@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=DM+Serif+Display:ital@0;1&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand-primary: #6366f1;
  --brand-secondary: #8b5cf6;
  --radius: 20px;
}

html, body {
  width: 100%; height: 100%;
  font-family: 'DM Sans', sans-serif;
  background: #ffffff;
  overflow: hidden;
}

.app-bg { position: fixed; inset: 0; z-index: 0; background: #f8fafc; }

.chat-wrapper {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}

.chat-container {
  width: 100%; max-width: 100%; height: 100vh;
  display: flex; flex-direction: column;
  background: #ffffff;
  overflow: hidden;
  animation: containerIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes containerIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* HEADER */
.chat-header {
  padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  flex-shrink: 0;
}

.header-left { display: flex; align-items: center; gap: 10px; }

/* Avatar — fara border */
.avatar {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: #f8fafc;
  border: none;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.avatar img, .avatar svg { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }

.header-info h1 {
  font-size: 14px; font-weight: 600; color: #1e293b;
  letter-spacing: -0.01em; line-height: 1.2;
}

.status-dot-row { display: flex; align-items: center; gap: 5px; margin-top: 3px; }

.status-dot {
  width: 6px; height: 6px;
  background: #22c55e; border-radius: 50%;
  box-shadow: 0 0 5px #22c55e;
  animation: pulse 2s infinite; flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-text { font-size: 11px; color: #94a3b8; font-weight: 400; }

.header-right { flex-shrink: 0; }

#client-select {
  background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 99px;
  padding: 6px 12px; font-size: 12px; font-family: 'DM Sans', sans-serif;
  color: #475569; cursor: pointer; outline: none; max-width: 140px;
}
#client-select:hover { background: #f1f5f9; }
#client-select option { background: #ffffff; color: #1e293b; }

/* CHAT WINDOW */
.chat-window {
  flex: 1; overflow-y: auto;
  padding: 12px 10px 8px;
  display: flex; flex-direction: column; gap: 5px;
  scroll-behavior: smooth;
  background: #f8fafc;
}
.chat-window::-webkit-scrollbar { width: 4px; }
.chat-window::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 99px; }

/* DATE DIVIDER */
.chat-date-divider { display: flex; align-items: center; gap: 10px; margin: 2px 0 8px; }
.chat-date-divider::before, .chat-date-divider::after { content: ''; flex: 1; height: 1px; background: #e2e8f0; }
.chat-date-divider span { font-size: 10px; color: #94a3b8; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }

/* MESSAGE ROWS */
.message-row {
  display: flex; align-items: flex-end; gap: 6px;
  animation: msgIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.message-row.user { justify-content: flex-end; }
.message-row.assistant { justify-content: flex-start; }

/* MINI AVATAR in mesaje — fara border */
.msg-avatar {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: #f8fafc;
  border: none;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  margin-bottom: 2px;
}
.msg-avatar img, .msg-avatar svg { display: block; }

/* BUBBLES */
.message-bubble {
  max-width: 78%; padding: 10px 13px; border-radius: 16px;
  font-size: 13.5px; line-height: 1.55; white-space: pre-wrap; word-break: break-word;
}
.message-row.user .message-bubble {
  background: #9283BE; /* purple/violet */
  color: #fff; border-bottom-right-radius: 4px;
  box-shadow: 0 6px 22px rgba(146,131,190,0.22);
}
.message-row.assistant .message-bubble {
  background: #ffffff; color: #1e293b;
  border-bottom-left-radius: 4px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* TYPING */
.typing-row { display: flex; align-items: flex-end; gap: 6px; animation: msgIn 0.3s ease forwards; }
.typing-bubble {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 14px; border-radius: 16px; border-bottom-left-radius: 4px;
  background: #ffffff; border: 1px solid #e2e8f0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.typing-dot { width: 6px; height: 6px; border-radius: 50%; background: #94a3b8; animation: typingBounce 1.2s infinite ease-in-out; }
.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-4px); opacity: 1; }
}

/* INPUT AREA */
.chat-input-area { padding: 10px 12px 12px; border-top: 1px solid #e2e8f0; background: #ffffff; flex-shrink: 0; }
.chat-input-row {
  display: flex; align-items: center; gap: 8px;
  background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 14px;
  padding: 5px 5px 5px 14px; transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-input-row:focus-within {
  border-color: rgba(99,102,241,0.4);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.08);
  background: #ffffff;
}
#chat-input { flex: 1; background: none; border: none; outline: none; font-family: 'DM Sans', sans-serif; font-size: 13.5px; color: #1e293b; padding: 6px 0; }
#chat-input::placeholder { color: #94a3b8; }

#send-btn {
  width: 34px; height: 34px; border-radius: 10px; border: none;
  background: #9283BE;
  color: white; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  box-shadow: 0 4px 12px rgba(146,131,190,0.35);
}
#send-btn svg { stroke: white; }
#send-btn:hover { transform: scale(1.06); box-shadow: 0 6px 18px rgba(146,131,190,0.45); }
#send-btn:active { transform: scale(0.94); }
#send-btn:disabled { opacity: 0.45; cursor: default; transform: none; box-shadow: none; }

.powered-by { text-align: center; font-size: 10px; color: #cbd5e1; margin-top: 7px; }
.powered-by strong { color: #94a3b8; font-weight: 500; }