/*
 * AI Website Assistant for Inkline Connect — frontend styles.
 *
 * Two surfaces share one visual language:
 *  - .iaa-assist  — the in-page widget (shortcode + Elementor)
 *  - .iaa-dock    — the site-wide docked bar
 *
 * All accents flow from --iaa-brand (set by the settings page) and
 * --iaa-font (the configured font stack).
 */

/* Custom properties are scoped to our two component roots, not :root,
 * so they cannot collide with — or leak into — anything else on the
 * host site. Everything inside the components inherits them. The PHP
 * enqueue writes its brand-colour override into the same scope. */
.iaa-assist,
.iaa-dock {
  /* Neutral fallback — overridden by the PHP enqueue when the admin
   * sets a brand colour in settings. */
  --iaa-brand: #2b2b2b;
  --iaa-brand-hover: #2b2b2b;
  --iaa-font: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --iaa-bg: #ffffff;
  --iaa-bg-soft: #FBFBF8;
  --iaa-fg: #1f1f1c;
  --iaa-fg-muted: #4f4f4a;
  --iaa-fg-subtle: #8a8a82;
  --iaa-border: #d8d6cf;
  --iaa-border-strong: #babab0;
  --iaa-radius-pill: 9999px;
  --iaa-shadow-lift: 0 4px 14px rgba(20, 22, 18, 0.18), 0 20px 52px rgba(20, 22, 18, 0.36);
}

/* ---------------------------------------------------------------- */
/* Theme-reset — block themes from overriding our component shape.   */
/* We use two-class selectors throughout (.iaa-dock .iaa-dock__send  */
/* etc.) so we keep specificity above the typical theme button rule  */
/* without resorting to !important. Resets undo common theme styles  */
/* (auto width on buttons, border radius, padding, line-height,      */
/* appearance) so our explicit dimensions actually take effect.      */
/* ---------------------------------------------------------------- */

.iaa-assist *,
.iaa-assist *::before,
.iaa-assist *::after,
.iaa-dock *,
.iaa-dock *::before,
.iaa-dock *::after { box-sizing: border-box; }

.iaa-assist .iaa-assist__bar,
.iaa-dock .iaa-dock__bar {
  margin: 0;
  font-family: var(--iaa-font);
}

.iaa-assist .iaa-assist__input,
.iaa-dock .iaa-dock__input {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  border: 0;
  background: none;
  box-shadow: none;
  outline: none;
  font: inherit;
  line-height: 1.4;
  color: var(--iaa-fg);
  border-radius: 0;
  min-height: 0;
}
.iaa-assist .iaa-assist__input:focus,
.iaa-dock .iaa-dock__input:focus { box-shadow: none; outline: none; }

.iaa-assist .iaa-assist__send,
.iaa-dock .iaa-dock__send,
.iaa-dock .iaa-dock__dismiss,
.iaa-assist .iaa-assist__chip {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  font-family: var(--iaa-font);
  font-weight: inherit;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  text-shadow: none;
  text-decoration: none;
}

/* Lock the send-button and dismiss-chip shapes with two-class
 * specificity so a theme's generic button rule cannot squash them. */
.iaa-assist .iaa-assist__send {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--iaa-brand);
  color: #ffffff;
  box-shadow: none;
}
.iaa-dock .iaa-dock__send {
  width: 58px;
  height: 58px;
  min-width: 58px;
  min-height: 58px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--iaa-brand);
  color: #ffffff;
  box-shadow: none;
}
.iaa-dock .iaa-dock__dismiss {
  width: 26px;
  height: 26px;
  min-width: 26px;
  min-height: 26px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  /* Sit at the bar's top-left corner, half on the rounded edge. */
  top: -2px;
  left: -2px;
  right: auto;
}
.iaa-assist .iaa-assist__chip {
  border-radius: 9999px;
  padding: 7px 14px;
}

/* ---------------------------------------------------------------- */
/* In-page assistant                                                 */
/* ---------------------------------------------------------------- */

