/* Daily Digest preview (account-gated). Inert until the SPA stamps `dv2-*` classes.
   Every color resolves from the SPA's own tokens (:root / body.dark), so the reader,
   the welcome card, and the composer chip follow the OurAI palette in both themes. */
body.dv2-open { overflow: hidden; }

/* ---- Welcome card: the Digest stays one of the four cards, with a live highlight ---- */
#digestCardDesktop.dv2-card,
#digestCardMobile.dv2-card {
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    border-color: color-mix(in srgb, var(--accent) 45%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent), var(--shadow-sm);
    transform-origin: 50% 82%;
    animation: dv2-card-nudge 7s ease-in-out 1.6s infinite;
    will-change: transform;
}
#digestCardDesktop.dv2-card {
    /* Keep the polish layer's staggered rise for the 4th card, then start nudging. */
    animation: polish-rise 0.42s var(--ease) 210ms backwards, dv2-card-nudge 7s ease-in-out 1.6s infinite;
}
body.dark #digestCardDesktop.dv2-card,
body.dark #digestCardMobile.dv2-card {
    background: color-mix(in srgb, var(--accent) 14%, transparent);
}
#digestCardDesktop.dv2-card:hover,
#digestCardDesktop.dv2-card:focus-visible,
#digestCardMobile.dv2-card:hover,
#digestCardMobile.dv2-card:focus-visible { animation: none; }
#digestCardDesktop.dv2-card .card-icon,
#digestCardMobile.dv2-card .card-icon {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 20%, transparent);
}
body.dark #digestCardDesktop.dv2-card .card-icon,
body.dark #digestCardMobile.dv2-card .card-icon {
    background: color-mix(in srgb, var(--accent) 28%, transparent);
}
.dv2-badge {
    position: absolute;
    top: 10px;
    right: 12px;
    padding: 5px 8px;
    border-radius: var(--radius-pill);
    background: var(--accent-solid);
    color: #fff;
    font: 600 10px/1 var(--font-sans);
    letter-spacing: .08em;
    text-transform: uppercase;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent);
    animation: dv2-badge-pulse 2.8s ease-out 1.2s infinite;
    pointer-events: none;
}
@keyframes dv2-card-nudge {
    0%, 70%, 86%, 100% { transform: translateY(0) rotate(0); }
    73% { transform: translateY(-1px) rotate(-1.25deg); }
    76% { transform: translateY(-1px) rotate(1.25deg); }
    79% { transform: translateY(-1px) rotate(-0.7deg); }
    82% { transform: translateY(-1px) rotate(0.35deg); }
}
@keyframes dv2-badge-pulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent); }
    60%, 100% { box-shadow: 0 0 0 9px color-mix(in srgb, var(--accent) 0%, transparent); }
}

/* ---- Composer chip: the story context travels with the conversation in the main chat ---- */
.dv2-chip {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0 0 10px;
    padding: 10px 12px;
    background: var(--accent-tint);
    border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    color: var(--text-primary);
    animation: dv2-rise 0.28s var(--ease) backwards;
}
.dv2-chip[hidden] { display: none !important; }
.dv2-chip-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.dv2-chip-icon { color: var(--accent); flex-shrink: 0; display: grid; place-items: center; }
.dv2-chip-icon svg { width: 16px; height: 16px; }
.dv2-chip-title { flex: 1; min-width: 0; font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dv2-chip-title em { font-style: normal; font-weight: 500; color: var(--text-secondary); }
.dv2-chip-close {
    flex-shrink: 0;
    border: 0;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: grid;
    place-items: center;
}
.dv2-chip-close svg { width: 14px; height: 14px; }
.dv2-chip-close:hover { background: var(--surface-hover); color: var(--text-primary); }
.dv2-chip-starters { display: flex; flex-wrap: wrap; gap: 6px; }
.dv2-chip-starters button {
    border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
    background: var(--bg-input);
    color: var(--text-primary);
    border-radius: var(--radius-pill);
    padding: 5px 10px;
    font: 500 12px/1.3 var(--font-sans);
    cursor: pointer;
    transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}
.dv2-chip-starters button:hover:not(:disabled) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--bg-input)); }
.dv2-chip-starters button:disabled { opacity: .5; cursor: default; }
.dv2-chip-hint { align-self: center; font: 500 12px/1.3 var(--font-sans); color: var(--text-secondary); }
.dv2-chip-focus button { max-width: 100%; text-align: left; white-space: normal; }
.dv2-finished-others { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 2px 14px; align-items: baseline; }
.dv2-finished-others .dv2-link { padding: 2px 0; font-size: 13px; text-align: left; }
@keyframes dv2-rise { from { opacity: 0; transform: translateY(4px); } }
/* The seeded opener (the story's question, shown as OurAI's first line) is not a model reply. */

