/* --- 1. CORE VISUALS & RESET --- */
:root {
  --bg-app: #0b0f14;       
  --bg-panel: rgba(15, 22, 33, 0.65); 
  --bg-input: #0c121b;     
  --primary: #3b82f6;      
  --primary-hover: #2563eb;
  --text-main: #e6edf3;    
  --text-dim: #9fb0c3;     
  --border: #1f2a3a;       
  --success: #10b981;      
  --danger: #ef4444;       
  --shadow: 0 10px 30px rgba(0,0,0,0.5);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0; padding: 0;
  background: 
    radial-gradient(1200px 800px at 20% 10%, rgba(106,169,255,.12), transparent 50%),
    radial-gradient(1000px 700px at 80% 40%, rgba(126,231,135,.08), transparent 55%),
    var(--bg-app);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 16px; 
  padding-bottom: 80px; 
}

/* --- 2. LAYOUT --- */
.app-wrapper {
  max-width: 100%; padding: 10px;
  display: flex; flex-direction: column; gap: 15px;
}

/* --- 3. PANELS --- */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  border-radius: 12px; padding: 15px;
  box-shadow: var(--shadow);
}

h2, h3 { 
  margin: 0 0 12px 0; font-size: 0.85rem; text-transform: uppercase; 
  letter-spacing: 1px; color: var(--text-dim); border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

/* --- 4. HEADER --- */
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 15px; background: rgba(15,22,33,0.8);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50; border-radius: 8px;
}
.brand { font-size: 1.2rem; font-weight: 800; color: var(--text-main); }
.brand span { color: var(--primary); font-weight: 300; }

.nav-btn { 
  background: none; border: none; color: var(--text-dim); 
  font-size: 0.9rem; cursor: pointer; padding: 5px 8px; transition: color 0.2s;
}
.nav-btn:hover { color: var(--text-main); }
.nav-btn.active { color: var(--primary); font-weight: 700; border-bottom: 2px solid var(--primary); }

/* --- 5. INPUTS --- */
input, textarea {
  width: 100%; background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text-main); border-radius: 8px; padding: 12px;
  font-family: 'JetBrains Mono', monospace; font-size: 14px; outline: none;
  transition: border-color 0.2s;
}
input:focus, textarea:focus { border-color: var(--primary); }
textarea { min-height: 120px; resize: vertical; margin-bottom: 12px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }

button {
  padding: 12px; border-radius: 8px; border: none;
  font-weight: 600; font-size: 0.9rem; cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
}
button:active { transform: scale(0.98); opacity: 0.9; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: white; width: 100%; }
.btn-secondary { background: rgba(59, 130, 246, 0.15); border: 1px solid var(--primary); color: var(--primary); width: 100%; }
.btn-neutral { background: var(--bg-input); border: 1px solid var(--border); color: var(--text-dim); width: 100%; }

.btn-mode { background: var(--bg-input); border: 1px solid var(--border); color: var(--text-dim); }
.btn-mode.active { background: var(--primary); color: white; border-color: var(--primary); }

.options { display: flex; gap: 15px; margin-top: 10px; color: var(--text-dim); font-size: 0.85rem; }
label { display: flex; align-items: center; gap: 6px; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }

/* --- 6. LIBRARY TREE --- */
.library-box {
  max-height: 180px; overflow-y: auto;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 8px; padding: 5px; margin-bottom: 12px;
}
.tree-header { padding: 6px 8px; cursor: pointer; color: var(--text-dim); font-size: 0.9rem; }
.tree-header:hover { color: var(--text-main); }
.tree-group { padding-left: 12px; display: none; border-left: 1px solid var(--border); }
.tree-group.open { display: block; }
.tree-item { display: block; padding: 6px 8px; color: var(--text-main); cursor: pointer; font-size: 0.85rem; }
.tree-item:active, .tree-item:hover { background: rgba(255,255,255,0.05); color: var(--primary); border-radius: 4px; }

/* --- 7. MAP & RESULTS --- */
.stats { display: flex; justify-content: space-between; margin-bottom: 12px; font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; }
.val { color: white; font-weight: 700; }
.saved { color: var(--success); }

