/* ==========================================================================
   workspace-chat.css — MeterCall conversational chat-first builder UI
   Apple-grade polish pass (Pat 2026-04-17).
   Cream always. Navy text. Orange accent. Magenta hover. Pink highlight.
   ========================================================================== */

:root {
  --mc-cream:        #fdfcf7;
  --mc-cream-bg:     #fff8ec;
  --mc-cream-deep:   #f5efe4;
  --mc-navy:         #1a2740;
  --mc-navy-soft:    rgba(26, 39, 64, 0.72);
  --mc-navy-mute:    rgba(26, 39, 64, 0.50);
  --mc-orange:       #ff6b1a;
  --mc-orange-2:     #f7931a;
  --mc-magenta:      #e91ea1;
  --mc-pink:         #ffeef6;
  --mc-border:       rgba(26, 39, 64, 0.08);
  --mc-border-soft:  rgba(26, 39, 64, 0.06);
  --mc-shadow-sm:    0 4px 12px rgba(26, 39, 64, 0.04);
  --mc-shadow-md:    0 8px 24px rgba(26, 39, 64, 0.08);
  --mc-shadow-lg:    0 14px 36px rgba(26, 39, 64, 0.10);
  --mc-ease:         cubic-bezier(0.32, 0.72, 0, 1);
  --mc-t-fast:       150ms var(--mc-ease);
  --mc-t-slow:       250ms var(--mc-ease);
  --mc-font:         -apple-system, 'SF Pro Text', 'Inter', system-ui, 'Segoe UI', sans-serif;
  --mc-focus-ring:   0 0 0 3px rgba(255, 107, 26, 0.30);

  /* legacy vars kept for any straggler references */
  --mc-chat-bg:       var(--mc-cream-bg);
  --mc-chat-text:     var(--mc-navy);
  --mc-chat-accent:   var(--mc-orange);
  --mc-chat-accent-2: var(--mc-orange-2);
  --mc-chat-border:      var(--mc-border);
  --mc-chat-border-soft: var(--mc-border-soft);
  --mc-chat-shadow:      var(--mc-shadow-sm);
}

/* ----- container: split pane ------------------------------------------- */
#mc-chat-wrap {
  margin: 0;
  padding: 0;
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: row;
  background: var(--mc-cream-bg);
  color: var(--mc-navy);
  font-family: var(--mc-font);
  box-sizing: border-box;
  width: 100%;
  gap: 0;
  background-image:
    radial-gradient(circle at 8% 78%, rgba(255,107,26,0.06), transparent 45%),
    radial-gradient(circle at 92% 22%, rgba(233,30,161,0.04), transparent 50%);
}

/* Chat docks full-height on the right; build canvas fills stage behind. */
#mc-chat-left {
  position: fixed;
  right: 0;
  top: 64px;
  bottom: 0;
  width: 420px;
  max-width: 38vw;
  min-width: 360px;
  background: var(--mc-cream);
  border-left: 1px solid var(--mc-border);
  box-shadow:
    -14px 0 36px rgba(255,107,26,0.08),
    -4px 0 12px rgba(26,39,64,0.05);
  padding: 24px 24px 16px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  z-index: 40;
  animation: mc-panel-in 420ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes mc-panel-in {
  from { transform: translateX(16px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}
#mc-chat-left::before {
  content: 'meter';
  position: absolute;
  top: 16px;
  left: 24px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  background: linear-gradient(135deg, var(--mc-orange-2), var(--mc-orange));
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(255,107,26,0.32);
}
#mc-chat-scroll { padding-top: 40px; }

