/* ── Miami Resources — Design System ──────────────────────── */
:root {
  /* Miami civic palette — warm, trustworthy, not AI-slop */
  --coral: #E8634A;
  --teal: #007C7A;
  --teal-light: #D0F0EF;
  --sand: #FAF6F0;
  --white: #FFFFFF;
  --dark: #1A1A1A;
  --muted: #6B7280;
  --border: #E5E1DB;
  --crisis-red: #C42B2B;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--sand);
  color: var(--dark);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.header__accent {
  color: var(--teal);
}

.header__tagline {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}

.header__lang {
  display: flex;
  gap: 4px;
}

.lang-btn {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 10px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.lang-btn:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.lang-btn.active {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

/* ── Category Pills ──────────────────────────────────────── */
.categories {
  display: flex;
  gap: 8px;
  padding: 0.75rem 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.categories::-webkit-scrollbar {
  display: none;
}

.cat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--dark);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.cat-pill:hover {
  border-color: var(--teal);
  background: var(--teal-light);
}

.cat-pill:active {
  transform: scale(0.97);
}

.cat-pill--crisis {
  border-color: var(--crisis-red);
  color: var(--crisis-red);
}

.cat-pill--crisis:hover {
  background: #FDE8E8;
  border-color: var(--crisis-red);
}

.cat-pill__icon {
  font-size: 1rem;
  line-height: 1;
}

/* ── Chat Area ───────────────────────────────────────────── */
.chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.msg {
  display: flex;
  max-width: 88%;
  animation: msgIn 0.25s ease-out;
}

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

.msg--bot {
  align-self: flex-start;
}

.msg--user {
  align-self: flex-end;
}

.msg__bubble {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-word;
}

.msg--bot .msg__bubble {
  background: var(--white);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg--user .msg__bubble {
  background: var(--teal);
  color: var(--white);
  border-bottom-right-radius: 4px;
}

.msg__bubble p {
  margin-bottom: 0.5rem;
}

.msg__bubble p:last-child {
  margin-bottom: 0;
}

.msg__bubble strong {
  font-weight: 600;
}

.msg__bubble a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.msg--user .msg__bubble a {
  color: var(--teal-light);
}

/* Typing indicator */
.msg--typing .msg__bubble {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 0.75rem 1.25rem;
}

.typing-dot {
  width: 7px;
  height: 7px;
  background: var(--muted);
  border-radius: 50%;
  animation: typingBounce 1.2s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ── Chat Input ──────────────────────────────────────────── */
.chat__input {
  display: flex;
  gap: 8px;
  padding: 0.75rem 1.25rem;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.chat__field {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--sand);
  color: var(--dark);
  outline: none;
  transition: border-color 0.15s;
}

.chat__field:focus {
  border-color: var(--teal);
}

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

.chat__send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius);
  background: var(--teal);
  color: var(--white);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  flex-shrink: 0;
}

.chat__send:hover {
  background: #006664;
}

.chat__send:active {
  transform: scale(0.95);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: 0.5rem 1.25rem;
  background: var(--white);
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.7rem;
  color: var(--muted);
}

.footer a {
  color: var(--teal);
  text-decoration: none;
}

.footer strong {
  color: var(--crisis-red);
}

.footer__tech {
  margin-top: 2px;
  opacity: 0.7;
}

/* ── Desktop layout ──────────────────────────────────────── */
@media (min-width: 768px) {
  body {
    max-width: 520px;
    margin: 2rem auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    height: calc(100dvh - 4rem);
    overflow: hidden;
  }

  .header {
    border-radius: var(--radius) var(--radius) 0 0;
  }

  .footer {
    border-radius: 0 0 var(--radius) var(--radius);
  }
}

/* ── Utilities ───────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}