/**
 * Moonvine Chat Widget Styles
 * All selectors scoped to .moonvine-chat-* to avoid theme collisions.
 */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --mvn-chat-primary: #f3f4f6;
  --mvn-chat-primary-hover: #e5e7eb;
  --mvn-chat-bg: #ffffff;
  --mvn-chat-surface: #f3f4f6;
  --mvn-chat-text: #111827;
  --mvn-chat-text-muted: #6b7280;
  --mvn-chat-border: #e5e7eb;
  --mvn-chat-link: #2563eb;
  --mvn-chat-link-hover: #1d4ed8;
  --mvn-chat-user-bg: #1a1a1a;
  --mvn-chat-user-text: #ffffff;
  --mvn-chat-assistant-bg: #f3f4f6;
  --mvn-chat-assistant-text: #111827;
  --mvn-chat-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08), 0 8px 30px rgba(0, 0, 0, 0.18);
  --mvn-chat-radius: 12px;
  --mvn-chat-bubble-size: 48px;
  --mvn-chat-panel-width: 380px;
  --mvn-chat-panel-height: 520px;
  --mvn-chat-z: 999999;
}

/* Explicit dark theme — admin "Theme: Dark". Hue-neutral grays. */
.moonvine-chat-panel[data-theme="dark"] {
  --mvn-chat-primary: #262626;
  --mvn-chat-primary-hover: #333333;
  --mvn-chat-bg: #171717;
  --mvn-chat-surface: #262626;
  --mvn-chat-text: #fafafa;
  --mvn-chat-text-muted: #a3a3a3;
  --mvn-chat-border: #404040;
  --mvn-chat-link: #7dabff;
  --mvn-chat-link-hover: #a9c5ff;
  --mvn-chat-assistant-bg: #262626;
  --mvn-chat-assistant-text: #fafafa;
  --mvn-chat-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 -10px 28px rgba(255, 255, 255, 0.07);
}
.moonvine-chat-panel[data-theme="dark"] .moonvine-chat-header,
.moonvine-chat-panel[data-theme="dark"] .moonvine-chat-header__close {
  color: #d4d4d4;
}

/* System theme — follow OS preference */
@media (prefers-color-scheme: dark) {
  .moonvine-chat-panel[data-theme="system"] {
    --mvn-chat-primary: #262626;
    --mvn-chat-primary-hover: #333333;
    --mvn-chat-bg: #171717;
    --mvn-chat-surface: #262626;
    --mvn-chat-text: #fafafa;
    --mvn-chat-text-muted: #a3a3a3;
    --mvn-chat-border: #404040;
    --mvn-chat-link: #7dabff;
    --mvn-chat-link-hover: #a9c5ff;
    --mvn-chat-assistant-bg: #262626;
    --mvn-chat-assistant-text: #fafafa;
    --mvn-chat-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 -10px 28px rgba(255, 255, 255, 0.07);
  }
  .moonvine-chat-panel[data-theme="system"] .moonvine-chat-header,
  .moonvine-chat-panel[data-theme="system"] .moonvine-chat-header__close {
    color: #d4d4d4;
  }
}

/* ===== BUBBLE ===== */
.moonvine-chat-bubble {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: var(--mvn-chat-bubble-size);
  height: var(--mvn-chat-bubble-size);
  border-radius: 50%;
  background: #1a1a1a;
  color: #fff;
  border: 1px solid #000000;
  outline: 1px solid #1a1a1a;
  outline-offset: 1px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: var(--mvn-chat-z);
  perspective: 800px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.moonvine-chat-bubble--light {
  background: #ffffff;
  color: #1a1a1a;
  border-color: #000000;
  outline-color: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
/* Flip wrapper inside bubble */
.mvn-bubble-flipper {
  position: relative;
  width: 22px;
  height: 22px;
  transform-style: preserve-3d;
  transition: transform 0.4s ease;
}
.mvn-bubble-face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
}
.mvn-bubble-back {
  transform: rotateY(180deg);
}
.moonvine-chat-bubble:hover {
  transform: scale(1.08);
}
.moonvine-chat-bubble:hover .mvn-bubble-flipper {
  transform: rotateY(180deg);
}
@media (prefers-reduced-motion: reduce) {
  .mvn-bubble-flipper {
    transition: none;
  }
}
.moonvine-chat-bubble--hidden {
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

