:root {
  --ink: #17211b;
  --paper: #f1f0e8;
  --card: #faf9f3;
  --line: #d7d6ca;
  --acid: #c8f135;
  --green: #164d34;
  --red: #a33a2b;
  --amber: #ca7e16;
  --muted: #68736c;
  --shadow: 0 18px 60px rgba(23, 33, 27, .09);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "IBM Plex Mono", "Courier New", monospace; }
.hidden { display: none !important; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; border: 1px solid var(--ink); background: transparent; color: var(--ink); padding: .7rem 1rem; border-radius: 2px; }
button:hover { background: var(--ink); color: var(--paper); }
button.primary { background: var(--ink); color: white; }
button.primary:hover { background: var(--green); }
button.danger { border-color: var(--red); color: var(--red); }
.eyebrow { font-size: .68rem; letter-spacing: .18em; font-weight: 700; color: var(--green); margin: 0 0 .5rem; }
.muted { color: var(--muted); line-height: 1.6; }
.wide { max-width: 70ch; }
.error { color: var(--red); min-height: 1.2em; }

.login-shell { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(circle at 20% 20%, #dbe5c6 0, transparent 35%), linear-gradient(140deg, #eef0e4, #d5d9cc); }
.login-card { width: min(460px, 90vw); padding: 3rem; background: var(--card); border: 1px solid var(--ink); box-shadow: 18px 18px 0 var(--ink); }
.login-card h1 { font-family: Georgia, serif; font-size: 2.4rem; margin: .5rem 0 1rem; }
.sigil, .brand-mark { display: grid; place-items: center; background: var(--acid); border: 1px solid var(--ink); font-family: Georgia, serif; font-weight: 700; }
.sigil { width: 52px; height: 52px; font-size: 2rem; margin-bottom: 2rem; }
.login-card label, .form-card label { display: grid; gap: .45rem; font-size: .78rem; margin: 1rem 0; }
.login-card input, .form-card input, .form-card select, .quick-task input, .quick-task textarea, .quick-task select, .steer-form textarea { width: 100%; border: 1px solid var(--line); background: white; padding: .8rem; color: var(--ink); }
.login-card button { width: 100%; margin-top: .5rem; }

.app { min-height: 100vh; display: grid; grid-template-columns: 220px 1fr; }
.rail { position: sticky; top: 0; height: 100vh; padding: 2rem 1.4rem; background: var(--ink); color: var(--paper); display: flex; flex-direction: column; }
.brand { display: flex; gap: .8rem; align-items: center; letter-spacing: .12em; font-size: .8rem; }
.brand-mark { width: 40px; height: 40px; color: var(--ink); font-size: 1.5rem; }
.rail nav { display: grid; gap: .3rem; margin-top: 4rem; }
.rail .nav { border: 0; color: #aeb8b0; text-align: left; padding: .9rem; background: transparent; }
.rail .nav.active, .rail .nav:hover { color: var(--acid); background: #213128; }
.rail-status { margin-top: auto; font-size: .7rem; color: #aeb8b0; display: flex; gap: .6rem; align-items: center; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--red); box-shadow: 0 0 12px currentColor; }
.dot.on { background: var(--acid); }

main { padding: 2.2rem 3vw 4rem; min-width: 0; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; border-bottom: 1px solid var(--line); padding-bottom: 1.4rem; }
header h1 { font-family: Georgia, serif; font-size: 2.2rem; margin: 0; }
.header-actions { display: flex; gap: .5rem; }
.view { display: none; }
.view.active { display: block; }

.brain-banner { min-height: 190px; background: var(--green); color: white; padding: 2.4rem; display: flex; align-items: center; justify-content: space-between; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.brain-banner::after { content: ""; position: absolute; width: 360px; height: 360px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; right: -80px; top: -160px; }
.brain-banner .eyebrow { color: var(--acid); }
.brain-banner h2 { font-family: Georgia, serif; font-size: 2.5rem; margin: .5rem 0; }
.brain-banner .muted { color: #c8d2cb; }
.brain-pulse { display: flex; align-items: center; gap: .5rem; z-index: 1; }
.brain-pulse i { display: block; width: 10px; height: 10px; background: var(--acid); animation: pulse 1.5s infinite; }
.brain-pulse i:nth-child(2) { animation-delay: .2s; height: 35px; }
.brain-pulse i:nth-child(3) { animation-delay: .4s; height: 18px; }
@keyframes pulse { 50% { opacity: .25; transform: scaleY(.5); } }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 1.5rem 0; }
.metric-grid article { background: var(--card); padding: 1.4rem; }
.metric-grid span { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }
.metric-grid strong { display: block; font-family: Georgia, serif; font-size: 2.2rem; margin-top: .4rem; }
.columns { display: grid; grid-template-columns: 1.35fr 1fr; gap: 1.5rem; margin: 1.5rem 0; }
.panel { background: var(--card); border: 1px solid var(--line); padding: 1.4rem; box-shadow: var(--shadow); }
.panel h2 { font-family: Georgia, serif; margin: .2rem 0 1rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); margin: -.2rem 0 1rem; padding-bottom: .8rem; }
.panel-head h2 { margin: 0; }
.live, .badge { font-size: .65rem; background: var(--acid); padding: .25rem .5rem; font-weight: 700; }
.activity-item, .notice, .learning-item { padding: .9rem 0; border-bottom: 1px solid var(--line); }
.activity-item:last-child, .notice:last-child { border: 0; }
.activity-top { display: flex; justify-content: space-between; gap: 1rem; }
.activity-item strong, .notice strong { font-size: .83rem; }
.meta { font-size: .68rem; color: var(--muted); margin-top: .35rem; }
.status { display: inline-block; font-size: .62rem; padding: .25rem .45rem; text-transform: uppercase; letter-spacing: .08em; border: 1px solid; }
.status.running, .status.active, .status.successful { background: var(--acid); }
.status.waiting_approval, .status.human_review, .status.validation { color: var(--amber); }
.status.failed, .status.blocked, .status.rejected, .status.stopped { color: var(--red); }
.notice.unread { border-left: 3px solid var(--acid); padding-left: .8rem; }
.notice button { padding: .25rem .45rem; font-size: .62rem; float: right; }
.quick-task { display: grid; grid-template-columns: .5fr 1.5fr; gap: 2rem; align-items: start; }
.quick-task textarea { min-height: 90px; resize: vertical; margin: .7rem 0; }
.form-row { display: grid; grid-template-columns: 1fr 90px auto; gap: .6rem; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: .75rem; }
th { text-align: left; color: var(--muted); font-size: .63rem; text-transform: uppercase; letter-spacing: .1em; }
td, th { padding: .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
td button { font-size: .65rem; padding: .35rem .55rem; }

