/* BAIOS Web Chat UI — styles.css
   Light mode by default, dark mode via [data-theme="dark"] on <html>
   No external dependencies — pure CSS custom properties + vanilla layout
*/

/* ───────────────────────────────────────────────────────────
   Custom properties (design tokens)
─────────────────────────────────────────────────────────── */
:root {
  /* colours — light theme (default) */
  --bg-base:        #f8f7ff;
  --bg-surface:     #ffffff;
  --bg-elevated:    #f3f0ff;
  --bg-hover:       #ede9fe;
  --bg-input:       #ffffff;

  --accent:         #7c3aed;
  --accent-hover:   #6d28d9;
  --accent-muted:   rgba(124,58,237,.08);

  --success:        #10b981;
  --warning:        #f59e0b;
  --danger:         #ef4444;

  --text-primary:   #1a1a2e;
  --text-secondary: #6b7280;
  --text-muted:     #9ca3af;

  --border:         rgba(0,0,0,.06);
  --border-strong:  rgba(0,0,0,.1);

  --bubble-user-bg: #ede9fe;
  --bubble-user-text: #1a1a2e;
  --bubble-ai-bg:   #f8f7ff;
  --bubble-ai-text: #1a1a2e;

  --sidebar-w:      260px;
  --wallet-w:       280px;
  --header-h:       52px;

  /* typography */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;

  /* motion */
  --ease: cubic-bezier(.4,0,.2,1);
  --dur-fast: 120ms;
  --dur-normal: 220ms;
}

[data-theme="dark"] {
  --bg-base:        #0a0a0f;
  --bg-surface:     #12121a;
  --bg-elevated:    #1a1a26;
  --bg-hover:       #22223a;
  --bg-input:       #16161f;

  --accent:         #7c3aed;
  --accent-hover:   #6d28d9;
  --accent-muted:   rgba(124,58,237,.15);

  --text-primary:   #e8e8f0;
  --text-secondary: #8888aa;
  --text-muted:     #55556a;

  --border:         rgba(255,255,255,.07);
  --border-strong:  rgba(255,255,255,.14);

  --bubble-user-bg: #2d1b69;
  --bubble-user-text: #dbeafe;
  --bubble-ai-bg:   #16161f;
  --bubble-ai-text: #e8e8f0;
}

/* ───────────────────────────────────────────────────────────
   Reset & base
─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }

/* ───────────────────────────────────────────────────────────
   App shell
─────────────────────────────────────────────────────────── */
#app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--wallet-w);
  grid-template-rows: var(--header-h) 1fr;
  height: 100vh;
  overflow: hidden;
}

/* ───────────────────────────────────────────────────────────
   Header
─────────────────────────────────────────────────────────── */
#header {
  grid-column: 1 / -1;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -.02em;
}

.logo-mark {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 900; color: #fff;
  flex-shrink: 0;
}

.logo-sub {
  color: var(--text-secondary);
  font-size: .8rem;
  font-weight: 400;
  margin-left: 2px;
}

.header-spacer { flex: 1; }

.network-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
  transition: background var(--dur-normal) var(--ease);
}
.status-dot.connected { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.error     { background: var(--danger); }

.wallet-addr {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.wallet-addr:hover { border-color: var(--accent); color: var(--text-primary); }
.wallet-addr.not-connected { color: var(--text-muted); border-style: dashed; }

/* icon button base */
.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 7px;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
  flex-shrink: 0;
}
.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border);
}
.icon-btn svg { pointer-events: none; }

/* hamburger toggles */
#toggle-sidebar, #toggle-wallet {
  display: none; /* shown at mobile breakpoint */
}

/* ───────────────────────────────────────────────────────────
   Left sidebar — conversations
─────────────────────────────────────────────────────────── */
#sidebar {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  overflow: hidden;
  transition: width var(--dur-normal) var(--ease),
              opacity var(--dur-normal) var(--ease);
}

.sidebar-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 12px 8px;
  flex-shrink: 0;
}

#new-chat-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}
#new-chat-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
#new-chat-btn:active { transform: translateY(0); }

.chain-selector-wrap {
  padding: 0 12px 8px;
  flex-shrink: 0;
}

.chain-selector-wrap label {
  display: block;
  font-size: .7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
}