/* ===== PANEL ===== */
.moonvine-chat-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: var(--mvn-chat-panel-width);
  height: var(--mvn-chat-panel-height);
  max-height: calc(100vh - 40px);
  background: var(--mvn-chat-bg);
  border-radius: var(--mvn-chat-radius);
  box-shadow: var(--mvn-chat-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: var(--mvn-chat-z);
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: bottom right;
}
.moonvine-chat-panel--closed {
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

/* ===== HEADER ===== */
.moonvine-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--mvn-chat-primary);
  color: #4b5563;
  flex-shrink: 0;
  border-radius: var(--mvn-chat-radius) var(--mvn-chat-radius) 0 0;
  border-bottom: 1px solid var(--mvn-chat-border);
}
.moonvine-chat-header__left {
  display: flex;
  align-items: center;
}
.moonvine-chat-header__mark svg {
  width: 100%;
  height: 100%;
}
.moonvine-chat-header__title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.moonvine-chat-header__close {
  background: none;
  border: none;
  color: #4b5563;
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  padding: 0 2px;
  opacity: 0.8;
}
.moonvine-chat-header__close:hover {
  opacity: 1;
}

/* ===== MESSAGES ===== */
.moonvine-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ===== TURNS ===== */
.moonvine-chat-turn {
  display: flex;
  flex-direction: column;
  max-width: 85%;
}
.moonvine-chat-turn--user {
  align-self: flex-end;
}
.moonvine-chat-turn--assistant {
  align-self: flex-start;
}
.moonvine-chat-turn__bubble {
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}
.moonvine-chat-turn--user .moonvine-chat-turn__bubble {
  background: var(--mvn-chat-user-bg);
  color: var(--mvn-chat-user-text);
  border-bottom-right-radius: 4px;
}
.moonvine-chat-turn--assistant .moonvine-chat-turn__bubble {
  background: var(--mvn-chat-assistant-bg);
  color: var(--mvn-chat-assistant-text);
  border-bottom-left-radius: 4px;
}

/* ===== REFERENCES ===== */
.moonvine-chat-references {
  margin-top: 6px;
}
.moonvine-chat-ref-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  color: var(--mvn-chat-text-muted);
  padding: 2px 0;
  transition: color 0.15s;
}
.moonvine-chat-ref-toggle:hover {
  color: var(--mvn-chat-assistant-text);
}
.moonvine-chat-ref-list {
  display: none;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.moonvine-chat-ref-list--open {
  display: flex;
}
.moonvine-chat-ref-link {
  font-size: 12px;
  color: var(--mvn-chat-assistant-text);
  text-decoration: none;
  background: var(--mvn-chat-surface);
  padding: 3px 8px;
  border-radius: 8px;
  border: 1px solid var(--mvn-chat-border);
  transition: background 0.15s;
}
.moonvine-chat-ref-link:hover {
  background: var(--mvn-chat-border);
  text-decoration: underline;
}

/* ===== MARKDOWN IN BUBBLES ===== */
/* Strong inherits bubble text color — never let a stray rule make bold text unreadable */
.moonvine-chat-turn__bubble strong {
  font-weight: 600;
  color: inherit;
}
.moonvine-chat-turn__bubble em { font-style: italic; color: inherit; }
.moonvine-chat-turn__bubble a {
  color: var(--mvn-chat-link, #60a5fa);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--mvn-chat-link, #60a5fa) 55%, transparent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  font-weight: 500;
  transition: color 0.15s, text-decoration-color 0.15s;
}
.moonvine-chat-turn__bubble a:hover {
  color: var(--mvn-chat-link-hover, #93c5fd);
  text-decoration-color: var(--mvn-chat-link-hover, #93c5fd);
}
/* Dark-bubble safety net: when the assistant bubble is dark (any theme path),
   ensure the link color has enough contrast to be readable. */
.moonvine-chat-turn--assistant .moonvine-chat-turn__bubble a {
  color: #93c5fd;
  text-decoration-color: rgba(147, 197, 253, 0.55);
}
.moonvine-chat-turn--assistant .moonvine-chat-turn__bubble a:hover {
  color: #bfdbfe;
  text-decoration-color: #bfdbfe;
}
.moonvine-chat-turn__bubble code { background: rgba(0,0,0,0.06); padding: 1px 4px; border-radius: 3px; font-size: 0.9em; }