#mapContainer {
  height: 250px; background: #121b28; border-radius: 8px;
  overflow: hidden; position: relative; margin-bottom: 12px; border: 1px solid var(--border);
}
#mapPlaceholder {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; color: var(--text-dim);
}
#map { width: 100%; height: 100%; }

#routeList {
  list-style: none; padding: 0; margin: 0; color: var(--text-dim); font-size: 0.9rem;
  max-height: 150px; overflow-y: auto;
  border-top: 1px solid var(--border);
}
/* Updated List Items for Clickability */
#routeList li { border-bottom: 1px solid var(--border); }
#routeList a {
  display: block;
  padding: 8px 4px;
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.2s;
}
#routeList a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--primary);
  padding-left: 8px; /* Slide effect */
}
#routeList a small {
  display: block;
  font-size: 0.7rem;
  color: #64748b;
  margin-top: 2px;
}

/* --- 8. LINK ROWS & NAV TOGGLE --- */
.nav-controls {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
  padding: 0 4px;
  font-size: 0.8rem; color: var(--text-dim);
}
.nav-toggle label {
  cursor: pointer; margin-left: 10px;
  color: var(--text-main); font-weight: 600;
}
.nav-toggle input { width: auto; margin-right: 4px; accent-color: var(--primary); }

.links-area { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.linkrow {
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,0.2); padding: 10px; border-radius: 8px; border: 1px solid var(--border);
}
.linkrow .badge { 
  font-size: 0.75rem; padding: 2px 8px; border-radius: 10px; 
  background: rgba(59, 130, 246, 0.2); color: var(--primary); white-space: nowrap;
}

/* --- 9. CHAT PANELS --- */
#bigChatContainer { background: transparent; }
#bigChatHistory { background: rgba(11, 15, 20, 0.5); border-radius: 8px; margin-bottom: 10px; }

#chatPanel {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #0f1621; border-top: 1px solid var(--primary); z-index: 2000;
  display: flex; flex-direction: column; height: 60px;
  transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -10px 40px rgba(0,0,0,0.8);
}
#chatPanel.open { height: 70vh; }

.chat-head { padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; background: rgba(59, 130, 246, 0.1); }
.chat-title { font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 8px; }
.chat-state-text::after { content: "(Tap to Open)"; }
#chatPanel.open .chat-state-text::after { content: "(Tap to Close)"; }

#chatHistory { flex: 1; overflow-y: auto; padding: 15px; display: none; background: #0b0f14; }
#chatPanel.open #chatHistory { display: block; }

.msg { margin-bottom: 10px; padding: 10px; border-radius: 8px; font-size: 0.95rem; line-height: 1.4; max-width: 85%; }
.msg.user { background: var(--border); color: white; align-self: flex-end; margin-left: auto; }
.msg.ai { background: rgba(59, 130, 246, 0.15); color: #bfdbfe; }

.chat-input { padding: 10px; background: #1f2a3a; display: flex; gap: 10px; }
#chatInput, #bigChatInput { background: #0b0f14; border: 1px solid var(--border); padding: 10px; border-radius: 20px; color: white; width:100%; }
#btnSendChat, #btnSendBigChat { width: 45px; border-radius: 50%; padding: 0; display: flex; align-items: center; justify-content: center; background: var(--primary); color: white; }

/* --- 10. MEDIA QUERIES --- */
@media (min-width: 1024px) {
  body { padding-bottom: 0; overflow: hidden; }
  .app-wrapper {
    max-width: 100%; height: 100vh; padding: 15px;
    display: grid; grid-template-columns: 360px 1fr; grid-template-rows: auto 1fr auto; gap: 15px;
  }
  header { grid-column: 1 / -1; grid-row: 1; margin-bottom: 5px; }
  .panel:nth-of-type(1) { grid-column: 1; grid-row: 2; overflow-y: auto; }
  .library-box { max-height: 120px; flex: none; } 
  .panel:nth-of-type(2) { grid-column: 2; grid-row: 2 / span 2; height: 100%; display: block; overflow-y: auto; }
  #mapContainer { width: 100%; height: 65vh; min-height: 500px; margin-bottom: 20px; border-radius: 8px; }
  #routeList { max-height: none; overflow: visible; border-top: 1px solid var(--border); margin-top: 10px; }
  #chatPanel {
    position: relative; bottom: auto; left: auto; right: auto; 
    grid-column: 1; grid-row: 3; border: 1px solid var(--border); 
    border-radius: 12px; z-index: 1; box-shadow: none;
    height: 60px; max-height: 50vh; transition: height 0.3s ease;
  }
  #chatPanel.open { height: 450px; border-color: var(--primary); }
  #chatHistory { display: block; }
  .chat-head { cursor: default; }
  .chat-head small { display: none; }
}

