/* Green palette inspired by modern reference (emerald) */
:root {
  --c1:#ecfdf5; /* base tint / background */
  --c2:#065f46; /* primary */
  --c3:#10b981; /* accent */
  --c4:#d1fae5; /* border/subtle */
  --bg:#ecfdf5; /* app background */
  --elev-bg:#ffffff; /* elevated surface */
  --border-translucent: rgba(16,185,129,0.2);
  --shadow: 0 4px 12px rgba(6,95,70,0.14);
}

/* Ensure padding/border are included in width for all elements */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }
body { font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; margin: 0; background: var(--bg); color: #0b122e; }
main { max-width: 1200px; margin: 0 auto; padding: clamp(1rem, 3vw + 0.5rem, 2rem); min-height: 100vh; display: flex; flex-direction: column; }

/* Utility */
.hidden { display: none !important; }

/* Auth Page Styles */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.25rem;
  min-height: calc(100vh - 4rem);
  padding: 2rem;
  background: var(--bg);
  overflow: hidden;
}

.brand-intro { text-align:center; margin-bottom: 1.25rem; }
.logo-mark { width:64px; height:64px; display:grid; place-items:center; margin: 0 auto 0.75rem; border-radius: 999px; background: var(--c4); color: var(--c2); box-shadow: var(--shadow); font-size: 28px; }
.brand-title { margin: 0; font-weight: 700; color: #0f172a; }
.brand-subtitle { margin: 0.25rem 0 0; color: #334155; opacity: 0.85; }

.auth-card { background: #fff; border: 1px solid var(--c4); border-radius: 16px; box-shadow: var(--shadow); padding: 1.5rem; width: 100%; max-width: 520px; margin: 0 auto; }
.auth-card-header { text-align:left; margin-bottom: 1rem; }
.auth-card-header.centered { text-align: center; }
.welcome-title { margin: 0 0 0.25rem; font-size: 1.25rem; color:#0f172a; }
.welcome-subtitle { margin:0; color:#475569; font-size: 0.95rem; }
.welcome-subtitle.centered { text-align: center; }

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h1 { margin: 0; font-weight: 700; letter-spacing: 0.3px; color: var(--c2); font-size: 2rem; }

.auth-header .subtitle {
  margin: 0.5rem 0 0;
  color: #4a4f79;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.auth-form h2 {
  margin: 0 0 1.5rem;
  color: #1f243f;
  font-weight: 600;
  font-size: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #374151;
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--c4);
  background: #ffffff;
  color: #1f243f;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
}

.form-group input:focus {
  border-color: var(--c3);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.15);
}

.full-width {
  width: 100%;
}

.auth-switch {
  text-align: center;
  margin-top: 1.5rem;
  color: #6b7280;
  font-size: 0.9rem;
}

.link-btn {
  background: none;
  border: none;
  color: var(--c2);
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
  padding: 0;
  margin: 0;
}

.link-btn:hover {
  color: #4a7f9a;
}

/* Chat page specific styles */
body.chat-page main { padding: 2rem 2rem 0; max-width: 1200px; }

body.chat-page .topbar { margin-bottom: 1.5rem; border-radius: 12px; }

.topbar { display:flex; align-items:center; justify-content:space-between; margin-bottom: 1rem; background: #fff; border: 1px solid var(--c4); border-radius: 12px; box-shadow: var(--shadow); gap: 0.75rem; padding: 0.75rem 1rem; flex-wrap: wrap; }
.topbar h1 { margin:0; font-weight:700; letter-spacing:0.3px; color:var(--c2); }
.brand { display:flex; align-items:center; gap:0.75rem; }
.brand-mark { width:32px; height:32px; display:grid; place-items:center; border-radius:10px; background: var(--c2); color:#fff; box-shadow: var(--shadow); font-size: 14px; }
.brand .subtitle { margin:0; margin-top:2px; color:#4a4f79; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.2px; }

/* Topbar actions */
.nav-tabs { display:flex; align-items:center; gap: 0.5rem; flex-wrap: wrap; }

.btn { background: var(--c4); color: var(--c2); padding: 0.6rem 0.95rem; border-radius: 10px; text-decoration:none; border: 1px solid var(--c4); cursor: pointer; transition: transform .06s ease, box-shadow .2s ease, background .2s ease; box-shadow: 0 2px 8px rgba(6,95,70,0.12); }
.btn:hover { background: var(--c3); color:#fff; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(6,95,70,0.18); }
.btn:active { transform: translateY(0); }
.btn.primary { background: var(--c2); color:#fff; border-color: var(--c2); }
.btn.primary:hover { background: #064e3b; }
.btn.danger { background: #dc2626; color:#fff; border-color: #b91c1c; }
.btn.danger:hover { background: #b91c1c; }
.btn.icon { padding: 0.55rem; display:inline-grid; place-items:center; }