/* ===== FORM ===== */
.moonvine-chat-form {
  display: flex;
  align-items: flex-end;
  padding: 10px 12px;
  border-top: 1px solid var(--mvn-chat-border);
  background: var(--mvn-chat-bg);
  flex-shrink: 0;
  gap: 8px;
}
.moonvine-chat-input {
  flex: 1;
  border: 1px solid var(--mvn-chat-border);
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 14px;
  font-family: inherit;
  line-height: 1.35;
  outline: none;
  background: var(--mvn-chat-surface);
  color: var(--mvn-chat-text);
  transition: border-color 0.15s;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  overflow-y: auto;
  vertical-align: top;
}
.moonvine-chat-input:focus {
  border-color: var(--mvn-chat-primary);
}
.moonvine-chat-input::placeholder {
  color: var(--mvn-chat-text-muted);
}
.moonvine-chat-send {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: #1a1a1a;
  color: #fff;
  font-family: 'SF Pro Display', 'SF Pro', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 900;
  font-size: 18px;
  line-height: 1;
  box-shadow: 0 0 0 1px #fff, 0 0 0 2px #1a1a1a;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: background 0.15s;
}
.moonvine-chat-send:hover {
  background: #333333;
}
.moonvine-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Dark mode: invert send button — white fill, black arrow, white ring */
.moonvine-chat-panel[data-theme="dark"] .moonvine-chat-send {
  background: #fafafa;
  color: #171717;
  box-shadow: 0 0 0 1px #fafafa, 0 0 0 2px #171717;
}
.moonvine-chat-panel[data-theme="dark"] .moonvine-chat-send:hover {
  background: #e5e5e5;
}
@media (prefers-color-scheme: dark) {
  .moonvine-chat-panel[data-theme="system"] .moonvine-chat-send {
    background: #fafafa;
    color: #171717;
    box-shadow: 0 0 0 1px #fafafa, 0 0 0 2px #171717;
  }
  .moonvine-chat-panel[data-theme="system"] .moonvine-chat-send:hover {
    background: #e5e5e5;
  }
}

/* ===== FOOTER ===== */
.moonvine-chat-footer {
  padding: 10px 12px;
  font-size: 13px;
  color: #4b5563;
  text-align: center;
  background: #f3f4f6;
  border-top: 1px solid var(--mvn-chat-border);
  flex-shrink: 0;
  border-radius: 0 0 var(--mvn-chat-radius) var(--mvn-chat-radius);
}
.moonvine-chat-footer a {
  color: #4b5563;
  text-decoration: none;
  display: inline;
}
.moonvine-chat-footer a:hover {
  text-decoration: underline;
}

/* Footer dark variant — explicit + system. Hue-neutral grays. */
.moonvine-chat-panel[data-theme="dark"] .moonvine-chat-footer {
  background: #0f0f0f;
  color: #a3a3a3;
}
.moonvine-chat-panel[data-theme="dark"] .moonvine-chat-footer a {
  color: #a3a3a3;
}
@media (prefers-color-scheme: dark) {
  .moonvine-chat-panel[data-theme="system"] .moonvine-chat-footer {
    background: #0f0f0f;
    color: #a3a3a3;
  }
  .moonvine-chat-panel[data-theme="system"] .moonvine-chat-footer a {
    color: #a3a3a3;
  }
}
.moonvine-chat-footer__mark svg {
  width: 100%;
  height: 100%;
}

/* ===== THEME ANIMATION OVERRIDE ===== */
.moonvine-chat-form,
.moonvine-chat-form * {
  opacity: 1 !important;
  animation: none !important;
  visibility: visible !important;
}
.moonvine-chat-send:disabled {
  opacity: 0.5 !important;
}

/* ===== CELESTIAL THINKING INDICATOR =====
   Uses !important throughout because host themes frequently reset
   `animation`, `opacity`, and `transform` via broad selectors
   (same reason the form override below exists). */
.moonvine-chat-loading {
  display: inline-flex !important;
  gap: 4px;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 1px;
  color: currentColor;
  padding: 6px 2px;
  opacity: 1 !important;
  visibility: visible !important;
}
.moonvine-chat-loading .mvn-star {
  display: inline-block !important;
  opacity: 0.5;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  will-change: opacity, transform;
  visibility: visible !important;
}

