/* ================================================================
   Spanidea AI Chatbot — Chat Widget Styles
   ================================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --span-blue: #0D2E6E;
  --span-blue-dark: #091F4E;
  --span-blue-light: #1A4BA0;
  --span-blue-accent: #2563EB;
  --span-bg: #FFFFFF;
  --span-bg2: #F4F7FB;
  --span-bg3: #EAF0FA;
  --span-gray: #E2E8F0;
  --span-muted: #6B7280;
  --span-text: #0D2E6E;
  --span-text2: #374151;
  --span-border: rgba(13,46,110,0.12);
  --span-bubble-user: #0D2E6E;
  --span-bubble-bot: #F4F7FB;
  --span-radius: 16px;
  --span-radius-sm: 10px;
  --span-font: 'Sora', sans-serif;
  --span-font-body: 'DM Sans', sans-serif;
}

/* ── Floating toggle button ─────────────────────────────────────── */
#spanidea-chat-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: var(--span-blue);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(13, 46, 110, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

#spanidea-chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 35px rgba(13, 46, 110, 0.4);
}

#spanidea-chat-toggle.spanidea-toggle-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.6);
}

/* ── Chat window ────────────────────────────────────────────────── */
#spanidea-chat-window {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100000;
  width: 400px;
  height: 620px; /* Taller widget for the rich layout */
  border-radius: var(--span-radius);
  background: var(--span-bg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: var(--span-font-body);
  color: var(--span-text2);
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform-origin: bottom right;
}

#spanidea-chat-window * {
  box-sizing: border-box;
}

#spanidea-chat-window.spanidea-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.85) translateY(20px);
}

#spanidea-chat-window.spanidea-visible {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1) translateY(0);
}

/* HEADER */
.spanidea-header {
  background: var(--span-blue);
  border-bottom: 1px solid var(--span-border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  position: relative;
}

.spanidea-header-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--span-font);
  font-weight: 700;
  font-size: 16px;
  color: var(--span-blue);
  flex-shrink: 0;
}

.spanidea-header-info { flex: 1; }

.spanidea-header-name {
  font-family: var(--span-font);
  font-weight: 600;
  font-size: 15px;
  color: #ffffff;
  line-height: 1.2;
}

.spanidea-header-sub {
  font-size: 11.5px;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}

.spanidea-status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(34,197,94,0.6);
  animation: spanidea-pulse 2s ease-in-out infinite;
}

@keyframes spanidea-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

#spanidea-chat-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  opacity: 0.8;
  transition: opacity 0.2s;
  position: absolute;
  top: 18px;
  right: 18px;
}

#spanidea-chat-close:hover { opacity: 1; }

/* QUICK TOPICS */
.spanidea-topics-bar {
  background: var(--span-bg2);
  border-bottom: 1px solid var(--span-border);
  padding: 10px 20px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}
.spanidea-topics-bar::-webkit-scrollbar { display: none; }

.spanidea-topic-pill {
  background: #fff;
  border: 1px solid var(--span-border);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--span-blue);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  font-family: var(--span-font-body);
}
.spanidea-topic-pill:hover {
  background: var(--span-blue) !important;
  color: #fff !important;
  border-color: var(--span-blue) !important;
}

/* MESSAGES */
.spanidea-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--span-gray) rgba(255,255,255,0);
  background: var(--span-bg);
}
.spanidea-messages::-webkit-scrollbar { width: 5px; }
.spanidea-messages::-webkit-scrollbar-track { background: transparent; }
.spanidea-messages::-webkit-scrollbar-thumb { background: var(--span-gray); border-radius: 4px; }

/* Bubble row */
.spanidea-msg-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  animation: spanidea-fadeIn 0.3s ease;
}
.spanidea-msg-row.user { flex-direction: row-reverse; }

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

.spanidea-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--span-font);
}
.spanidea-avatar.bot { background: var(--span-blue); color: #fff; }
.spanidea-avatar.user { background: var(--span-blue-light); color: #fff; }

