/* ============================================================
   AetherGate Design System — 全端适配版
   ============================================================ */
:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --panel-2: #fbfbfe;
  --border: #e6e8f0;
  --border-2: #dde0ec;
  --text: #171a2b;
  --text-2: #5a607d;
  --text-3: #8a90ab;
  --primary: #4f46e5;
  --primary-2: #6366f1;
  --primary-weak: #eef0ff;
  --primary-weak-2: #e2e5ff;
  --success: #16a34a;
  --success-weak: #e8f7ee;
  --danger: #e11d48;
  --danger-weak: #fdeef1;
  --warning: #d97706;
  --warning-weak: #fdf3e3;
  --info: #0284c7;
  --info-weak: #e8f4fb;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(23,26,43,.06);
  --shadow: 0 4px 16px rgba(23,26,43,.08);
  --shadow-lg: 0 16px 40px rgba(23,26,43,.12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --sidebar-w: 224px;
  --sidebar-collapsed: 68px;
  --topbar-h: 56px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow-x: hidden; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: inherit; }
::placeholder { color: var(--text-3); }

/* ========== layout ========== */
.app-shell {
  display: flex;
  min-height: 100vh;
  /* 禁止横向滚动 */
  overflow-x: hidden;
  width: 100%;
}

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  transition: width .22s ease, flex-basis .22s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 14px 14px;
  flex-shrink: 0;
  min-height: 56px;
}
.sidebar-brand .logo {
  position: relative;
  width: 34px; height: 34px; border-radius: 10px; flex: 0 0 34px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: flex; align-items: center; justify-content: center;
  color: #fff; overflow: hidden;
}
.sidebar-brand .logo img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-brand .logo .logo-dot { width: 13px; height: 13px; }
.sidebar-brand .logo .logo-dot-a { transform: translate(-3px, -2px); }
.sidebar-brand .logo .logo-dot-b { width: 8px; height: 8px; transform: translate(5px, 4px); background: rgba(255,255,255,0.7); }
.sidebar-brand .brand-text { display: flex; flex-direction: column; overflow: hidden; white-space: nowrap; }
.sidebar-brand .brand-name { font-size: 15px; font-weight: 700; letter-spacing: .2px; overflow: hidden; text-overflow: ellipsis; }
.sidebar-brand .brand-sub { font-size: 11px; color: var(--text-3); }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 6px 8px 12px; scrollbar-width: thin; }
.nav-group-label {
  font-size: 11px; color: var(--text-3); font-weight: 600;
  padding: 12px 10px 4px; letter-spacing: .5px; overflow: hidden;
  white-space: nowrap; text-overflow: ellipsis;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius-sm);
  color: var(--text-2); font-size: 13.5px; margin-bottom: 2px;
  border: none; background: none; width: 100%; text-align: left;
  transition: background .15s, color .15s; overflow: hidden;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active { background: var(--primary-weak); color: var(--primary); font-weight: 600; }
.nav-item .ico { flex: 0 0 auto; opacity: .88; display: flex; align-items: center; }
.nav-item .txt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.sidebar-foot { padding: 10px 8px; border-top: 1px solid var(--border); flex-shrink: 0; }

.main { flex: 1; min-width: 0; width: 100%; display: flex; flex-direction: column; overflow-x: hidden; }

.topbar {
  height: var(--topbar-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  padding: 0 16px;
  position: sticky; top: 0; z-index: 40;
  width: 100%; overflow: hidden;
}
.topbar .page-title { font-size: 15px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 0 0 auto; }
.topbar-right { display: flex; align-items: center; gap: 8px; margin-left: auto; flex-shrink: 0; }
.icon-btn {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: #fff;
  color: var(--text-2); display: flex; align-items: center; justify-content: center;
  transition: all .15s; flex: 0 0 auto;
}
.icon-btn:hover { border-color: var(--primary-2); color: var(--primary); background: var(--primary-weak); }
.balance-tag { font-size: 12.5px; color: var(--text-2); font-weight: 600; white-space: nowrap; flex-shrink: 0; }
.balance-tag .v { color: var(--primary); }

