*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0c0f;
  --surface: #0f1318;
  --border: #1e2530;
  --border-bright: #2d3a4a;
  --green: #00ff88;
  --green-dim: #00cc6a;
  --green-faint: rgba(0,255,136,0.06);
  --green-glow: rgba(0,255,136,0.15);
  --cyan: #00d4ff;
  --amber: #ffaa00;
  --text: #c8d8e8;
  --text-dim: #6a7f94;
  --text-faint: #3a4f62;
  --mono: 'IBM Plex Mono', monospace;
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--mono); font-size: 14px; line-height: 1.6; overflow: hidden; }

body::before { content: ''; position: fixed; inset: 0; background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px); pointer-events: none; z-index: 9999; }

.shell { display: grid; grid-template-rows: auto 1fr auto; height: 100vh; max-width: 800px; margin: 0 auto; padding: 0 20px; }

.header { padding: 20px 0 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 12px; }

.logo-mark { width: 32px; height: 32px; border: 1.5px solid var(--green); border-radius: 4px; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 12px var(--green-glow), inset 0 0 8px var(--green-faint); }

.logo-mark::before { content: '\25C8'; color: var(--green); font-size: 14px; animation: pulse 3s ease-in-out infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }

.logo-title { font-size: 13px; font-weight: 600; color: var(--green); letter-spacing: .08em; text-transform: uppercase; }
.logo-sub { font-size: 10px; color: var(--text-dim); letter-spacing: .05em; }

.header-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.status-badge { font-size: 10px; color: var(--green-dim); border: 1px solid var(--border-bright); padding: 3px 10px; border-radius: 2px; letter-spacing: .1em; background: var(--green-faint); }
.doi-tag { font-size: 9px; color: var(--text-faint); }

.chat { overflow-y: auto; padding: 24px 0; display: flex; flex-direction: column; scrollbar-width: thin; scrollbar-color: var(--border-bright) transparent; }
.chat::-webkit-scrollbar { width: 4px; }
.chat::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 2px; }

.msg { padding: 10px 0; opacity: 0; transform: translateY(6px); animation: fadeUp .3s ease forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.msg-row { display: flex; gap: 12px; align-items: flex-start; }
.msg-prefix { font-size: 11px; color: var(--green); font-weight: 600; letter-spacing: .05em; min-width: 80px; padding-top: 2px; flex-shrink: 0; }
.msg-user .msg-prefix { color: var(--cyan); }
.msg-content { flex: 1; font-size: 13px; color: var(--text); line-height: 1.7; }
.msg-user .msg-content { color: var(--cyan); }
.msg-comment { font-size: 11px; color: var(--text-faint); padding: 2px 0 2px 92px; font-style: italic; }

.chip { display: inline-block; background: var(--green-faint); border: 1px solid rgba(0,255,136,0.2); border-radius: 2px; padding: 1px 6px; font-size: 11px; color: var(--green); margin: 0 2px; }

.step-bar { display: flex; align-items: center; gap: 6px; padding: 14px 0 6px; font-size: 10px; color: var(--text-faint); letter-spacing: .1em; text-transform: uppercase; }
.step-bar .line { flex: 1; height: 1px; background: var(--border); }
.step-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border-bright); flex-shrink: 0; }
.step-dot.done { background: var(--green-dim); }
.step-dot.active { background: var(--green); box-shadow: 0 0 6px var(--green); }
.step-label { padding: 0 10px; }

.json-block { background: var(--surface); border: 1px solid var(--border-bright); border-left: 3px solid var(--green); border-radius: 4px; padding: 16px; margin: 8px 0; font-size: 12px; line-height: 1.8; white-space: pre; overflow-x: auto; box-shadow: 0 0 20px var(--green-faint); }
.jk { color: var(--cyan); }
.js { color: var(--green); }
.jb { color: var(--text-dim); }

.actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; align-items: center; }
.btn { font-family: var(--mono); font-size: 11px; font-weight: 500; padding: 7px 16px; border-radius: 3px; cursor: pointer; letter-spacing: .06em; text-transform: uppercase; border: none; transition: all .15s; }
.btn-primary { background: var(--green); color: #0a0c0f; }
.btn-primary:hover { background: var(--green-dim); box-shadow: 0 0 10px var(--green-glow); }
.btn-secondary { background: transparent; color: var(--text-dim); border: 1px solid var(--border-bright); }
.btn-secondary:hover { border-color: var(--green); color: var(--green); }
.copy-ok { font-size: 10px; color: var(--green); opacity: 0; transition: opacity .3s; }
.copy-ok.show { opacity: 1; }

.manifest-box { background: var(--surface); border: 1px solid var(--border-bright); border-radius: 6px; padding: 20px; margin-top: 8px; box-shadow: 0 0 30px var(--green-faint); }
.manifest-box-header { font-size: 10px; color: var(--green); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.manifest-box-header::before { content: '\2713'; width: 16px; height: 16px; background: var(--green); color: #0a0c0f; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-size: 9px; font-weight: 700; }

.next-steps { margin-top: 14px; font-size: 12px; color: var(--text-dim); line-height: 2; }
.next-steps-label { font-size: 10px; color: var(--text-faint); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }

.autonomy-opts { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.autonomy-btn { font-family: var(--mono); font-size: 12px; text-align: left; background: var(--surface); border: 1px solid var(--border-bright); border-radius: 3px; padding: 8px 14px; color: var(--text-dim); cursor: pointer; transition: all .15s; }
.autonomy-btn:hover { border-color: var(--green); color: var(--green); }
.autonomy-btn:disabled { opacity: .4; cursor: default; }

.restart { text-align: center; padding: 12px 0 0; font-size: 11px; }
.restart a { color: var(--text-dim); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.restart a:hover { color: var(--green); }

.input-area { padding: 16px 0 20px; border-top: 1px solid var(--border); }
.input-label { font-size: 10px; color: var(--text-faint); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.input-row { display: flex; gap: 8px; align-items: flex-end; }
.input-field { flex: 1; background: var(--surface); border: 1px solid var(--border-bright); border-radius: 3px; padding: 10px 14px; font-family: var(--mono); font-size: 13px; color: var(--text); outline: none; resize: none; min-height: 42px; max-height: 100px; transition: border-color .2s; }
.input-field:focus { border-color: var(--green); box-shadow: 0 0 0 2px var(--green-faint); }
.input-field::placeholder { color: var(--text-faint); }
.input-field:disabled { opacity: .4; }
.send-btn { background: var(--green); border: none; border-radius: 3px; width: 42px; height: 42px; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all .15s; }
.send-btn:hover { background: var(--green-dim); box-shadow: 0 0 10px var(--green-glow); }
.send-btn:disabled { opacity: .3; cursor: not-allowed; }

.typing { display: flex; align-items: center; gap: 4px; padding: 10px 0; opacity: 0; transition: opacity .2s; }
.typing.show { opacity: 1; }
.typing-label { font-size: 11px; color: var(--text-faint); margin-right: 4px; }
.typing-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--green); animation: blink 1.2s infinite; }
.typing-dot:nth-child(3) { animation-delay: .2s; }
.typing-dot:nth-child(4) { animation-delay: .4s; }
@keyframes blink { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }