/* ==========================================
   MTERMS2026 AI Widget - Shared CSS
   ========================================== */

/* Floating Button */
.ai-toggle{
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #ffffff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
  z-index: 10000;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ai-toggle:hover{
  transform: scale(1.08);
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}
.ai-toggle-icon{
  width: 32px;
  height: 32px;
  object-fit: contain;
  pointer-events: none;
}

/* Chat Window */
.ai-window{
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 380px;
  max-width: calc(100vw - 40px);
  height: 480px;
  background: rgba(255,255,255,.85);  /* glass */
  backdrop-filter: blur(10px);        /* blur */
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Inter', sans-serif;
  transition: opacity 0.3s, transform 0.3s;
}
.ai-window.hidden{
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}

/* Header */
.ai-header{
  background: var(--brand, #1e5aa8);
  color: white;
  padding: 10px 14px;       /* slightly tighter */
  font-weight: 600;         /* softer */
  font-size: 0.9rem;        /* smaller header text */
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.ai-header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.ai-info-btn{
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.12);
  color: #ffffff;
  font-weight: 800;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.ai-info-btn:hover{
  background: rgba(255,255,255,0.18);
}
#ai-close-btn{
  background: transparent;
  border: none;
  color: white;
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}

/* Messages */
.ai-messages{
  flex: 1;
  padding: 12px;
  overflow-y: auto;
  background: var(--bg, #f6fbff);
}
.ai-msg{
  padding: 10px 12px;
  border-radius: 14px;
  margin: 8px 0;
  max-width: 85%;
  font-size: 0.85rem;        /* unified font size */
  line-height: 1.5;
  font-weight: 400;         /* ensure same weight */
  word-break: break-word;
  overflow-wrap: anywhere;
}
.ai-msg.bot{
  background: #eef3f9;
  align-self: flex-start;
  text-align: justify;          /* justified text */
  text-justify: inter-word;
}
.ai-msg.user{
  background: var(--brand, #1e5aa8);
  color: white;
  align-self: flex-end;
  margin-left: auto;
}

/* Quick replies */
.ai-quick{
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ai-quick-btn{
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  padding: 5px 9px;       /* slightly smaller */
  border-radius: 999px;
  font-size: 11px;        /* reduced */
  cursor: pointer;
  transition: all .18s ease;
}
.ai-quick-btn:hover{
  transform: translateY(-1px);
  filter: brightness(0.98);
}
.ai-quick-btn:hover{ filter: brightness(0.98); }

/* Input Area */
.ai-input-area{
  padding: 10px;
  border-top: 1px solid var(--border, #ddd);
  display: flex;
  gap: 10px;
  background: var(--surface, #fff);
}
#ai-input{
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border, #ccc);
  border-radius: 20px;
  outline: none;
}
#ai-send-btn{
  background: var(--brand, #1e5aa8);
  color: white;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
#ai-send-btn:hover{ background: var(--brand-2, #2f7bdc); }

/* Small link button inside chat */
.ai-link-btn{
  display:inline-block;
  background: var(--brand, #1e5aa8);
  color:#fff;
  padding:6px 12px;
  border-radius:999px;
  text-decoration:none;
  font-weight:700;
  font-size: 12px;
  margin-top: 8px;
}
.ai-link-btn:hover{ filter: brightness(1.05); }

/* Subtle fade-in for messages */
@keyframes aiFadeIn{
  from{
    opacity: 0;
    transform: translateY(6px);
  }
  to{
    opacity: 1;
    transform: translateY(0);
  }
}

.ai-msg{
  animation: aiFadeIn .22s ease forwards;
}

/* Typing indicator */
.ai-typing{
  display:inline-flex;
  gap:4px;
  align-items:center;
  padding: 6px 0;
}

.ai-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:#8fa7c6;
  animation: aiTyping 1.2s infinite ease-in-out;
}

.ai-dot:nth-child(2){ animation-delay:.15s; }
.ai-dot:nth-child(3){ animation-delay:.3s; }

@keyframes aiTyping{
  0%, 80%, 100%{ opacity:.3; transform: scale(.8); }
  40%{ opacity:1; transform: scale(1); }
}