/* collapsed sidebar */
.app-shell.collapsed .sidebar {
  width: var(--sidebar-collapsed);
  flex: 0 0 var(--sidebar-collapsed);
}
.app-shell.collapsed .sidebar-brand .brand-text { display: none; }
.app-shell.collapsed .nav-group-label,
.app-shell.collapsed .nav-item .txt { display: none; }
.app-shell.collapsed .sidebar-nav { padding: 6px 6px 12px; }
.app-shell.collapsed .nav-item { justify-content: center; padding: 11px 6px; }
.app-shell.collapsed .sidebar-foot .nav-item { justify-content: center; padding: 11px 6px; }

.content { padding: 20px; flex: 1; width: 100%; max-width: 1280px; margin: 0 auto; overflow-x: hidden; }

/* ========== buttons ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 600; border: 1px solid transparent;
  transition: all .15s; white-space: nowrap; user-select: none;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 1px 3px rgba(79,70,229,.3); }
.btn-primary:hover:not(:disabled) { background: #4338ca; }
.btn-soft { background: var(--primary-weak); color: var(--primary); }
.btn-soft:hover:not(:disabled) { background: var(--primary-weak-2); }
.btn-outline { background: #fff; border-color: var(--border-2); color: var(--text); }
.btn-outline:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover:not(:disabled) { background: var(--bg); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger-soft { background: var(--danger-weak); color: var(--danger); }
.btn-sm { padding: 5px 11px; font-size: 12.5px; border-radius: 8px; }
.btn-lg { padding: 11px 24px; font-size: 15px; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn .ico { flex: 0 0 auto; }

/* ========== inputs ========== */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.field .hint { font-size: 12px; color: var(--text-3); margin-top: 5px; }
.input, .select, .textarea {
  width: 100%; padding: 9px 13px; border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); background: #fff; font-size: 14px;
  transition: border-color .15s, box-shadow .15s; outline: none;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-weak);
}
.textarea { resize: vertical; min-height: 88px; }
.input-group { display: flex; gap: 8px; }
.input-group > * { flex: 1; }
.input-icon { position: relative; }
.input-icon .ico { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-3); display: flex; align-items: center; }
.input-icon .input { padding-left: 38px; }

/* ========== cards ========== */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.card-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.card-head h3 { font-size: 14px; font-weight: 700; }
.card-body { padding: 18px; }
.mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; } .mt-20 { margin-top: 20px; }
.mb-8 { margin-bottom: 8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; }
.grow { flex: 1; }
.flex { display: flex; align-items: center; gap: 8px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.gap { gap: 10px; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.muted { color: var(--text-3); }

/* stat cards */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow-sm); }
.stat-card .label { font-size: 12.5px; color: var(--text-3); display: flex; align-items: center; gap: 6px; }
.stat-card .value { font-size: 24px; font-weight: 800; margin-top: 6px; letter-spacing: -.5px; }
.stat-card .trend { font-size: 12px; margin-top: 4px; }
.trend-up { color: var(--success); }
.trend-down { color: var(--danger); }

/* tables */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; padding: 10px 12px; font-size: 11.5px; font-weight: 700; color: var(--text-3); letter-spacing: .3px; background: var(--panel-2); border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tbl tbody tr:hover { background: #fafaff; }
.tbl .row-actions { white-space: nowrap; }
.tbl .row-actions-inner { display: inline-flex; gap: 5px; justify-content: flex-end; align-items: center; }

/* badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.badge-green { background: var(--success-weak); color: var(--success); }
.badge-red { background: var(--danger-weak); color: var(--danger); }
.badge-amber { background: var(--warning-weak); color: var(--warning); }
.badge-orange { background: var(--warning-weak); color: var(--warning); }
.badge-blue { background: var(--info-weak); color: var(--info); }
.badge-gray { background: #eef0f6; color: var(--text-2); }
.badge-violet { background: var(--primary-weak); color: var(--primary); }