/* RIGHT: build canvas */
#mc-chat-right {
  position: absolute;
  inset: 0;
  padding: 32px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(253,252,247,0.55), rgba(255,248,236,0.70));
  z-index: 1;
}
#mc-chat-right .mc-preview-card {
  flex: 1;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--mc-border-soft);
  box-shadow: var(--mc-shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}
#mc-chat-right .mc-preview-header {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--mc-navy-mute);
  display: flex;
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--mc-border-soft);
  background: #fafafa;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
}
#mc-chat-right .mc-preview-header .mc-dot { width: 10px; height: 10px; border-radius: 50%; }
#mc-chat-right .mc-preview-header .r { background: #ff605c; }
#mc-chat-right .mc-preview-header .y { background: #ffbd44; }
#mc-chat-right .mc-preview-header .g { background: #00ca4e; }
#mc-chat-right #mc-preview-iframe {
  flex: 1;
  width: 100%;
  border: 0;
  background: #fff;
}
#mc-chat-right .mc-preview-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--mc-navy-mute);
  font-size: 14px;
  text-align: center;
  padding: 40px;
  gap: 12px;
  font-family: var(--mc-font);
}
#mc-chat-right .mc-preview-empty .mc-preview-illus {
  width: 72px; height: 72px; border-radius: 18px;
  background: linear-gradient(135deg, var(--mc-orange-2), var(--mc-orange));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 28px; font-weight: 900;
  box-shadow: 0 10px 28px rgba(255,107,26,0.30);
}

/* Preview-pane shimmer while building */
.mc-preview-shimmer {
  position: absolute;
  inset: 48px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 2;
}
.mc-shimmer-row {
  height: 18px;
  border-radius: 8px;
  background: linear-gradient(90deg,
    rgba(245,239,228,0.6) 0%,
    rgba(255,238,246,0.9) 45%,
    rgba(245,239,228,0.6) 100%);
  background-size: 200% 100%;
  animation: mc-shimmer 1.6s var(--mc-ease) infinite;
}
.mc-shimmer-head { width: 32%; height: 28px; }
.mc-shimmer-wide { width: 92%; }
.mc-shimmer-mid  { width: 68%; }
.mc-shimmer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 8px 0;
}
.mc-shimmer-tile {
  height: 120px;
  border-radius: 12px;
  background: linear-gradient(90deg,
    rgba(245,239,228,0.6) 0%,
    rgba(255,238,246,0.9) 45%,
    rgba(245,239,228,0.6) 100%);
  background-size: 200% 100%;
  animation: mc-shimmer 1.6s var(--mc-ease) infinite;
}
@keyframes mc-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Main content reserves 420px on the right for the chat column. */
#mc-chat-wrap {
  position: relative;
  display: block;
  min-height: calc(100vh - 64px);
  padding-right: 420px;
  box-sizing: border-box;
}
body.mc-chat-active .app { padding-right: 420px; }
@media (max-width: 1024px) {
  body.mc-chat-active .app,
  #mc-chat-wrap { padding-right: 360px; }
  #mc-chat-left { width: 360px; }
}
@media (max-width: 768px) {
  body.mc-chat-active .app,
  #mc-chat-wrap { padding-right: 0; }
  #mc-chat-left {
    right: 0; top: auto; bottom: 0; left: 0;
    width: 100%; min-width: 0; max-width: none;
    height: 58vh; border-left: 0; border-top: 1px solid var(--mc-border);
    box-shadow: 0 -14px 36px rgba(26,39,64,0.10);
  }
}
@media (max-width: 640px) {
  #mc-chat-wrap { padding-right: 0; }
  body.mc-chat-active .app { padding-right: 0; }
  #mc-chat-left {
    right: 0; left: 0; bottom: 0; top: auto;
    width: auto; max-width: none;
    height: 70vh;
    border-radius: 18px 18px 0 0;
    border-left: 0;
    border-top: 1px solid var(--mc-border);
    padding: 20px 16px 14px;
  }
  #mc-chat-right { padding: 16px; }
}

/* First assistant bubble is treated as HERO */
.mc-msg-assistant.mc-hero {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  padding: 0 8px !important;
  max-width: 100% !important;
  font-size: clamp(28px, 4.2vw, 44px) !important;
  font-weight: 700 !important;
  line-height: 1.15 !important;
  letter-spacing: -0.02em !important;
  color: var(--mc-navy) !important;
  margin-bottom: 16px;
}
.mc-msg-assistant.mc-hero::before { display: none !important; }
.mc-msg-assistant.mc-hero .mc-typing-cursor {
  width: 3px !important;
  height: 0.9em !important;
  background: var(--mc-orange) !important;
  vertical-align: -0.08em;
}

