/* Contaminated Agencies — Single-thread messaging, glitch, swipe */

:root {
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: 'Space Mono', "SF Mono", Monaco, monospace;
  --font-maya: 'Space Grotesk', -apple-system, sans-serif;
  --font-flynn: 'Space Mono', monospace;
  --color-bg: #09090b;
  --color-text: #f8fafc;
  --color-text-dim: #cbd5e1;
  --maya-tint: rgba(216, 180, 254, 0.16);
  --maya-bubble: rgba(216, 180, 254, 0.2);
  --maya-border: #e9d5ff;
  --flynn-tint: rgba(134, 239, 172, 0.16);
  --flynn-bubble: rgba(134, 239, 172, 0.18);
  --flynn-border: #bbf7d0;
  --user-bubble: rgba(255, 255, 255, 0.08);
  --bleed-color: rgba(168, 85, 247, 0.3);
  --glitch-red: #ff3366;
  --glitch-cyan: #00ffcc;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: auto;
}

/* Top bar */
.top-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.icon-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--color-text);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.05rem;
  transition: background 0.2s, border-color 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: rgba(255,255,255,0.15);
}

.icon-btn:focus-visible,
.control-btn:focus-visible,
#send-btn:focus-visible,
#user-input:focus-visible,
.instructions-dismiss:focus-visible {
  outline: 2px solid #f8fafc;
  outline-offset: 2px;
}

.icon-btn.muted {
  opacity: 0.5;
}

.about-link {
  font-style: italic;
  font-weight: 600;
}

.stats {
  margin-left: auto;
  font-size: 0.9rem;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  transition: opacity 0.3s;
}

.stats.idle {
  opacity: 0.5;
}

.status {
  min-height: 0;
  padding: 0 1rem;
  font-size: 0.95rem;
  color: var(--color-text-dim);
  opacity: 0;
  transition: opacity 0.2s, padding 0.2s;
}

.status.visible {
  padding: 0.5rem 1rem 0;
  opacity: 1;
}

.status.error {
  color: #fecaca;
}

.status.note {
  color: #ddd6fe;
}

/* Single thread container */
.thread-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  overflow-y: auto;
  min-height: 0;
  position: relative;
}

/* Contamination layer — bleeds in as the exchange accumulates */
.contamination-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(
    90deg,
    rgba(147, 51, 234, 0.28) 0%,
    transparent 40%,
    transparent 60%,
    rgba(22, 163, 74, 0.22) 100%
  );
  transition: opacity 3s ease;
  z-index: 0;
}

/* Column orientation labels */
.column-labels {
  display: flex;
  justify-content: space-between;
  padding: 0 0 0.9rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.col-maya {
  color: var(--maya-border);
  opacity: 0.45;
}

.col-flynn {
  color: var(--flynn-border);
  opacity: 0.45;
}

/* Thread and overlays sit above contamination layer */
.thread,
.typing-indicator,
.swipe-overlay {
  position: relative;
  z-index: 1;
}

.thread {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Text lines — no bubbles. Maya left, Flynn right, user center. */
.line {
  max-width: 85%;
  font-size: clamp(1.15rem, 1.05rem + 0.25vw, 1.35rem);
  line-height: 1.65;
  padding: 0.35rem 0;
}

/* Maya: Space Grotesk, humanist, accumulating — color brightens as --maya-density grows */
.line.maya {
  align-self: flex-start;
  text-align: left;
  font-family: var(--font-maya);
  color: hsl(270, calc(40% + var(--maya-density, 0) * 35%), calc(76% + var(--maya-density, 0) * 14%));
}

/* Flynn: Space Mono, algorithmic, always fresh, always the same weight */
.line.flynn {
  align-self: flex-end;
  text-align: right;
  font-family: var(--font-flynn);
  font-size: clamp(1rem, 0.92rem + 0.22vw, 1.18rem);
  color: var(--flynn-border);
  opacity: 0.92;
}

.line.user {
  align-self: center;
  text-align: center;
  font-style: italic;
  color: #e2e8f0;
}

.line.system {
  align-self: center;
  text-align: center;
  max-width: 34rem;
  font-size: 1rem;
  color: var(--color-text-dim);
}

.line.system.error {
  color: #fecaca;
}

.line.system.note {
  color: #ddd6fe;
}

.line .text {
  display: inline;
}

/* Voice-synced: words reveal with TTS */
.line .sentence {
  display: inline;
}

.line .word.pending {
  opacity: 0.4;
}

.line .word {
  display: inline;
}

.line .word:not(:first-child)::before {
  content: " ";
}

/* Swipe overlay (kept for future use) */
.swipe-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
}

/* Flynn sycophantic dementia — rapid flicker before erasure */
@keyframes flynn-dementia {
  0%   { opacity: 1;    transform: translateX(0); }
  10%  { opacity: 0.04; transform: translateX(3px); }
  22%  { opacity: 0.88; transform: translateX(-2px); }
  34%  { opacity: 0.02; transform: translateX(2px); }
  48%  { opacity: 0.72; transform: translateX(-1px); }
  62%  { opacity: 0;    transform: translateX(0); }
  100% { opacity: 0; }
}

.line.flynn.dementia {
  animation: flynn-dementia 0.44s forwards ease-in;
  pointer-events: none;
  user-select: none;
}

/* Contamination pulse on user intervention */
@keyframes contamination-pulse {
  0%   { opacity: var(--c-opacity, 0); }
  40%  { opacity: min(calc(var(--c-opacity, 0) + 0.18), 1); }
  100% { opacity: var(--c-opacity, 0); }
}

.contamination-layer.user-pulse {
  animation: contamination-pulse 1s ease-out;
}


/* Typing indicator — one, side set by .maya-side or .flynn-side */
.typing-indicator {
  display: none;
  padding: 0.65rem 1rem;
  border-radius: 1rem;
  max-width: fit-content;
}

.typing-indicator.visible {
  display: flex;
  gap: 0.3rem;
}

.typing-indicator.maya-side {
  align-self: flex-start;
  background: var(--maya-bubble);
  border: 1px solid var(--maya-border);
}

.typing-indicator.flynn-side {
  align-self: flex-end;
  background: var(--flynn-bubble);
  border: 1px solid var(--flynn-border);
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: typing-bounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* Input area */
.input-area {
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(0,0,0,0.3);
  flex-shrink: 0;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.control-btn {
  padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, opacity 0.2s;
}

.control-btn:hover {
  background: rgba(255,255,255,0.14);
}

.control-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.control-btn.danger {
  border-color: rgba(254, 202, 202, 0.45);
  color: #fecaca;
}


.input-row {
  display: flex;
  gap: 0.5rem;
}

#user-input {
  flex: 1;
  padding: 0.95rem 1.1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 1.5rem;
  color: var(--color-text);
  font-size: 1.02rem;
}

#user-input::placeholder {
  color: var(--color-text-dim);
}

#user-input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.2);
}

#send-btn {
  padding: 0.95rem 1.35rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 1.5rem;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

#send-btn:hover {
  background: rgba(255,255,255,0.15);
}

/* Instructions overlay — minimal, design-forward */
.instructions-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.instructions-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.instructions-content {
  text-align: center;
  max-width: 20rem;
  padding: 2rem;
}

.instructions-content p {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--color-text);
}

.instructions-dismiss {
  margin-top: 1.5rem;
  padding: 0.8rem 1.6rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 2rem;
  color: var(--color-text);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.instructions-dismiss:hover {
  background: rgba(255,255,255,0.15);
}