/* /gist: today's episode of The Gist plus one line about today's brief.
   Builds on legal.css for the page shell (header offset, background wash, footer). */

/* ---------- Spaghetti rail (same rope as the case study pages) ---------- */

#rail-canvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: var(--z-canvas);
    pointer-events: none;
}

.has-rail #rail-canvas {
    opacity: 0.9;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #000 12%, #000 88%, rgba(0, 0, 0, 0) 100%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #000 12%, #000 88%, rgba(0, 0, 0, 0) 100%);
}

/* Keep text out of the margin the rope lives in. */
.has-rail .gist {
    padding-inline-end: clamp(320px, 25vw, 440px);
}

@media (max-width: 1199px) {
    #rail-canvas {
        display: none;
    }
}

/* ---------- Page ---------- */

.gist {
    min-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.gist-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    color: var(--color-soft);
    font-size: 0.75rem;
    font-weight: 720;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.gist-live {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #dc2626;
}

.is-playing .gist-live {
    animation: gist-pulse 1.4s ease-in-out infinite;
}

@keyframes gist-pulse {
    50% { opacity: 0.3; }
}

/* ---------- Episode ---------- */

.gist-episode {
    display: grid;
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: center;
    max-width: 880px;
}

.gist-episode--empty {
    display: block;
}

.gist-episode__title {
    margin: 0 0 28px;
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
    font-weight: 540;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

/* Cover art, drawn in the page palette. */
.gist-cover {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    aspect-ratio: 1;
    padding: 30px;
    overflow: hidden;
    background:
        radial-gradient(90% 70% at 85% 0%, rgba(220, 38, 38, 0.16) 0%, rgba(220, 38, 38, 0) 60%),
        radial-gradient(80% 80% at 0% 100%, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0) 70%),
        #121315;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-panel);
}

.gist-cover__logo {
    position: absolute;
    top: 9%;
    right: 9%;
    width: 13%;
    opacity: 0.85;
}

.gist-cover__the {
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.4em;
    text-transform: uppercase;
}

.gist-cover__word {
    margin: 4px 0 10px;
    color: var(--color-text);
    font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
    font-size: 68px;
    line-height: 0.9;
    letter-spacing: -0.02em;
}

.gist-cover__rule {
    display: block;
    height: 2px;
    background: #c2493c;
}

.gist-cover__tag {
    margin-top: 10px;
    color: #e08a7b;
    font-size: 13px;
}

/* Sound bars: still until the episode plays. */
.gist-cover__bars {
    position: absolute;
    left: 30px;
    bottom: 22px;
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 14px;
}

.gist-cover__bars i {
    width: 3px;
    height: 30%;
    border-radius: 1px;
    background: var(--color-soft);
}

.is-playing .gist-cover__bars i {
    background: var(--color-text);
    animation: gist-bars 900ms ease-in-out infinite alternate;
}

.is-playing .gist-cover__bars i:nth-child(2) { animation-delay: -300ms; }
.is-playing .gist-cover__bars i:nth-child(3) { animation-delay: -600ms; }
.is-playing .gist-cover__bars i:nth-child(4) { animation-delay: -150ms; }
.is-playing .gist-cover__bars i:nth-child(5) { animation-delay: -450ms; }

@keyframes gist-bars {
    from { height: 25%; }
    to { height: 100%; }
}

/* ---------- Player ---------- */

.gist-player {
    display: flex;
    align-items: center;
    gap: 16px;
}

.gist-player__toggle {
    flex: none;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    color: var(--color-inverse);
    background: var(--color-text);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 180ms ease, background 180ms ease;
}

.gist-player__toggle:hover {
    transform: scale(1.05);
    background: #ffffff;
}

.gist-player__toggle:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 3px;
}

.gist-player__icon {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.gist-player__icon--pause,
.is-playing .gist-player__icon--play {
    display: none;
}

.is-playing .gist-player__icon--pause {
    display: block;
}

.gist-player__seek {
    --progress: 0%;
    flex: 1;
    min-width: 0;
    height: 20px;
    margin: 0;
    background: transparent;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.gist-player__seek::-webkit-slider-runnable-track {
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(to right, var(--color-text) var(--progress), rgba(255, 255, 255, 0.16) var(--progress));
}

.gist-player__seek::-moz-range-track {
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(to right, var(--color-text) var(--progress), rgba(255, 255, 255, 0.16) var(--progress));
}

.gist-player__seek::-webkit-slider-thumb {
    width: 12px;
    height: 12px;
    margin-top: -4.5px;
    border-radius: 50%;
    background: var(--color-text);
    -webkit-appearance: none;
}

.gist-player__seek::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border: 0;
    border-radius: 50%;
    background: var(--color-text);
}

.gist-player__time {
    flex: none;
    color: var(--color-soft);
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
}

/* ---------- Today's brief ---------- */

.gist-brief {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-width: 880px;
    margin-top: clamp(48px, 7vw, 72px);
    padding-top: 28px;
    color: var(--color-text);
    text-decoration: none;
    border-top: 1px solid var(--color-line);
}

.gist-brief .gist-label {
    margin-bottom: 4px;
}

.gist-brief__title {
    font-size: clamp(1.15rem, 1.8vw, 1.35rem);
    font-weight: 580;
    line-height: 1.3;
}

.gist-brief__line {
    max-width: 64ch;
    color: var(--color-muted);
    line-height: 1.6;
}

.gist-brief__more {
    margin-top: 8px;
    font-size: 0.88rem;
    font-weight: 650;
    transition: transform 180ms ease;
}

.gist-brief:hover .gist-brief__title {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.gist-brief:hover .gist-brief__more {
    transform: translateX(3px);
}

/* ---------- Footer links ---------- */

.gist-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin: clamp(40px, 6vw, 64px) 0 0;
    color: var(--color-soft);
    font-size: 0.88rem;
}

.gist-foot a {
    color: var(--color-muted);
    text-decoration: none;
}

.gist-foot a:hover {
    color: var(--color-text);
}

/* ---------- Narrow screens ---------- */

@media (max-width: 720px) {
    .gist-episode {
        grid-template-columns: 1fr;
    }

    .gist-cover {
        width: 180px;
    }

    .gist-cover {
        padding: 24px;
    }

    .gist-cover__word {
        font-size: 54px;
    }

    .gist-cover__bars {
        left: 24px;
        bottom: 18px;
    }
}