/* Quick-start chips row */
.mc-quick-starts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  margin-bottom: 24px;
  animation: mc-bubble-in 600ms var(--mc-ease) 0.8s backwards;
}
.mc-quick-start {
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--mc-border);
  color: var(--mc-navy);
  cursor: pointer;
  font-family: var(--mc-font);
  transition: all var(--mc-t-fast);
  font-weight: 600;
}
.mc-quick-start:hover {
  background: #fff;
  border-color: var(--mc-orange);
  transform: translateY(-2px);
  box-shadow: var(--mc-shadow-sm);
}

#mc-chat-scroll {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 80px;
  overflow-y: auto;
}

/* ----- message row (avatar + bubble) ----------------------------------- */
.mc-msg-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  width: 100%;
}
.mc-row-ai {
  justify-content: flex-start;
}
.mc-row-user {
  justify-content: flex-end;
}

/* MC avatar — orange dual-ring spinner mark */
.mc-avatar {
  position: relative;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  margin-bottom: 4px;
}
.mc-avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--mc-orange);
  border-top-color: transparent;
  border-right-color: transparent;
  opacity: 0.85;
}
.mc-avatar-dot {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mc-orange-2), var(--mc-orange));
  box-shadow: 0 2px 6px rgba(255,107,26,0.35);
}

/* ----- bubble base ------------------------------------------------------ */
.mc-msg {
  border-radius: 16px;
  padding: 12px 16px;
  font: 400 15px/1.55 var(--mc-font);
  max-width: 80%;
  word-wrap: break-word;
  animation: mc-bubble-in 250ms var(--mc-ease);
  letter-spacing: -0.005em;
}

.mc-msg-assistant {
  background: #fff;
  border: 1px solid var(--mc-border-soft);
  box-shadow: var(--mc-shadow-sm);
  color: var(--mc-navy);
  border-bottom-left-radius: 4px; /* tail side asymmetric */
}

.mc-msg-user {
  background: var(--mc-cream-deep);
  color: var(--mc-navy);
  border: 1px solid rgba(26,39,64,0.06);
  border-bottom-right-radius: 4px; /* tail side asymmetric */
  font-weight: 500;
}

/* ----- typing cursor ---------------------------------------------------- */
.mc-typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  vertical-align: text-bottom;
  background: var(--mc-orange);
  margin-left: 2px;
  animation: mc-blink 1s infinite steps(2);
  transition: opacity 360ms ease;
}
.mc-typing-cursor-fade { opacity: 0; }

@keyframes mc-blink {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Typing-dots (while /api/plan in flight) */
.mc-typing-bubble {
  padding: 14px 18px !important;
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.mc-typing-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--mc-orange);
  display: inline-block;
  opacity: 0.55;
  animation: mc-dot-bounce 1.2s var(--mc-ease) infinite;
}
.mc-typing-dot:nth-child(2) { animation-delay: 0.12s; }
.mc-typing-dot:nth-child(3) { animation-delay: 0.24s; }
@keyframes mc-dot-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.55; }
  30%           { transform: translateY(-5px); opacity: 1; }
}