.searchbar { position: sticky; top: calc(env(safe-area-inset-top) + 0px); z-index: 5; background: transparent; padding: 0.5rem 0; margin-bottom: 1rem; display:flex; align-items:center; gap: 0.5rem; flex-wrap: wrap; }
.search-input { position: relative; flex: 1; }
.search-actions { display:flex; align-items:center; gap: 0.5rem; }

/* Filters next to search */
.filters { display:flex; align-items:center; gap: 0.5rem; flex-wrap: wrap; }
.filter-select { min-width: 160px; background:#fff; border:1px solid var(--c4); border-radius: 10px; padding: 0.55rem 0.75rem; box-shadow: var(--shadow); color:#1f243f; }
.filter-select:focus { outline: none; border-color: var(--c3); box-shadow: 0 0 0 3px rgba(120,134,199,0.15); }

.searchbar input[type="search"] { width:100%; padding:0.85rem 7.2rem 0.85rem 2.25rem; border-radius:14px; border:1px solid var(--c4); background: #fff; color:#1f243f; box-shadow: var(--shadow); outline: none; }
.searchbar .icon.search { position:absolute; left:0.75rem; top:50%; transform: translateY(-50%); color:#6b7280; opacity:0.9; }

.layout { display:grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items:start; }
.list, .editor { background: #fff; border:1px solid var(--c4); border-radius:14px; padding: 0.9rem; min-height: 420px; box-shadow: var(--shadow); }

/* Notes tiles grid */
.notes-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: clamp(0.6rem, 2.5vw, 0.9rem); }
.tile { display:flex; flex-direction:column; gap:0.5rem; background:#fff; border:1px solid var(--c4); border-radius:14px; padding:1rem; box-shadow: var(--shadow); cursor:pointer; text-decoration:none; color:inherit; transition: transform .08s ease, box-shadow .2s ease, border-color .2s ease; height: auto; min-height: 170px; overflow: hidden; }
.tile:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); border-color:#dbe3ef; }
.tile-title { font-weight:600; color:var(--c2); margin:0; display:-webkit-box; line-clamp:2; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.tile-meta { display:flex; gap:0.5rem; align-items:center; color:#6b7280; font-size:0.8rem; }
.chip { display:inline-block; padding: 0.15rem 0.5rem; border-radius:999px; background: var(--c4); border:1px solid var(--c4); color: var(--c2); font-size:0.75rem; }
.tile-body { color:#374151; opacity: .95; display:-webkit-box; line-clamp:3; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; margin:0; }

/* Tag chips inside tiles */
.tile-tags { display:flex; flex-wrap:wrap; gap:0.35rem; margin-top: 0.25rem; }
.tag-chip { 
  /* Tag chip base */
  --tag-h: 165; /* default hue; overridden inline via JS per tag */
  --tag-s: 72%;
  --tag-bg-l: 93%;
  --tag-border-l: 72%;
  --tag-fg-l: 22%;
  display:inline-flex; 
  align-items:center; 
  gap:0.25rem; 
  padding: 0.15rem 0.55rem; 
  border-radius:999px; 
  border:1px solid hsl(var(--tag-h) var(--tag-s) var(--tag-border-l)); 
  background: hsl(var(--tag-h) var(--tag-s) var(--tag-bg-l)); 
  color: hsl(var(--tag-h) var(--tag-s) var(--tag-fg-l)); 
  font-size: 0.72rem; 
  font-weight: 600;
  line-height: 1; 
  white-space: nowrap; 
}
.tag-chip.more { background:#f3f4f6; border-color:#e5e7eb; color:#374151; }

/* Blur effect when modal is open */
.blurred { overflow: hidden; }

/* Modal overlay */
.modal { 
  position: fixed !important; 
  inset: 0 !important; 
  z-index: 1000 !important; 
  display: none !important; 
  align-items: center;
  justify-content: center;
}
.modal.show { display: flex !important; }
.modal-backdrop { 
  position: absolute; 
  inset: 0; 
  background: rgba(6, 95, 70, 0.35); 
  backdrop-filter: blur(2px); 
  z-index: 1000;
}
.modal-dialog { 
  position: relative; 
  z-index: 1001; 
  max-width: 760px; 
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 0 1rem; 
}
.modal .card { 
  border-radius: 16px; 
  box-shadow: none;
  background: #fff;
  padding: 1.5rem;
}

