/* /developer - unified, agent-focused developer docs layout.
 * Sticky left-nav + content column, built on the shared DS 3.0 tokens + the
 * showcase --a-* layer (agentic.css). Layout only; all color via tokens. */

.dev-layout { display: grid; grid-template-columns: 15rem 1fr; gap: 2.5rem; align-items: start; max-width: 78rem; margin: 0 auto; padding: 2rem clamp(1.5rem, 5vw, 4rem) 5rem; }
@media (max-width: 900px) { .dev-layout { grid-template-columns: 1fr; gap: 1.5rem; } }

/* Left nav: sticky, scrolls with the doc */
.dev-nav { position: sticky; top: 5rem; align-self: start; font-size: 0.9rem; }
@media (max-width: 900px) { .dev-nav { position: static; border-bottom: 1px solid var(--a-border); padding-bottom: 1rem; } }
.dev-nav__group { margin: 0 0 1.25rem; }
.dev-nav__label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--a-faint); margin: 0 0 0.5rem; }
.dev-nav a { display: block; color: var(--a-muted); text-decoration: none; padding: 0.34rem 0.7rem; margin-left: -0.7rem; border-radius: 8px; line-height: 1.35; transition: color .15s ease, background .15s ease; }
.dev-nav a:hover { color: var(--a-fg); background: var(--a-bg-alt); }
/* Active item: clean filled mint pill + green bold label (no partial-border bracket). */
.dev-nav a.is-active { color: var(--a-accent); font-weight: 600; background: color-mix(in srgb, var(--a-accent) 12%, transparent); }

/* Content column */
.dev-main { min-width: 0; }
.dev-main > section { scroll-margin-top: 5rem; padding: 1.5rem 0 2rem; border-top: 1px solid var(--a-border); }
.dev-main > section:first-of-type { border-top: 0; padding-top: 0; }
.dev-h2 { font-family: var(--serif, Georgia, serif); font-weight: 600; font-size: clamp(1.5rem, 2.6vw, 2rem); line-height: 1.15; margin: 0 0 0.4rem; letter-spacing: -0.01em; }
.dev-lede { color: var(--a-muted); font-size: 1.05rem; line-height: 1.6; max-width: 44rem; margin: 0 0 1.5rem; }
.dev-main h3 { font-family: var(--serif, Georgia, serif); font-weight: 600; font-size: 1.15rem; margin: 1.75rem 0 0.5rem; }
.dev-main p { color: var(--a-muted); line-height: 1.65; max-width: 44rem; }
.dev-main p strong, .dev-main li strong { color: var(--a-fg); }
.dev-main ul { color: var(--a-muted); line-height: 1.6; max-width: 44rem; padding-left: 1.2rem; }
.dev-main li { margin: 0.3rem 0; }
/* Inline code: lighter (no border/background), like code.claude.com. */
.dev-main code { font-family: var(--mono, ui-monospace, monospace); font-size: 0.88em; color: var(--a-fg); }

/* Ordered lists carry the step flows now (was a row of bordered cards). Give the
 * numbered items a little room so they read as steps, not a dense list. */
.dev-main ol { color: var(--a-muted); line-height: 1.6; max-width: 44rem; padding-left: 1.3rem; }
.dev-main ol li { margin: 0.5rem 0; }

/* Code blocks (copy-paste config / examples) */
.dev-code { position: relative; background: #0d1413; color: #e3efe9; border: 1px solid #1e2e2b; border-radius: 10px; padding: 0.9rem 1rem; overflow-x: auto; font-family: var(--mono, ui-monospace, monospace); font-size: 0.82rem; line-height: 1.6; margin: 0.75rem 0; white-space: pre; }
.dev-code .c { color: #7db8a3; }         /* comment */
.dev-code .k { color: #7dd3fc; }         /* key */
.dev-code .s { color: #a7edc0; }         /* string */
.dev-code-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--a-faint); margin: 1rem 0 0.15rem; }

/* Tool reference table */
.dev-tools { width: 100%; border-collapse: collapse; margin: 0.75rem 0; font-size: 0.9rem; max-width: 46rem; }
.dev-tools th, .dev-tools td { text-align: left; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--a-border); vertical-align: top; }
.dev-tools th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--a-faint); }
.dev-tools td code { font-size: 0.85em; }
.dev-tools .muted { color: var(--a-faint); }

