.appbody { min-height: 100vh; display: flex; flex-direction: column; }
.hidden { display: none !important; }
.wrap.wide { width: min(1180px, calc(100% - 32px)); }
.wrap.narrow { width: min(520px, calc(100% - 32px)); }
.muted { color: var(--muted); }
.sm { font-size: 13px; }
.mt { margin-top: 22px; }

header.top .wrap { gap: 18px; }
.tabs { display: flex; gap: 4px; margin-right: auto; margin-left: 18px; }
.tabs button { height: 34px; padding: 0 14px; border-radius: 10px; border: 1px solid transparent; background: transparent; color: var(--muted); font: inherit; font-size: 14.5px; cursor: pointer; }
.tabs button:hover { color: var(--text); background: var(--glass); }
.tabs button.on { color: var(--text); background: var(--glass-2); border-color: var(--glass-line); }
.who { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13.5px; }
.who span { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn.sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.btn.ghost { background: transparent; box-shadow: none; }
.btn.wide { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: default; transform: none; }

#views { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.view { flex: 1; padding: 34px 0 50px; }
.view.center { display: grid; place-items: center; padding: 24px; }
.spin { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--glass-line); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.input { width: 100%; height: 42px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--glass-line); background: rgba(255, 255, 255, 0.04); color: var(--text); font: inherit; font-size: 14.5px; outline: none; transition: border-color 0.15s, background 0.15s; }
.input:focus { border-color: rgba(182, 156, 255, 0.6); background: rgba(255, 255, 255, 0.07); }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row .btn { flex: 1; justify-content: center; white-space: nowrap; padding: 0 12px; }
.link { background: none; border: 0; color: var(--muted); font: inherit; font-size: 13px; cursor: pointer; margin-top: 10px; }
.link:hover { color: var(--text); text-decoration: underline; }
.msg { margin-top: 10px; font-size: 13.5px; color: var(--muted); min-height: 18px; }
.msg.bad { color: #f58a8a; }
.msg.ok { color: var(--ok); }
.or { display: flex; align-items: center; gap: 10px; margin: 16px 0 10px; color: var(--dim); font-size: 12.5px; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--glass-line); }

.authbox { display: flex; flex-direction: column; gap: 10px; }
.authbox h1 { margin: 10px 0 0; }
.authbox p { margin: 0 0 8px; }
.authbox img { align-self: center; border-radius: 12px; }

.verify { padding: 28px; }
.verify h2 { margin: 0 0 8px; }
.verify p { color: var(--muted); }

.dash-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.dash-head h1 { margin: 0; font-size: 32px; letter-spacing: -0.5px; }
.dash-head p { margin: 4px 0 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 14px; }
.stat { padding: 18px 20px; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 30px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; letter-spacing: -0.5px; }
.stat .sub { color: var(--dim); font-size: 12.5px; margin-top: 2px; }
.stat .bar { height: 6px; border-radius: 99px; background: rgba(255, 255, 255, 0.08); margin-top: 10px; overflow: hidden; }
.stat .bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, #8b5cf6, #6f7bff); }
.grid2 { display: grid; grid-template-columns: 1.6fr 1fr; gap: 14px; margin-bottom: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card h3 { margin: 0 0 6px; font-size: 16.5px; }
.card .msg { margin-top: 8px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.field { display: block; margin: 10px 0; }
.field span { display: block; color: var(--muted); font-size: 12.5px; margin-bottom: 5px; }
.amounts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 14px; }
.amounts button { height: 44px; border-radius: 12px; border: 1px solid var(--glass-line); background: var(--glass); color: var(--text); font: inherit; font-weight: 600; cursor: pointer; transition: background 0.15s, border-color 0.15s; }
.amounts button:hover { border-color: rgba(182, 156, 255, 0.55); background: rgba(139, 92, 246, 0.18); }
.code-row { display: flex; gap: 8px; align-items: center; margin: 10px 0; }
.code-row code { flex: 1; height: 40px; display: flex; align-items: center; padding: 0 14px; border-radius: 12px; border: 1px dashed rgba(255, 255, 255, 0.22); font: 600 16px ui-monospace, Consolas, monospace; letter-spacing: 3px; }
.refstats { color: var(--muted); font-size: 13px; }

.chart { position: relative; height: 180px; margin-left: 30px; display: flex; align-items: flex-end; gap: 2px; margin-top: 16px; border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
.chart .col { flex: 1; height: 100%; display: flex; align-items: flex-end; cursor: default; }
.chart .col i { display: block; width: 100%; min-height: 0; border-radius: 4px 4px 0 0; background: #9370f2; transition: filter 0.15s; }
.chart .col:hover i { filter: brightness(1.25); }
.chart .col.zero i { height: 2px !important; background: rgba(255, 255, 255, 0.12); border-radius: 1px; }
.chart .grid { position: absolute; left: 0; right: 0; border-top: 1px dashed rgba(255, 255, 255, 0.07); pointer-events: none; }
.chart .grid span { position: absolute; left: -30px; width: 24px; text-align: right; top: -9px; font-size: 11px; color: var(--dim); }
.chart-axis { margin-left: 30px; display: flex; justify-content: space-between; color: var(--dim); font-size: 11.5px; margin-top: 6px; }
.tip { position: fixed; z-index: 50; pointer-events: none; padding: 8px 11px; border-radius: 10px; font-size: 12.5px; line-height: 1.45; background: rgba(20, 16, 32, 0.92); border: 1px solid var(--glass-line); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); }
.tip b { color: var(--text); }