/* Mobile modal improvements (full-height, safe-area-aware, sticky actions) */
@media (max-width: 640px) {
  .modal-dialog { width: 100%; max-width: 100%; height: 100%; max-height: none; padding: 0; }
  .modal .card { border-radius: 16px 16px 0 0; height: 100%; display: flex; flex-direction: column; padding: 1rem; }
  .modal .form-actions { position: sticky; bottom: calc(env(safe-area-inset-bottom) + 0px); background: #fff; padding-top: 0.5rem; margin-top: auto; border-top: 1px solid var(--c4); }
}

ul { list-style: none; padding: 0; margin: 0; }
.notes .note { position: relative; border-bottom: 1px solid #f1f5f9; padding: 0.9rem; transition: background .15s ease, border-color .15s ease; border-radius: 10px; }
.notes .note:hover { background: #f8fafc; border-color: #e5e7eb; }
.notes .note:last-child { border-bottom: none; }

.note-main { display:block; color: inherit; text-decoration:none; }
.note-main strong { display:block; color:#0f172a; font-weight:600; }
.note-main small { color: #6b7280; font-size: 0.82rem; }
.note-main p { margin: 0.35rem 0 0; color:#374151; opacity:.95; display: -webkit-box; line-clamp: 2; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.icon.delete { position:absolute; right:0.5rem; top:0.5rem; background: #fff; border: 1px solid #fecdd3; color:#b91c1c; border-radius: 10px; padding: 0.2rem 0.5rem; opacity:0; transition: opacity .15s ease, background .2s ease, transform .06s ease; cursor:pointer; }

.cursor { display:inline-block; width: 8px; height: 1em; background: rgba(0,0,0,0.6); animation: blink 1s step-end infinite; vertical-align: text-bottom; margin-left: 2px; }
@keyframes blink { 50% { opacity: 0; } }
.note:hover .icon.delete { opacity: 1; }
.icon.delete:hover { background: #fef2f2; transform: translateY(-1px); }
.icon.danger { color:#ef4444; }

.card { background: #fff; border:1px solid var(--c4); border-radius:14px; padding:1rem; box-shadow: var(--shadow); }
.form-card { position: sticky; top: 4.25rem; }
form { display: grid; gap: 0.9rem; }
input[type="text"], textarea, input[type="search"], select { width: 100%; padding: 0.75rem 0.95rem; border-radius:12px; border:1px solid var(--c4); background:#ffffff; color:#1f243f; outline: none; font-family: inherit; font-size: 1rem; line-height: 1.5; }
textarea { min-height: 240px; resize: vertical; }
button { padding: 0.6rem 1rem; border-radius:10px; border:none; }

/* Modal form specific styles */
.modal form {
  gap: 1rem;
}

.modal .form-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal .form-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1rem;
}

.empty { padding: 1rem; color:#4a4f79; text-align:center; opacity: 0.9; }

/* Focus styles */
*:focus-visible { outline: 2px solid rgba(16,185,129,0.55); outline-offset: 2px; border-radius: 10px; }

/* Modal focus management */
.modal:focus {
  outline: none;
}

.modal input:focus,
.modal textarea:focus,
.modal select:focus {
  border-color: var(--c3);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.15);
}

/* Responsive */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .form-card { position: static; }
  .notes-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

/* Mobile-first adjustments for small screens (MDN RWD & mobile-first) */
@media (max-width: 640px) {
  .topbar { padding: 0.5rem; }
  .brand .subtitle { display:none; }
  .nav-tabs { width: 100%; justify-content: flex-start; }

  .searchbar { flex-direction: column; align-items: stretch; gap: 0.5rem; }
  .search-actions { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  .filters { width: 100%; }
  .filter-select { width: 100%; min-width: 0; }
  .btn.icon { width: 100%; }

  .notes-grid { grid-template-columns: 1fr; }
  .tile { height: auto; min-height: 140px; }
}

/* Modern Chat UI */
.chat-container { display:flex; flex-direction:column; flex: 1 1 auto; background:#ffffff; border:1px solid var(--c4); border-radius:14px; box-shadow: var(--shadow); overflow: visible; }
.chat-container { margin-top: 0; min-height: 75vh; }

