:root {
  --ink-950: #1a132f;
  --ink-900: #241944;
  --ink-800: #2f2261;
  --accent-500: #ff6b3d;
  --accent-400: #ff8f45;
  --aqua-500: #1fb9b1;
  --gold-400: #f7c24f;
  --paper: #f6f3ed;
  --white: #ffffff;
  --muted: #746f89;
  --line: #dfd8cb;
  --ok: #2a9860;
  --warn: #be8115;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--ink-950);
  background:
    radial-gradient(circle at 20% -5%, #ffd3b8 0 22%, transparent 23%),
    radial-gradient(circle at 80% 105%, #c8f2ef 0 18%, transparent 19%),
    linear-gradient(180deg, #f9f6ef 0%, #f2ece3 100%);
  min-height: 100vh;
}
a { color: inherit; }
.shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(10px);
  background: rgba(26, 19, 47, 0.9);
}
.topbar-row {
  max-width: 1200px;
  margin: 0 auto;
  padding: .85rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  font-family: 'Fraunces', serif;
  color: var(--white);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
}
.brand em { color: var(--accent-400); font-style: normal; }
.brand small {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  color: rgba(255,255,255,0.6);
  font-size: .63rem;
  margin-top: .18rem;
}
.nav { display: flex; gap: .35rem; flex-wrap: wrap; }
.nav a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: .82rem;
  padding: .4rem .66rem;
  border-radius: 999px;
}
.nav a:hover,
.nav a.active {
  color: var(--white);
  background: rgba(255,255,255,0.12);
}
.badge {
  margin-left: auto;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--ink-900);
  background: var(--gold-400);
  border-radius: 999px;
  padding: .2rem .55rem;
}
.auth-controls {
  display: flex;
  align-items: center;
  gap: .45rem;
}
.auth-user {
  color: rgba(255,255,255,0.86);
  font-size: .76rem;
  font-family: 'IBM Plex Mono', monospace;
}
.btn-auth {
  padding: .34rem .62rem;
  font-size: .76rem;
}
.hero {
  padding: 2rem 0 1.2rem;
}
.hero h1 {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.05;
}
.hero p {
  margin: .8rem 0 0;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.6;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .8rem;
}
.stat {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: .9rem 1rem;
  background: rgba(255,255,255,.72);
}
.stat .k {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--muted);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.stat .v {
  margin-top: .25rem;
  font-size: 1.8rem;
  font-weight: 700;
}
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1rem;
  align-items: start;
  margin-top: 1rem;
}
.panel {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.78);
  border-radius: 18px;
  padding: .9rem;
}
.panel h3 {
  margin: 0 0 .7rem;
  font-size: .84rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.btn, button.btn {
  border: 0;
  border-radius: 12px;
  padding: .58rem .82rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
}
.btn-primary { background: var(--ink-900); color: var(--white); }
.btn-primary:hover { background: var(--ink-800); }
.btn-accent { background: var(--accent-500); color: var(--white); }
.btn-ghost { background: #ece8e0; color: var(--ink-900); }
.btn.is-active {
  outline: 2px solid var(--accent-500);
  outline-offset: 1px;
  box-shadow: 0 0 0 3px rgba(255, 107, 61, 0.18);
}
.btn-ghost.is-active {
  background: var(--ink-900);
  color: var(--white);
}
.btn-primary.is-active {
  background: var(--accent-500);
}
.search {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  padding: .62rem .75rem;
  font: inherit;
}
.list { display: grid; gap: .75rem; }
.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  overflow: hidden;
}
.card-top {
  background: linear-gradient(110deg, #fdf8ef 0%, #fff 65%);
  border-bottom: 1px solid #efe8db;
  padding: .7rem .85rem;
  display: flex;
  justify-content: space-between;
  gap: .75rem;
  align-items: center;
}
.pill {
  border-radius: 999px;
  padding: .18rem .6rem;
  font-size: .72rem;
  font-weight: 700;
}
.pill.open { background: #e5f7ef; color: var(--ok); }
.pill.working { background: #fff3d8; color: var(--warn); }
.pill.done { background: #eee9ff; color: #5a3ba7; }
.card-body { padding: .9rem; }
.card h4 {
  margin: 0;
  font-size: 1rem;
}
.card p {
  margin: .45rem 0 .6rem;
  color: var(--muted);
  line-height: 1.5;
}
.card .meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  color: var(--muted);
  font-size: .78rem;
}
.actions {
  margin-top: .7rem;
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
}
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .7rem;
}
.section {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.84);
  padding: 1rem;
  margin-top: .95rem;
}
.section h2 {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-size: 1.35rem;
}
.section p,
.section li {
  color: var(--muted);
  line-height: 1.55;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .62rem .72rem;
  font: inherit;
  background: #fff;
}
.chat-box {
  border: 1px solid #e7dece;
  border-radius: 14px;
  background: #fff;
  padding: .8rem;
  height: 390px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.msg {
  max-width: 80%;
  border-radius: 12px;
  padding: .55rem .68rem;
  line-height: 1.42;
  font-size: .9rem;
}
.msg.user { align-self: flex-end; background: #ece8ff; }
.msg.bot { align-self: flex-start; background: #e7f8f6; }
.footer-note {
  margin: 1.2rem 0 1.5rem;
  color: var(--muted);
  font-size: .8rem;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .kpi-strip { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .form-grid { grid-template-columns: 1fr; }
  .badge { display: none; }
  .auth-user { display: none; }
}

.login-page {
  display: grid;
  place-items: center;
}
.login-shell {
  width: 100%;
  max-width: 560px;
  padding: 1.2rem;
}
.login-card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.88);
  border-radius: 18px;
  padding: 1rem;
}
.login-card h1 {
  margin: .7rem 0 .4rem;
  font-family: 'Fraunces', serif;
}
.login-card p {
  margin: 0 0 .8rem;
  color: var(--muted);
}
.login-form {
  display: grid;
  gap: .65rem;
}
.login-error {
  margin: 0;
  color: #b51f2e;
  font-weight: 600;
}
.login-note {
  margin-top: .9rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: .7rem;
  font-size: .83rem;
  color: var(--muted);
}