#chain-selector {
  width: 100%;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 8px;
  font-size: .82rem;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease);
}
#chain-selector:hover, #chain-selector:focus {
  border-color: var(--accent);
  outline: none;
}

.conv-list-header {
  padding: 4px 12px 6px;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  flex-shrink: 0;
}

#conv-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
#conv-list::-webkit-scrollbar { width: 4px; }
#conv-list::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

.conv-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease);
  user-select: none;
}
.conv-item:hover  { background: var(--bg-hover); }
.conv-item.active { background: var(--accent-muted); }

.conv-icon {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--bg-elevated);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.conv-item.active .conv-icon { background: var(--accent); }

.conv-title {
  flex: 1;
  font-size: .84rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.conv-time {
  font-size: .7rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.conv-empty {
  padding: 24px 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: .82rem;
}

.sidebar-footer {
  flex-shrink: 0;
  padding: 8px 6px;
  border-top: 1px solid var(--border);
}

.settings-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: .84rem;
  text-align: left;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.settings-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ───────────────────────────────────────────────────────────
   Main chat area
─────────────────────────────────────────────────────────── */
#chat-main {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-base);
}

/* welcome screen shown when no conversation is active */
#welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 32px;
  color: var(--text-secondary);
  text-align: center;
}
#welcome h2 { font-size: 1.4rem; color: var(--text-primary); }
#welcome p  { max-width: 420px; line-height: 1.6; }
.welcome-chips {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  margin-top: 8px;
}
.welcome-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: .82rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.welcome-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--accent-muted);
}

/* Suggestion chips rendered below an agent response */
.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.suggestion-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: .8rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.suggestion-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--accent-muted);
}

#messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
#messages::-webkit-scrollbar { width: 5px; }
#messages::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

/* ── message bubbles ── */
.msg {
  display: flex;
  gap: 10px;
  max-width: 760px;
  animation: msgIn var(--dur-normal) var(--ease) both;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg.user  { align-self: flex-end; flex-direction: row-reverse; }
.msg.agent { align-self: flex-start; }

.msg-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-top: 2px;
}
.msg.user  .msg-avatar { background: var(--accent); color: #fff; }
.msg.agent .msg-avatar { background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border); }

.msg-body { flex: 1; min-width: 0; }

.msg-bubble {
  display: inline-block;
  max-width: 100%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: .9rem;
  line-height: 1.6;
  word-break: break-word;
}
.msg.user  .msg-bubble {
  background: var(--bubble-user-bg);
  color: var(--bubble-user-text);
  border-bottom-right-radius: 4px;
}
.msg.agent .msg-bubble {
  background: var(--bubble-ai-bg);
  color: var(--bubble-ai-text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg-meta {
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: 3px;
  padding: 0 2px;
}
.msg.user .msg-meta { text-align: right; }

/* markdown inside bubbles */
.msg-bubble p  { margin: 0 0 .4em; }
.msg-bubble p:last-child { margin-bottom: 0; }
.msg-bubble h1,.msg-bubble h2,.msg-bubble h3 {
  font-size: 1em; font-weight: 700; margin: .6em 0 .2em;
}
.msg-bubble ul,.msg-bubble ol { padding-left: 1.4em; margin: .3em 0; }
.msg-bubble li { margin: .1em 0; }
.msg-bubble code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: rgba(0,0,0,.08);
  border-radius: 4px;
  padding: 1px 5px;
}
[data-theme="dark"] .msg-bubble code { background: rgba(255,255,255,.12); }
.msg-bubble pre {
  background: #f3f0ff;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  margin: .5em 0;
}
[data-theme="dark"] .msg-bubble pre { background: #0d0d14; }
.msg-bubble pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
  font-size: .82em;
  color: var(--text-primary);
}
.msg-bubble a { color: var(--accent); }
.msg-bubble strong { font-weight: 700; }
.msg-bubble em { font-style: italic; }
.msg-bubble blockquote {
  border-left: 3px solid var(--accent);
  margin: .4em 0;
  padding: 2px 0 2px 10px;
  color: var(--text-secondary);
}

/* ── tool progress indicator ── */
#tool-progress {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 0 20px 6px 60px; /* indent past avatar column */
  align-self: flex-start;
  font-size: 0.78rem;
  color: var(--text-muted);
}
#tool-progress.visible { display: flex; }
#tool-progress::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── typing indicator ── */
#typing-indicator {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 0 20px 8px;
  align-self: flex-start;
}
#typing-indicator.visible { display: flex; }