/* Centered prompt state (before first message) */
.chat-container.centered { justify-content: center; }
.chat-container.centered .chat-messages { display: none; }
.chat-container.centered { position: relative; }
.chat-container.centered .chat-input-container {
  border-top: 0;
  background: transparent;
  padding: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(860px, calc(100% - 2rem));
  bottom: auto;
}
.chat-container.centered .chat-input-form { width: 100%; }
.chat-container.centered .input-wrapper { max-width: 1100px; margin: 0 auto; padding: 1rem 1.25rem; border-radius: 14px; box-shadow: 0 16px 40px rgba(15,23,42,0.12); }


.chat-header-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--c2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.avatar-icon {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
}

.chat-title h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: #0f172a;
}

.chat-title p {
  margin: 0.25rem 0 0;
  color: #6b7280;
  font-size: 0.9rem;
}

.chat-messages { flex: 1; overflow: visible; padding: 1.5rem 1rem 7rem; display: flex; justify-content: center; }
.chat-log { display: flex; flex-direction: column; gap: 1rem; width: 100%; max-width: 1100px; }

.chat-empty { display:grid; place-items:center; padding: 5rem 1rem; color:#6b7280; font-size: 1rem; text-align:center; }

.welcome-message {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.welcome-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--c2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.welcome-content h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #0f172a;
}

.welcome-content p {
  margin: 0 0 0.75rem;
  color: #374151;
  line-height: 1.5;
}

.welcome-content ul {
  margin: 0;
  padding-left: 1.25rem;
}

.welcome-content li {
  color: #6b7280;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.message-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.message { display: flex; gap: 0; max-width: 100%; }

.user-message {
  justify-content: flex-end;
}

.assistant-message {
  justify-content: flex-start;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--c2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}


.message-content { max-width: 980px; min-width: 0; }

.user-message .message-content { max-width: 980px; }

.message-text {
  padding: 0.875rem 1.125rem;
  border-radius: 12px;
  line-height: 1.5;
  word-wrap: break-word;
}

.user-message .message-text { background: #f3f4f6; color: #111827; border: 1px solid #e5e7eb; }

.assistant-message .message-text {
  background: #ffffff;
  color: #0b122e;
  border: 1px solid var(--c4);
}

/* Assistant text formatting (basic Markdown) */
.assistant-message .message-text p { margin: 0.5rem 0; }
.assistant-message .message-text a { color: var(--c2); text-decoration: underline; }
.assistant-message .message-text code { background:#f3f4f6; border:1px solid #e5e7eb; border-radius:6px; padding:0.1rem 0.35rem; }
.assistant-message .message-text pre { background:#0b122e; color:#ecfdf5; padding:0.75rem 1rem; border-radius:10px; overflow:auto; border:1px solid #111827; }
.assistant-message .message-text ul { list-style: disc; margin: 0.5rem 0; padding-left: 1.25rem; }
.assistant-message .message-text ol { list-style: decimal; margin: 0.5rem 0; padding-left: 1.25rem; }
.assistant-message .message-text li { margin: 0.25rem 0; }
.assistant-message .message-text ul ul { list-style: circle; }
.assistant-message .message-text ul ul ul { list-style: square; }

/* Distinct tool-call/result events */
.tool-event { display:flex; justify-content:center; }
.tool-chip { display:inline-block; padding:0.35rem 0.6rem; border-radius:999px; background: var(--c1); border:1px solid var(--c4); color:#065f46; font-size: 0.85rem; transition: background .2s ease, border-color .2s ease; }
.tool-chip.pending { background: var(--c1); border-color: var(--c4); }
.tool-chip.done { background: #e7f5ef; border-color: #86efac; }

/* Thinking / just-a-sec bubble */
.status-bubble { align-self:center; background:#f3f4f6; border:1px solid #e5e7eb; color:#374151; border-radius:999px; padding:0.4rem 0.75rem; font-size:0.9rem; }

.message-sources {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--c1);
  border: 1px solid var(--c4);
  border-radius: 8px;
}

