/* Shared controls for the copied chat and canvas interfaces. */
:root {
  --ui-accent: #52ff00;
  --ui-paper: var(--paper, var(--panel, #ffffff));
  --ui-line: color-mix(in srgb, var(--ink) 12%, transparent);
  --ui-soft: color-mix(in srgb, var(--ink) 4%, transparent);
  --brain-glow: color-mix(in srgb, var(--ink) 20%, transparent);
}

.app-header, .demo-header {
  border-block-end: 0;
  padding: 16px clamp(18px, 4vw, 40px);
}
.brand, .brand-lockup { display: inline-flex; align-items: center; gap: 16px; }
.brand-mark, .wordmark-name {
  display: inline-grid;
  place-items: center;
  inline-size: 56px;
  block-size: 56px;
  flex: 0 0 56px;
  border: 1px solid var(--ink);
  font: 400 11px/1 "Geist Mono", monospace;
  letter-spacing: .12em;
}
.brand-copy, .wordmark:not(.wordmark-name) {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 750 13px/1 "Geist Mono", monospace;
  letter-spacing: .04em;
}
.brand-by { font: 400 13px/1 Geist, sans-serif; color: var(--muted); }
.brand-logo, .wordmark-mark { inline-size: 28px; block-size: 28px; object-fit: contain; }
:root[data-theme="dark"] .brand-logo,
:root[data-theme="dark"] .wordmark-mark { filter: invert(1); }

.composer, .prompt-form {
  display: flex;
  align-items: center;
  gap: 10px;
  inline-size: 100%;
  max-inline-size: 900px;
  margin-inline: auto;
  min-inline-size: 0;
  min-block-size: 68px;
  padding: 12px;
  border: 1px solid var(--ui-line);
  border-radius: 18px;
  background: var(--ui-paper);
  color: var(--ink);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--ink) 5%, transparent);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.composer:focus-within, .prompt-form:focus-within {
  outline: 0;
  border-color: color-mix(in srgb, #52ff00 55%, var(--ui-line));
  box-shadow: 0 0 0 3px color-mix(in srgb, #52ff00 9%, transparent),
    0 8px 32px color-mix(in srgb, var(--ink) 5%, transparent);
}
.composer #promptInput, .prompt-form #promptInput {
  flex: 1 1 0;
  min-inline-size: 0;
  inline-size: 100%;
  block-size: 40px;
  padding: 0 6px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 400 14px/1.5 Geist, sans-serif;
  outline: 0;
}
.composer #promptInput::placeholder,
.prompt-form #promptInput::placeholder { color: var(--muted); opacity: .9; }
.composer .upload-button, .prompt-form .upload-button,
.composer .send-button, .prompt-form .send-button {
  display: inline-grid;
  place-items: center;
  position: relative;
  flex: 0 0 40px;
  inline-size: 40px;
  block-size: 40px;
  min-inline-size: 40px;
  min-block-size: 40px;
  padding: 0;
  border: 0;
  border-radius: 11px;
  cursor: pointer;
}
.composer .upload-button, .prompt-form .upload-button {
  background: var(--ui-soft);
  color: var(--ink);
}
.composer .send-button, .prompt-form .send-button {
  background: var(--ink);
  color: var(--ui-paper);
}
.composer .send-button:disabled, .prompt-form .send-button:disabled { opacity: .42; }
.composer .upload-button:hover:not(:disabled),
.prompt-form .upload-button:hover:not(:disabled) { background: color-mix(in srgb, #52ff00 14%, var(--ui-paper)); }
.composer svg, .prompt-form svg { inline-size: 20px; block-size: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.composer .action-hint::after, .prompt-form .action-hint::after { display: none; }
.composer .brain-controls, .prompt-form .brain-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  inline-size: 88px;
  block-size: 40px;
  position: relative;
  isolation: auto;
  z-index: 2;
  transition: inline-size 180ms ease;
}
.prompt-form .brain-button {
  position: relative;
  z-index: 2;
  flex: 0 0 40px;
  inline-size: 40px;
  block-size: 40px;
  min-inline-size: 40px;
  min-block-size: 40px;
  border: 1px solid var(--ui-line);
  border-radius: 10px;
  background: var(--ui-paper);
  color: var(--ink);
}
.prompt-form .brain-button[aria-pressed="true"] {
  background: var(--ui-paper);
  color: var(--ink);
}
.prompt-form .brain-button[aria-pressed="true"]::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 10px 2px var(--brain-glow);
  pointer-events: none;
  animation: brain-glow 2800ms ease-in-out infinite;
}
.prompt-form .brain-button[aria-pressed="false"] { color: var(--muted); }
.prompt-form .brain-button[aria-disabled="true"] { cursor: default; }
.prompt-form .brain-button:hover:not(:disabled) { background: var(--ui-soft); }
.prompt-form .brain-button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
@keyframes brain-glow {
