/* ============================================
   FLEXI ECOSYSTEM — CHAT UI v2 REBUILT
   Glassmorphism · Premium Dark · AI Chatbot
   "Every Step, Every Pixel" — Antigravity AG
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --red:          #C0392B;
  --red-light:    #E74C3C;
  --red-dark:     #96281B;
  --gold:         #E8B84B;
  --gold-lgt:     #F5D07A;
  --gold-dark:    #C9922A;

  --dark:         #0A0A0A;
  --dark-2:       #111111;
  --dark-3:       #1A1A1A;
  --dark-4:       #222222;
  --dark-5:       #2C2C2C;

  --text-main:    #F0EFE8;
  --text-sec:     #BDBDBD;
  --text-muted:   #757575;

  --border:       rgba(255,255,255,0.07);
  --border-gold:  rgba(232,184,75,0.28);
  --glass:        rgba(255,255,255,0.03);
  --glass-hov:    rgba(255,255,255,0.06);

  --radius-sm:    10px;
  --radius-md:    18px;
  --radius-lg:    26px;
  --ease:         cubic-bezier(0.16, 1, 0.3, 1);
  --transition:   all 0.4s var(--ease);
}

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

body.chat-mode {
  font-family: 'Be Vietnam Pro', sans-serif;
  background: var(--dark);
  color: var(--text-main);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Ambient Background ── */
body.chat-mode::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 30% 20%, rgba(192,57,43,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(232,184,75,0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── CHAT CONTAINER ── */
.chat-container {
  width: 100%;
  max-width: 760px;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--dark-2);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

/* Subtle gradient overlay at top */
.chat-container::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to bottom, rgba(192,57,43,0.04), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ── HEADER ── */
.chat-header {
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10;
  flex-shrink: 0;
}

.bot-profile {
  display: flex;
  align-items: center;
  gap: 14px;
}

.bot-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  padding: 2px;
  background: var(--dark-3);
  object-fit: cover;
  box-shadow: 0 0 16px rgba(232,184,75,0.2);
  transition: var(--transition);
}

.bot-avatar:hover {
  box-shadow: 0 0 24px rgba(232,184,75,0.4);
  transform: scale(1.05);
}

.bot-info h1 {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text-main);
}

.bot-status {
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.bot-status .dot {
  width: 7px;
  height: 7px;
  background: #2ecc71;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(46,204,113,0.7);
  animation: breathe 2.5s infinite;
  flex-shrink: 0;
}

@keyframes breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.75); }
}

.chat-brand {
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.12em;
  font-size: 13px;
  opacity: 0.25;
  text-transform: uppercase;
}

/* ── MESSAGES AREA ── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  z-index: 1;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb {
  background: var(--dark-5);
  border-radius: 10px;
}

/* ── MESSAGE BUBBLES ── */
.msg-row {
  display: flex;
  width: 100%;
  animation: msgSlideIn 0.45s var(--ease) forwards;
}

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

.msg-bot { justify-content: flex-start; }
.msg-user { justify-content: flex-end; }

.msg-bubble {
  max-width: 82%;
  padding: 13px 18px;
  border-radius: 20px;
  font-size: 14.5px;
  line-height: 1.65;
  word-break: break-word;
}

.msg-bot .msg-bubble {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-bottom-left-radius: 5px;
  color: var(--text-main);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.msg-user .msg-bubble {
  background: linear-gradient(135deg, #E8B84B 0%, #C9922A 100%);
  color: #0A0A0A;
  font-weight: 600;
  border-bottom-right-radius: 5px;
  box-shadow: 0 4px 20px rgba(232,184,75,0.25);
}

.msg-bubble strong {
  color: var(--gold);
  font-weight: 700;
}

.msg-user .msg-bubble strong {
  color: rgba(0,0,0,0.7);
}

/* ── TYPING INDICATOR ── */
.typing-indicator {
  display: flex;
  gap: 5px;
  padding: 4px 2px;
  align-items: center;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%           { transform: scale(1); opacity: 1; }
}

/* ── INPUT AREA ── */
.chat-input-area {
  padding: 16px 24px 28px;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  z-index: 10;
  min-height: 90px;
  flex-shrink: 0;
}

/* Option Buttons Grid */
.options-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.option-btn {
  background: var(--dark-3);
  border: 1px solid var(--border-gold);
  color: var(--gold);
  padding: 11px 20px;
  border-radius: 100px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: 'Be Vietnam Pro', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  animation: optionIn 0.4s var(--ease) forwards;
  opacity: 0;
  transform: translateX(16px) translateY(4px);
}

.option-btn:nth-child(2) { animation-delay: 0.08s; }
.option-btn:nth-child(3) { animation-delay: 0.16s; }
.option-btn:nth-child(4) { animation-delay: 0.24s; }

@keyframes optionIn {
  to { opacity: 1; transform: translateX(0) translateY(0); }
}

.option-btn:hover {
  background: rgba(232,184,75,0.12);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,184,75,0.18);
}

.option-btn:active {
  transform: translateY(0) scale(0.97);
}

/* Text Input Wrapper */
.text-input-wrapper {
  display: flex;
  gap: 12px;
  width: 100%;
  animation: inputReveal 0.4s var(--ease) forwards;
}

@keyframes inputReveal {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.text-input {
  flex: 1;
  background: var(--dark-3);
  border: 1px solid var(--border);
  padding: 14px 20px;
  border-radius: 100px;
  color: var(--text-main);
  font-size: 14px;
  font-family: 'Be Vietnam Pro', sans-serif;
  outline: none;
  transition: var(--transition);
}

.text-input:focus {
  border-color: var(--border-gold);
  background: var(--dark-4);
  box-shadow: 0 0 0 3px rgba(232,184,75,0.08);
}

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

/* Send Button */
.send-btn {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(192,57,43,0.35);
  flex-shrink: 0;
}

.send-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(192,57,43,0.55);
}

.send-btn:active { transform: scale(0.95); }

.send-btn svg {
  width: 18px;
  height: 18px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .chat-container {
    border: none;
    border-radius: 0;
  }

  .chat-header { padding: 12px 16px; }
  .chat-messages { padding: 18px 16px; gap: 14px; }
  .chat-input-area { padding: 12px 16px 20px; }

  .msg-bubble {
    max-width: 88%;
    font-size: 14px;
  }

  .option-btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .bot-info h1 { font-size: 14px; }
  .chat-brand { display: none; }
}

@media (max-width: 480px) {
  .chat-messages { padding: 14px 12px; }
  .chat-input-area { padding: 10px 12px 18px; }
}