/* ── Linus chat widget ─────────────────────────────────────────────────────
   Self-contained styles. Prefix: drc- (DatarensChat). Dark window, gold
   accents matching the Datarens.se design system (styles.css :root).
   Never inherits the page's custom cursor — chat keeps native UI. */

:root {
  --drc-gold: #c8a84b;
  --drc-gold-light: #e8d08a;
  --drc-gold-dark: #a8893a;
  --drc-card: #1a1714;
  --drc-card-deep: #0f0d0b;
  --drc-cream: #f5f0e8;
  --drc-muted: #a09880;
  --drc-border: #c9a84c33;
  --drc-border-strong: #c9a84c55;
  --drc-rust: #e8654a;
}

#datarens-chat-root, #datarens-chat-root * {
  box-sizing: border-box;
  cursor: auto;
  font-family: 'Syne', -apple-system, 'Segoe UI', sans-serif;
}
#datarens-chat-root button, #datarens-chat-root a { cursor: pointer; }

/* Bubble */
.drc-bubble {
  position: fixed; right: 24px; bottom: 24px; z-index: 99990;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--drc-gold); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(26, 23, 20, 0.45);
  transition: transform 0.2s ease, background 0.2s ease;
}
.drc-bubble:hover { transform: scale(1.07); background: var(--drc-gold-dark); }
.drc-bubble:focus-visible { outline: 3px solid var(--drc-gold-light); }
.drc-bubble svg { width: 24px; height: 24px; }
.drc-bubble.drc-pulse::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: var(--drc-gold);
  animation: drc-pulse 1.8s ease-out infinite; z-index: -1;
}
@keyframes drc-pulse {
  0%   { transform: scale(1);   opacity: 0.55; }
  70%  { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* Window */
.drc-window {
  position: fixed; right: 24px; bottom: 88px; z-index: 99991;
  width: 380px; max-width: calc(100vw - 32px);
  height: 510px; max-height: calc(100vh - 120px);
  background: var(--drc-card); border: 1px solid var(--drc-border); border-radius: 14px;
  box-shadow: 0 24px 64px rgba(10, 10, 8, 0.5);
  display: flex; flex-direction: column; overflow: hidden;
  opacity: 0; transform: translateY(16px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.drc-window.drc-open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

/* Anchored mode: Linus pops up next to the upload area after a file error */
.drc-window.drc-anchored { position: absolute; }
.drc-window.drc-anchored.drc-open {
  animation: drc-pop-in 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.drc-window.drc-anchored.drc-open .drc-header .drc-avatar {
  animation: drc-wiggle 0.8s ease 0.35s;
}
@keyframes drc-pop-in {
  0%   { transform: scale(0.3) rotate(-4deg); opacity: 0; }
  60%  { transform: scale(1.05) rotate(1.5deg); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
@keyframes drc-wiggle {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-14deg); }
  50% { transform: rotate(10deg); }
  75% { transform: rotate(-6deg); }
}

/* Header */
.drc-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; background: var(--drc-card); color: var(--drc-cream);
  border-bottom: 1px solid var(--drc-border);
}
.drc-header-info { flex: 1; min-width: 0; }
.drc-header-name { font-weight: 700; font-size: 15px; line-height: 1.2; color: var(--drc-gold); }
.drc-header-sub { font-size: 11.5px; color: var(--drc-muted); }
.drc-header button {
  background: transparent; border: 1px solid var(--drc-border); color: var(--drc-muted);
  width: 30px; height: 30px; border-radius: 6px; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}
.drc-header button:hover { border-color: var(--drc-gold); color: var(--drc-cream); }

/* Avatar */
.drc-avatar {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  background: var(--drc-gold); color: var(--drc-card-deep);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.drc-header .drc-avatar { background: var(--drc-gold); color: var(--drc-card-deep); }