  0%, 100% { opacity: .35; }
  50% { opacity: .8; }
}
.engine-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex: 0 0 40px;
  inline-size: 40px;
  min-inline-size: 40px;
  block-size: 40px;
  padding: 0;
  border: 1px solid color-mix(in srgb, #52d900 60%, var(--ui-line));
  border-radius: 11px;
  background: color-mix(in srgb, #52ff00 14%, var(--ui-paper));
  color: var(--ink);
  cursor: default;
  animation: engine-appear 260ms ease both;
}
.engine-status[hidden] { display: none !important; }
.engine-status::after {
  content: "";
  position: absolute;
  inset: -3px;
  padding: 2px;
  border-radius: 14px;
  pointer-events: none;
  background: conic-gradient(from var(--engine-angle), transparent 62%, #52ff00 88%, transparent);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: engine-orbit 3s linear infinite;
}
.engine-status svg {
  animation: engine-breathe 2.8s ease-in-out infinite;
  transform-origin: center;
}
.engine-status[data-running="true"] { background: #52ff00; color: #10190c; }
.engine-status[data-running="true"]::after { animation-duration: 1.2s; }
.engine-status[data-running="true"] svg { animation-duration: 1s; }
.composer .brain-controls.is-direct,
.prompt-form .brain-controls.is-direct { inline-size: 40px; }
@property --engine-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
@keyframes engine-appear {
  from { opacity: 0; transform: scale(.88); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes engine-orbit { to { --engine-angle: 360deg; } }
@keyframes engine-breathe {
  0%, 100% { opacity: .75; transform: scale(.96); }
  50% { opacity: 1; transform: scale(1.06); }
}
.composer .ratio-button, .prompt-form .ratio-button {
  position: absolute;
  inset-inline-start: 48px;
  inset-block-start: 0;
  display: inline-grid;
  place-items: center;
  flex: 0 0 40px;
  inline-size: 40px;
  block-size: 40px;
  border: 1px solid var(--ui-line);
  border-radius: 10px;
  padding: 0;
  background: transparent;
  color: var(--ink);
  font: 500 11px/1 "Geist Mono", monospace;
  transform: none;
  opacity: 1;
  visibility: visible;
  transition: transform 180ms ease, opacity 180ms ease, visibility 180ms;
}
.composer .brain-controls.is-direct .ratio-button,
.prompt-form .brain-controls.is-direct .ratio-button {
  transform: translateX(-48px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.composer .ratio-menu, .prompt-form .ratio-menu {
  inset-block-end: calc(100% + 16px);
  inset-inline-start: 0;
  border-radius: 13px;
  border-color: var(--ui-line);
  background: var(--ui-paper);
  padding: 6px;
}
.composer .ratio-menu button, .prompt-form .ratio-menu button {
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
}
.composer .ratio-menu button:hover, .prompt-form .ratio-menu button:hover,
.composer .ratio-menu button[aria-checked="true"],
.prompt-form .ratio-menu button[aria-checked="true"] {
  background: color-mix(in srgb, #52ff00 12%, var(--ui-paper));
}
[data-tooltip]:focus-visible { outline: 2px solid #52d900; outline-offset: 3px; }
.ui-tooltip {
  position: fixed;
  z-index: 10000;
  max-inline-size: min(280px, calc(100vw - 24px));
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 9px;
  background: #20231f;
  color: #f7f9f4;
  font: 400 12px/1.5 Geist, sans-serif;
  box-shadow: 0 6px 22px rgba(0,0,0,.18);
  pointer-events: none;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 120ms ease, transform 120ms ease;
}
.ui-tooltip.is-visible { opacity: 1; transform: translateY(0); }
@media (max-width: 600px) {
  .app-header, .demo-header { padding: 14px 18px; }
  .composer, .prompt-form { gap: 6px; padding: 9px; min-block-size: 60px; border-radius: 15px; }
  .composer .brain-controls, .prompt-form .brain-controls { gap: 5px; }
  .brand, .brand-lockup { gap: 10px; }
  .brand-copy, .wordmark:not(.wordmark-name) { gap: 7px; font-size: 11px; }
  .brand-mark, .wordmark-name { inline-size: 42px; block-size: 42px; flex-basis: 42px; font-size: 9px; }
  .brand-logo, .wordmark-mark { inline-size: 22px; block-size: 22px; }
  .brand-by { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  .ui-tooltip, .composer, .prompt-form, .prompt-form .brain-controls,
  .prompt-form .ratio-button { transition: none; }
  .prompt-form .brain-button[aria-pressed="true"]::after { animation: none; opacity: .6; }
  .engine-status, .engine-status svg, .engine-status::after { animation: none; }
  .engine-status::after { background: #52d900; opacity: .35; }
}