/* ================================================================
   PAIGE AI — Complete UI Redesign
   Bottom-anchored overlay, Claude-inspired, theme-aware
   ================================================================ */

/* ── FAB ────────────────────────────────────────────────────── */
.paige-fab {
  position: fixed;
  bottom: calc(var(--bottom-nav-h, 64px) + 12px);
  right: 16px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(145deg, #5b6cff 0%, #7f8cff 100%);
  box-shadow: 0 4px 16px rgba(91,108,255,.35);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 8500;
  border: none;
  transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s;
}
.paige-fab:hover { transform: scale(1.08); box-shadow: 0 6px 22px rgba(91,108,255,.5); }
.paige-fab:active { transform: scale(.95); }
.paige-fab svg { width: 20px; height: 20px; color: #fff; flex-shrink: 0; }

/* Pulse ring — subtle, stops on hover */
.paige-fab::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(91,108,255,.4);
  animation: paigeFabPulse 2.8s ease-out infinite;
}
.paige-fab:hover::after { animation: none; opacity: 0; }
@keyframes paigeFabPulse {
  0%   { transform: scale(1);   opacity: .7; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ── BACKDROP ───────────────────────────────────────────────── */
.paige-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.38);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 8700;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.paige-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* ── SHEET ──────────────────────────────────────────────────── */
.paige-sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 52vh;
  min-height: 320px;
  max-height: 560px;
  background: var(--card, #11192f);
  border-top: 1px solid var(--border, rgba(255,255,255,.06));
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -12px 40px rgba(0,0,0,.22);
  display: flex;
  flex-direction: column;
  z-index: 8800;
  transform: translateY(105%);
  transition: transform .35s cubic-bezier(.32,1,.36,1);
  font-family: 'Sora', sans-serif;
  overflow: hidden;
  /* safe area for phones with home bar */
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.paige-sheet.open {
  transform: translateY(0);
}

/* Light theme overrides */
.light-theme .paige-sheet {
  background: #ffffff;
  border-color: rgba(0,0,0,.08);
  box-shadow: 0 -8px 32px rgba(0,0,0,.1);
}

/* ── DRAG HANDLE ────────────────────────────────────────────── */
.paige-handle {
  display: flex;
  justify-content: center;
  padding: 10px 0 4px;
  flex-shrink: 0;
  cursor: grab;
}
.paige-handle-bar {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: var(--border, rgba(255,255,255,.12));
}
.light-theme .paige-handle-bar { background: rgba(0,0,0,.12); }

/* ── HEADER ─────────────────────────────────────────────────── */
.paige-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 10px;
  flex-shrink: 0;
  position: relative;
}
.paige-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
/* AI sparkle icon */
.paige-ai-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #5b6cff, #8a98ff);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.paige-ai-icon svg { width: 15px; height: 15px; color: #fff; }
.paige-title {
  font-size: .88rem;
  font-weight: 700;
  color: var(--txt, #fff);
  letter-spacing: -.01em;
}
.paige-subtitle {
  font-size: .68rem;
  color: var(--txt3, #98a3d4);
  margin-top: 1px;
}
.light-theme .paige-title  { color: #0f172a; }
.light-theme .paige-subtitle { color: #64748b; }

/* 3-dot menu button */
.paige-menu-btn {
  background: transparent;
  border: none;
  color: var(--txt3, #98a3d4);
  cursor: pointer;
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
  flex-shrink: 0;
}
.paige-menu-btn:hover {
  background: rgba(255,255,255,.07);
  color: var(--txt, #fff);
}
.light-theme .paige-menu-btn:hover { background: rgba(0,0,0,.06); color: #0f172a; }
.paige-menu-btn svg { width: 18px; height: 18px; }

/* Dropdown */
.paige-dropdown {
  position: absolute;
  top: 36px;
  right: 12px;
  background: var(--card-light, #1b2648);
  border: 1px solid var(--border, rgba(255,255,255,.08));
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 20;
  min-width: 158px;
  animation: paigeDropIn .18s ease;
}
.light-theme .paige-dropdown {
  background: #fff;
  border-color: rgba(0,0,0,.1);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}
.paige-dropdown.open { display: flex; }
@keyframes paigeDropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.paige-dropdown-item {
  background: transparent;
  border: none;
  padding: 9px 12px;
  text-align: left;
  border-radius: 8px;
  font-family: 'Sora', sans-serif;
  font-size: .8rem;
  font-weight: 500;
  color: var(--txt2, #d6dcf5);
  cursor: pointer;
  transition: background .15s;
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap;
}
.paige-dropdown-item:hover { background: rgba(255,255,255,.06); }
.paige-dropdown-item.danger { color: #f87171; }
.paige-dropdown-item.danger:hover { background: rgba(248,113,113,.1); }
.light-theme .paige-dropdown-item { color: #334155; }
.light-theme .paige-dropdown-item:hover { background: rgba(0,0,0,.05); }
.light-theme .paige-dropdown-item.danger { color: #ef4444; }
.light-theme .paige-dropdown-item.danger:hover { background: rgba(239,68,68,.08); }
.paige-dropdown-item svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── CHAT AREA ──────────────────────────────────────────────── */
.paige-chat-area {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border, rgba(255,255,255,.08)) transparent;
}
.paige-chat-area::-webkit-scrollbar { width: 4px; }
.paige-chat-area::-webkit-scrollbar-thumb {
  background: var(--border, rgba(255,255,255,.1));
  border-radius: 4px;
}

