);
    font-feature-settings: "tnum";
    letter-spacing: 0.04em;
}
.fe-composing__row .pct .u {
    color: var(--ink-mute);
    margin-left: 1px;
}
.fe-composing__side--right .fe-composing__row {
    grid-template-columns: auto 1fr auto;
}
.fe-composing__side--right .fe-composing__row .tag {
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rose-gold);
    width: 38px;
}

/* ── Footer ──────────────────────────────────────────────────────── */
.fe-composing__footer {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
    gap: 32px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mute);
}
.fe-composing__progress-rail {
    position: relative;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 8px;
}
.fe-composing__step {
    border-top: 1px solid var(--border-strong);
    padding-top: 12px;
    color: var(--ink-mute);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    position: relative;
    transition: color 0.4s ease, border-color 0.4s ease;
}
.fe-composing__step::before {
    content: attr(data-num);
    margin-right: 10px;
    color: inherit;
}
.fe-composing__step.done {
    color: var(--ink);
    border-top-color: var(--ink);
}
.fe-composing__step.active {
    color: var(--rose-gold);
    border-top-color: var(--rose-gold);
}
.fe-composing__step.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -1px;
    height: 1px;
    background: var(--rose-gold);
    transform-origin: left;
    animation: fe-composing-stepfill 1.6s ease-in-out infinite;
}
@keyframes fe-composing-stepfill {
    0%   { transform: scaleX(0);  opacity: 0.6; }
    50%  { transform: scaleX(0.6); opacity: 1;   }
    100% { transform: scaleX(1);  opacity: 0.4; }
}
.fe-composing__footer-meta {
    display: flex;
    justify-content: space-between;
    grid-column: 1 / -1;
    margin-top: 18px;
}
.fe-composing__footer-meta b {
    color: var(--ink);
    font-weight: 500;
    margin-left: 6px;
}

/* ── Bottle SVG defaults ─────────────────────────────────────────── */
.fe-composing svg {
    display: block;
    overflow: visible;
}

/* Seal flash overlay */
.fe-composing__seal-flash {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(196, 149, 106, 0.45), transparent 55%);
    transition: opacity 0.6s ease;
}
.fe-composing__seal-flash.on {
    opacity: 1;
    animation: fe-composing-sealpulse 1.8s ease-out forwards;
}
@keyframes fe-composing-sealpulse {
    0%   { opacity: 0; }
    20%  { opacity: 1; }
    100% { opacity: 0; }
}

/* Sealed-state stamp */
.fe-composing__stamp {
    position: absolute;
    top: 28px;
    right: 0;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--rose-gold);
    border: 1px solid var(--rose-gold);
    padding: 6px 10px;
    transform: rotate(-4deg) scale(0.92);
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
    background: var(--ivory);
}
.fe-composing__stamp.on {
    opacity: 1;
    transform: rotate(-4deg) scale(1);
}

/* Crossfade helper for phase title swaps */
.fe-composing__fade-swap {
    position: relative;
    display: inline-block;
    min-width: 1ch;
}
.fe-composing__fade-swap > span {
    display: inline-block;
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.fe-composing__fade-swap > span.out {
    opacity: 0;
    transform: translateY(-4px);
    position: absolute;
}
.fe-composing__fade-swap > span.in {
    opacity: 1;
    transform: none;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1080px) {
    .fe-composing__center {
        grid-template-columns: 1fr;
    }
    .fe-composing__side {
        display: none;
    }
    .fe-composing__caption {
        width: 90vw;
    }
    .fe-composing__phase {
        font-size: 32px;
    }
    .fe-composing__stage {
        padding: 24px 20px 28px;
    }
}

/* ── Reduced-motion fallback ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .fe-composing__pulse,
    .fe-composing__step.active::after {
        animation: none;
    }
    .fe-composing__row {
        transition: none;
    }
    .fe-composing__fade-swap > span {
        transition: none;
    }
    /* Wave physics, bubbles, and seal animation are disabled in JS via the
       same media query — see composing_screen.js. */
}