/* ============================================================
   AI Chat Window — Dark Glass Aesthetic
   Drop this CSS into your stylesheet or <style> tag.
   Overrides Semantic UI defaults on #chat-window.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Syne:wght@400;600;700&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --chat-bg:           rgba(10, 12, 18, 0.92);
  --chat-surface:      rgba(255, 255, 255, 0.04);
  --chat-border:       rgba(255, 255, 255, 0.08);
  /*--chat-accent:       #6ee7b7;          /* emerald glow */
  --chat-accent:       #00c4ee;
  --chat-available:      rgba(56, 207, 26, 0.89);
  --chat-unavailable:    rgba(206, 17, 17, 0.89);
  --chat-accent-dim:   rgba(110, 231, 183, 0.15);
  --chat-user-bg:      rgba(110, 231, 183, 0.12);
  --chat-ai-bg:        rgba(255, 255, 255, 0.05);
  --chat-text:         #e2e8f0;
  --chat-text-muted:   #64748b;
  --chat-radius:       18px;
  --chat-font:         'Syne', sans-serif;
  --chat-mono:         'DM Mono', monospace;
  --chat-shadow:       0 32px 64px rgba(0, 0, 0, 0.6),
                       0 0 0 1px rgba(255, 255, 255, 0.06),
                       0 0 80px rgba(110, 231, 183, 0.06);
}

/* ── Window ────────────────────────────────────────────────── */
#chat-window.ui.segment {
  /* Reset Semantic UI */
  background:    var(--chat-bg) !important;
  border:        1px solid var(--chat-border) !important;
  border-radius: var(--chat-radius) !important;
  box-shadow:    var(--chat-shadow) !important;
  padding:       0 !important;
  margin:        0 !important;
  font-family:   var(--chat-font) !important;
  color:         var(--chat-text) !important;
  width:         480px !important;
  height:        620px !important;
  display:       flex;
  flex-direction: column !important;
  overflow:      hidden !important;

  /* Frosted glass backdrop */
  backdrop-filter:         blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;

  /* Slide-up entrance */
  animation: chatSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes chatSlideUp {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

#chat-window.hidden {
  display: none !important;
}

/* ── Header ────────────────────────────────────────────────── */
#chat-window .ui.header {
  display:         flex !important;
  align-items:     center !important;
  gap:             10px !important;
  padding:         16px 18px 14px !important;
  margin:          0 !important;
  font-family:     var(--chat-font) !important;
  font-size:       18px !important;
  font-weight:     700 !important;
  letter-spacing:  0.04em !important;
  text-transform:  uppercase !important;
  color:           var(--chat-text) !important;
  border-bottom:   1px solid var(--chat-border) !important;
  background:      rgba(255,255,255,0.02) !important;
  flex-shrink:     0 !important;
}

/* Pulsing status dot */
/* #chat-window .ui.header::before {
  content:       '';
  display:       inline-block;
  width:         7px;
  height:        7px;
  border-radius: 50%;
  background:    var(--chat-accent);
  box-shadow:    0 0 8px var(--chat-accent);
  animation:     pulse 2.4s ease-in-out infinite;
  flex-shrink:   0;
} */

.pulsating-dot-ok {
  content:       '';
  display:       inline-block;
  width:         7px;
  height:        7px;
  border-radius: 50%;
  background:    var(--chat-available);
  box-shadow:    0 0 8px var(--chat-accent);
  animation:     pulse 2.4s ease-in-out infinite;
  flex-shrink:   0;
}

.pulsating-dot-unavailable {
  content:       '';
  display:       inline-block;
  width:         7px;
  height:        7px;
  border-radius: 50%;
  background:    var(--chat-unavailable);
  box-shadow:    0 0 8px var(--chat-unavailable);
  animation:     pulse 2.4s ease-in-out infinite;
  flex-shrink:   0;
}

@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1);    }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

#chat-window .ui.header .chat.icon {
  display: none !important; /* replaced by ::before dot */
}

