/* Cassandra — log panel, log page layout, calendar widget, chat sidebar. */

/* --- Log panel -------------------------------------------------------- */

.log-content {
  font-family: var(--font-sans);
  padding: 28px clamp(20px, 4vw, 56px) 32px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--text);
  max-width: 76ch;
  margin: 0 auto;
  max-height: calc(100vh - 240px);
  overflow-y: auto;
}
.log-content p { margin: 0 0 1.1em; }
.log-content h1, .log-content h2, .log-content h3, .log-content h4 {
  font-family: var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  margin-top: 1.8em;
  margin-bottom: 0.5em;
  font-weight: 700;
}
.log-content h1:first-child,
.log-content h2:first-child,
.log-content h3:first-child { margin-top: 0; }

/* TL;DR callout — model is instructed to put it first, so style the first
 * heading + paragraph block as a callout. */
.log-content h3:first-of-type {
  font-size: 11px;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: 10px;
  margin-bottom: 0;
}
.log-content h3:first-of-type + p {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding: 4px 14px 12px;
  margin: 0 0 1.8em;
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  font-weight: 500;
}
.log-content strong { color: var(--text); font-weight: 700; }
.log-content em { color: var(--muted); font-style: italic; }
.log-content ul, .log-content ol { padding-left: 1.4em; margin: 0 0 1.1em; }
.log-content li { margin-bottom: 0.4em; }
.log-content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.6em 0;
}

/* --- Log page (calendar + log + chat sidebar) ------------------------- */

.log-page__body {
  display: grid;
  grid-template-columns: 220px 1fr 320px;
  gap: 1px;
  background: var(--border);
}
@media (max-width: 1100px) {
  .log-page__body { grid-template-columns: 1fr; }
}
.log-page__cal, .log-page__content, .log-page__chat { background: var(--surface); }
.log-page__cal { padding: 10px; }
.log-page__content { min-height: 60vh; }
.log-page__chat { padding: 8px; min-height: 60vh; display: flex; flex-direction: column; }
.log-page__chat--locked { opacity: 0.92; }
.chat-locked {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 24px 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  border: 1px dashed var(--border);
  border-radius: 4px;
  margin: 8px 4px;
}
.chat-locked p { margin: 0; max-width: 280px; }
.chat-locked strong { color: var(--text); display: block; margin-bottom: 6px; }

/* --- Calendar widget --------------------------------------------------- */

.cal__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cal__title { color: var(--accent); font-weight: 700; }
.cal__btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 2px 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
}
.cal__btn:hover { color: var(--accent); border-color: var(--accent); }
.cal__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.cal__h {
  text-align: center;
  font-size: 9px;
  color: var(--dim);
  background: var(--surface-2);
  padding: 3px 0;
  text-transform: uppercase;
}
.cal__d {
  background: var(--surface);
  border: 0;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
  padding: 6px 0;
  text-align: center;
  cursor: not-allowed;
}
.cal__d--empty { background: var(--bg); cursor: default; }
.cal__d--has-log {
  color: var(--text);
  cursor: pointer;
  position: relative;
}
.cal__d--has-log::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--accent);
}
.cal__d--has-log:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.cal__d--today { color: var(--warning); }
.cal__d--selected {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
}
.cal__d--selected::after { background: var(--bg); }

/* --- Chat sidebar ----------------------------------------------------- */

.chat-header {
  border-bottom: 1px solid var(--border);
  padding: 6px 4px 8px;
  margin-bottom: 6px;
  display: flex;
  flex-direction: column;
}
.chat-title {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
}
.chat-title::before { content: "▸ "; }
.chat-hint { color: var(--dim); font-size: 10px; margin-top: 2px; }

.chat-thread {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 4px 2px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}
.chat-msg {
  font-family: var(--font-sans);
  font-size: 13.5px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  line-height: 1.6;
  word-wrap: break-word;
}
.chat-msg--system {
  color: var(--muted);
  font-size: 12px;
  background: transparent;
  border-style: dashed;
  font-family: var(--font-mono);
}
.chat-msg--user {
  background: var(--user-bubble-bg);
  border-color: var(--accent);
  color: var(--text);
  align-self: flex-end;
  max-width: 92%;
  white-space: pre-wrap;
}
.chat-msg--user::before {
  content: "you › ";
  font-family: var(--font-mono);
  color: var(--accent);
  opacity: 0.7;
  font-size: 10px;
}
.chat-msg--assistant { background: var(--surface-2); color: var(--text); }
.chat-msg--assistant::before {
  content: "cassandra › ";
  font-family: var(--font-mono);
  color: var(--accent);
  opacity: 0.7;
  font-size: 10px;
}
.chat-msg--pending { color: var(--dim); font-style: italic; }
.chat-msg--error   { color: var(--negative); border-color: var(--negative); }

.chat-msg p   { margin: 0.4em 0; }
.chat-msg p:first-child { margin-top: 0; }
.chat-msg p:last-child  { margin-bottom: 0; }
.chat-msg h2, .chat-msg h3, .chat-msg h4 {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 11px;
  margin: 0.8em 0 0.3em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.chat-msg strong { color: var(--text); font-weight: 700; }
.chat-msg em     { color: var(--muted); font-style: italic; }

.chat-form {
  border-top: 1px solid var(--border);
  padding-top: 6px;
  display: flex;
  gap: 6px;
  align-items: flex-end;
}
.chat-form textarea {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  padding: 6px 8px;
  resize: vertical;
  min-height: 36px;
  outline: none;
}
.chat-form textarea:focus { border-color: var(--accent); }
.chat-form button {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: inherit;
  font-size: 11px;
  padding: 6px 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.chat-form button:hover:not(:disabled) { background: var(--accent); color: var(--bg); }
.chat-form button:disabled { opacity: 0.4; cursor: not-allowed; }


/* --- Mobile (≤480px) -------------------------------------------------- */

@media (max-width: 480px) {
  /* Trim horizontal padding so the markdown column uses the screen
     width. The existing 1100px rule already capped the column at
     76ch; we just shave the surrounding gutter. */
  .log-content { padding: 0 4px; font-size: 13.5px; }
  .log-content h2 { font-size: 16px; }
  .log-content h3 { font-size: 14px; }

  /* Chat bubbles edge-to-edge so the conversation reads like a
     mobile messenger thread. */
  .chat-msg {
    max-width: 100%;
    padding: 8px 10px;
    font-size: 13px;
  }
  .chat-msg--user { margin-right: 0; }
  .chat-msg--assistant { margin-left: 0; }

  /* Chat input row stacks: textarea full-width, button below. */
  .chat-form {
    flex-direction: column;
    gap: 6px;
    padding: 8px;
  }
  .chat-form textarea {
    width: 100%;
    min-height: 56px;
    font-size: 14px;        /* avoids iOS Safari zoom-on-focus */
  }
  .chat-form button {
    width: 100%;
    padding: 10px;
    font-size: 12px;
  }

  .chat-header { padding: 8px 10px; }
  .chat-title { font-size: 12px; }
  .chat-hint { font-size: 10px; }
}