/* "Why it matters" / trust callouts */
.dev-callout { border-left: 4px solid var(--t-mid-green); background: color-mix(in srgb, var(--t-mid-green) 10%, transparent); padding: 0.9rem 1.1rem; border-radius: 0 8px 8px 0; margin: 1rem 0; max-width: 46rem; }
.dev-callout--note { border-left-color: var(--t-blue); background: color-mix(in srgb, var(--t-blue) 10%, transparent); }
.dev-callout p { margin: 0.25rem 0; font-size: 0.92rem; }
.dev-callout strong { color: var(--a-fg); }

/* Task-router table ("I want to... -> do this") */
.dev-router { width: 100%; border-collapse: collapse; margin: 1rem 0 0; font-size: 0.95rem; max-width: 46rem; }
.dev-router th { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 2px solid var(--a-border-2, var(--a-border)); color: var(--a-muted); font-weight: 700; font-size: 0.78rem; letter-spacing: .04em; text-transform: uppercase; }
.dev-router td { padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--a-border); vertical-align: top; }
.dev-router tr td:first-child { color: var(--a-fg); font-weight: 600; width: 45%; }
.dev-router a { color: var(--a-accent); text-decoration: none; font-weight: 600; }
.dev-router a:hover { text-decoration: underline; }
/* rails mapping table - 3 columns, wider, no forced 45% first-col */
.dev-router--rails { max-width: none; }
.dev-router--rails tr td:first-child { width: 22%; }

/* Tabs (client setup) */
.dev-tabs { margin: 1rem 0; max-width: 46rem; }
.dev-tabs__bar { display: flex; flex-wrap: wrap; gap: 0.25rem; border-bottom: 1px solid var(--a-border); margin-bottom: 0.75rem; }
.dev-tab { border: 0; background: transparent; color: var(--a-muted); font: inherit; font-size: 0.9rem; font-weight: 600; padding: 0.5rem 0.85rem; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.dev-tab:hover { color: var(--a-fg); }
.dev-tab[aria-selected="true"] { color: var(--a-accent); border-bottom-color: var(--a-accent); }
.dev-tabpanel[hidden] { display: none; }
.dev-tabpanel > .dev-code-label:first-child { margin-top: 0; }

/* Per-section next-steps: a plain text link, not a boxed card. */
.dev-next { margin: 1.5rem 0 0; max-width: 44rem; font-size: 0.95rem; }
.dev-next b { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--a-faint); margin-right: 0.5rem; }
.dev-next a { color: var(--a-accent); text-decoration: none; font-weight: 600; }
.dev-next a:hover { text-decoration: underline; }

/* arg-hint pill for plugin workflow commands */
.dev-arghint { font-family: ui-monospace, Menlo, monospace; font-size: 0.82em; color: var(--md-on-surface-variant, #8FA69E); }