/* ----- legacy chips ----------------------------------------------------- */
.mc-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px; /* 44x44 tap target */
  padding: 10px 16px;
  border-radius: 999px;
  font: 600 13px/1.2 var(--mc-font);
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--mc-t-fast), box-shadow var(--mc-t-fast),
              background var(--mc-t-fast), border-color var(--mc-t-fast),
              outline-offset 240ms var(--mc-ease);
  user-select: none;
  background: #fff;
  color: var(--mc-navy);
  outline: 2px solid transparent;
  outline-offset: 0;
}
.mc-chip:hover {
  transform: translateY(-2px);
  box-shadow: var(--mc-shadow-sm);
  border-color: var(--mc-orange);
}
.mc-chip:active { transform: translateY(0); box-shadow: none; }
.mc-chip:focus-visible {
  outline: 3px solid rgba(255,107,26,0.30);
  outline-offset: 2px;
}
.mc-chip-palette .mc-dot {
  display: inline-block;
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.mc-chip-selected {
  outline: 2px solid var(--mc-orange);
  outline-offset: 2px;
  box-shadow: 0 4px 14px rgba(255,107,26,0.28);
}
.mc-chip-ring {
  animation: mc-ring-pop 520ms var(--mc-ease);
}
@keyframes mc-ring-pop {
  0%   { outline-offset: 0; outline-color: rgba(255,107,26,1); }
  60%  { outline-offset: 8px; outline-color: rgba(255,107,26,0.2); }
  100% { outline-offset: 2px; outline-color: var(--mc-orange); }
}

/* ----- module CARDS (4-up grid) ---------------------------------------- */
.mc-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}
@media (max-width: 900px) { .mc-card-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }

.mc-card {
  appearance: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 10px 12px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--mc-border-soft);
  box-shadow: var(--mc-shadow-sm);
  cursor: pointer;
  text-align: left;
  font-family: var(--mc-font);
  color: var(--mc-navy);
  transition: transform var(--mc-t-fast), box-shadow var(--mc-t-fast),
              border-color var(--mc-t-fast), background var(--mc-t-fast);
  position: relative;
  overflow: hidden;
}
.mc-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--mc-shadow-md);
  border-color: var(--mc-orange);
}
.mc-card:focus-visible {
  outline: 3px solid rgba(255,107,26,0.30);
  outline-offset: 2px;
}
.mc-card-thumb {
  aspect-ratio: 4 / 3;
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--mc-pink), var(--mc-cream-deep));
  display: flex;
  align-items: center;
  justify-content: center;
}
.mc-card-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.mc-card-thumb.mc-thumb-fallback img { display: none; }
.mc-card-thumb.mc-thumb-fallback::after {
  content: '⚡';
  font-size: 28px;
  color: var(--mc-orange);
  font-weight: 900;
}
.mc-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 2px 4px 0;
}
.mc-card-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--mc-navy);
  text-transform: capitalize;
  line-height: 1.25;
  letter-spacing: -0.005em;
  /* clamp to 2 lines */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mc-card-cta {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mc-orange);
  position: relative;
  height: 14px;
}
.mc-card-cta-idle,
.mc-card-cta-done {
  position: absolute;
  inset: 0;
  transition: opacity var(--mc-t-slow), transform var(--mc-t-slow);
}
.mc-card-cta-done {
  opacity: 0;
  transform: translateY(4px);
  color: var(--mc-magenta);
}
.mc-card-added .mc-card-cta-idle { opacity: 0; transform: translateY(-4px); }
.mc-card-added .mc-card-cta-done { opacity: 1; transform: translateY(0); }
.mc-card-added {
  border-color: var(--mc-magenta);
  background: var(--mc-pink);
}
.mc-card-locked { pointer-events: none; }

/* ----- sticky input ---------------------------------------------------- */
#mc-chat-input-wrap {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 0 8px;
  background: linear-gradient(
    to bottom,
    rgba(253,252,247,0) 0%,
    rgba(253,252,247,0.92) 30%,
    var(--mc-cream) 100%
  );
  border-top: 1px solid var(--mc-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 5;
}
#mc-chat-form {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

#mc-chat-input {
  flex: 1;
  min-height: 52px;
  max-height: 180px;
  font: 400 15px/1.45 var(--mc-font);
  border: 1.5px solid var(--mc-border);
  padding: 14px 16px;
  border-radius: 14px;
  background: #fff;
  color: var(--mc-navy);
  resize: none;
  transition: border-color var(--mc-t-fast), box-shadow var(--mc-t-fast);
  box-sizing: border-box;
  overflow-y: auto;
  letter-spacing: -0.005em;
}
#mc-chat-input::placeholder { color: var(--mc-navy-mute); }
#mc-chat-input:focus {
  border-color: var(--mc-orange);
  outline: 0;
  box-shadow: var(--mc-focus-ring);
}

