/* =============================================================================
   /how-i-work
   =============================================================================
   Page-specific components: the hub diagram, the replay panel, the scheduled
   runs and the connector wall. Everything else comes from brand.css.
   ============================================================================= */

/* --- Hero line ----------------------------------------------------------- */
.hero__line {
    margin-top: var(--space-l);
    max-width: 56rem;
}

/* Wider split for the replay: the transcript needs room to breathe. */
.split--wide { grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr); }

@media (max-width: 900px) {
    .split--wide { grid-template-columns: minmax(0, 1fr); }
}

/* --- Replay panel -------------------------------------------------------- */
.chat {
    border: 1px solid var(--rule);
    border-radius: var(--radius-l);
    background: var(--white);
    box-shadow: var(--shadow-m);
    overflow: hidden;
}

.chat__bar {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.95rem;
    border-bottom: 1px solid var(--rule);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--slate-400);
}

.chat__bar::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--amber-bright);
}

.chat__bar-time { margin-left: auto; letter-spacing: 0; text-transform: none; }

.chat__log {
    display: grid;
    gap: 0.85rem;
    align-content: start;
    min-height: 27rem;
    padding: var(--space-s) var(--space-m);
}

.chat__msg {
    max-width: 88%;
    font-size: var(--step--1);
    line-height: 1.55;
    text-wrap: pretty;
}

.chat__msg--user {
    justify-self: end;
    padding: 0.6rem 0.95rem;
    border-radius: 14px 14px 4px 14px;
    background: var(--ink-900);
    color: var(--paper);
}

.chat__msg--ai {
    justify-self: start;
    color: var(--fg);
    padding: 0.15rem 0;
}

.chat__tool {
    justify-self: start;
    display: grid;
    gap: 0.4rem;
    max-width: 88%;
}

.chat__tool .chip.is-running::before {
    animation: chat-pulse 900ms ease-in-out infinite;
}

.chat__result {
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--rule);
    border-radius: var(--radius-s);
    background: var(--paper-2);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 1.6;
    color: var(--slate-600);
    white-space: pre-line;
}

.chat__result strong { color: var(--ink-900); font-weight: 600; }

.chat__caret {
    display: inline-block;
    width: 0.5em;
    height: 1em;
    margin-left: 0.1em;
    vertical-align: -0.15em;
    background: var(--amber-bright);
    animation: chat-blink 1s steps(2) infinite;
}

.chat__controls {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.95rem;
    border-top: 1px solid var(--rule);
    background: var(--paper);
}

.chat__note {
    margin: var(--space-s) 0 0;
    font-size: var(--step--1);
    color: var(--slate-400);
}

@keyframes chat-blink { to { opacity: 0; } }
@keyframes chat-pulse { 50% { opacity: 0.25; } }

/* Entry of a new message: the reveal, not a slide. */
.js-motion .chat__msg,
.js-motion .chat__tool {
    animation: chat-in var(--dur) var(--ease-out) both;
}

@keyframes chat-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    .chat__caret { animation: none; }
    .chat__tool .chip.is-running::before { animation: none; }
}

/* --- Numbered steps beside the replay ------------------------------------ */
.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--space-s);
}

.steps__item {
    display: grid;
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: var(--space-xs);
    padding-top: var(--space-s);
    border-top: 1px solid var(--rule);
}

.steps__n {
    color: var(--amber);
    font-size: 0.8rem;
    padding-top: 0.2rem;
}

.steps__item strong { display: block; color: var(--fg); }
.steps__item p { margin: 0.25rem 0 0; font-size: var(--step--1); }

/* --- Scheduled runs ------------------------------------------------------ */
.run__when {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-xs);
    font-size: 0.8rem;
    color: var(--slate-500);
}

.run__when .tl-icon { width: 1.25rem; height: 1.25rem; }

/* --- Connector wall ------------------------------------------------------ */
.wall {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1.2fr);
    gap: var(--space-l);
}

@media (max-width: 900px) {
    .wall { grid-template-columns: minmax(0, 1fr); }
}

.wall__heading { margin: 0 0 var(--space-s); }

.wall__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0;
    border-top: 1px solid var(--rule);
}

.wall__item {
    display: grid;
    grid-template-columns: 1.5rem minmax(0, 1fr);
    gap: var(--space-s);
    align-items: start;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--rule);
}

.wall__item .tl-icon { margin-top: 0.1rem; }

.wall__item strong {
    display: block;
    font-weight: 600;
    color: var(--fg);
    font-size: var(--step--1);
}

.wall__item small {
    display: block;
    font-size: 0.82rem;
    color: var(--slate-500);
    line-height: 1.5;
}