/* ---- Reader overlay ---- */
.dv2 {
    --dv-paper: var(--bg-primary, #ffffff);
    --dv-surface: var(--bg-secondary, #F8FAFC);
    --dv-ink: var(--text-primary, #111827);
    --dv-muted: var(--text-secondary, #6b7280);
    --dv-rule: var(--border-color, #E2E8F0);
    --dv-accent: var(--accent, #0284C7);
    --dv-accent-solid: var(--accent-solid, #0369A1);
    --dv-tint: var(--accent-tint, #E0F2FE);
    --dv-display: 'Fraunces', Georgia, serif;
    --dv-sans: var(--font-sans, 'Inter', sans-serif);
    --dv-serif: var(--font-chat, 'Source Serif 4', Georgia, serif);
    --dv-ease: var(--ease, ease);
    color: var(--dv-ink);
    font: 400 16px/1.6 var(--dv-sans);
}
.dv2 *, .dv2 *::before, .dv2 *::after { box-sizing: border-box; }
.dv2 [hidden], .dv2-overlay[hidden] { display: none !important; }
.dv2 button { font: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.dv2 a { -webkit-tap-highlight-color: transparent; }
.dv2 button:disabled { cursor: default; opacity: .5; }
.dv2 button:focus-visible, .dv2 a:focus-visible { outline: 3px solid var(--focus-ring, rgba(2,132,199,.3)); outline-offset: 3px; }

.dv2-overlay {
    position: fixed;
    inset: 0;
    z-index: 10020;
    display: grid;
    place-items: center;
    padding: 2vh 2vw;
    background: rgba(15, 23, 42, .55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: dv2-fade .18s var(--dv-ease);
}
@keyframes dv2-fade { from { opacity: 0; } }
.dv2-dialog {
    background: var(--dv-paper);
    border: 1px solid var(--dv-rule);
    width: min(1180px, 96vw);
    height: 94vh;
    height: min(94dvh, 1040px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius-lg, 16px);
    box-shadow: var(--shadow-modal, 0 24px 64px rgba(15,23,42,.18));
    animation: dv2-rise .28s var(--dv-ease) backwards;
}
.dv2-header {
    padding: 14px 24px 12px;
    border-bottom: 1px solid var(--dv-rule);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.dv2-header-copy { min-width: 0; }
.dv2-kicker {
    display: block;
    font: 700 10px/1.4 var(--dv-sans);
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--dv-accent);
}
.dv2-header h2 {
    margin: 3px 0 3px;
    font: 500 clamp(22px, 2.6vw, 30px)/1.1 var(--dv-display);
    letter-spacing: -.025em;
    color: var(--dv-ink);
    text-wrap: balance;
}
.dv2-header h2 em { font-style: italic; color: var(--dv-accent); }
.dv2-title-short { display: none; }
.dv2-meta { color: var(--dv-muted); font-size: 12px; margin: 0; }
.dv2-header-tools { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.dv2-play { min-height: 38px; padding: 6px 14px; white-space: nowrap; }
.dv2-icon {
    width: 40px;
    min-height: 40px;
    border: 1px solid var(--dv-rule);
    border-radius: 50%;
    background: var(--dv-paper);
    display: inline-grid;
    place-items: center;
    color: var(--dv-ink);
    flex-shrink: 0;
    transition: background-color .16s var(--dv-ease), border-color .16s var(--dv-ease);
}
.dv2-icon:hover:not(:disabled) { background: var(--dv-tint); border-color: var(--dv-accent); }
.dv2-icon svg, .dv2-button svg { width: 17px; height: 17px; }
.dv2-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.dv2-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 8px 16px;
    border: 1px solid var(--dv-rule);
    border-radius: var(--radius-pill, 999px);
    background: var(--dv-paper);
    color: var(--dv-ink);
    font: 500 13px/1.4 var(--dv-sans);
    text-decoration: none;
    transition: background-color .16s var(--dv-ease), border-color .16s var(--dv-ease), transform .16s var(--dv-ease);
}
.dv2-button:hover:not(:disabled) { background: var(--dv-tint); border-color: var(--dv-accent); transform: translateY(-1px); }
.dv2-button.primary { background: var(--dv-accent-solid); border-color: transparent; color: #fff; }
.dv2-button.primary:hover:not(:disabled) { background: var(--dv-accent-solid); filter: brightness(1.08); }
.dv2-link {
    background: transparent;
    border: 0;
    padding: 8px 0;
    color: var(--dv-accent);
    font: 500 13px/1.5 var(--dv-sans);
    text-decoration: underline;
    text-underline-offset: 4px;
}
.dv2-link:hover { color: var(--accent-hover, var(--dv-accent)); }