/* ── BUBBLES ────────────────────────────────────────────────── */
.paige-bubble {
  max-width: 88%;
  padding: 9px 13px;
  font-size: .82rem;
  line-height: 1.55;
  word-break: break-word;
  animation: paigeBubbleIn .2s ease;
  position: relative;
}
@keyframes paigeBubbleIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* User bubble */
.paige-bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #5b6cff, #7f8cff);
  color: #fff;
  border-radius: 16px 16px 4px 16px;
  box-shadow: 0 2px 10px rgba(91,108,255,.25);
  font-size: .83rem;
}

/* AI bubble — Claude-like: no background, just text with slight indentation */
.paige-bubble.ai {
  align-self: flex-start;
  background: transparent;
  color: var(--txt, #fff);
  border-radius: 0;
  padding: 4px 0 4px 0;
  max-width: 100%;
  font-size: .83rem;
}
.light-theme .paige-bubble.ai { color: #0f172a; }

/* Typing indicator */
.paige-typing {
  display: flex; gap: 4px; align-items: center;
  padding: 8px 0;
}
.paige-typing span {
  width: 6px; height: 6px;
  background: var(--txt4, #6f7a9e);
  border-radius: 50%;
  animation: paigeDot 1.2s ease-in-out infinite;
}
.paige-typing span:nth-child(2) { animation-delay: .2s; }
.paige-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes paigeDot {
  0%,80%,100% { transform: scale(.7); opacity: .5; }
  40%          { transform: scale(1);  opacity: 1;  }
}

/* ── MARKDOWN INSIDE AI BUBBLES ─────────────────────────────── */
.paige-bubble.ai p { margin: 0 0 6px; }
.paige-bubble.ai p:last-child { margin-bottom: 0; }
.paige-bubble.ai strong { font-weight: 700; color: var(--txt, #fff); }
.paige-bubble.ai em { font-style: italic; color: var(--txt2, #d6dcf5); }
.light-theme .paige-bubble.ai strong { color: #0f172a; }
.light-theme .paige-bubble.ai em { color: #475569; }
.paige-bubble.ai ul,
.paige-bubble.ai ol { margin: 4px 0 6px; padding-left: 18px; }
.paige-bubble.ai li { margin-bottom: 2px; font-size: .82rem; }
.paige-bubble.ai li p { margin: 0; display: inline; }
.paige-bubble.ai h1,
.paige-bubble.ai h2,
.paige-bubble.ai h3 {
  font-size: .88rem;
  font-weight: 700;
  color: var(--txt, #fff);
  margin: 8px 0 4px;
}
.light-theme .paige-bubble.ai h1,
.light-theme .paige-bubble.ai h2,
.light-theme .paige-bubble.ai h3 { color: #0f172a; }
.paige-bubble.ai code {
  background: rgba(91,108,255,.12);
  border: 1px solid rgba(91,108,255,.18);
  padding: 1px 5px;
  border-radius: 5px;
  font-family: 'Courier New', monospace;
  font-size: .78rem;
  color: var(--accent2, #7f8cff);
}
.paige-bubble.ai pre {
  background: var(--bg2, #091227);
  border: 1px solid var(--border, rgba(255,255,255,.06));
  padding: 10px 12px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 6px 0;
  font-family: 'Courier New', monospace;
  font-size: .75rem;
  color: var(--txt2, #d6dcf5);
}
.light-theme .paige-bubble.ai pre {
  background: #f1f5f9;
  border-color: rgba(0,0,0,.08);
  color: #334155;
}
.paige-bubble.ai pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
.paige-code-block {
  margin: 8px 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border, rgba(255,255,255,.06));
}
.light-theme .paige-code-block { border-color: rgba(0,0,0,.08); }
.paige-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card, #11192f);
  padding: 6px 12px;
  font-size: .7rem;
  color: var(--txt3, #98a3d4);
  border-bottom: 1px solid var(--border, rgba(255,255,255,.06));
}
.light-theme .paige-code-header {
  background: #e2e8f0;
  color: #64748b;
  border-bottom-color: rgba(0,0,0,.08);
}
.paige-code-header .paige-copy-btn {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-family: inherit;
  transition: opacity .2s;
}
.paige-code-header .paige-copy-btn:hover { opacity: .7; }
.paige-code-block pre {
  margin: 0 !important;
  border: none !important;
  border-radius: 0 !important;
}
.paige-bubble.ai blockquote {
  border-left: 3px solid var(--accent, #5b6cff);
  padding-left: 10px;
  margin: 6px 0;
  color: var(--txt3, #98a3d4);
  font-style: italic;
  font-size: .8rem;
}
.paige-bubble.ai hr {
  border: none;
  border-top: 1px solid var(--border, rgba(255,255,255,.06));
  margin: 8px 0;
}

