/* VULCAN — industrial dashboard aesthetic: dark, high-contrast, ember accents. */
:root {
  --bg: #0c0e12;
  --panel: #14171d;
  --panel-2: #1b1f27;
  --line: #2a2f3a;
  --ink: #e8ebef;
  --ink-dim: #9aa3b0;
  --ember: #ff6a00;      /* Fireball / ember orange */
  --ember-2: #ffb020;    /* amber */
  --go: #00add8;
  --ok: #3ad07a;
  --danger: #ff3b30;
  --danger-bg: #2a1112;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(255,106,0,0.10), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
}

.shell {
  max-width: 900px;
  margin: 0 auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20,23,29,0.6), transparent 120px);
}

/* Top bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 12px; }
.mark {
  color: var(--ember); font-size: 22px;
  text-shadow: 0 0 14px rgba(255,106,0,0.7);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.name { font-weight: 800; letter-spacing: 2px; font-size: 18px; }
.sub { color: var(--ink-dim); font-size: 12px; }

.status { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-dim); font-family: var(--mono); }
.led { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-dim); box-shadow: 0 0 8px currentColor; }
.led.ok { background: var(--ok); color: var(--ok); }
.led.warn { background: var(--ember-2); color: var(--ember-2); }
.led.err { background: var(--danger); color: var(--danger); }

/* Controls strip */
.controls {
  display: flex; gap: 14px; flex-wrap: wrap;
  padding: 12px 18px; border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.ctl { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-dim); }
.ctl span { text-transform: uppercase; letter-spacing: .6px; font-size: 10.5px; }
.ctl select, .ctl input[type=text] {
  background: var(--bg); color: var(--ink); border: 1px solid var(--line);
  border-radius: 6px; padding: 7px 9px; font-family: var(--mono); font-size: 13px; min-width: 220px;
}
.ctl select:focus, .ctl input:focus { outline: none; border-color: var(--ember); }
.ctl-check { flex-direction: row; align-items: center; gap: 8px; align-self: flex-end; padding-bottom: 8px; }
.ctl-check span { text-transform: none; letter-spacing: 0; font-size: 13px; }

/* Log */
.log { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.msg { display: flex; }
.msg.user { justify-content: flex-end; }
.bubble {
  max-width: 88%; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel);
  white-space: pre-wrap; word-wrap: break-word; line-height: 1.5;
}
.msg.user .bubble { background: #182029; border-color: #24303a; }
.msg.system .bubble { background: transparent; border-style: dashed; color: var(--ink-dim); }
.bubble p { margin: 0 0 8px; }
.bubble p:last-child { margin-bottom: 0; }
.bubble .hi { color: var(--ember-2); }
.bubble pre {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; overflow-x: auto; font-family: var(--mono); font-size: 13px; margin: 8px 0;
}
.bubble code { font-family: var(--mono); font-size: 13px; }

/* Route/risk badges */
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.badge {
  font-family: var(--mono); font-size: 11px; letter-spacing: .3px;
  padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--ink-dim);
}
.badge.class { color: var(--go); border-color: #1d3b45; }
.badge.model { color: var(--ink); }
.badge.risk-low { color: var(--ok); border-color: #1c3a2a; }
.badge.risk-high { color: #fff; background: var(--danger); border-color: var(--danger); font-weight: 700; }

/* High-risk warning banner */
.warnbox {
  border: 1px solid var(--danger); background: var(--danger-bg);
  border-left: 4px solid var(--danger);
  padding: 10px 12px; border-radius: 8px; margin-bottom: 10px; color: #ffd7d5;
  font-size: 13.5px;
}
.warnbox strong { color: var(--danger); }

.review {
  margin-top: 12px; border-top: 1px dashed var(--line); padding-top: 10px;
  font-size: 13.5px; color: var(--ink-dim);
}
.review h4 { margin: 0 0 6px; color: var(--ember-2); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }

/* Composer */
.composer { display: flex; gap: 10px; padding: 14px 18px; border-top: 1px solid var(--line); background: var(--panel); }
#input {
  flex: 1; resize: vertical; min-height: 46px; max-height: 200px;
  background: var(--bg); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 11px 12px; font-family: var(--sans); font-size: 14px; line-height: 1.45;
}
#input:focus { outline: none; border-color: var(--ember); }
#send {
  align-self: stretch; padding: 0 22px; border: none; border-radius: 8px;
  background: linear-gradient(180deg, var(--ember), #d84e00); color: #fff;
  font-weight: 700; letter-spacing: .5px; cursor: pointer; font-size: 14px;
}
#send:hover { filter: brightness(1.08); }
#send:disabled { opacity: .5; cursor: not-allowed; }

.foot {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 18px 14px; color: var(--ink-dim); font-size: 11px; font-family: var(--mono);
  border-top: 1px solid transparent;
}
.warn-note { color: var(--ember-2); }
.cursor::after { content: "▋"; color: var(--ember); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }


/* ===================================================================== */
/* Phase 2: auth gate, sidebar, conversations, memory                    */
/* ===================================================================== */