.typing-dots {
  display: flex; gap: 4px;
  background: var(--bubble-ai-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 14px;
}
.typing-dots span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: blink 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: .2s; }
.typing-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes blink {
  0%,80%,100% { opacity: .3; transform: scale(.85); }
  40%          { opacity: 1;  transform: scale(1); }
}

/* ── transaction confirmation card ── */
.tx-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 16px;
  max-width: 380px;
  margin: 4px 0;
  animation: msgIn var(--dur-normal) var(--ease) both;
}
.tx-card-header {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 12px;
}
.tx-chain-icon {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--accent-muted);
  border: 1px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}
.tx-chain-name { font-weight: 700; font-size: .9rem; }
.tx-risk-badge {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.tx-risk-read  { background: rgba(16,185,129,.15); color: var(--success); border: 1px solid rgba(16,185,129,.3); }
.tx-risk-write { background: rgba(245,158,11,.15);  color: var(--warning); border: 1px solid rgba(245,158,11,.3); }
.tx-risk-admin { background: rgba(239,68,68,.15);   color: var(--danger);  border: 1px solid rgba(239,68,68,.3); }

.tx-detail-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 5px 0;
  font-size: .82rem;
  border-bottom: 1px solid var(--border);
}
.tx-detail-row:last-of-type { border-bottom: none; }
.tx-detail-label { color: var(--text-secondary); }
.tx-detail-value { font-family: var(--font-mono); font-size: .78rem; color: var(--text-primary); }
.tx-detail-value.amount { color: var(--warning); font-weight: 700; font-family: inherit; font-size: .85rem; }

.tx-actions {
  display: flex; gap: 8px; margin-top: 12px;
}
.tx-confirm-btn {
  flex: 1; padding: 8px;
  background: var(--success); color: #fff;
  border: none; border-radius: 8px;
  font-size: .84rem; font-weight: 700;
  transition: background var(--dur-fast);
}
.tx-confirm-btn:hover { background: #0da271; }
.tx-reject-btn {
  flex: 1; padding: 8px;
  background: transparent; color: var(--danger);
  border: 1px solid var(--danger); border-radius: 8px;
  font-size: .84rem; font-weight: 700;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.tx-reject-btn:hover { background: rgba(239,68,68,.1); }

/* ───────────────────────────────────────────────────────────
   Input area
─────────────────────────────────────────────────────────── */
#input-area {
  flex-shrink: 0;
  padding: 12px 16px 14px;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
}

.input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 10px 10px 10px 14px;
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.input-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

#msg-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  color: var(--text-primary);
  font-size: .9rem;
  line-height: 1.55;
  max-height: calc(1.55em * 5);
  overflow-y: auto;
  scrollbar-width: thin;
  padding: 0;
  min-height: 1.55em;
}
#msg-input::placeholder { color: var(--text-muted); }

#send-btn {
  width: 36px; height: 36px;
  flex-shrink: 0;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              opacity var(--dur-fast) var(--ease);
}
#send-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
#send-btn:active { transform: translateY(0); }
#send-btn:disabled { opacity: .4; cursor: default; transform: none; }

.input-hint {
  margin-top: 5px;
  font-size: .72rem;
  color: var(--text-muted);
  text-align: center;
}

/* ───────────────────────────────────────────────────────────
   Right sidebar — wallet
─────────────────────────────────────────────────────────── */
#wallet-sidebar {
  grid-column: 3;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  overflow: hidden;
  transition: width var(--dur-normal) var(--ease),
              opacity var(--dur-normal) var(--ease);
}

.wallet-section {
  padding: 12px 14px 8px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.wallet-section:last-child { border-bottom: none; }

.wallet-section-title {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.wallet-section-title span { flex: 1; }

.wallet-status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(239,68,68,.12);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: 20px;
  padding: 2px 8px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
}
.wallet-status-badge.unlocked {
  background: rgba(16,185,129,.12);
  color: var(--success);
  border-color: rgba(16,185,129,.3);
}

/* chain balance rows */
.chain-balance-row {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.chain-balance-row:last-child { border-bottom: none; }