.spanidea-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: var(--span-radius);
  font-size: 14px;
  line-height: 1.65;
  font-family: var(--span-font-body);
  word-wrap: break-word;
}
.spanidea-bubble p { margin: 0 0 6px 0; }
.spanidea-bubble p:last-child { margin-bottom: 0; }
.spanidea-bubble.bot {
  background: var(--span-bubble-bot);
  border: 1px solid var(--span-border);
  color: var(--span-text2);
  border-bottom-left-radius: 4px;
}
.spanidea-bubble.user {
  background: var(--span-bubble-user);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.spanidea-bubble strong { font-weight: 600; color: var(--span-blue); }
.spanidea-bubble.user strong { color: rgba(255,255,255,0.9); }

.spanidea-bubble ul { padding-left: 18px; margin-top: 6px; }
.spanidea-bubble ul li { margin-bottom: 4px; }

.spanidea-bubble a { color: var(--span-blue-accent); text-decoration: none; }
.spanidea-bubble a:hover { text-decoration: underline; }

/* Typing indicator */
.spanidea-typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 6px;
}
.spanidea-typing-indicator span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--span-blue);
  animation: spanidea-bounce 1.2s infinite;
  opacity: 0.6;
}
.spanidea-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.spanidea-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes spanidea-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.6; }
  40% { transform: translateY(-6px); opacity: 1; }
}

/* WELCOME card */
.spanidea-welcome-card {
  background: var(--span-bg3);
  border: 1px solid var(--span-border);
  border-radius: var(--span-radius);
  padding: 20px;
  margin-bottom: 4px;
}
.spanidea-welcome-card .wc-title {
  font-family: var(--span-font);
  font-size: 17px;
  font-weight: 600;
  color: var(--span-blue);
  margin-bottom: 6px;
}
.spanidea-welcome-card .wc-sub {
  font-size: 13px;
  color: var(--span-text2);
  line-height: 1.6;
}
.spanidea-welcome-card .wc-orange {
  color: var(--span-blue-accent);
  font-weight: 500;
}

/* INPUT */
.spanidea-input-area {
  background: var(--span-bg2);
  border-top: 1px solid var(--span-border);
  padding: 16px 20px;
  flex-shrink: 0;
}

.spanidea-input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.spanidea-input-box {
  flex: 1;
  background: #fff;
  border: 1px solid var(--span-border);
  border-radius: var(--span-radius-sm);
  padding: 11px 16px;
  color: var(--span-text2);
  font-family: var(--span-font-body);
  font-size: 14px;
  resize: none;
  outline: none;
  max-height: 120px;
  transition: border-color 0.2s;
  line-height: 1.5;
}
.spanidea-input-box:focus { border-color: var(--span-blue); }
.spanidea-input-box::placeholder { color: var(--span-muted); }

.spanidea-send-btn {
  width: 42px; height: 42px;
  border-radius: var(--span-radius-sm);
  background: var(--span-blue);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.1s;
}
.spanidea-send-btn:hover { background: var(--span-blue-light); }
.spanidea-send-btn:active { transform: scale(0.95); }
.spanidea-send-btn svg { width: 18px; height: 18px; fill: #fff; }
.spanidea-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.spanidea-input-hint {
  font-size: 11px;
  color: var(--span-muted);
  margin-top: 8px;
  text-align: center;
}

.spanidea-powered-by {
  font-size: 11px;
  color: var(--span-muted);
  text-align: center;
  margin-top: 4px;
}
.spanidea-powered-by span { color: var(--span-blue); }

/* Error */
.spanidea-error-bubble {
  background: rgba(13,46,110,0.06);
  border: 1px solid rgba(13,46,110,0.2);
  border-radius: var(--span-radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--span-blue);
}

/* ── Mobile responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  #spanidea-chat-window {
    width: calc(100vw - 16px);
    height: calc(100vh - 80px);
    bottom: 8px;
    right: 8px;
    border-radius: 12px;
  }
}