/* Messages */
.drc-messages {
  flex: 1; overflow-y: auto; padding: 16px 14px;
  display: flex; flex-direction: column; gap: 12px; background: var(--drc-card);
}
.drc-msg { display: flex; gap: 8px; max-width: 88%; }
.drc-msg.drc-user { align-self: flex-end; flex-direction: row-reverse; }
.drc-msg.drc-assistant { align-self: flex-start; }
.drc-msg-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.drc-bubble-msg {
  position: relative; padding: 9px 12px; border-radius: 10px;
  font-size: 13.5px; line-height: 1.5; white-space: pre-wrap;
  word-break: break-word; color: var(--drc-cream);
}
.drc-user .drc-bubble-msg {
  background: var(--drc-gold); color: #fff; border-bottom-right-radius: 4px;
}
.drc-assistant .drc-bubble-msg {
  background: var(--drc-card-deep); border: 1px solid var(--drc-border);
  border-bottom-left-radius: 4px;
}
.drc-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 10.5px; color: var(--drc-muted);
}
.drc-user .drc-meta { justify-content: flex-end; }
.drc-copy {
  background: none; border: none; color: var(--drc-muted);
  font-size: 10.5px; padding: 0; display: inline-flex; align-items: center; gap: 3px;
}
.drc-copy:hover { color: var(--drc-gold); }

/* Typing indicator */
.drc-typing { display: inline-flex; gap: 4px; padding: 12px 14px; }
.drc-typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--drc-gold);
  animation: drc-blink 1.2s infinite both;
}
.drc-typing span:nth-child(2) { animation-delay: 0.2s; }
.drc-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes drc-blink {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

/* Suggestions */
.drc-suggestions { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 8px; background: var(--drc-card); }
.drc-chip {
  border: 1px solid var(--drc-gold); color: var(--drc-gold);
  background: transparent; border-radius: 20px; padding: 6px 12px;
  font-size: 12px; transition: background 0.15s ease, color 0.15s ease;
}
.drc-chip:hover { background: var(--drc-gold); color: #fff; }

/* Escalation */
.drc-escalation {
  margin: 0 14px 8px; padding: 9px 12px; border-radius: 10px;
  background: #c9a84c11; border: 1px solid var(--drc-border);
  font-size: 12.5px; color: var(--drc-cream);
}
.drc-escalation a { color: var(--drc-gold); font-weight: 700; text-decoration: none; }
.drc-escalation a:hover { text-decoration: underline; }

/* Input */
.drc-inputbar {
  display: flex; gap: 8px; padding: 10px 12px;
  border-top: 1px solid var(--drc-border); background: var(--drc-card);
}
.drc-inputbar textarea {
  flex: 1; resize: none; border: 1px solid var(--drc-border); border-radius: 6px;
  padding: 9px 11px; font-size: 13.5px; line-height: 1.4; color: var(--drc-cream);
  max-height: 110px; outline: none; background: var(--drc-card-deep);
}
.drc-inputbar textarea::placeholder { color: var(--drc-muted); }
.drc-inputbar textarea:focus { border-color: var(--drc-gold); }
.drc-send {
  width: 40px; height: 40px; border-radius: 6px; border: none; flex: none;
  background: var(--drc-gold); color: #fff; align-self: flex-end;
  display: flex; align-items: center; justify-content: center;
}
.drc-send:hover { background: var(--drc-gold-dark); }
.drc-send:disabled { opacity: 0.45; cursor: default; }
.drc-error {
  margin: 0 14px 8px; padding: 8px 11px; border-radius: 6px;
  background: #e8654a11; border: 1px solid #e8654a33; color: var(--drc-rust); font-size: 12.5px;
}

/* Mobile: fullscreen */
@media (max-width: 640px) {
  .drc-window, .drc-window.drc-anchored {
    position: fixed; left: 0 !important; top: auto !important;
    right: 0; bottom: 0; width: 100vw; max-width: 100vw;
    height: 100dvh; max-height: 100dvh; border-radius: 0; border: none;
  }
  .drc-bubble { right: 16px; bottom: 16px; }
}