/* ----- submit button (morphing) ---------------------------------------- */
#mc-chat-submit {
  background: linear-gradient(135deg, var(--mc-orange-2), var(--mc-orange));
  color: #fff;
  border: 0;
  border-radius: 14px;
  padding: 0 18px;
  height: 52px;
  min-width: 52px;
  font: 700 14px var(--mc-font);
  cursor: pointer;
  transition: transform var(--mc-t-fast), box-shadow var(--mc-t-fast),
              opacity var(--mc-t-fast), background var(--mc-t-fast);
  box-shadow: 0 2px 8px rgba(255,107,26,0.25);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  letter-spacing: -0.005em;
}
#mc-chat-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255,107,26,0.36);
  background: linear-gradient(135deg, var(--mc-orange), var(--mc-magenta));
}
#mc-chat-submit:active { transform: translateY(0); }
#mc-chat-submit:focus-visible {
  outline: 3px solid rgba(255,107,26,0.30);
  outline-offset: 2px;
}
#mc-chat-submit:disabled { opacity: 0.55; pointer-events: none; }
#mc-chat-submit.is-empty { opacity: 0.55; }
#mc-chat-submit.is-empty .mc-send-label { display: none; }

.mc-send-morph .mc-send-icon {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  opacity: 0;
  transition: opacity var(--mc-t-fast), transform var(--mc-t-slow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
#chat-does-not-exist { /* no-op anchor so selector above stays specific */ }

.mc-send-morph .mc-send-label {
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--mc-t-fast), transform var(--mc-t-fast);
  padding-left: 22px; /* arrow sits to the left */
}
#chat-does-not-exist2 {}

#mc-chat-submit.is-empty .mc-send-empty { opacity: 1; transform: translate(-50%, -50%) scale(1); }
#mc-chat-submit.is-ready .mc-send-ready { opacity: 1; transform: translate(-50%, -50%) scale(1); }
#mc-chat-submit.is-ready .mc-send-label { opacity: 1; transform: translateX(0); position: relative; padding-left: 26px; }
#mc-chat-submit.is-ready .mc-send-ready { left: 18px; }
#mc-chat-submit.is-sending .mc-send-spin { opacity: 1; transform: translate(-50%, -50%) scale(1); }
#mc-chat-submit.is-sending .mc-send-label { display: none; }

.mc-send-spinner {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  animation: mc-spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes mc-spin { to { transform: rotate(360deg); } }

/* Retry button */
.mc-retry-btn {
  margin-left: 10px;
  background: var(--mc-orange);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 6px 14px;
  font: 700 12px var(--mc-font);
  cursor: pointer;
  transition: all var(--mc-t-fast);
  letter-spacing: 0.02em;
}
.mc-retry-btn:hover {
  background: var(--mc-magenta);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(233,30,161,0.30);
}

/* ----- entrance animation ---------------------------------------------- */
@keyframes mc-bubble-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ----- mobile ---------------------------------------------------------- */
@media (max-width: 640px) {
  .mc-msg { max-width: 88%; }
  .mc-chip { font-size: 12px; }
  #mc-chat-input-wrap { padding: 12px 0 8px; }
  .mc-card-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mc-shimmer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ----- reduced motion -------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .mc-typing-cursor,
  .mc-typing-dot,
  .mc-shimmer-row,
  .mc-shimmer-tile,
  .mc-send-spinner { animation: none; }
  .mc-msg, .mc-card, .mc-chip, #mc-chat-submit, #mc-chat-input,
  .mc-send-icon, .mc-send-label, .mc-card-cta-idle, .mc-card-cta-done {
    transition: none;
    animation: none;
  }
}