.iaa-assist {
  font-family: var(--iaa-font);
  color: var(--iaa-fg);
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--iaa-bg);
  border: 1px solid var(--iaa-border);
  border-radius: 18px;
  padding: clamp(20px, 3.5vw, 36px);
  box-sizing: border-box;
}
.iaa-assist--bare {
  background: none;
  border: 0;
  padding: 0;
}
.iaa-assist--center { align-items: center; text-align: center; }
.iaa-assist--center .iaa-assist__head { align-items: center; }
.iaa-assist--center .iaa-assist__suggest {
  flex-direction: column;
  gap: 8px;
}
.iaa-assist--center .iaa-assist__chips { justify-content: center; }

.iaa-assist__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 44rem;
}
.iaa-assist__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--iaa-font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iaa-brand);
}
.iaa-assist__eyebrow-glyph { font-size: 13px; line-height: 1; }
.iaa-assist__title {
  margin: 0;
  font-family: var(--iaa-font);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.18;
  color: var(--iaa-fg);
}
.iaa-assist__sub {
  margin: 0;
  font-size: 16px;
  color: var(--iaa-fg-muted);
  max-width: 40rem;
}

/* Conversational input bar — shared between the in-page and the dock. */
.iaa-assist__bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  width: 100%;
  max-width: 44rem;
  background: var(--iaa-bg-soft);
  border: 1.5px solid var(--iaa-border-strong);
  border-radius: var(--iaa-radius-pill);
  padding: 8px 8px 8px 18px;
  box-sizing: border-box;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.iaa-assist__bar:focus-within {
  border-color: var(--iaa-brand);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--iaa-brand) 18%, transparent);
}
.iaa-assist__icon {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  color: var(--iaa-brand);
  transition: opacity 0.2s ease;
}
.iaa-assist__icon svg,
.iaa-assist__eyebrow-glyph {
  display: block;
  width: auto;
  height: 1em;
}
.iaa-assist__input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: none;
  padding: 12px 0;
  font-family: var(--iaa-font);
  font-size: 16px;
  color: var(--iaa-fg);
  transition: opacity 0.2s ease;
}
.iaa-assist__input:focus { outline: none; }
.iaa-assist__input::placeholder { color: var(--iaa-fg-subtle); }
.iaa-assist__send {
  position: relative;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--iaa-brand);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease-in-out;
}
.iaa-assist__send:hover,
.iaa-assist__send:focus-visible {
  background: color-mix(in srgb, var(--iaa-brand) 78%, #000 22%);
  outline: none;
}

/* Suggestion chips. */
.iaa-assist__suggest {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}
.iaa-assist__suggest-label {
  font-family: var(--iaa-font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iaa-fg-subtle);
}
.iaa-assist__chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.iaa-assist__chip {
  font-family: var(--iaa-font);
  font-size: 13px;
  color: var(--iaa-fg);
  background: #F3F0E9;
  border: 1px solid var(--iaa-border);
  border-radius: var(--iaa-radius-pill);
  padding: 7px 14px;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.iaa-assist__chip:hover {
  background: color-mix(in srgb, var(--iaa-brand) 14%, #ffffff);
  border-color: var(--iaa-brand);
  color: var(--iaa-brand);
}

/* Hint nudge after a chip is picked. */
@keyframes iaa-send-nudge {
  0%, 58%, 100% { transform: translateX(0); }
  70% { transform: translateX(-2px); }
  82% { transform: translateX(4px); }
  91% { transform: translateX(-1px); }
}
.iaa-assist__send.is-hinting svg {
  animation: iaa-send-nudge 1.4s ease-in-out infinite;
}

/* ---------------------------------------------------------------- */
/* Docked assistant                                                  */
/* ---------------------------------------------------------------- */

.iaa-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2147483600; /* sit above most themes/widgets, below modals. */
  display: flex;
  justify-content: center;
  /* Bottom padding tuned so the 58px send lands 20px off the bottom
     edge, in line with the corner chat-widget button. */
  padding: 16px 16px 11px;
  pointer-events: none;
  font-family: var(--iaa-font);
  transform: translateY(140%);
  transition: transform 440ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.iaa-dock--visible { transform: translateY(0); }

