/* ==========================================================================
   Mnet's World - Chat Widget Styles
   Floating chat bubble + expandable panel for visitor-to-admin messaging
   ========================================================================== */

/* ── Chat Bubble Button ─────────────────────────────────────────────────── */

.chat-widget__bubble {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-pink-500);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-pink), var(--shadow-lg);
  transition: transform var(--transition-spring), background var(--transition-base);
  z-index: var(--z-toast);
}

.chat-widget__bubble:hover {
  background: var(--color-pink-600);
  transform: scale(1.08);
}

.chat-widget__bubble svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

/* Unread badge */
.chat-widget__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-gold);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--fw-bold);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(197, 165, 90, 0.4);
}

.chat-widget__badge.visible {
  display: flex;
}

/* ── Chat Panel ─────────────────────────────────────────────────────────── */

.chat-widget__panel {
  position: fixed;
  bottom: 160px;
  right: 24px;
  width: 380px;
  max-height: 460px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  background: var(--color-white);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: var(--z-toast);
  animation: chatSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.chat-widget__panel.open {
  display: flex;
}

@keyframes chatSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── Panel Header ───────────────────────────────────────────────────────── */

.chat-widget__header {
  background: var(--color-pink-500);
  color: var(--color-white);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.chat-widget__header-info h3 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--fw-bold);
  margin: 0;
  line-height: 1.3;
}

.chat-widget__header-info p {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  margin: 2px 0 0;
  opacity: 0.85;
}

.chat-widget__close {
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.chat-widget__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.chat-widget__close svg {
  width: 18px;
  height: 18px;
}

/* ── Messages Area ──────────────────────────────────────────────────────── */

.chat-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  background: var(--color-cream);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 280px;
  max-height: 340px;
}

.chat-widget__messages::-webkit-scrollbar {
  width: 4px;
}

.chat-widget__messages::-webkit-scrollbar-thumb {
  background: var(--color-pink-200);
  border-radius: var(--radius-full);
}

/* Message bubbles */
.chat-widget__msg {
  max-width: 82%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  word-wrap: break-word;
}

.chat-widget__msg--visitor {
  align-self: flex-end;
  background: var(--color-pink-500);
  color: var(--color-white);
  border-radius: var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);
}

.chat-widget__msg--admin {
  align-self: flex-start;
  background: var(--color-white);
  color: var(--color-text);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 4px;
  border: 1px solid var(--color-cream-dark);
}

.chat-widget__msg-time {
  font-size: 10px;
  color: var(--color-text-muted);
  margin-top: 4px;
  display: block;
}

.chat-widget__msg--visitor .chat-widget__msg-time {
  color: rgba(255, 255, 255, 0.7);
  text-align: right;
}

/* Welcome message */
.chat-widget__welcome {
  align-self: flex-start;
  background: var(--color-white);
  color: var(--color-text);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 4px;
  border: 1px solid var(--color-cream-dark);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

/* Session closed notice */
.chat-widget__closed {
  text-align: center;
  padding: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-cream-dark);
  border-radius: var(--radius-md);
}

/* ── Input Area ─────────────────────────────────────────────────────────── */

.chat-widget__input-area {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-cream-dark);
  background: var(--color-white);
  flex-shrink: 0;
}

.chat-widget__input {
  flex: 1;
  border: 1px solid var(--color-cream-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  resize: none;
  outline: none;
  max-height: 80px;
  line-height: var(--leading-normal);
  transition: border-color var(--transition-fast);
}

.chat-widget__input:focus {
  border-color: var(--color-pink-400);
}

.chat-widget__input::placeholder {
  color: var(--color-text-muted);
}

.chat-widget__send {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-pink-500);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.chat-widget__send:hover {
  background: var(--color-pink-600);
  transform: scale(1.05);
}

.chat-widget__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.chat-widget__send svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ── Mobile: Full-screen Panel ──────────────────────────────────────────── */

@media (max-width: 480px) {
  .chat-widget__panel {
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-height: 100%;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
  }

  .chat-widget__messages {
    max-height: none;
    min-height: 0;
  }

  .chat-widget__bubble {
    bottom: 80px;
    right: 16px;
    width: 52px;
    height: 52px;
  }

  .chat-widget__bubble svg {
    width: 24px;
    height: 24px;
  }
}