.hidden { display: none !important; }

/* ---- Auth gate ---- */
.gate {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(255,106,0,0.10), transparent 60%),
    var(--bg);
  padding: 20px;
}
.gate-card {
  width: 100%; max-width: 380px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 28px 26px; box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.gate-brand { margin-bottom: 14px; }
.gate-blurb { color: var(--ink-dim); font-size: 13.5px; line-height: 1.5; margin: 0 0 20px; }
.gate-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; font-size: 12px; color: var(--ink-dim); }
.gate-field span { text-transform: uppercase; letter-spacing: .6px; font-size: 10.5px; }
.gate-field input {
  background: var(--bg); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; font-family: var(--mono); font-size: 14px;
}
.gate-field input:focus { outline: none; border-color: var(--ember); }
#auth-submit {
  width: 100%; padding: 12px; border: none; border-radius: 8px; margin-top: 4px;
  background: linear-gradient(180deg, var(--ember), #d84e00); color: #fff;
  font-weight: 700; letter-spacing: .5px; cursor: pointer; font-size: 14px;
}
#auth-submit:hover { filter: brightness(1.08); }
#auth-submit:disabled { opacity: .5; cursor: not-allowed; }

/* Single sign-on. Outlined rather than filled: the ember-filled button is the
   primary action everywhere else in this UI, and having two of them on one
   card makes neither one read as the thing to press. */
.sso-button {
  display: block; width: 100%; box-sizing: border-box; padding: 12px;
  border: 1px solid var(--ember); border-radius: 8px;
  background: transparent; color: var(--ember-2);
  font-weight: 700; letter-spacing: .5px; font-size: 14px;
  text-align: center; text-decoration: none; cursor: pointer;
}
.sso-button:hover { background: rgba(255, 106, 0, .1); color: var(--ember); }
.sso-divider {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-dim); font-size: 12px; text-transform: uppercase;
  letter-spacing: .8px; margin: 16px 0;
}
.sso-divider::before, .sso-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}
.gate-error {
  border: 1px solid var(--danger); background: var(--danger-bg); color: #ffd7d5;
  padding: 9px 11px; border-radius: 8px; margin-bottom: 12px; font-size: 13px;
}
.gate-toggle { text-align: center; color: var(--ink-dim); font-size: 13px; margin: 16px 0 0; }
.gate-toggle a { color: var(--ember-2); text-decoration: none; margin-left: 4px; }
.gate-toggle a:hover { text-decoration: underline; }

/* ---- App shell: sidebar + main ---- */
.app { display: flex; height: 100%; }
.sidebar {
  width: 280px; flex-shrink: 0; display: flex; flex-direction: column;
  border-right: 1px solid var(--line); background: var(--panel);
  overflow-y: auto;
}
.side-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--line);
}
.ghost-btn {
  background: transparent; border: 1px solid var(--line); color: var(--ink-dim);
  border-radius: 6px; padding: 4px 9px; cursor: pointer; font-size: 15px; line-height: 1;
}
.ghost-btn:hover { border-color: var(--ember); color: var(--ink); }
.ghost-btn.small { padding: 1px 7px; font-size: 14px; }
.new-btn {
  margin: 12px 16px 6px; padding: 10px; border: 1px dashed var(--line);
  background: var(--panel-2); color: var(--ink); border-radius: 8px; cursor: pointer;
  font-size: 13px; font-weight: 600;
}
.new-btn:hover { border-color: var(--ember); border-style: solid; }
.side-section-label {
  padding: 12px 16px 6px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .7px;
  color: var(--ink-dim); display: flex; align-items: center; justify-content: space-between;
}
.mem-label { border-top: 1px solid var(--line); margin-top: 8px; }
.mem-hint { padding: 0 16px 8px; margin: 0; color: var(--ink-dim); font-size: 11px; line-height: 1.4; }

.conv-list { display: flex; flex-direction: column; }
.conv-item {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  padding: 9px 16px; cursor: pointer; border-left: 3px solid transparent;
  color: var(--ink-dim); font-size: 13px;
}
.conv-item:hover { background: var(--panel-2); color: var(--ink); }
.conv-item.active { background: var(--panel-2); color: var(--ink); border-left-color: var(--ember); }
.conv-item .conv-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-actions { display: none; gap: 4px; }
.conv-item:hover .conv-actions { display: flex; }
.conv-actions button {
  background: transparent; border: none; color: var(--ink-dim); cursor: pointer;
  font-size: 12px; padding: 2px 4px; border-radius: 4px;
}
.conv-actions button:hover { color: var(--ember); background: var(--bg); }

.mem-list { display: flex; flex-direction: column; gap: 6px; padding: 4px 16px 16px; }
.mem-item {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px; font-size: 12px;
}
.mem-item .mem-key { color: var(--ember-2); font-family: var(--mono); font-size: 11.5px; display: flex; justify-content: space-between; }
.mem-item .mem-key button { background: transparent; border: none; color: var(--ink-dim); cursor: pointer; }
.mem-item .mem-key button:hover { color: var(--danger); }
.mem-item .mem-val { color: var(--ink); margin-top: 3px; word-wrap: break-word; }
.mem-empty { padding: 0 16px 12px; color: var(--ink-dim); font-size: 12px; font-style: italic; }

/* Main column overrides (topbar/controls already styled above) */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.conv-title { font-weight: 700; font-size: 15px; letter-spacing: .3px; }

/* Responsive: collapse sidebar on narrow screens */
@media (max-width: 720px) {
  .sidebar { width: 216px; }
}