.iaa-dock__shell {
  position: relative;
  width: min(40rem, 100%);
  display: flex;
  justify-content: center;
}

.iaa-dock__bar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  height: 76px;
  width: 100%;
  overflow: hidden;
  background: var(--iaa-bg);
  border: 1.5px solid var(--iaa-border-strong);
  border-radius: var(--iaa-radius-pill);
  padding: 7px 7px 7px 18px;
  box-sizing: border-box;
  box-shadow: var(--iaa-shadow-lift);
  transition: width 0.44s cubic-bezier(0.65, 0, 0.35, 1),
    padding 0.44s cubic-bezier(0.65, 0, 0.35, 1),
    gap 0.44s cubic-bezier(0.65, 0, 0.35, 1),
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}
.iaa-dock__bar:focus-within {
  border-color: var(--iaa-brand);
  box-shadow: var(--iaa-shadow-lift),
    0 0 0 4px color-mix(in srgb, var(--iaa-brand) 22%, transparent);
}
.iaa-dock__icon {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  /* The fa-sparkles glyph is drawn top-heavy; nudge it down 2px so its
   * visual centre lines up with the submit button. */
  transform: translateY(2px);
  color: var(--iaa-brand);
  transition: opacity 0.2s ease;
}
.iaa-dock__icon svg {
  display: block;
  width: auto;
  height: 1em;
}
.iaa-dock__input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: none;
  padding: 11px 0;
  font-family: var(--iaa-font);
  font-size: 16px;
  color: var(--iaa-fg);
  transition: opacity 0.2s ease;
}
.iaa-dock__input:focus { outline: none; }
.iaa-dock__input::placeholder { color: var(--iaa-fg-subtle); }
.iaa-dock__send {
  position: relative;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 50%;
  background: var(--iaa-brand);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease-in-out;
}
.iaa-dock__send:hover {
  background: color-mix(in srgb, var(--iaa-brand) 78%, #000 22%);
}
.iaa-dock__send-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease;
}
.iaa-dock__send-icon--close { opacity: 0; }

/* Collapsed — folds to a circle around the button while chat is open. */
.iaa-dock--collapsed .iaa-dock__bar {
  width: 76px;
  padding-left: 7px;
  gap: 0;
}
.iaa-dock--collapsed .iaa-dock__icon,
.iaa-dock--collapsed .iaa-dock__input {
  opacity: 0;
  pointer-events: none;
}
.iaa-dock--collapsed .iaa-dock__send-icon--send { opacity: 0; }
.iaa-dock--collapsed .iaa-dock__send-icon--close { opacity: 1; }

/* Dismiss chip — fades in on hover; click hides the dock site-wide. */
.iaa-dock__dismiss {
  position: absolute;
  /* Sit at the bar's top-left corner, straddling the rounded edge —
   * half the chip sits over the bar, half outside it. Locked to the
   * left in the two-class rule above so theme button rules can't
   * undo this. */
  top: -2px;
  left: -2px;
  right: auto;
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 50%;
  background: rgba(20, 22, 18, 0.55);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(20, 22, 18, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease, background 0.15s ease;
}
.iaa-dock--hint .iaa-dock__dismiss {
  opacity: 1;
  pointer-events: auto;
}
.iaa-dock__dismiss:hover { background: rgba(20, 22, 18, 0.82); }
.iaa-dock--collapsed .iaa-dock__dismiss { display: none; }

/* Narrow viewports — clear the corner chat-widget button. */
@media (max-width: 52rem) {
  .iaa-dock { padding-right: 90px; }
}

@media (prefers-reduced-motion: reduce) {
  .iaa-dock,
  .iaa-dock__bar,
  .iaa-dock__icon,
  .iaa-dock__input,
  .iaa-dock__send,
  .iaa-dock__send-icon,
  .iaa-dock__dismiss,
  .iaa-assist__bar,
  .iaa-assist__icon,
  .iaa-assist__input,
  .iaa-assist__send,
  .iaa-assist__chip { transition: none; }
  .iaa-assist__send.is-hinting svg { animation: none; }
}