/* ==========================================================================
   "Try it live" runflow demo (#verify-agents) - ported from the gallery
   agentai-concepts runflow widget. In-browser simulation, no network. Mapped
   onto the developer page's --a-* tokens so it reads in light and dark.
   ========================================================================== */
.rf-eyebrow { display: inline-flex; align-items: center; gap: .4rem; color: var(--a-accent); }
.rf-eyebrow::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: var(--a-accent); }
.rf { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; margin: 0 0 1.5rem; }
@media (max-width: 760px) { .rf { grid-template-columns: 1fr; } }
.rf__col { border: 1px solid var(--a-border); border-radius: 14px; padding: 1.35rem 1.4rem; background: var(--a-card, var(--md-surface)); }
.rf__title { font-family: var(--serif, Georgia, serif); font-weight: 600; font-size: 1rem; margin: 0 0 .25rem; }
.rf__hint { color: var(--a-muted); font-size: .82rem; margin: 0 0 1rem; line-height: 1.5; }
.rf__btn { display: inline-flex; align-items: center; gap: .45rem; padding: .6rem 1.1rem; border-radius: 10px; font: inherit; font-weight: 700; cursor: pointer; border: 1.5px solid transparent; background: var(--a-btn); color: var(--a-btn-on); transition: background .15s ease; }
.rf__btn:hover { background: var(--a-btn-hover); }
.rf__btn[disabled] { opacity: .55; cursor: default; }
/* Structured step list (replaces the flat dark terminal): numbered rows, each
   pairing a phase title + endpoint + result, on the same card surface. */
.rf__trace { list-style: none; margin: 1rem 0 0; padding: 0; min-height: 220px; display: grid; gap: .55rem; }
.rf__trace-empty { color: var(--a-faint); font-size: .85rem; margin: 0; padding: .5rem 0; }
.rf__step { display: grid; grid-template-columns: 1.55rem 1fr; gap: .7rem; align-items: start; padding: .7rem .8rem; border: 1px solid var(--a-border); border-radius: 10px; background: var(--a-bg, var(--md-surface)); animation: rf-fade .3s ease both; }
@keyframes rf-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.rf__step-num { width: 1.55rem; height: 1.55rem; border-radius: 50%; display: grid; place-items: center; font: 700 .72rem/1 var(--mono, ui-monospace, monospace); background: color-mix(in srgb, var(--a-accent) 16%, transparent); color: var(--a-accent); border: 1px solid color-mix(in srgb, var(--a-accent) 40%, transparent); }
.rf__step--err .rf__step-num { background: color-mix(in srgb, #d6564b 16%, transparent); color: #e08b83; border-color: color-mix(in srgb, #d6564b 45%, transparent); }
.rf__step-head { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }
.rf__step-title { font-weight: 700; font-size: .9rem; color: var(--a-fg); }
.rf__step-ep { font: .74rem/1.3 var(--mono, ui-monospace, monospace); color: var(--a-muted); background: var(--a-bg-alt, var(--md-surface-container)); border-radius: 5px; padding: .1rem .4rem; }
.rf__step-result { font-size: .82rem; color: var(--a-muted); margin-top: .2rem; word-break: break-word; }
.rf__step--err .rf__step-result { color: #e08b83; }
.rf__verify { border: 1px dashed var(--a-border-2); border-radius: 10px; padding: 1.1rem; min-height: 220px; }
.rf__verify.is-locked { display: grid; place-items: center; text-align: center; }
.rf__verify-empty { color: var(--a-faint); margin: 0; font-size: .85rem; }
.rf__verify-note { color: var(--a-accent); font-weight: 600; font-size: .82rem; margin: 0 0 .75rem; }
.rf__input { width: 100%; box-sizing: border-box; font: 12px/1.4 var(--mono, ui-monospace, monospace); padding: .6rem .75rem; border: 1px solid var(--a-border); border-radius: 9px; margin-bottom: .65rem; background: var(--a-bg); color: var(--a-fg); }
.rf__checking { color: var(--a-muted); font-size: .82rem; }
.rf__record { margin-top: .9rem; border: 1px solid var(--a-border); border-radius: 10px; padding: 1rem; background: var(--a-bg); box-shadow: 0 2px 10px rgba(0,0,0,.05); }
.rf__record-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .25rem; }
.rf__record-head strong { font-size: 1rem; }
.rf__badge { font: 700 10px/1 var(--mono, ui-monospace, monospace); letter-spacing: .08em; text-transform: uppercase; color: var(--a-accent); border: 1px solid var(--a-accent); border-radius: 999px; padding: .25rem .55rem; }
.rf__sig { color: var(--a-accent); font-size: .8rem; font-weight: 600; margin: 0 0 .75rem; }
.rf__grid { display: grid; gap: .5rem; }
.rf__kv { display: flex; justify-content: space-between; gap: .75rem; font-size: .8rem; border-bottom: 1px solid var(--a-border); padding-bottom: .4rem; }
.rf__k { color: var(--a-faint); font-family: var(--mono, ui-monospace, monospace); font-size: .72rem; }
.rf__v { font-weight: 600; text-align: right; word-break: break-all; }

/* Header nav - match the showcase pages: text links separated by hairline
 * dividers (no pill hover). */
.hdr__links { gap: 0; }
.hdr__links a { border-radius: 0; padding: 0.4rem 1.1rem; }
.hdr__links a:first-child { padding-left: 0; }
.hdr__links a:hover { background: transparent; color: var(--a-fg); }
.hdr__links a + a { border-left: 1px solid var(--a-border); }
.hdr__links a[aria-current] { color: var(--a-fg); font-weight: 600; }

/* Shared footer - showcase.css owns the band, wordmark sizing and link type
 * (this page layers it in), so only the docs-specific offset lives here. */
.foot { margin-top: 4rem; }
.foot__links a { text-decoration: none; }