:root {
    --bg: #fbfdfa;
    --bg-elev: #ffffff;
    --bg-tint: #ecf6ee;
    --ink: #0f2a2e;
    --ink-2: #3a4f4f;
    --muted: #6b7e7c;
    --muted-2: #94a59f;
    --line: #e3ece3;
    --line-2: #d3e2d6;
    --green: #1f5e3d;
    --green-deep: #134228;
    --green-faint: #e8f3eb;
    --link: #1a4b8a;
    --link-visited: #6b3a8a;
    --shadow-1: 0 1px 2px rgba(15,42,46,.04), 0 8px 24px rgba(15,42,46,.06);
    --shadow-2: 0 2px 6px rgba(15,42,46,.06), 0 18px 50px rgba(15,42,46,.10);
    --radius: 24px;
    --font-ui: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-display: 'Fraunces', Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    min-height: 100vh;
    font-family: var(--font-ui);
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    display: flex; flex-direction: column;
}

.bg-wash {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background: radial-gradient(900px 460px at 92% -10%, var(--bg-tint), transparent 60%);
}

header.app-header {
    position: sticky; top: 0; z-index: 5;
    background: color-mix(in oklab, var(--bg) 92%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex; align-items: center; gap: 24px;
    padding: 14px 28px;
    max-width: 1200px;
}
.search {
    flex: 1 1 auto;
    max-width: 640px;
    display: flex; align-items: center; gap: 12px;
    background: var(--bg-elev);
    border: 1px solid var(--line-2);
    border-radius: 999px;
    padding: 10px 18px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .2s ease, border-color .2s ease;
}
.search:hover { box-shadow: var(--shadow-2); }
.search:focus-within { border-color: var(--green); box-shadow: var(--shadow-2); }
.search .icon { color: var(--muted); flex: 0 0 auto; }
.search input {
    flex: 1 1 auto;
    border: 0; outline: none; background: transparent;
    font: 15px/1.4 var(--font-ui);
    color: var(--ink);
    padding: 4px 0; min-width: 0;
}
.search input::placeholder { color: var(--muted); }

.back-link {
    font-size: 13px;
    color: var(--green);
    text-decoration: none;
    white-space: nowrap;
    flex: 0 0 auto;
}
.back-link:hover { text-decoration: underline; }

/* Agent container */
.agent-container {
    max-width: 1200px;
    padding: 24px 28px 48px;
    position: relative; z-index: 1;
    flex: 1;
}

/* Two-column layout (mirrors results page .layout) */
.layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
}

/* Landing */
.landing {
    text-align: center;
    padding: 60px 20px;
}
.landing-text {
    font-size: 15px;
    color: var(--muted);
    max-width: 500px;
    margin: 0 auto 24px;
    line-height: 1.6;
}
.landing-examples {
    display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
}
.example-btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--line-2);
    border-radius: 20px;
    background: var(--bg-elev);
    font: 13px/1.4 var(--font-ui);
    color: var(--ink-2);
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
}
.example-btn:hover { border-color: var(--green); color: var(--green); }

/* Progress area */
.progress-area {
    padding: 20px 0;
}
.progress-header {
    display: flex; align-items: center; gap: 12px;
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 12px;
}
.spinner {
    width: 18px; height: 18px;
    border: 2px solid var(--line-2);
    border-top-color: var(--green);
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.progress-log {
    display: flex; flex-direction: column; gap: 4px;
}
.log-entry {
    font-size: 12px;
    color: var(--muted);
    padding: 4px 0 4px 30px;
    position: relative;
}
.log-entry::before {
    content: '';
    position: absolute;
    left: 8px; top: 10px;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green-faint);
    border: 1px solid var(--line-2);
}

/* Error area */
.error-area {
    padding: 16px 20px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 12px;
    color: #991b1b;
    font-size: 14px;
}

/* Workflow sidebar */
.workflow-sidebar {
    position: sticky; top: 80px;
    align-self: start;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding-right: 8px;
}
.workflow-sidebar h2 {
    font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
    color: var(--muted); margin: 0 0 14px; font-weight: 600;
}

.wf-turn {
    position: relative;
    padding-left: 20px;
    padding-bottom: 16px;
}
/* Vertical connector line */
.wf-turn::before {
    content: '';
    position: absolute;
    left: 5px; top: 0; bottom: 0;
    width: 2px;
    background: var(--line-2);
}
.wf-turn-last::before {
    bottom: auto;
    height: 20px;
}
.wf-turn-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 8px;
    position: relative;
}
/* Dot on the timeline */
.wf-turn-label::before {
    content: '';
    position: absolute;
    left: -18px; top: 2px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--bg-elev);
    border: 2px solid var(--green);
}