/* --- 11. OVERLAYS --- */
#helpOverlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 3000; display: none; align-items: center; justify-content: center; }
.modal-content { background: #1e293b; width: 90%; max-width: 600px; max-height: 85vh; overflow-y: auto; padding: 30px; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 20px 50px rgba(0,0,0,0.8); }
.close-icon { float: right; background: none; font-size: 1.5rem; color: var(--text-dim); padding: 0; }
.status { margin-top: 10px; padding: 10px; border-radius: 8px; background: rgba(0,0,0,0.3); font-family: monospace; font-size: 0.85rem; display: none; }

/* --- 12. MAP OVERRIDES --- */
.gm-style .gm-style-iw-c { background-color: #1e293b !important; border: 1px solid var(--border); padding: 12px !important; }
.gm-style .gm-style-iw-tc::after { background: #1e293b !important; }
.gm-style .gm-style-iw-d { overflow: hidden !important; color: #e6edf3 !important; font-family: 'Inter', sans-serif !important; }
.gm-style .gm-ui-hover-effect { filter: invert(1) grayscale(100%) brightness(200%) !important; }

/* --- 13. SUGGESTIONS --- */
.suggestions-box { padding: 20px; background: rgba(0, 0, 0, 0.2); margin-bottom: 20px; border-radius: 8px; border: 1px solid var(--border); }
.suggestion-group { margin-bottom: 15px; }
.suggestion-label { font-size: 0.75rem; text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px; font-weight: 700; letter-spacing: 1px; }
.chip-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.3); color: #bfdbfe; padding: 8px 14px; border-radius: 20px; font-size: 0.85rem; cursor: pointer; transition: all 0.2s; user-select: none; }
.chip:hover { background: var(--primary); color: white; border-color: var(--primary); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3); }
.chip.sleep { border-color: rgba(167, 139, 250, 0.4); color: #ddd6fe; background: rgba(167, 139, 250, 0.1); }
.chip.sleep:hover { background: #8b5cf6; border-color: #8b5cf6; }
.chip.eat { border-color: rgba(251, 146, 60, 0.4); color: #fed7aa; background: rgba(251, 146, 60, 0.1); }
.chip.eat:hover { background: #f97316; border-color: #f97316; }
.chip.logistics { border-color: rgba(52, 211, 153, 0.4); color: #a7f3d0; background: rgba(52, 211, 153, 0.1); }
.chip.logistics:hover { background: #10b981; border-color: #10b981; }

/* --- 14. CHAT BADGES --- */
.action-badge { display: inline-block; margin-top: 8px; padding: 8px 12px; background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.4); border-radius: 6px; color: #6ee7b7; font-size: 0.85rem; font-weight: 600; width: 100%; text-align: center; }
.action-badge small { display: block; font-weight: 400; opacity: 0.8; margin-top: 2px; }

/* --- 15. CHAT TABLES --- */
.chat-table-wrapper { overflow-x: auto; margin: 10px 0; border-radius: 8px; border: 1px solid var(--border); background: rgba(0, 0, 0, 0.2); }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; color: var(--text-main); }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: rgba(255, 255, 255, 0.05); font-weight: 700; color: var(--primary); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.5px; }
tr:last-child td { border-bottom: none; }

/* --- 16. SHARE BUTTON (UPDATED: Dark & Premium) --- */
.share-area { margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--border); text-align: center; }
.btn-share {
  background: #1e3a8a; /* Dark Blue */
  color: #f8fafc;      /* White/Off-white */
  border: 1px solid #3b82f6;
  width: 100%; font-size: 1rem; padding: 14px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 800; 
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-share:hover { transform: translateY(-2px); background: #172554; color: #ffffff; border-color: #60a5fa; }