/* ============================================================
   AidLens — App Stylesheet (app.css)
   ============================================================ */

/* ── TOKENS ───────────────────────────────────────────────── */
:root {
  --forest:   #141414;
  --pine:     #202020;
  --moss:     #323232;
  --fern:     #4a4a4a;
  --sage:     #787878;
  --cream:    #f0efed;
  --parchment:#e2e1de;
  --gold:     #d0d0d0;
  --amber:    #ffffff;
  --sun:      #eeeeee;
  --charcoal: #0a0a0a;
  --ink:      #1c1c1c;
  --mist:     #909090;
  --white:    #ffffff;
  --radius:   14px;
  --shadow:   0 4px 24px rgba(0,0,0,0.18);
  --shadow-lg:0 12px 48px rgba(0,0,0,0.28);
}

/* ── RESET ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--ink);
  display: flex;
  flex-direction: column;
}

/* ── TOPBAR ───────────────────────────────────────────────── */
#topbar {
  background: var(--forest);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 62px;
  flex-shrink: 0;
  position: relative;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

#topbar .logo {
  display: flex;
  align-items: center;
  gap: 11px;
}

#topbar .logo-icon {
  width: 36px; height: 36px;
  background: rgba(8,8,8,0.95);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(255,255,255,0.2);
}

#topbar .logo-text {
  font-family: 'Lora', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

#topbar .logo-text span { color: var(--amber); }

#topbar .tagline {
  font-size: 0.78rem;
  color: var(--sage);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#topbar nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

#topbar nav button {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  color: var(--sage);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.82rem;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.2s;
}

#topbar nav button:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

#topbar .locate-btn {
  background: linear-gradient(135deg, var(--amber), var(--gold)) !important;
  border-color: transparent !important;
  color: var(--forest) !important;
  font-weight: 600 !important;
  display: flex;
  align-items: center;
  gap: 6px;
}

#topbar .locate-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,255,255,0.2);
}

/* ── MAIN LAYOUT ──────────────────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* ── MAP PANEL ────────────────────────────────────────────── */
#map-panel {
  flex: 1;
  position: relative;
}

#map {
  width: 100%;
  height: 100%;
}

/* Welcome card overlay */
#welcome-card {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 800;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 22px;
  max-width: 310px;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--amber);
  transition: opacity 0.4s, transform 0.4s;
}

#welcome-card.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
}

#welcome-card h2 {
  font-family: 'Lora', serif;
  font-size: 1.05rem;
  color: var(--forest);
  margin-bottom: 6px;
}

#welcome-card p {
  font-size: 0.83rem;
  color: var(--mist);
  line-height: 1.55;
}

#welcome-card .categories {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

#welcome-card .cat-tag {
  background: var(--parchment);
  border-radius: 20px;
  font-size: 0.74rem;
  padding: 4px 10px;
  color: var(--forest);
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

#welcome-card .cat-tag:hover {
  background: var(--forest);
  color: var(--amber);
}

/* Map result pins legend */
#map-legend {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 800;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  font-size: 0.78rem;
  color: var(--ink);
  display: none;
}

#map-legend.visible { display: block; }

#map-legend .legend-title {
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 8px;
  font-size: 0.8rem;
}

#map-legend .legend-count {
  color: var(--gold);
  font-size: 1rem;
  font-weight: 700;
}

/* ── CHAT PANEL ───────────────────────────────────────────── */
#chat-panel {
  width: 390px;
  flex-shrink: 0;
  background: var(--cream);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--parchment);
  box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  position: relative;
  z-index: 100;
}

/* Chat header */
#chat-header {
  background: var(--forest);
  padding: 18px 22px 16px;
  flex-shrink: 0;
}

#chat-header .ai-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.ai-avatar {
  width: 38px; height: 38px;
  background: rgba(155, 155, 155, 0.95);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  position: relative;
  flex-shrink: 0;
}

.ai-avatar::after {
  content: '';
  width: 10px; height: 10px;
  background: rgba(92, 92, 92, 0.95);
  border-radius: 50%;
  position: absolute;
  bottom: 1px; right: 1px;
  border: 2px solid var(--forest);
}

#chat-header .ai-name {
  font-family: 'Lora', serif;
  font-size: 1rem;
  color: var(--white);
  font-weight: 600;
}

#chat-header .ai-desc {
  font-size: 0.75rem;
  color: var(--sage);
  margin-top: 2px;
}

/* Messages area */
#messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
  align-content: flex-start;
}