.wf-turn-tokens {
    font-weight: 400;
    font-size: 10px;
    color: var(--muted-2);
    letter-spacing: 0;
    text-transform: none;
    margin-left: 8px;
    font-variant-numeric: tabular-nums;
}

.wf-usage-summary {
    margin-top: 8px;
    padding: 10px 12px;
    background: var(--green-faint);
    border: 1px solid var(--line);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.wf-usage-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--muted);
}
.wf-usage-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}
.wf-usage-breakdown {
    font-size: 11px;
    color: var(--muted-2);
    font-variant-numeric: tabular-nums;
}

.wf-step {
    display: flex; gap: 8px;
    align-items: flex-start;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 8px 10px;
    margin-bottom: 6px;
}
.wf-step-final {
    border-color: var(--green);
    background: var(--green-faint);
}

.wf-step-icon {
    flex: 0 0 auto;
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    background: var(--green-faint);
    border-radius: 6px;
    color: var(--green);
}
.wf-step-final .wf-step-icon {
    background: var(--green);
    color: #fff;
}

.wf-step-body { min-width: 0; flex: 1; }
.wf-step-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink);
    font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace;
}
.wf-step-detail {
    font-size: 12px;
    color: var(--ink-2);
    line-height: 1.4;
    margin-top: 2px;
    word-break: break-word;
}
.wf-step-meta {
    font-size: 11px;
    color: var(--muted-2);
    margin-top: 2px;
}
.wf-step-ids {
    display: flex; gap: 4px; flex-wrap: wrap;
    margin-top: 4px;
}
.wf-id-chip {
    font: 10px/1 ui-monospace, 'SFMono-Regular', Menlo, monospace;
    color: var(--muted);
    background: var(--green-faint);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Results */
main.results { min-width: 0; }
.results-header {
    font-size: 13px;
    color: var(--muted);
    padding: 8px 0 16px;
    font-weight: 500;
}
.no-results {
    font-size: 15px;
    color: var(--muted);
    text-align: center;
    padding: 40px 0;
}

.result {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    display: grid;
    grid-template-columns: 32px 80px 1fr;
    gap: 14px;
    align-items: start;
}
.result:last-child { border-bottom: 0; }

.rank {
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--green);
    font-weight: 400;
    text-align: center;
    padding-top: 4px;
}

.thumb {
    width: 80px; height: 80px;
    border-radius: 10px;
    background: var(--green-faint);
    border: 1px solid var(--line);
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    color: var(--green);
    flex: 0 0 auto;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.result-body { min-width: 0; }

.meta-row {
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; color: var(--muted);
    margin-bottom: 4px;
}
.meta-sep { color: var(--muted-2); }

.result h3 {
    margin: 0 0 4px;
    font-size: 17px; font-weight: 500; line-height: 1.3;
    letter-spacing: -0.01em;
}
.result h3 a {
    color: var(--link); text-decoration: none;
}
.result h3 a:hover { text-decoration: underline; }
.result h3 a:visited { color: var(--link-visited); }

.snippet {
    font-size: 13px; line-height: 1.55;
    color: var(--ink-2);
    margin: 0;
    text-wrap: pretty;
}

.result-tags {
    display: flex; gap: 6px; flex-wrap: wrap;
    margin-top: 6px;
}
.tag {
    font-size: 11px; color: var(--ink-2);
    background: var(--green-faint);
    padding: 2px 8px; border-radius: 999px;
}

/* Footer */
footer.app-footer {
    border-top: 1px solid var(--line);
    background: color-mix(in oklab, var(--bg) 86%, transparent);
    font-size: 13px; color: var(--muted);
    margin-top: auto;
}
.footer-row {
    max-width: 1200px;
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 28px;
    flex-wrap: wrap; gap: 8px;
}
.footer-row .links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-row a { color: inherit; text-decoration: none; }
.footer-row a:hover { color: var(--ink); }

@media (max-width: 880px) {
    .layout { grid-template-columns: 1fr; gap: 0; }
    .workflow-sidebar {
        position: static; max-height: none; overflow: visible;
        border-bottom: 1px solid var(--line);
        padding-bottom: 16px;
        margin-bottom: 16px;
        padding-right: 0;
    }
}

@media (max-width: 700px) {
    .header-inner { gap: 12px; padding: 12px 16px; }
    .agent-container { padding-left: 16px; padding-right: 16px; }
    .result { grid-template-columns: 28px 60px 1fr; gap: 10px; }
    .thumb { width: 60px; height: 60px; }
    .rank { font-size: 15px; }
    .landing { padding: 40px 12px; }
}