/* Player bar (podcast) */
.dv2-player {
    border-top: 1px solid var(--dv-rule);
    background: var(--dv-surface);
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.dv2-player-copy { flex: 1; min-width: 0; }
.dv2-player-copy strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 600; }
.dv2-player-copy span { color: var(--dv-muted); font-size: 11px; }
.dv2-player .dv2-button { min-height: 34px; padding: 6px 12px; font-size: 12px; }

/* Reader */
.dv2-reader { min-height: 0; flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 14px 24px 28px; }
.dv2-stories { display: grid; grid-template-columns: 1fr 1fr; column-gap: 32px; }
.dv2-story { padding: 16px 0; border-bottom: 1px solid var(--dv-rule); min-width: 0; cursor: pointer; }
.dv2-story:first-child { grid-column: 1 / -1; padding-top: 4px; }
.dv2-story:hover h3 { color: var(--dv-accent); }
.dv2-story-meta { color: var(--dv-muted); font: 500 11px/1.4 var(--dv-sans); letter-spacing: .04em; text-transform: uppercase; }
.dv2-story h3 { margin: 5px 0 8px; font: 500 22px/1.2 var(--dv-display); letter-spacing: -.02em; color: var(--dv-ink); text-wrap: balance; transition: color .16s var(--dv-ease); }
.dv2-story:first-child h3 { font-size: clamp(24px, 2.8vw, 32px); max-width: 30ch; }
.dv2-story p { margin: 0 0 10px; font: 400 15px/1.62 var(--dv-serif); color: var(--dv-ink); }
.dv2-question {
    background: var(--dv-tint);
    border-left: 3px solid var(--dv-accent);
    border-radius: 0 var(--radius-sm, 8px) var(--radius-sm, 8px) 0;
    padding: 9px 12px;
    margin: 10px 0 10px;
}
.dv2-question .dv2-kicker { font-size: 10px; margin-bottom: 3px; }
.dv2-question p { margin: 0; font: 500 16px/1.4 var(--dv-serif); }
.dv2-story .dv2-actions { gap: 10px; }
.dv2-story .dv2-button { min-height: 36px; padding: 6px 14px; }
.dv2-story .dv2-link { font-size: 12px; }
.dv2-finished {
    padding: 14px 18px;
    margin: 0 0 16px;
    background: var(--dv-tint);
    border: 1px solid color-mix(in srgb, var(--dv-accent) 30%, transparent);
    border-radius: var(--radius-md, 12px);
}
.dv2-finished p { font: 500 20px/1.4 var(--dv-serif); margin: 4px 0 12px; }
.dv2-transcript { border: 1px solid var(--dv-rule); border-radius: var(--radius-md, 12px); margin: 0 0 22px; padding: 16px 18px; font-size: 14px; }
.dv2-transcript h4 { font: 600 17px/1.4 var(--dv-serif); margin: 16px 0 6px; }
.dv2-transcript p { font: 400 14px/1.6 var(--dv-serif); margin: 0 0 8px; }
.dv2-empty { padding: 22px 0 8px; color: var(--dv-muted); font-size: 14px; }
.dv2-loading { display: flex; gap: 8px; padding: 20px 0; align-items: center; color: var(--dv-muted); font-size: 13px; }
.dv2-loading::before { content: ''; width: 8px; height: 8px; background: var(--dv-accent); border-radius: 50%; animation: dv2-blink 1.1s ease-in-out infinite; }
@keyframes dv2-blink { 50% { opacity: .25; } }
.dv2-status { color: var(--dv-muted); font-size: 12px; line-height: 1.5; margin: 8px 0 0; }
.dv2-status.error { color: var(--danger, #DC2626); }
html[data-textscale="large"] .dv2-story p { font-size: 18px; }
html[data-textscale="larger"] .dv2-story p { font-size: 21px; }
html[data-textscale="largest"] .dv2-story p { font-size: 26px; }