.chain-icon {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.chain-info { flex: 1; min-width: 0; }
.chain-name { font-size: .82rem; font-weight: 600; }
.chain-addr {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.chain-balance-val {
  font-weight: 700;
  font-size: .85rem;
  text-align: right;
  flex-shrink: 0;
  white-space: nowrap;
}

.add-chain-btn {
  display: flex; align-items: center; gap: 6px;
  width: 100%;
  padding: 8px 10px;
  background: transparent;
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: .82rem;
  margin-top: 8px;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.add-chain-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-muted);
}

/* tx feed */
.tx-feed { flex: 1; overflow-y: auto; padding: 0 14px 12px; }

.tx-feed-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: .8rem;
}
.tx-feed-item:last-child { border-bottom: none; }

.tx-feed-icon {
  width: 24px; height: 24px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.tx-feed-icon.send    { background: rgba(239,68,68,.15);   color: var(--danger); }
.tx-feed-icon.receive { background: rgba(16,185,129,.15);  color: var(--success); }
.tx-feed-icon.call    { background: rgba(59,130,246,.15);  color: var(--accent); }

.tx-feed-info { flex: 1; min-width: 0; }
.tx-feed-label { color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tx-feed-time  { color: var(--text-muted); font-size: .7rem; }
.tx-feed-amount { text-align: right; font-weight: 700; flex-shrink: 0; }

/* wallet unlock form */
.wallet-unlock-form {
  padding: 8px 0;
}
.unlock-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  padding: 7px 10px;
  color: var(--text-primary);
  font-size: .85rem;
  margin-bottom: 6px;
  outline: none;
  transition: border-color var(--dur-fast);
}
.unlock-input:focus { border-color: var(--accent); }
.unlock-btn {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 8px;
  font-size: .85rem;
  font-weight: 700;
  transition: background var(--dur-fast);
}
.unlock-btn:hover { background: var(--accent-hover); }

/* ───────────────────────────────────────────────────────────
   Modal overlay (settings, unlock password)
─────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fadeIn var(--dur-fast) var(--ease) both;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  width: 100%; max-width: 440px;
  padding: 24px;
  animation: slideUp var(--dur-normal) var(--ease) both;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.modal h2 { font-size: 1.1rem; margin-bottom: 16px; }
.modal label {
  display: block;
  font-size: .8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
  margin-top: 12px;
}
.modal input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: .9rem;
  outline: none;
  transition: border-color var(--dur-fast);
}
.modal input:focus { border-color: var(--accent); }
.modal-actions {
  display: flex; gap: 8px; margin-top: 20px;
}
.btn-primary {
  flex: 1; padding: 10px;
  background: var(--accent); color: #fff;
  border: none; border-radius: 8px;
  font-size: .9rem; font-weight: 700;
  transition: background var(--dur-fast);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
  padding: 10px 16px;
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: 8px;
  font-size: .9rem;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.error-msg {
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: 7px;
  padding: 6px 10px;
  color: var(--danger);
  font-size: .82rem;
  margin-top: 8px;
}

.error-banner {
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: 10px;
  padding: 16px 20px;
  color: var(--danger);
  font-size: .9rem;
  margin: 20px auto;
  max-width: 400px;
  text-align: center;
}

/* ───────────────────────────────────────────────────────────
   Toast notifications
─────────────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 200;
  pointer-events: none;
}
.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: .84rem;
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
  pointer-events: auto;
  animation: toastIn .2s var(--ease) both;
  max-width: 300px;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--accent); }

/* ───────────────────────────────────────────────────────────
   Collapsed sidebar states
─────────────────────────────────────────────────────────── */
#app.sidebar-collapsed { grid-template-columns: 0 1fr var(--wallet-w); }
#app.sidebar-collapsed #sidebar { width: 0; opacity: 0; pointer-events: none; }

#app.wallet-collapsed  { grid-template-columns: var(--sidebar-w) 1fr 0; }
#app.wallet-collapsed  #wallet-sidebar { width: 0; opacity: 0; pointer-events: none; }

/* ───────────────────────────────────────────────────────────
   Responsive — mobile (< 768px)
─────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  :root {
    --sidebar-w: 100vw;
    --wallet-w:  100vw;
  }

  #app {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-h) 1fr;
  }

  #sidebar {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform var(--dur-normal) var(--ease);
  }
  #sidebar.open { transform: translateX(0); }