.sources-label {
  font-size: 0.8rem;
  color: #6b7280;
  margin-bottom: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sources-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* TabsList two-column segmented control */
.segmented-control { display:grid; grid-template-columns: 1fr 1fr; align-items:center; background:#f0fdf4; border:1px solid var(--c4); padding:0.25rem; border-radius: 12px; gap:0.25rem; margin: 1rem 0 1.25rem; width: 100%; }
.segmented-control.single { grid-template-columns: 1fr; }
.segmented-item { width: 100%; text-align: center; background: transparent; border: none; padding: 0.6rem 1rem; border-radius: 10px; color:#065f46; cursor:pointer; font-weight:600; }
.segmented-item.active { background:#ffffff; color:#0f172a; border:1px solid #e5e7eb; box-shadow: 0 1px 2px rgba(0,0,0,0.03); }

.source-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  color: #1f2937;
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.source-link:hover {
  background: #edeff3;
  border-color: #d1d5db;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.source-icon {
  font-size: 0.9rem;
}

.source-text {
  font-weight: 500;
}

/* Note preview tooltip */
.note-preview-tooltip {
  position: absolute;
  z-index: 2000;
  display: none;
  background: #111827;
  color: #ecfdf5;
  border: 1px solid #1f2937;
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  box-shadow: 0 12px 28px rgba(0,0,0,0.32);
  font-size: 0.9rem;
}

.note-preview-tooltip[aria-hidden="false"] {
  display: block;
}

.note-preview-tooltip .tooltip-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.note-preview-tooltip .tooltip-meta {
  font-size: 0.78rem;
  color: #9ca3af;
  margin-bottom: 0.4rem;
}

.note-preview-tooltip .tooltip-body {
  color: #e5e7eb;
}

.chat-input-container { padding: 1.25rem; border-top:1px solid #e5e7eb; background:#fff; position: sticky; bottom: 0; left: 0; right: 0; z-index: 10; margin-top: auto; padding-bottom: calc(1.25rem + env(safe-area-inset-bottom)); }

/* Friendly hint above the input */
.chat-hint {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 3rem;
  padding: 0;
  color: var(--c2);
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  width: 100%;
  text-align: center;
  font-size: 1.1rem;
}
.chat-hint .hint-icon { font-size: 1rem; }
.chat-hint .hint-text { font-weight: 600; }
.chat-hint.hidden { display: none; }

.chat-input-form {
  position: relative;
  display: flex;
  justify-content: center;
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  max-width: 1100px;
}

.input-wrapper:focus-within {
  border-color: #d1d5db;
  box-shadow: none;
}

.chat-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #0f172a;
  font-size: 1.05rem;
  line-height: 1.6;
  outline: none;
  padding: 0.1rem 0;
  /* Override global textarea defaults for compact chat box */
  min-height: calc(1.6em * 3.5);
  height: auto;
  resize: none; /* grow vertically via script if needed; user can't drag */
  max-height: 40vh; /* cap height to avoid covering messages */
  overflow-y: auto; /* scroll when exceeding max height */
  white-space: pre-wrap; /* ensure wrapping */
  word-break: break-word;
}

.chat-input::placeholder {
  color: #9ca3af;
}

/* Modern, consistent placeholder styling across the app */
input::placeholder,
textarea::placeholder,
select::placeholder {
  color: #9ca3af;
  opacity: 1;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.chat-input:focus-visible { outline: none; }

/* Adjust rounded container when textarea grows to multiple lines */
.input-wrapper:has(textarea.chat-input) {
  border-radius: 14px;
  align-items: flex-end;
}


.send-button { width: 44px; height: 44px; border-radius: 999px; background: #ffffff; border: 1px solid var(--c4); color:#065f46; display:flex; align-items:center; justify-content:center; cursor:pointer; transition: background .15s ease, border-color .15s ease, color .15s ease, box-shadow .2s ease; box-shadow: 0 2px 8px rgba(6,95,70,0.06); }
.send-button:hover { background: #f0fdf4; border-color: var(--c3); color:#065f46; }
.send-button:active { background: #d1fae5; border-color: var(--c3); }
.send-button:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(16,185,129,0.25), 0 2px 10px rgba(6,95,70,0.15); border-color: var(--c3); }
.send-button svg { width: 22px; height: 22px; }

/* legacy typing indicator styles no longer used */

/* Responsive chat */
@media (max-width: 768px) {
  .chat-container { border-radius: 12px; }
  
  .chat-messages {
    padding: 1rem 1rem calc(6rem + env(safe-area-inset-bottom));
  }
  
  .chat-input-container {
    padding: 1rem; 
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }
  
  .message-content { max-width: 90%; }
  
  .user-message .message-content {
    max-width: 85%;
  }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *:not([data-allow-motion]), *:not([data-allow-motion])::before, *:not([data-allow-motion])::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}