/* Each glyph: unique duration + delay so nothing syncs.
   !important defeats any host-theme `animation: none` resets. */
.moonvine-chat-loading .mvn-star--1  { animation: mvn-twinkle 2.1s -0.0s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--2  { animation: mvn-twinkle 1.7s -0.3s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--3  { animation: mvn-twinkle 2.5s -0.8s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--4  { animation: mvn-twinkle-rotate 1.9s -0.2s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--5  { animation: mvn-drift-up 2.3s -0.5s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--6  { animation: mvn-star-rotate 8s 0s infinite linear !important; opacity: 1 !important; }
.moonvine-chat-loading .mvn-star--6 .mvn-star-inner { animation: mvn-star-sparkle 1.4s -0.3s infinite ease-in-out !important; display: inline-block; }
.moonvine-chat-loading .mvn-star--7  { animation: mvn-moon-breathe 2.8s 0s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--8  { animation: mvn-star-rotate-rev 8s -4s infinite linear !important; opacity: 1 !important; }
.moonvine-chat-loading .mvn-star--8 .mvn-star-inner { animation: mvn-star-sparkle 1.6s -0.8s infinite ease-in-out !important; display: inline-block; }
.moonvine-chat-loading .mvn-star--9  { animation: mvn-drift-down 2.7s -0.2s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--10 { animation: mvn-twinkle-rotate-rev 2.1s -0.5s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--11 { animation: mvn-twinkle 1.5s -1.1s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--12 { animation: mvn-twinkle 2.3s -0.4s infinite ease-in-out !important; }
.moonvine-chat-loading .mvn-star--13 { animation: mvn-twinkle 1.8s -0.9s infinite ease-in-out !important; }

@keyframes mvn-twinkle {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 1; }
}
@keyframes mvn-twinkle-rotate {
  0%, 100% { opacity: 0.3; transform: rotate(0deg); }
  50%      { opacity: 1;   transform: rotate(90deg); }
}
@keyframes mvn-twinkle-rotate-rev {
  0%, 100% { opacity: 0.3; transform: rotate(0deg); }
  50%      { opacity: 1;   transform: rotate(-90deg); }
}
@keyframes mvn-drift-up {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  50%      { opacity: 0.9; transform: translateY(-1px); }
}
@keyframes mvn-drift-down {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  50%      { opacity: 0.9; transform: translateY(1px); }
}
@keyframes mvn-star-rotate {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes mvn-star-rotate-rev {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); }
}
@keyframes mvn-moon-breathe {
  0%, 100% { opacity: 0.5; transform: scale(0.95); }
  50%      { opacity: 1;   transform: scale(1.05); }
}
@keyframes mvn-star-sparkle {
  0%, 100% { opacity: 0.2; transform: scale(0.9); }
  50%      { opacity: 1;   transform: scale(1.1); }
}

@media (prefers-reduced-motion: reduce) {
  .moonvine-chat-loading .mvn-star,
  .moonvine-chat-loading .mvn-star-inner {
    animation: none !important;
    opacity: 0.7;
  }
}

/* ===== MOBILE ===== */
@media (max-width: 480px) {
  .moonvine-chat-panel {
    width: 100%;
    height: 100%;
    max-height: 100vh;
    bottom: 0;
    right: 0;
    border-radius: 0;
  }
  .moonvine-chat-bubble {
    bottom: 16px;
    right: 16px;
  }
}

/* ================================================================
   Pro+ display customization (Phase 3)
   Position class flips bubble + panel anchor to the left side.
   --moonvine-accent / --moonvine-radius are set inline by JS when
   the live tier permits display_customization. They take effect
   on any rule that opted in by referencing the variable.
================================================================ */
.moonvine-chat-bubble.moonvine-chat--position-left {
  right: auto;
  left: 20px;
}
.moonvine-chat-panel.moonvine-chat--position-left {
  right: auto;
  left: 20px;
}
@media (max-width: 480px) {
  .moonvine-chat-bubble.moonvine-chat--position-left {
    left: 16px;
  }
  .moonvine-chat-panel.moonvine-chat--position-left {
    left: 0;
  }
}

/* Apply accent color (if set) to the bubble background and the send button.
   Falls back to the existing color cascade when --moonvine-accent is unset. */
.moonvine-chat-bubble[style*="--moonvine-accent"] {
  background: var(--moonvine-accent);
}
.moonvine-chat-panel[style*="--moonvine-accent"] .moonvine-chat-send {
  background: var(--moonvine-accent);
  color: #fff;
}

/* Apply radius (if set) to the bubble + panel + input controls. */
.moonvine-chat-bubble[style*="--moonvine-radius"] {
  /* radius var is in px; bubble stays a circle if author chose 24+ on a 56px button */
  border-radius: var(--moonvine-radius);
}
.moonvine-chat-panel[style*="--moonvine-radius"] {
  border-radius: var(--moonvine-radius);
}
.moonvine-chat-panel[style*="--moonvine-radius"] .moonvine-chat-input,
.moonvine-chat-panel[style*="--moonvine-radius"] .moonvine-chat-send {
  border-radius: var(--moonvine-radius);
}