.msg {
  flex-shrink: 0;
}

#messages::-webkit-scrollbar { width: 4px; }
#messages::-webkit-scrollbar-track { background: transparent; }
#messages::-webkit-scrollbar-thumb { background: var(--sage); border-radius: 2px; }

/* Message bubbles */
.msg {
  display: flex;
  gap: 10px;
  animation: msgIn 0.3s ease;
}

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

.msg.user { flex-direction: row-reverse; }

.msg-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  margin-top: 2px;
}

.msg.ai .msg-avatar {
  background: rgba(155, 155, 155, 0.95);
}

.msg.user .msg-avatar {
  background: rgba(155, 155, 155, 0.95);
  color: var(--forest);
  font-weight: 700;
}

.msg-bubble {
  max-width: 100%;
  padding: 11px 14px;
  border-radius: 14px;
  font-size: 0.87rem;
  line-height: 1.55;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.msg.ai .msg-bubble {
  background: var(--white);
  color: var(--ink);
  border-radius: 4px 14px 14px 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.msg.user .msg-bubble {
  background: var(--forest);
  color: var(--cream);
  border-radius: 14px 4px 14px 14px;
}

.msg-bubble strong {
  color: var(--gold);
  display: block;
  margin-bottom: 4px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.msg-bubble ul { margin-top: 8px; padding-left: 16px; }
.msg-bubble li { margin-bottom: 4px; }

/* Result cards inside AI messages */
.result-cards {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-card {
  background: var(--parchment);
  border-radius: 10px;
  padding: 10px 12px;
  border-left: 3px solid var(--amber);
  cursor: pointer;
  transition: all 0.2s;
}

.result-card:hover {
  background: var(--forest);
  color: var(--cream);
}

.result-card:hover .rc-name { color: var(--amber); }
.result-card:hover .rc-type { color: var(--sage); }

.rc-name {
  font-weight: 600;
  font-size: 0.83rem;
  color: var(--forest);
  margin-bottom: 2px;
}

.rc-type {
  font-size: 0.74rem;
  color: var(--mist);
}

.rc-dist {
  font-size: 0.72rem;
  color: var(--gold);
  margin-top: 3px;
  font-weight: 500;
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 10px;
}

.typing-indicator .msg-avatar {
  background: linear-gradient(135deg, var(--fern), var(--moss));
}

.typing-dots {
  background: var(--white);
  border-radius: 4px 14px 14px 14px;
  padding: 14px 16px;
  display: flex;
  gap: 5px;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.typing-dots span {
  width: 7px; height: 7px;
  background: var(--sage);
  border-radius: 50%;
  animation: bounce 1.2s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-6px); opacity: 1; }
}

/* Input area */
#chat-input-area {
  padding: 14px 16px;
  background: var(--white);
  border-top: 1px solid var(--parchment);
  flex-shrink: 0;
}

#chat-input-area .quick-prompts {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
}

#chat-input-area .quick-prompts::-webkit-scrollbar { display: none; }

.quick-btn {
  background: var(--parchment);
  border: none;
  border-radius: 20px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.73rem;
  padding: 5px 12px;
  color: var(--forest);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  font-weight: 500;
}

.quick-btn:hover {
  background: var(--forest);
  color: var(--amber);
}

#input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

#user-input {
  flex: 1;
  background: var(--parchment);
  border: 1.5px solid transparent;
  border-radius: 12px;
  padding: 11px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.87rem;
  color: var(--ink);
  resize: none;
  min-height: 44px;
  max-height: 110px;
  line-height: 1.4;
  transition: border-color 0.2s;
  outline: none;
}

#user-input:focus {
  border-color: var(--fern);
  background: var(--white);
}

#user-input::placeholder { color: var(--mist); }

#send-btn {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--moss), var(--forest));
  border: none;
  border-radius: 12px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
  box-shadow: 0 3px 10px rgba(0,0,0,0.28);
}

#send-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.32);
}

#send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

#send-btn svg { color: var(--amber); }

/* ── LOADING BAR ──────────────────────────────────────────── */
#loading-bar {
  position: fixed;
  top: 62px;
  left: 0; right: 0;
  height: 3px;
  background: var(--parchment);
  z-index: 2000;
  overflow: hidden;
  display: none;
}

#loading-bar.active { display: block; }

#loading-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--amber), var(--sun), var(--amber));
  animation: loadSlide 1.4s infinite;
}

@keyframes loadSlide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 768px) {
  #chat-panel {
    width: 100%;
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 55%;
    border-left: none;
    border-top: 1px solid var(--parchment);
  }

  #map-panel { height: 45%; }
  #main { flex-direction: column; }
}