/* ── Close button ──────────────────────────────────────────── */
#close-chat.ui.mini.button {
  float:            none !important;
  margin-left:      auto !important;
  background:       transparent !important;
  border:           1px solid var(--chat-border) !important;
  color:            var(--chat-text-muted) !important;
  border-radius:    8px !important;
  padding:          4px 9px !important;
  font-size:        11px !important;
  font-family:      var(--chat-mono) !important;
  cursor:           pointer !important;
  transition:       all 0.2s ease !important;
  box-shadow:       none !important;
}

#close-chat.ui.mini.button:hover {
  background:   rgba(255, 255, 255, 0.08) !important;
  color:        var(--chat-text) !important;
  border-color: rgba(255, 255, 255, 0.18) !important;
}

/* ── Messages feed ─────────────────────────────────────────── */
#chat-messages.ui.feed {
  flex:         1 !important;
  height:       auto !important;
  overflow-y:   auto !important;
  padding:      16px 14px !important;
  margin:       0 !important;
  display:      flex !important;
  flex-direction: column !important;
  gap:          10px !important;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

#chat-messages.ui.feed::-webkit-scrollbar {
  width: 4px;
}
#chat-messages.ui.feed::-webkit-scrollbar-track {
  background: transparent;
}
#chat-messages.ui.feed::-webkit-scrollbar-thumb {
  background:    rgba(255,255,255,0.1);
  border-radius: 4px;
}

/* ── Individual message events ─────────────────────────────── */
#chat-messages .event {
  display:       flex !important;
  align-items:   flex-start !important;
  gap:           10px !important;
  animation:     msgFadeIn 0.25s ease both !important;
}

@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}

/* Icon bubble */
#chat-messages .event .label {
  flex-shrink:   0 !important;
  width:         30px !important;
  height:        30px !important;
  border-radius: 50% !important;
  display:       flex !important;
  align-items:   center !important;
  justify-content: center !important;
  background:    var(--chat-surface) !important;
  border:        1px solid var(--chat-border) !important;
  font-size:     14px !important;
}

/* User icon tint */
#chat-messages .event .label:has(.user.icon) {
  background:  var(--chat-user-bg) !important;
  border-color: rgba(110, 231, 183, 0.25) !important;
  color:        var(--chat-accent) !important;
}

/* AI icon tint */
#chat-messages .event .label:has(.robot.icon) {
  background:  var(--chat-ai-bg) !important;
  color:        #94a3b8 !important;
}

/* Message bubble */
#chat-messages .event .content {
  flex: 1 !important;
}

#chat-messages .event .content .summary {
  display:       inline-block !important;
  padding:       9px 13px !important;
  border-radius: 4px 14px 14px 14px !important;
  font-size:     18.5px !important;
  line-height:   1.55 !important;
  font-family:   var(--chat-font) !important;
  font-weight:   400 !important;
  background:    var(--chat-ai-bg) !important;
  border:        1px solid var(--chat-border) !important;
  color:         var(--chat-text) !important;
  word-break:    break-word !important;
  max-width:     100% !important;
}

#chat-messages .event .content .summary a {
  color:         var(--chat-accent) !important;
  text-decoration: underline !important;
}

/* User message bubble — aligned right */
#chat-messages .event:has(.user.icon) {
  flex-direction: row-reverse !important;
}

#chat-messages .event:has(.user.icon) .content .summary {
  background:    var(--chat-user-bg) !important;
  border-color:  rgba(110, 231, 183, 0.2) !important;
  border-radius: 14px 4px 14px 14px !important;
  color:         #d1fae5 !important;
}