.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.5rem; }
.form-card { box-shadow: none; }
.form-card .check { display: flex; align-items: center; gap: .6rem; }
.form-card .check input { width: auto; }
.provider-card { grid-column: 1 / -1; }
.provider-list { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }
.provider-chip { padding: .6rem; border: 1px solid var(--line); font-size: .7rem; }
.toast { position: fixed; right: 2rem; top: 2rem; background: var(--ink); color: white; padding: 1rem 1.4rem; z-index: 20; box-shadow: var(--shadow); }

.venture-hero { display: flex; justify-content: space-between; gap: 2rem; align-items: center; background: #e6ead9; border: 1px solid var(--line); padding: 2rem; margin-bottom: 1.5rem; }
.venture-hero h2 { font-family: Georgia, serif; font-size: 2rem; margin: .3rem 0; }
.currency-totals { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: flex-end; }
.currency-total { background: var(--ink); color: white; padding: .8rem 1rem; }
.currency-total strong { display: block; font-family: Georgia, serif; font-size: 1.4rem; }
.business-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.business-card { background: var(--card); border: 1px solid var(--line); padding: 1.3rem; box-shadow: var(--shadow); }
.business-card h3 { font-family: Georgia, serif; font-size: 1.4rem; margin: .5rem 0; }
.business-card dl { font-size: .72rem; }
.business-card dt { color: var(--muted); margin-top: .8rem; }
.business-card dd { margin: .2rem 0; line-height: 1.5; }
.output-item { padding: 1.3rem 0; border-bottom: 1px solid var(--line); }
.output-item h3 { font-family: Georgia, serif; margin: .3rem 0; }
.output-summary { line-height: 1.65; white-space: pre-wrap; }
.output-item ul { line-height: 1.6; font-size: .78rem; }
.learning-item .score { float: right; font-family: Georgia, serif; font-size: 1.3rem; }

dialog { width: min(760px, 92vw); max-height: 90vh; border: 1px solid var(--ink); background: var(--card); padding: 2rem; box-shadow: 20px 20px 0 rgba(23,33,27,.3); }
dialog::backdrop { background: rgba(23,33,27,.65); }
.dialog-close { position: absolute; right: 1rem; top: 1rem; border: 0; font-size: 1.5rem; }
.message { padding: .8rem; margin: .5rem 0; border-left: 3px solid var(--line); background: white; }
.message.human { border-color: var(--acid); }
.message.agent { border-color: var(--green); }
.task-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }
.steer-form textarea { min-height: 80px; }

@media (max-width: 1100px) {
  .business-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; padding: 1rem; display: grid; grid-template-columns: auto 1fr auto; align-items: center; }
  .rail nav { display: flex; margin: 0; overflow: auto; }
  .rail-status { margin: 0; }
  .columns, .settings-grid, .quick-task { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2,1fr); }
  main { padding: 1.2rem; }
  header { align-items: flex-start; gap: 1rem; }
  .header-actions { flex-wrap: wrap; justify-content: flex-end; }
}
@media (max-width: 560px) {
  .brand span:last-child, .rail-status { display: none; }
  .rail { grid-template-columns: auto 1fr; }
  .header-actions { display: grid; grid-template-columns: repeat(2,1fr); }
  header { display: block; }
  .header-actions { margin-top: 1rem; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .form-row, .business-grid { grid-template-columns: 1fr; }
  .venture-hero { display: block; }
  .currency-totals { justify-content: flex-start; }
  .login-card { box-shadow: 8px 8px 0 var(--ink); padding: 2rem; }
}