/* Error state */
.paige-error-msg {
  align-self: flex-start;
  font-size: .78rem;
  color: #f87171;
  padding: 4px 0;
}

/* ── INPUT AREA ─────────────────────────────────────────────── */
.paige-input-bar {
  padding: 10px 12px 12px;
  flex-shrink: 0;
  border-top: 1px solid var(--border, rgba(255,255,255,.06));
  background: var(--card, #11192f);
  display: flex;
  align-items: flex-end;
  gap: 8px;
  position: relative;
}
.light-theme .paige-input-bar {
  background: #fff;
  border-color: rgba(0,0,0,.08);
}
.paige-input-inner {
  flex: 1;
  display: flex;
  align-items: flex-end;
  background: var(--bg2, #091227);
  border: 1px solid var(--border, rgba(255,255,255,.07));
  border-radius: 14px;
  padding: 8px 12px;
  transition: border-color .2s;
  gap: 8px;
}
.paige-input-inner:focus-within {
  border-color: rgba(91,108,255,.5);
}
.light-theme .paige-input-inner {
  background: #f1f5f9;
  border-color: rgba(0,0,0,.08);
}
.light-theme .paige-input-inner:focus-within {
  border-color: rgba(79,93,230,.45);
}

.paige-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: 'Sora', sans-serif;
  font-size: .82rem;
  color: var(--txt, #fff);
  resize: none;
  line-height: 1.5;
  max-height: 100px;
  overflow-y: auto;
  scrollbar-width: none;
  padding: 0;
}
.paige-input::-webkit-scrollbar { display: none; }
.paige-input::placeholder { color: var(--txt4, #6f7a9e); font-size: .8rem; }
.light-theme .paige-input { color: #0f172a; }
.light-theme .paige-input::placeholder { color: #94a3b8; }

/* File attachment preview */
.paige-file-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border, rgba(255,255,255,.08));
  border-radius: 8px;
  padding: 6px 10px;
  font-size: .75rem;
  color: var(--txt, #fff);
  align-self: flex-start;
  margin-bottom: 2px;
}
.light-theme .paige-file-preview {
  background: rgba(0,0,0,.04);
  border-color: rgba(0,0,0,.08);
  color: #0f172a;
}
.paige-file-preview img {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  object-fit: cover;
}
.paige-file-preview svg {
  width: 18px;
  height: 18px;
  color: var(--accent2, #7f8cff);
}
.paige-file-preview button {
  background: transparent;
  border: none;
  color: var(--txt3, #98a3d4);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  margin-left: 4px;
}
.paige-file-preview button:hover { color: #f87171; }
.light-theme .paige-file-preview button { color: #64748b; }
.light-theme .paige-file-preview button:hover { color: #ef4444; }

/* Attach Button */
.paige-attach-btn {
  background: transparent;
  border: none;
  color: var(--txt3, #98a3d4);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, color .15s;
  flex-shrink: 0;
  padding: 0;
  margin-bottom: 2px;
}
.paige-attach-btn:hover { background: rgba(255,255,255,.06); color: var(--txt, #fff); }
.light-theme .paige-attach-btn { color: #64748b; }
.light-theme .paige-attach-btn:hover { background: rgba(0,0,0,.05); color: #0f172a; }

/* Action buttons */
.paige-action-btn {
  width: 32px; height: 32px;
  border-radius: 9px;
  border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .15s, transform .15s, opacity .15s;
  flex-shrink: 0;
}
.paige-send-btn {
  background: linear-gradient(135deg, #5b6cff, #7f8cff);
  color: #fff;
  box-shadow: 0 2px 8px rgba(91,108,255,.3);
}
.paige-send-btn:hover { transform: scale(1.05); }
.paige-send-btn:active { transform: scale(.95); }
.paige-send-btn svg { width: 15px; height: 15px; }
.paige-send-btn:disabled { opacity: .4; cursor: default; transform: none; }

.paige-stop-btn {
  background: rgba(248,113,113,.15);
  color: #f87171;
  border: 1px solid rgba(248,113,113,.25);
  display: none;
}
.paige-stop-btn:hover { background: rgba(248,113,113,.25); }
.paige-stop-btn svg { width: 14px; height: 14px; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 400px) {
  .paige-sheet { height: 55vh; }
  .paige-bubble.user, .paige-bubble.ai { font-size: .8rem; }
}
@media (min-width: 768px) {
  /* On tablet/desktop, render as a popup instead of full-width sheet */
  .paige-sheet {
    left: auto;
    right: 20px;
    bottom: calc(var(--bottom-nav-h, 64px) + 64px);
    width: 360px;
    height: 50vh;
    max-height: 520px;
    border-radius: 18px;
    border: 1px solid var(--border, rgba(255,255,255,.06));
  }
  .paige-backdrop { display: none; }
  .paige-fab {
    bottom: calc(var(--bottom-nav-h, 64px) + 12px);
    right: 20px;
  }
}