/* toggle */
.toggle { position: relative; display: inline-block; width: 42px; height: 24px; flex: 0 0 auto; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .track { position: absolute; inset: 0; border-radius: 999px; background: #d9dce8; transition: background .18s; cursor: pointer; }
.toggle .track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: transform .18s; }
.toggle input:checked + .track { background: var(--primary); }
.toggle input:checked + .track::after { transform: translateX(18px); }

/* modal */
.modal-mask { position: fixed; inset: 0; background: rgba(15,17,32,.45); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px; overflow-y: auto; }
.modal-mask.open { display: flex; }
.modal { background: #fff; border-radius: var(--radius-lg); width: 100%; max-width: 500px; box-shadow: var(--shadow-lg); animation: modalIn .18s ease; }
.modal.lg { max-width: 700px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px 0; }
.modal-head h3 { font-size: 15px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-3); padding: 5px; border-radius: 8px; display: flex; }
.modal-close:hover { background: var(--bg); color: var(--text); }
.modal-body { padding: 16px 20px 20px; }

@keyframes modalIn { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }

/* toast — 最多同时显示 2 条 */
.toast-wrap { position: fixed; top: 16px; right: 16px; z-index: 200; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast-wrap > * { pointer-events: auto; }
.toast {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow-lg); padding: 11px 16px; display: flex; align-items: center; gap: 10px;
  min-width: 220px; max-width: 360px; animation: toastIn .2s ease;
}
.toast .msg { font-size: 13px; font-weight: 500; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
.toast.warn { border-left: 4px solid var(--warning); }
@keyframes toastIn { from { transform: translateX(16px); opacity: 0; } to { transform: none; opacity: 1; } }

/* progress */
.progress-track { height: 8px; border-radius: 999px; background: #eceef6; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); transition: width .4s ease; }

/* upload zone */
.upload-zone { border: 2px dashed var(--border-2); border-radius: var(--radius); padding: 36px 20px; text-align: center; cursor: pointer; transition: all .18s; background: var(--panel-2); }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--primary); background: var(--primary-weak); }
.upload-zone .title { font-size: 14px; font-weight: 600; margin-top: 10px; }
.upload-zone .sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.upload-zone .ico { color: var(--primary); }

/* tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tab { padding: 8px 14px; font-size: 13.5px; font-weight: 600; color: var(--text-2); border: none; background: none; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; flex-shrink: 0; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* zone cards */
.zone-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; display: flex; flex-direction: column; gap: 10px; transition: box-shadow .18s;
}
.zone-card:hover { box-shadow: var(--shadow); }
.zone-card .zc-head { display: flex; gap: 10px; align-items: flex-start; }
.zone-card .zc-avatar { width: 44px; height: 44px; border-radius: 12px; flex: 0 0 auto; background: var(--primary-weak); display: flex; align-items: center; justify-content: center; color: var(--primary); overflow: hidden; }
.zone-card .zc-avatar img { width: 100%; height: 100%; object-fit: cover; }
.zone-card .zc-name { font-weight: 700; font-size: 14px; display: flex; align-items: center; gap: 6px; }
.zone-card .zc-desc { font-size: 12.5px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.zone-card .zc-meta { font-size: 11.5px; color: var(--text-3); display: flex; gap: 10px; flex-wrap: wrap; }
.zone-card .zc-foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px dashed var(--border); padding-top: 10px; }
.zone-card .zc-actions { display: flex; gap: 6px; }

/* marketplace grid */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.plaza-zones { display: flex; gap: 8px; flex-wrap: wrap; }
.plaza-zone-tab {
  border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  padding: 6px 14px; font-size: 12.5px; cursor: pointer; color: var(--text-2);
  background: transparent; transition: all .15s ease; font-weight: 600;
}
.plaza-zone-tab:hover { border-color: var(--primary); color: var(--primary); }
.plaza-zone-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2, #8b5cf6));
  color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(99,102,241,.3);
}