@media (max-width: 760px) {
    .dv2-overlay { padding: 0; }
    .dv2-dialog { width: 100%; height: var(--vvh, 100vh); border-radius: 0; border: 0; }
    @supports (height: 100dvh) { .dv2-dialog { height: var(--vvh, 100dvh); } }
    /* One short title line beside the Play pill; the meta line carries the date and count. */
    .dv2-header { padding: 8px 14px 8px; gap: 8px; }
    .dv2-header .dv2-kicker, .dv2-title-long { display: none; }
    .dv2-title-short { display: inline; }
    .dv2-header h2 { font-size: 19px; margin: 0 0 1px; white-space: nowrap; }
    .dv2-meta { font-size: 11px; }
    .dv2-header .dv2-icon { width: 34px; min-height: 34px; }
    .dv2-play { min-height: 34px; padding: 5px 11px; font-size: 12px; }
    .dv2-reader { padding: 10px 16px 24px; }
    .dv2-stories { display: block; }
    .dv2-story { padding: 14px 0; }
    .dv2-story h3 { font-size: 21px; }
    .dv2-story:first-child h3 { font-size: 23px; }
    .dv2-story p { font-size: 15px; line-height: 1.55; }
    .dv2-question { padding: 8px 10px; margin: 8px 0; }
    .dv2-question p { font-size: 15px; }
    .dv2-finished { padding: 14px 16px; margin-bottom: 14px; }
    .dv2-finished p { font-size: 18px; }
    .dv2-player { padding: 10px 14px max(10px, env(safe-area-inset-bottom)); gap: 8px; }
    .dv2-player .dv2-icon { width: 34px; min-height: 34px; }
    .dv2-player .dv2-button { padding: 6px 8px; min-height: 34px; font-size: 11px; }
    .dv2-badge { top: 8px; right: 10px; }
    /* Composer chip: one scrollable row of openers and a two-line question. */
    .dv2-chip { padding: 8px 10px; gap: 6px; }
    .dv2-chip-starters { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; margin: 0 -10px; padding: 1px 10px; }
    .dv2-chip-starters::-webkit-scrollbar { display: none; }
    .dv2-chip-starters button { flex-shrink: 0; }
    .dv2-chip-focus button { max-width: 72vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}
@media (prefers-reduced-motion: reduce) {
    .dv2 *, .dv2-chip, .dv2-badge,
    #digestCardDesktop.dv2-card, #digestCardMobile.dv2-card {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}