/* National Assembly of Cameroon — chatbot styling
   Cameroon flag colors: green #007A5E, red #CE1126, yellow #FCD116 */
:root {
  --cm-green: #007A5E;
  --cm-green-dark: #005E48;
  --cm-red: #CE1126;
  --cm-yellow: #FCD116;
  --ink: #1a2420;
  --paper: #ffffff;
  --mist: #f2f5f3;
  --line: #dde5e0;
  --shadow: 0 6px 24px rgba(0, 40, 30, 0.10);
  --radius: 16px;
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

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

html, body {
  height: 100%;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--mist);
  -webkit-font-smoothing: antialiased;
}

/* ---------------- Header with the two presidents ---------------- */
.app-header {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cm-green-dark), var(--cm-green));
  color: #fff;
  padding: 0;
  box-shadow: var(--shadow);
}
.header-flag-strip {
  height: 5px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}
.header-flag-strip span:nth-child(1) { background: var(--cm-green); }
.header-flag-strip span:nth-child(2) { background: var(--cm-red); }
.header-flag-strip span:nth-child(3) { background: var(--cm-yellow); }

.header-portraits {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-height: 132px;
}
.portrait {
  width: 30%;
  max-width: 220px;
  background-size: cover;
  background-position: center top;
  position: relative;
  filter: saturate(1.02);
}
.portrait::after {
  content: attr(data-label);
  position: absolute;
  bottom: 0; left: 0; right: 0;
  font-size: 10px;
  line-height: 1.2;
  padding: 4px 6px;
  background: linear-gradient(transparent, rgba(0, 40, 30, 0.85));
  text-align: center;
}
.portrait.left { border-right: 3px solid var(--cm-yellow); }
.portrait.right { border-left: 3px solid var(--cm-yellow); }
.portrait.empty {
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: rgba(255,255,255,0.6); text-align: center;
}

.header-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px 10px;
  gap: 4px;
}
.header-crest {
  font-size: 26px;
  line-height: 1;
}
.header-title {
  font-family: var(--serif);
  font-size: clamp(15px, 4.2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.2px;
}
.header-sub {
  font-size: 11px;
  opacity: 0.85;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ---------------- Layout ---------------- */
.chat-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 820px;
  margin: 0 auto;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.audience-bar {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  background: var(--mist);
  border-bottom: 1px solid var(--line);
  align-items: center;
  flex-wrap: wrap;
}
.audience-bar .label { font-size: 12px; color: #5a6b63; margin-right: 2px; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}
.chip[aria-pressed="true"] {
  background: var(--cm-green);
  border-color: var(--cm-green);
  color: #fff;
}

/* ---------------- Messages ---------------- */
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.msg { display: flex; gap: 10px; max-width: 92%; }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg .avatar {
  width: 34px; height: 34px; flex: 0 0 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.msg.bot .avatar { background: var(--cm-green); color: #fff; }
.msg.user .avatar { background: var(--cm-red); color: #fff; }
.bubble {
  padding: 12px 15px;
  border-radius: 14px;
  font-size: 15px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg.bot .bubble { background: var(--mist); border-top-left-radius: 4px; }
.msg.user .bubble { background: var(--cm-green); color: #fff; border-top-right-radius: 4px; }

.references {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
}
.references .ref-title { font-weight: 600; color: #4a5a52; margin-bottom: 4px; }
.references a { color: var(--cm-green-dark); }
.references .ref-doc { color: #4a5a52; }

.bubble-actions { margin-top: 8px; display: flex; gap: 8px; }
.speak-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--cm-green-dark);
}
.speak-btn:hover { background: var(--mist); }
.speak-btn.playing { background: var(--cm-green); color: #fff; border-color: var(--cm-green); }

.suggested {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 4px 14px 12px;
}
.suggested .q {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  transition: border-color .15s;
}
.suggested .q:hover { border-color: var(--cm-green); }

.typing { display: inline-flex; gap: 4px; padding: 4px 0; }
.typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--cm-green);
  animation: bounce 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes bounce { 0%,60%,100%{transform:translateY(0);opacity:.5} 30%{transform:translateY(-6px);opacity:1} }

/* ---------------- Composer ---------------- */
.composer {
  border-top: 1px solid var(--line);
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  display: flex;
  gap: 8px;
  align-items: flex-end;
  background: #fff;
}
.composer textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 11px 14px;
  font-size: 15px;
  font-family: inherit;
  max-height: 130px;
  outline: none;
}
.composer textarea:focus { border-color: var(--cm-green); }
.icon-btn {
  flex: 0 0 46px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-size: 19px;
  display: flex; align-items: center; justify-content: center;
  transition: transform .1s, background .15s;
}
.icon-btn:active { transform: scale(0.94); }
.icon-btn.send { background: var(--cm-green); color: #fff; }
.icon-btn.mic { background: var(--mist); color: var(--cm-green-dark); border: 1px solid var(--line); }
.icon-btn.mic.recording { background: var(--cm-red); color: #fff; animation: pulse 1s infinite; }
.icon-btn.call { background: var(--cm-yellow); color: #4a3b00; }
.icon-btn.call.active { background: var(--cm-red); color: #fff; animation: pulse 1s infinite; }
.icon-btn:disabled { opacity: .4; cursor: not-allowed; }
@keyframes pulse { 0%,100%{box-shadow:0 0 0 0 rgba(206,17,38,.5)} 50%{box-shadow:0 0 0 8px rgba(206,17,38,0)} }

.footer-note {
  text-align: center;
  font-size: 11px;
  color: #8a9a92;
  padding: 6px;
  background: #fff;
}
.footer-note a { color: var(--cm-green-dark); text-decoration: none; }

.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 10px;
  font-size: 13px; z-index: 999; opacity: 0; transition: opacity .2s;
  max-width: 90%;
}
.toast.show { opacity: 1; }

@media (max-width: 560px) {
  .portrait { width: 26%; }
  .header-title { font-size: 15px; }
}