  #wallet-sidebar {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 30;
    transform: translateX(100%);
    transition: transform var(--dur-normal) var(--ease);
  }
  #wallet-sidebar.open { transform: translateX(0); }

  #chat-main {
    grid-column: 1;
    grid-row: 2;
  }

  #toggle-sidebar, #toggle-wallet { display: flex; }

  #app.sidebar-collapsed #sidebar {
    width: 100%;
    opacity: 1;
    pointer-events: auto;
  }
  #app.wallet-collapsed #wallet-sidebar {
    width: 100%;
    opacity: 1;
    pointer-events: auto;
  }
}

/* ───────────────────────────────────────────────────────────
   Data marketplace panel
─────────────────────────────────────────────────────────── */

/* The panel sits in the same grid slot as the wallet sidebar.
   It is shown via the .hidden/.visible toggle. */
#data-panel {
  grid-column: 3;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  overflow: hidden;
  transition: width var(--dur-normal) var(--ease),
              opacity var(--dur-normal) var(--ease);
}

/* Hidden state — collapses the column */
#data-panel.hidden {
  display: none;
}

/* When the data panel is visible, push the wallet sidebar out */
#app.data-panel-open {
  grid-template-columns: var(--sidebar-w) 1fr var(--wallet-w);
}
#app.data-panel-open #wallet-sidebar {
  display: none;
}
#app.data-panel-open #data-panel {
  display: flex;
}

/* ── Consent rows ── */
.consent-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.consent-row:last-child { border-bottom: none; }

.consent-category {
  flex: 1;
  min-width: 0;
}
.consent-category-name {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.consent-category-desc {
  font-size: .7rem;
  color: var(--text-muted);
  margin-top: 1px;
}

/* CSS toggle switch */
.consent-toggle-wrap {
  flex-shrink: 0;
}

.consent-toggle {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 18px;
}

.consent-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.consent-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-hover);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.consent-toggle-slider::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: left var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}
.consent-toggle input:checked + .consent-toggle-slider {
  background: var(--accent-muted);
  border-color: var(--accent);
}
.consent-toggle input:checked + .consent-toggle-slider::before {
  left: 18px;
  background: var(--accent);
}
.consent-toggle input:focus-visible + .consent-toggle-slider {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Level selector dropdown */
.consent-level-select {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: .7rem;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  flex-shrink: 0;
  transition: border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}
.consent-level-select:hover,
.consent-level-select:focus {
  border-color: var(--accent);
  color: var(--text-primary);
  outline: none;
}
.consent-level-select:disabled {
  opacity: 0.4;
  cursor: default;
}

/* ── Reward summary ── */
.reward-summary {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.reward-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
  font-size: .82rem;
}
.reward-label { color: var(--text-secondary); }
.reward-total {
  font-weight: 700;
  color: var(--success);
  font-family: var(--font-mono);
  font-size: .78rem;
}
.reward-pool {
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: .78rem;
}

/* Recent reward entries */
.reward-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  font-size: .78rem;
}
.reward-entry:last-child { border-bottom: none; }
.reward-entry-label { color: var(--text-secondary); }
.reward-entry-amount { color: var(--success); font-weight: 600; font-family: var(--font-mono); }

/* ── Data stat cards ── */
.data-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 4px;
}
.data-stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.data-stat-value {
  font-weight: 700;
  font-size: .9rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
}
.data-stat-label {
  font-size: .68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ── Revoke all button ── */
.revoke-all-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 8px 10px;
  margin-top: 8px;
  background: transparent;
  border: 1px solid rgba(239,68,68,.4);
  border-radius: 8px;
  color: var(--danger);
  font-size: .82rem;
  font-weight: 600;
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.revoke-all-btn:hover {
  background: rgba(239,68,68,.1);
  border-color: var(--danger);
}

/* ── Mobile: data panel stacks with wallet ── */
@media (max-width: 767px) {
  #data-panel {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 30;
    transform: translateX(100%);
    transition: transform var(--dur-normal) var(--ease);
  }
  #data-panel.open { transform: translateX(0); }

  #app.data-panel-open #wallet-sidebar { display: flex; }
  #app.data-panel-open #data-panel { display: flex; }
}

/* ───────────────────────────────────────────────────────────
   Scrollbar styling (Webkit)
─────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