/* Markdown content inside summaries */
#chat-messages .event .content .summary p  { margin: 0 0 6px; }
#chat-messages .event .content .summary p:last-child { margin-bottom: 0; }
#chat-messages .event .content .summary code {
  font-family:   var(--chat-mono);
  font-size:     14px;
  background:    rgba(0,0,0,0.3);
  padding:       1px 5px;
  border-radius: 4px;
  color:         var(--chat-accent);
}
#chat-messages .event .content .summary pre {
  background:    rgba(0,0,0,0.35);
  border:        1px solid var(--chat-border);
  border-radius: 8px;
  padding:       10px 12px;
  overflow-x:    auto;
  margin:        6px 0 0;
}
#chat-messages .event .content .summary pre code {
  background: transparent;
  padding:    0;
}

/* ── Typing indicator ──────────────────────────────────────── */
#chat-messages .event.typing .content .summary {
  display: flex !important;
  gap:     5px !important;
  padding: 12px 16px !important;
  align-items: center !important;
}

#chat-messages .event.typing .content .summary::after {
  content: '';
  display: flex;
}

/* Three dot bounce — add class="event typing" to the typing event div */
.chat-typing-dot {
  width:         6px;
  height:        6px;
  border-radius: 50%;
  background:    var(--chat-text-muted);
  animation:     typingBounce 1.2s ease-in-out infinite;
}
.chat-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0);    opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1;   }
}

/* ── Input area ────────────────────────────────────────────── */
#chat-window .ui.input {
  display:      flex !important;
  gap:          8px !important;
  padding:      12px 14px 14px !important;
  border-top:   1px solid var(--chat-border) !important;
  background:   rgba(255,255,255,0.02) !important;
  flex-shrink:  0 !important;
  width:        100% !important;
  box-sizing:   border-box !important;
}

#chat-input {
  flex:          1 !important;
  width:         auto !important;
  background:    var(--chat-surface) !important;
  border:        1px solid var(--chat-border) !important;
  border-radius: 10px !important;
  padding:       9px 13px !important;
  font-family:   var(--chat-font) !important;
  font-size:     16px !important;
  color:         var(--chat-text) !important;
  outline:       none !important;
  transition:    border-color 0.2s ease, box-shadow 0.2s ease !important;
}

#chat-input::placeholder {
  color: var(--chat-text-muted) !important;
}

#chat-input:focus {
  border-color: rgba(110, 231, 183, 0.4) !important;
  box-shadow:   0 0 0 3px rgba(110, 231, 183, 0.08) !important;
}

/* ── Send button ───────────────────────────────────────────── */
#send-chat.ui.button {
  width:         auto !important;
  padding:       9px 16px !important;
  background:    var(--chat-accent) !important;
  color:         #0a0c12 !important;
  border:        none !important;
  border-radius: 10px !important;
  font-family:   var(--chat-font) !important;
  font-size:     13px !important;
  font-weight:   700 !important;
  letter-spacing: 0.02em !important;
  cursor:        pointer !important;
  transition:    all 0.2s ease !important;
  box-shadow:    0 0 16px rgba(110, 231, 183, 0.25) !important;
  flex-shrink:   0 !important;
}

#send-chat.ui.button:hover {
  background:  #a7f3d0 !important;
  box-shadow:  0 0 24px rgba(110, 231, 183, 0.45) !important;
  transform:   translateY(-1px) !important;
}

#send-chat.ui.button:active {
  transform:  translateY(0) !important;
  box-shadow: 0 0 8px rgba(110, 231, 183, 0.2) !important;
}

/* ── Floating toggle button (optional, add to your HTML) ───── */
#chat-toggle {
  position:      fixed;
  bottom:        20px;
  right:         20px;
  width:         52px;
  height:        52px;
  border-radius: 50%;
  background:    var(--chat-accent);
  color:         #0a0c12;
  border:        none;
  cursor:        pointer;
  font-size:     20px;
  display:       flex;
  align-items:   center;
  justify-content: center;
  box-shadow:    0 8px 24px rgba(110, 231, 183, 0.4);
  transition:    all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index:       999;
}

#chat-toggle:hover {
  transform:  scale(1.1);
  box-shadow: 0 12px 32px rgba(110, 231, 183, 0.55);
}