/* chat */
.chat-layout { display: flex; gap: 14px; }
.chat-side { width: 240px; flex: 0 0 240px; }
.chat-main { flex: 1; min-width: 0; }
.chat-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; flex-direction: column; height: calc(100vh - 150px); min-height: 420px;
}
.chat-messages { flex: 1; overflow-y: auto; padding: 18px; }
.msg { display: flex; gap: 10px; margin-bottom: 18px; }
.msg .av { width: 32px; height: 32px; border-radius: 50%; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; }
.msg.user { flex-direction: row-reverse; }
.msg.user .av { background: var(--primary); color: #fff; }
.msg.ai .av { background: var(--primary-weak); color: var(--primary); }
.msg .bubble { max-width: 80%; padding: 10px 14px; border-radius: 14px; font-size: 13.5px; white-space: pre-wrap; word-break: break-word; }
.msg.user .bubble { background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.msg.ai .bubble { background: var(--panel-2); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.chat-input { border-top: 1px solid var(--border); padding: 12px; display: flex; gap: 10px; align-items: flex-end; }
.chat-input .ta { flex: 1; border: 1px solid var(--border-2); border-radius: 14px; padding: 10px 14px; font-size: 13.5px; resize: none; max-height: 130px; outline: none; font-family: inherit; }
.chat-input .ta:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-weak); }
.msg-send { width: 40px; height: 40px; border-radius: 12px; border: none; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.msg-send:hover { background: #4338ca; }
.conv-item { padding: 9px 12px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; gap: 8px; font-size: 13px; }
.conv-item:hover { background: var(--bg); }
.conv-item.active { background: var(--primary-weak); color: var(--primary); font-weight: 600; }

/* wallet */
.wallet-col { max-width: 840px; margin: 0 auto; width: 100%; }
.wallet-hero {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  border-radius: var(--radius-lg); padding: 22px 26px; color: #fff; box-shadow: var(--shadow);
}
.wallet-hero .lb { font-size: 12.5px; opacity: .88; display: flex; align-items: center; gap: 6px; }
.wallet-hero .vl { font-size: 28px; font-weight: 800; margin-top: 4px; }
.wallet-hero .vsmall { font-size: 13px; opacity: .9; margin-top: 5px; }
.wallet-hero .hero-stat { text-align: right; }

/* play-head */
.play-head {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 14px;
}
.play-head .tag { font-size: 12px; color: var(--text-3); }
.play-head .tag b { color: var(--primary); }

/* empty */
.empty { text-align: center; padding: 50px 20px; color: var(--text-3); }
.empty .title { font-size: 14px; font-weight: 600; margin-top: 12px; color: var(--text-2); }
.empty .sub { font-size: 12.5px; margin-top: 5px; }

/* auth page */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(160deg, #eef1ff 0%, var(--bg) 50%); }
.auth-card { width: 100%; max-width: 400px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 30px 28px; }
.auth-logo { position: relative; width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, var(--primary), #7c3aed); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; color: #fff; }
.auth-logo .logo-dot { position: absolute; width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,0.95); }
.auth-logo .logo-dot-a { transform: translate(-6px, -4px); }
.auth-logo .logo-dot-b { width: 14px; height: 14px; transform: translate(9px, 8px); background: rgba(255,255,255,0.7); }
.auth-title { text-align: center; font-size: 20px; font-weight: 800; }
.auth-sub { text-align: center; color: var(--text-3); font-size: 12.5px; margin: 6px 0 24px; }
.auth-link { text-align: center; font-size: 12.5px; margin-top: 16px; color: var(--text-2); }

