/* Ask Mars: the AI guide's button and panel (assets/mars.js). Night navy plate, gold used once for the
   mark and the send action. Side panel on wide screens, a full-height sheet on phones. */

.mars-pill {
  position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 900;
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px 10px 12px;
  background: var(--plate); color: var(--plate-ink); border: 1px solid var(--plate-line); border-radius: var(--r-pill);
  font: 600 var(--t-md)/1 var(--font-body); letter-spacing: 0.01em; cursor: pointer; box-shadow: var(--shadow-3);
  transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.mars-pill:hover { transform: translateY(-1px); }
.mars-pill:focus-visible, .mars-panel :focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.mars-pill[hidden], .mars-panel[hidden] { display: none; }
.mars-mark { width: 22px; height: 22px; flex: none; }

.mars-panel {
  position: fixed; z-index: 901; right: 16px; bottom: 16px; top: 16px; width: min(420px, calc(100vw - 32px));
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-3);
  font: 400 var(--t-md)/1.55 var(--font-body);
  animation: mars-in var(--dur-3) var(--ease);
}
@keyframes mars-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .mars-panel, .mars-pill { animation: none; transition: none; } }

.mars-head { display: flex; align-items: center; gap: 12px; padding: 14px 14px 14px 18px; background: var(--plate); color: var(--plate-ink); }
.mars-head .mars-mark { width: 30px; height: 30px; }
.mars-title { flex: 1; min-width: 0; }
.mars-title b { display: block; font: 600 var(--t-xl)/1.1 var(--font-display); letter-spacing: 0.01em; }
.mars-title span { display: block; margin-top: 2px; font-size: var(--t-xs); color: var(--plate-ink-2); }
.mars-icon {
  display: grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: var(--r-pill);
  background: transparent; color: var(--plate-ink-2); cursor: pointer;
}
.mars-icon:hover { background: rgba(255, 255, 255, 0.08); color: var(--plate-ink); }
.mars-icon svg { width: 18px; height: 18px; }

.mars-log { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 14px; overscroll-behavior: contain; }
.mars-intro { color: var(--ink-2); }
.mars-intro p { margin: 0 0 10px; }
.mars-badge {
  display: inline-block; padding: 2px 8px; margin-right: 6px; border-radius: var(--r-pill);
  background: var(--neutral-soft); color: var(--ct-education); font: 600 var(--t-2xs)/1.6 var(--font-body); letter-spacing: 0.06em; text-transform: uppercase;
}
.mars-suggest { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.mars-suggest button {
  text-align: left; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--surface-2); color: var(--ink); font: inherit; font-size: var(--t-sm); cursor: pointer;
}
.mars-suggest button:hover { border-color: var(--accent-line); background: var(--accent-soft); }

.mars-q { align-self: flex-end; max-width: 85%; padding: 9px 13px; border-radius: var(--r-lg) var(--r-lg) var(--r-xs) var(--r-lg); background: var(--surface-3); white-space: pre-wrap; overflow-wrap: anywhere; }
.mars-a { max-width: 100%; overflow-wrap: anywhere; }
.mars-a p { margin: 0 0 10px; line-height: 1.6; }
.mars-a p.mars-h { margin: 14px 0 6px; font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; color: var(--ink); }
.mars-a ul, .mars-a ol { margin: 0 0 10px; padding-left: 20px; display: grid; gap: 6px; }
.mars-a ul { list-style: none; padding-left: 4px; }
.mars-a ul li { position: relative; padding-left: 18px; }
.mars-a ul li::before { content: "\2726"; position: absolute; left: 0; top: 1px; font-size: 10px; color: var(--accent); }
.mars-a ol li::marker { color: var(--accent); font-family: var(--font-mono); font-size: 12px; }
.mars-a strong { font-weight: 650; color: var(--ink); }
.mars-a sup a {
  margin-left: 2px; padding: 0 4px; border-radius: var(--r-xs); background: var(--accent-soft); color: var(--accent);
  font: 600 var(--t-2xs)/1.4 var(--font-mono); text-decoration: none;
}
.mars-sources { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.mars-sources a {
  display: inline-flex; align-items: baseline; gap: 6px; max-width: 100%; padding: 5px 10px; border: 1px solid var(--line);
  border-radius: var(--r-pill); color: var(--ink-2); font-size: var(--t-xs); text-decoration: none;
}
.mars-sources a:hover { border-color: var(--accent-line); color: var(--ink); }
.mars-sources a b { font: 600 var(--t-2xs)/1 var(--font-mono); color: var(--accent); }
.mars-sources a span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 260px; }
.mars-sources a i { font-style: normal; color: var(--ink-3); }
.mars-note { padding: 10px 12px; border-radius: var(--r-md); background: var(--warn-soft); color: var(--warn); font-size: var(--t-sm); }

.mars-status { display: flex; align-items: center; gap: 10px; color: var(--ink-3); font-size: var(--t-sm); }
.mars-status::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-strong);
  animation: mars-pulse 1.2s var(--ease) infinite;
}
@keyframes mars-pulse { 50% { opacity: 0.25; } }

.mars-form { border-top: 1px solid var(--line); padding: 12px 14px 10px; background: var(--surface); }
.mars-row { display: flex; gap: 8px; align-items: flex-end; }
.mars-form textarea {
  flex: 1; min-height: 44px; max-height: 140px; resize: none; padding: 11px 12px; border: 1px solid var(--line-strong);
  border-radius: var(--r-md); background: var(--surface-2); color: var(--ink); font: inherit;
}
.mars-form textarea:focus { outline: none; border-color: var(--focus); }
.mars-send {
  display: grid; place-items: center; width: 44px; height: 44px; flex: none; border: 0; border-radius: var(--r-md);
  background: var(--gold-600); color: var(--navy-950); cursor: pointer;
}
.mars-send:disabled { opacity: 0.45; cursor: default; }
.mars-send svg { width: 18px; height: 18px; }
.mars-foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; font-size: var(--t-2xs); color: var(--ink-3); line-height: 1.45; }
.mars-foot a { color: var(--accent); white-space: nowrap; font-weight: 600; }

@media (max-width: 560px) {
  .mars-panel { inset: 0; width: auto; border-radius: 0; border: 0; }
  .mars-pill { padding: 9px 14px 9px 10px; font-size: var(--t-sm); }
}