/* Sticky chat button */
.chat-button {
  position: fixed;
  right: 20px;
  bottom: 60px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 1000;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.chat-button:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

.chat-button:active {
  transform: translateY(0);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}

.chat-button-icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

/* ── Mobile Responsive Styles ──────────────────────────────── */

/* Tablet and smaller screens */
@media (max-width: 768px) {
  #chat-window.ui.segment {
    width:         90vw !important;
    height:        70vh !important;
    max-width:     400px !important;
    max-height:    500px !important;
    bottom:        10px !important;
    right:         10px !important;
    left:          auto !important;
  }

  #chat-window .ui.header {
    padding:       12px 16px 10px !important;
    font-size:     16px !important;
  }

  #chat-messages.ui.feed {
    padding:      12px 10px !important;
    gap:          8px !important;
  }

  #chat-messages .event .label {
    width:         28px !important;
    height:        28px !important;
    font-size:     12px !important;
  }

  #chat-messages .event .content .summary {
    font-size:     14px !important;
    line-height:   1.4 !important;
  }

  #chat-window .ui.input {
    padding:       12px 14px !important;
  }

  #chat-input {
    font-size:     14px !important;
    padding:       8px 12px !important;
  }

  #send-chat.ui.button {
    padding:       8px 12px !important;
    font-size:     14px !important;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  #chat-window.ui.segment {
    width:         95vw !important;
    height:        80vh !important;
    max-width:     350px !important;
    max-height:    450px !important;
    bottom:        5px !important;
    right:         5px !important;
    left:          auto !important;
  }

  #chat-window .ui.header {
    padding:       10px 14px 8px !important;
    font-size:     14px !important;
    gap:           8px !important;
  }

  #chat-messages.ui.feed {
    padding:      10px 8px !important;
    gap:          6px !important;
  }

  #chat-messages .event .label {
    width:         24px !important;
    height:        24px !important;
    font-size:     10px !important;
  }

  #chat-messages .event .content .summary {
    font-size:     13px !important;
    line-height:   1.3 !important;
  }

  #chat-window .ui.input {
    padding:       10px 12px !important;
  }

  #chat-input {
    font-size:     13px !important;
    padding:       6px 10px !important;
  }

  #send-chat.ui.button {
    padding:       6px 10px !important;
    font-size:     13px !important;
  }

  #close-chat.ui.mini.button {
    padding:       3px 7px !important;
    font-size:     10px !important;
  }
}

/* Very small screens */
@media (max-width: 360px) {
  #chat-window.ui.segment {
    width:         98vw !important;
    height:        85vh !important;
    max-width:     320px !important;
    max-height:    400px !important;
    bottom:        2px !important;
    right:         2px !important;
    left:          auto !important;
  }

  #chat-window .ui.header {
    padding:       8px 12px 6px !important;
    font-size:     12px !important;
  }

  #chat-messages.ui.feed {
    padding:      8px 6px !important;
  }

  #chat-messages .event .content .summary {
    font-size:     12px !important;
  }

  #chat-input {
    font-size:     12px !important;
  }

  #send-chat.ui.button {
    font-size:     12px !important;
  }
}


/* Suggestions */

.suggestions-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.suggestion-btn {
  width: 100%;
  padding: 10px 14px;
  font-size: 16px;

  text-align: left;
  line-height: 1.4;

  border-radius: 10px;
  cursor: pointer;

  /* 🎯 Accent styling */
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border-secondary);
  color: var(--color-text-primary);

  transition: all 0.15s ease;
}

.suggestion-btn:hover {
  background: var(--color-accent-soft, rgba(0, 120, 255, 0.08));
  border-color: var(--color-accent, #0078ff);
  color: var(--color-accent, #0078ff);
}

.suggestion-btn:active {
  transform: scale(0.98);
}

.suggestions-container {
  margin-top: 8px;
  padding-left: 4px;
  border-left: 2px solid var(--color-accent, #0078ff);
}