/* Wren — chat widget. Uses the brand tokens from styles.css (:root). */

.wren { position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); z-index: 1100; }

/* ---------- launcher ---------- */
.wren-launch {
  position: relative; display: inline-flex; align-items: center; gap: 0.6em;
  background: var(--oxblood); color: #f6ede0;
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em;
  padding: 0.85em 1.25em 0.85em 1.05em; border-radius: 100px;
  box-shadow: 0 1px 0 var(--oxblood-dk), 0 14px 30px -12px rgba(110,32,25,0.8);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.wren-launch:hover { transform: translateY(-2px); background: var(--oxblood-dk); box-shadow: 0 1px 0 var(--oxblood-dk), 0 20px 38px -14px rgba(110,32,25,0.9); }
.wren-launch-icon { display: inline-flex; }
.wren-launch-dot {
  position: absolute; top: 0.5rem; right: 0.6rem; width: 9px; height: 9px; border-radius: 50%;
  background: var(--brass-lt); box-shadow: 0 0 0 0 color-mix(in srgb, var(--brass-lt) 80%, transparent);
  animation: wren-pulse 2.4s ease-out infinite;
}
@keyframes wren-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--brass-lt) 70%, transparent); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.wren-open .wren-launch { opacity: 0; pointer-events: none; transform: scale(0.9); }

/* ---------- panel ---------- */
.wren-panel {
  position: absolute; right: 0; bottom: 0;
  width: min(384px, calc(100vw - 2rem));
  height: auto;
  max-height: min(560px, 78vh);                 /* content-sized, capped — no empty space */
  padding: 0;                                   /* override the global `section` padding-block */
  display: none; flex-direction: column;        /* closed by default, regardless of [hidden] */
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(31,27,22,0.55), 0 0 0 1px rgba(31,27,22,0.04);
  transform-origin: bottom right;
}
.wren-panel[hidden] { display: none; }
.wren-open .wren-panel { display: flex; animation: wren-in 0.32s var(--ease) both; }
@keyframes wren-in { from { opacity: 0; transform: translateY(12px) scale(0.97); } to { opacity: 1; transform: none; } }

/* header */
.wren-head, .wren-quick, .wren-form, .wren-foot { flex-shrink: 0; }
.wren-head {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.9rem 1rem;
  background: var(--night); color: var(--paper);
  border-bottom: 1px solid rgba(241,235,223,0.12);
}
.wren-avatar {
  width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: #f6ede0;
  background: var(--oxblood); border: 1px solid var(--brass);
}
.wren-id { flex: 1; line-height: 1.2; }
.wren-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 500; display: flex; align-items: center; gap: 0.5em; }
.wren-badge {
  font-family: var(--font-mono); font-size: 0.54rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--brass-lt); border: 1px solid color-mix(in srgb, var(--brass-lt) 45%, transparent);
  padding: 0.15em 0.5em; border-radius: 100px;
}
.wren-sub { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.04em; color: rgba(241,235,223,0.6); margin-top: 0.2rem; display: flex; align-items: center; gap: 0.45em; }
.wren-status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 2px color-mix(in srgb, var(--green) 35%, transparent); }
.wren-close { color: rgba(241,235,223,0.7); padding: 0.3rem; border-radius: 8px; transition: color 0.2s, background 0.2s; }
.wren-close:hover { color: var(--paper); background: rgba(241,235,223,0.1); }

/* message log */
.wren-log {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 1.1rem 1rem 0.4rem;
  display: flex; flex-direction: column; gap: 0.7rem;
  background:
    radial-gradient(120% 60% at 100% 0%, rgba(166,128,63,0.06), transparent 60%),
    var(--paper);
  scrollbar-width: thin; scrollbar-color: var(--hairline) transparent;
}
.wren-log::-webkit-scrollbar { width: 7px; }
.wren-log::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 100px; }

.wren-msg {
  max-width: 86%; padding: 0.65rem 0.85rem; border-radius: 14px; font-size: 0.95rem; line-height: 1.5;
  animation: wren-msg-in 0.3s var(--ease) both;
}
@keyframes wren-msg-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.wren-bot {
  align-self: flex-start; background: var(--paper-deep); color: var(--ink);
  border: 1px solid var(--hairline-2); border-bottom-left-radius: 5px;
}
.wren-bot strong { color: var(--oxblood); font-weight: 600; }
.wren-bot a { color: var(--oxblood); text-decoration: underline; text-underline-offset: 2px; }
.wren-user {
  align-self: flex-end; background: var(--oxblood); color: #f6ede0; border-bottom-right-radius: 5px;
}

/* typing indicator */
.wren-typing { display: inline-flex; gap: 4px; align-items: center; }
.wren-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-faint); opacity: 0.5; animation: wren-blink 1.2s infinite ease-in-out; }
.wren-typing span:nth-child(2) { animation-delay: 0.18s; }
.wren-typing span:nth-child(3) { animation-delay: 0.36s; }
@keyframes wren-blink { 0%, 60%, 100% { transform: translateY(0); opacity: 0.35; } 30% { transform: translateY(-3px); opacity: 0.9; } }

/* quick replies */
.wren-quick { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0.5rem 1rem; }
.wren-chip {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink);
  background: transparent; border: 1px solid var(--hairline); border-radius: 100px;
  padding: 0.45em 0.85em; transition: all 0.2s var(--ease);
}
.wren-chip:hover { border-color: var(--oxblood); color: var(--oxblood); background: color-mix(in srgb, var(--oxblood) 5%, transparent); transform: translateY(-1px); }

/* input */
.wren-form { display: flex; gap: 0.5rem; padding: 0.7rem 0.8rem 0.3rem; border-top: 1px solid var(--hairline-2); }
.wren-input {
  flex: 1; font-family: var(--font-text); font-size: 0.95rem; color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--hairline); border-radius: 100px;
  padding: 0.7em 1em; transition: border-color 0.2s;
}
.wren-input:focus { outline: none; border-color: var(--oxblood); }
.wren-input::placeholder { color: var(--ink-faint); }
.wren-send {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center;
  background: var(--oxblood); color: #f6ede0; transition: transform 0.2s, background 0.2s;
}
.wren-send:hover { background: var(--oxblood-dk); transform: scale(1.05); }
.wren-foot {
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.04em; color: var(--ink-faint);
  text-align: center; padding: 0.2rem 1rem 0.7rem;
}

@media (max-width: 480px) {
  .wren { right: 0.8rem; bottom: 0.8rem; }
  .wren-panel { width: calc(100vw - 1.6rem); height: 78vh; }
  .wren-launch-label { display: none; }
  .wren-launch { padding: 0.95em; }
}

@media (prefers-reduced-motion: reduce) {
  .wren-panel, .wren-msg { animation: none; }
  .wren-launch-dot { animation: none; }
}