/* ============================================================
   Golosia Chatbot Widget
   Self-contained styles. Reuses design tokens from style.css.
   Never hardcodes brand colors — always via CSS custom properties.
   ============================================================ */

:root {
  --chat-z: 9500;
  --chat-width: 380px;
  --chat-height: 560px;
  --chat-radius: var(--radius-lg);
}

/* ---- Root container (fixed, bottom-right) ---- */
.golosia-chat {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: var(--chat-z);
  font-family: var(--font-body);
  color: var(--color-text);
}

/* ---- Launcher bubble ---- */
.golosia-chat__launcher {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  background: var(--color-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  transition: transform var(--duration-xs) var(--ease),
    box-shadow var(--duration-xs) var(--ease);
}

.golosia-chat__launcher:hover {
  transform: scale(1.06);
  box-shadow: var(--shadow-xl);
}

.golosia-chat__launcher:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 3px;
}

.golosia-chat__launcher img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--color-text-inv);
}

/* Hidden helper */
.golosia-chat [hidden],
.golosia-chat__panel[hidden],
.golosia-chat__launcher[hidden] {
  display: none !important;
}

/* ---- Panel ---- */
.golosia-chat__panel {
  width: var(--chat-width);
  max-width: calc(100vw - var(--space-6));
  height: var(--chat-height);
  max-height: calc(100vh - var(--space-8));
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--chat-radius);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  animation: golosia-pop var(--duration-sm) var(--ease-out);
}

@keyframes golosia-pop {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---- Header ---- */
.golosia-chat__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inv);
}

.golosia-chat__header-logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--color-text-inv);
  flex: none;
}

.golosia-chat__header-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
}

.golosia-chat__header-spacer { flex: 1 1 auto; }

.golosia-chat__minimize {
  background: transparent;
  border: none;
  color: var(--color-text-inv);
  cursor: pointer;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-xs) var(--ease);
}

.golosia-chat__minimize:hover { background: rgba(255, 255, 255, 0.18); }
.golosia-chat__minimize:focus-visible {
  outline: 2px solid var(--color-text-inv);
  outline-offset: 2px;
}

/* ---- Persistent AI disclaimer (EU AI Act, Art. 50) ---- */
.golosia-chat__aidisclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  background: var(--color-bg-cream);
  border-bottom: 1px solid var(--color-border);
  padding: 6px var(--space-4);
  text-align: center;
  letter-spacing: 0.01em;
}

/* ---- Message log ---- */
.golosia-chat__log {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-bg);
  scroll-behavior: smooth;
}

/* Empty state / welcome */
.golosia-chat__welcome {
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--chat-radius);
  padding: var(--space-4);
}

/* Message bubbles */
.golosia-chat__msg {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--chat-radius);
  font-size: var(--text-sm);
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

.golosia-chat__msg--user {
  align-self: flex-end;
  background: var(--color-primary-dark);
  color: var(--color-text-inv);
  border-bottom-right-radius: var(--radius-sm);
}

.golosia-chat__msg--bot {
  align-self: flex-start;
  background: var(--color-bg-cream);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: var(--radius-sm);
}

.golosia-chat__msg--error {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

/* Typing indicator */
.golosia-chat__typing {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-light);
  padding: var(--space-2) var(--space-3);
}

.golosia-chat__typing-dots {
  display: inline-flex;
  gap: 4px;
}

.golosia-chat__typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary-dark);
  animation: golosia-blink 1.2s infinite ease-in-out both;
}

.golosia-chat__typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.golosia-chat__typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes golosia-blink {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

/* ---- Input area ---- */
.golosia-chat__form {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.golosia-chat__input {
  flex: 1 1 auto;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: var(--chat-radius);
  padding: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-text);
  background: var(--color-bg);
  max-height: 96px;
  min-height: 42px;
}

.golosia-chat__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha);
}

.golosia-chat__send {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  background: var(--color-primary);
  color: var(--color-text-inv);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-xs) var(--ease),
    transform var(--duration-xs) var(--ease);
}

.golosia-chat__send:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.golosia-chat__send:focus-visible {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: 2px;
}

.golosia-chat__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.golosia-chat__send svg { width: 20px; height: 20px; }

/* Honeypot field — hidden off-screen (NOT display:none, so bots that skip
   hidden fields still fill it). Real users never see or focus it. */
.golosia-chat__hp {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ============================================================
   Responsive — mobile bottom sheet (< 900px)
   ============================================================ */
@media (max-width: 899px) {
  .golosia-chat {
    right: var(--space-4);
    bottom: var(--space-4);
  }

  .golosia-chat__panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100%;
    height: 80vh;
    max-height: 80vh;
    border-radius: var(--chat-radius) var(--chat-radius) 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    animation: golosia-sheet var(--duration-sm) var(--ease-out);
  }

  @keyframes golosia-sheet {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
  }
}

/* ============================================================
   Reduced motion — disable all widget animations
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .golosia-chat__panel,
  .golosia-chat__launcher,
  .golosia-chat__send,
  .golosia-chat__minimize,
  .golosia-chat__log {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .golosia-chat__typing-dots span {
    animation: none !important;
    opacity: 0.6;
  }
}