/* misc */
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.avatar { width: 34px; height: 34px; border-radius: 50%; flex: 0 0 auto; overflow: hidden; background: var(--primary-weak); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.lg { width: 56px; height: 56px; font-size: 20px; }
.pill-radio { display: flex; flex-wrap: wrap; gap: 8px; }
.pill-radio .pr { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border-2); background: #fff; font-size: 12.5px; font-weight: 600; color: var(--text-2); cursor: pointer; transition: all .15s; }
.pill-radio .pr:hover { border-color: var(--primary-2); }
.pill-radio .pr.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.kbd { font-family: var(--mono); font-size: 11px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 5px; padding: 2px 6px; }
code, pre { font-family: var(--mono); }
pre.code { background: #11142a; color: #dfe3f5; padding: 16px; border-radius: 10px; overflow: auto; font-size: 12.5px; line-height: 1.7; }
.pre.code .tok-k { color: #a5b4fc; } pre.code .tok-s { color: #86efac; } pre.code .tok-c { color: #64748b; }
.checkbox { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--text-2); }
.checkbox input { accent-color: var(--primary); width: 15px; height: 15px; }
.reg-benefit { background: var(--primary-weak); border: 1px solid var(--primary-2); border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 14px; font-size: 13px; color: var(--primary); }
.secret-box { font-family: var(--mono); background: var(--panel-2); border: 1px dashed var(--border-2); padding: 8px 10px; border-radius: 8px; font-size: 12px; word-break: break-all; }
.scroll-thin::-webkit-scrollbar { width: 6px; height: 6px; }
.scroll-thin::-webkit-scrollbar-thumb { background: #d5d9e8; border-radius: 6px; }
.scroll-thin::-webkit-scrollbar-track { background: transparent; }

/* section hide text utility */
.txt-hide { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ========== TG-style OTP input ========== */
.otp-wrap { display: flex; gap: 10px; justify-content: center; padding: 6px 0; }
.otp-slot {
  width: 46px; height: 56px; border-radius: 14px;
  border: 1.5px solid var(--border-2);
  background: var(--panel-2);
  color: var(--text-1);
  font-size: 26px; font-weight: 800;
  font-variant-numeric: tabular-nums;
  text-align: center; outline: none;
  transition: border-color .18s, box-shadow .18s, transform .12s, background .18s;
  caret-color: var(--primary);
}
.otp-slot::placeholder { color: transparent; }
.otp-slot:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-weak), 0 6px 18px rgba(99,102,241,.25);
  transform: translateY(-2px);
}
.otp-slot.pop { animation: otpPop .22s cubic-bezier(.2,.7,.3,1.3); }
.otp-slot.err { animation: otpErr .4s ease; border-color: var(--danger); box-shadow: 0 0 0 3px rgba(239,68,68,.18); color: var(--danger); }
.otp-slot.ok {
  border-color: #34d399; background: rgba(52,211,153,.14);
  color: #34d399;
  box-shadow: 0 0 18px rgba(52,211,153,.55), inset 0 0 12px rgba(52,211,153,.18);
}
.otp-enter { text-align: center; margin-top: 18px; min-height: 20px; font-size: 12.5px; color: var(--text-3); }
@keyframes otpPop {
  0% { transform: translateY(10px) scale(.72); opacity: 0; }
  55% { transform: translateY(-5px) scale(1.06); opacity: 1; }
  100% { transform: none; opacity: 1; }
}
@keyframes otpErr {
  0%, 100% { transform: none; }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

/* success overlay flash (green sweep, left -> right) */
.otp-success-flash {
  position: fixed; inset: 0; pointer-events: none; z-index: 999;
  background: radial-gradient(circle at 50% 45%, rgba(52,211,153,.16), transparent 62%);
  opacity: 0; animation: otpFlash .6s ease forwards;
}
@keyframes otpFlash {
  0% { opacity: 0; } 35% { opacity: 1; } 100% { opacity: 0; }
}

/* horizontally scrollable chart area */
.chart-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 2px; }
.chart-scroll canvas { min-width: 560px; width: 100%; display: block; height: 220px; }

/* ========== responsive: ≤900px ========== */
@media (max-width: 900px) {
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 80;
    width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
    transform: translateX(-100%); transition: transform .22s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .app-shell.collapsed .sidebar { /* on mobile collapsed state irrelevant, use overlay */ }
  .app-shell.mobile-collapsed .sidebar { transform: translateX(-100%); }
  .app-shell.collapsed .sidebar { /* desktop collapsed already set above */ }
  .main { width: 100%; }
  .content { padding: 16px; }
  .chat-layout { flex-direction: column; }
  .chat-side { width: 100%; flex: none; }
  .wallet-hero { flex-direction: column; text-align: center; }
  .wallet-hero .hero-stat { text-align: center; }
  .grid-cards { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== responsive: desktop wide ========== */
@media (min-width: 901px) {
  .sidebar { position: sticky; }
}