:root {
  --bg-0: #0f1c1a;
  --bg-1: #17302b;
  --ink: #e8f2ee;
  --muted: #9bb5ab;
  --accent: #2fbf8b;
  --accent-2: #d7a23a;
  --danger: #ef6b6b;
  --panel: rgba(18, 36, 32, 0.86);
  --line: rgba(232, 242, 238, 0.12);
  --font-display: "Sora", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(47, 191, 139, 0.22), transparent 35%),
    radial-gradient(circle at 85% 0%, rgba(215, 162, 58, 0.18), transparent 30%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 55%, #10241f);
}

.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 85%);
  opacity: 0.35;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.brand { display: flex; flex-direction: column; gap: 0.15rem; }
.brand-mark { font-family: var(--font-display); font-size: 1.35rem; letter-spacing: 0.04em; }
.brand-sub { color: var(--muted); font-size: 0.85rem; }

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  background: rgba(0,0,0,0.25);
}
.pill.ok { color: var(--accent); border-color: rgba(47,191,139,0.4); }
.pill.bad { color: var(--danger); border-color: rgba(239,107,107,0.4); }
.pill.warn { color: var(--accent-2); border-color: rgba(215,162,58,0.45); }

.shell { width: min(1400px, calc(100% - 2rem)); margin: 1.5rem auto 2rem; }
.panel, .sidebar, .workspace, .user-card, .panel-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.auth-panel { max-width: 460px; margin: 4rem auto; padding: 2rem; }
.auth-panel h1, .section-head h2, .sidebar h2, .panel-block h3 {
  font-family: var(--font-display);
  margin: 0 0 0.5rem;
}
.lede, .hint, .muted { color: var(--muted); }
.hint { font-size: 0.85rem; margin: 0 0 0.75rem; }

.tabs { display: flex; gap: 0.5rem; margin: 1.25rem 0; }
.tab, button, .ghost, .nav-btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.7rem 1rem;
  background: var(--accent);
  color: #062018;
  font-weight: 600;
}
.tab, .ghost, .nav-btn {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}
.tab.active, .nav-btn.active { color: var(--ink); border-color: var(--accent); }
button:hover { filter: brightness(1.05); }

.stack { display: grid; gap: 0.85rem; }
.stack.compact { gap: 0.55rem; }
.nav-stack { display: grid; gap: 0.4rem; margin-bottom: 1rem; }
label { display: grid; gap: 0.35rem; color: var(--muted); font-size: 0.92rem; }
input, textarea, select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: rgba(0,0,0,0.28);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
}
.hidden { display: none !important; }
.error { color: var(--danger); min-height: 1.2rem; }

#app-panel {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
  min-height: 75vh;
}
.sidebar { padding: 1rem; align-self: start; }
.user-card { padding: 1rem; margin-bottom: 1rem; display: grid; gap: 0.2rem; }
.user-card span { color: var(--muted); font-size: 0.9rem; }
.project-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.project-list li button {
  width: 100%;
  text-align: left;
  background: rgba(0,0,0,0.22);
  color: var(--ink);
  border-color: var(--line);
}
.project-list li button.active {
  border-color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.workspace { padding: 1rem; }
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}
.meta-row, .action-row { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.chip {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(47,191,139,0.35);
  color: var(--accent);
  font-size: 0.8rem;
}
.explainer {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  margin-bottom: 1rem;
  background: rgba(47,191,139,0.06);
  display: grid;
  gap: 0.25rem;
}
.explainer span { color: var(--muted); font-size: 0.9rem; }
.state-summary {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
  padding: 0.6rem 0.8rem;
  border-left: 3px solid var(--accent);
  background: rgba(0,0,0,0.15);
  border-radius: 8px;
}
.live-link { color: var(--accent); text-decoration: none; }

.hq-grid, .project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.panel-block { padding: 1rem; }
.panel-block.wide { grid-column: 1 / -1; }
.panel-title-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}
.inline-form { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

.member-grid { display: grid; gap: 0.65rem; }
.member-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.75rem;
  background: rgba(0,0,0,0.18);
  cursor: pointer;
  display: grid;
  gap: 0.35rem;
}
.member-card.active { border-color: var(--accent); }
.member-card .row { display: flex; justify-content: space-between; gap: 0.5rem; align-items: center; }
.status-dot {
  width: 0.55rem; height: 0.55rem; border-radius: 50%;
  display: inline-block; margin-right: 0.35rem;
}
.status-idle { background: #6b7f78; }
.status-busy { background: var(--accent-2); }
.status-thinking { background: var(--accent); box-shadow: 0 0 8px rgba(47,191,139,0.6); }
.status-blocked { background: var(--danger); }
.util-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.util-bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.util-controls { display: flex; gap: 0.4rem; align-items: center; }
.util-controls input[type="range"] { flex: 1; padding: 0; }

.task-list, .activity-list { display: grid; gap: 0.55rem; margin-top: 0.75rem; }
.activity-list { list-style: none; padding: 0; margin: 0; max-height: 420px; overflow: auto; }
.activity-list li, .task-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  background: rgba(0,0,0,0.16);
}
.activity-list li { color: var(--muted); font-size: 0.9rem; }
.task-card strong { display: block; margin-bottom: 0.25rem; }
.task-card .meta { color: var(--muted); font-size: 0.8rem; }

.document-status { color: var(--muted); font-size: 0.82rem; margin: 0.45rem 0; }
.document-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.document-list li { display: flex; align-items: center; gap: 0.5rem; }
.document-list .document-name {
  flex: 1;
  padding: 0.45rem 0.65rem;
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
  text-align: left;
}
.document-list .delete-document {
  padding: 0.45rem 0.65rem;
  background: transparent;
  color: var(--danger);
  border-color: var(--line);
}
.document-preview {
  max-height: 280px;
  overflow: auto;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  white-space: pre-wrap;
  color: var(--muted);
  background: rgba(0,0,0,0.25);
  margin-top: 0.75rem;
}

.messages {
  overflow: auto;
  display: grid;
  gap: 0.75rem;
  max-height: 320px;
  margin-bottom: 0.75rem;
}
.bubble {
  max-width: 92%;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  white-space: pre-wrap;
  line-height: 1.45;
}
.bubble.user { justify-self: end; background: rgba(47,191,139,0.12); }
.bubble.agent { justify-self: start; background: rgba(215,162,58,0.1); }
.bubble .meta { display: block; font-size: 0.78rem; color: var(--muted); margin-bottom: 0.35rem; }
.composer { display: grid; grid-template-columns: 1fr auto; gap: 0.75rem; align-items: end; }

@media (max-width: 1000px) {
  #app-panel { grid-template-columns: 1fr; }
  .hq-grid, .project-grid { grid-template-columns: 1fr; }
  .section-head, .panel-title-row, .composer { flex-direction: column; grid-template-columns: 1fr; }
}