.adm-table { display: grid; grid-template-columns: 1fr auto auto; gap: 6px 18px; font-size: 13.5px; margin-top: 10px; }
.adm-table .h { color: var(--dim); font-size: 12px; text-align: right; }
.adm-table span { color: var(--muted); }
.adm-table em { font-style: normal; text-align: right; font-variant-numeric: tabular-nums; }
.list { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; font-size: 13px; max-height: 420px; overflow: auto; }
.list .item { display: flex; justify-content: space-between; gap: 10px; padding: 8px 10px; border-radius: 10px; background: rgba(255, 255, 255, 0.03); }
.list .item span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list .item span:last-child { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }

.chat-shell { flex: 1; display: flex; min-height: 0; height: calc(100vh - 61px); }
#vChat { padding: 0; display: flex; }
.chat-side { width: 260px; flex: none; padding: 16px 12px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; background: rgba(10, 8, 18, 0.35); backdrop-filter: blur(14px); }
.convos { display: flex; flex-direction: column; gap: 4px; overflow: auto; }
.convo { display: flex; align-items: center; gap: 6px; padding: 9px 10px; border-radius: 10px; color: var(--muted); font-size: 13.5px; cursor: pointer; border: 1px solid transparent; }
.convo:hover { background: var(--glass); color: var(--text); }
.convo.on { background: var(--glass-2); color: var(--text); border-color: var(--glass-line); }
.convo span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.convo button { border: 0; background: none; color: var(--dim); cursor: pointer; padding: 0 2px; font-size: 14px; visibility: hidden; }
.convo:hover button { visibility: visible; }
.convo button:hover { color: #f58a8a; }
.chat-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.chat-bar { display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.chat-bar .muted { margin-left: auto; }
.side-toggle { display: none; }
.seg { display: inline-flex; padding: 3px; border-radius: 12px; background: var(--glass); border: 1px solid var(--glass-line); }
.seg button { height: 30px; padding: 0 12px; border-radius: 9px; border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 13.5px; cursor: pointer; }
.seg button.on { color: #fff; background: rgba(139, 92, 246, 0.55); }
.messages { flex: 1; overflow-y: auto; padding: 22px max(18px, calc((100% - 820px) / 2)); display: flex; flex-direction: column; gap: 14px; }
.empty-chat { margin: auto; text-align: center; color: var(--muted); max-width: 440px; }
.empty-chat h2 { color: var(--text); margin: 0 0 6px; font-size: 26px; }
.suggest { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 18px; }
.suggest button { text-align: left; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--glass-line); background: var(--glass); color: var(--muted); font: inherit; font-size: 13.5px; cursor: pointer; }
.suggest button:hover { color: var(--text); border-color: rgba(182, 156, 255, 0.5); }
.m-user { align-self: flex-end; max-width: 80%; padding: 10px 14px; border-radius: 16px 16px 4px 16px; background: rgba(139, 92, 246, 0.28); border: 1px solid rgba(182, 156, 255, 0.3); white-space: pre-wrap; overflow-wrap: anywhere; }
.m-user .pics { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.m-user .pics img { max-height: 120px; max-width: 200px; border-radius: 10px; }
.m-ai { align-self: stretch; padding: 14px 18px; border-radius: 16px; background: var(--glass); border: 1px solid var(--glass-line); overflow-wrap: anywhere; }
.m-ai .md { line-height: 1.65; }
.m-ai .md p { margin: 0 0 10px; }
.m-ai .md p:last-child { margin-bottom: 0; }
.m-ai .md pre { background: rgba(0, 0, 0, 0.35); padding: 12px; border-radius: 10px; overflow: auto; font-size: 13px; }
.m-ai .md code { font-family: ui-monospace, Consolas, monospace; font-size: 0.92em; }
.m-ai .md :not(pre) > code { background: rgba(255, 255, 255, 0.08); padding: 1px 5px; border-radius: 5px; }
.m-ai .md table { border-collapse: collapse; margin: 8px 0; }
.m-ai .md th, .m-ai .md td { border: 1px solid var(--glass-line); padding: 5px 9px; }
.m-ai .md .katex-display { overflow-x: auto; overflow-y: hidden; }
.m-ai details { margin-bottom: 10px; }
.m-ai summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.m-ai details .thought { white-space: pre-wrap; color: var(--dim); font-size: 13px; margin-top: 6px; max-height: 260px; overflow: auto; }
.m-ai .foot { display: flex; gap: 10px; margin-top: 10px; color: var(--dim); font-size: 12px; align-items: center; }
.m-ai .foot button { border: 0; background: none; color: var(--dim); cursor: pointer; font: inherit; }
.m-ai .foot button:hover { color: var(--text); }
.m-ai.err { border-color: rgba(245, 138, 138, 0.4); color: #f8b4b4; }
.dots { display: inline-flex; gap: 4px; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.dots i:nth-child(2) { animation-delay: 0.2s; }
.dots i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }
.composer { padding: 10px max(18px, calc((100% - 820px) / 2)) 14px; }
.composer-row { display: flex; align-items: flex-end; gap: 8px; padding: 8px; border-radius: 18px; background: var(--glass); border: 1px solid var(--glass-line); backdrop-filter: var(--blur); box-shadow: inset 0 1px 0 var(--glass-hi); }
.composer-row.drop { border-color: rgba(182, 156, 255, 0.7); box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25); }
.composer textarea { flex: 1; resize: none; border: 0; outline: none; background: transparent; color: var(--text); font: inherit; font-size: 15px; line-height: 1.5; padding: 8px 4px; max-height: 200px; }
.iconbtn { width: 40px; height: 40px; flex: none; display: grid; place-items: center; border-radius: 12px; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.iconbtn:hover { background: var(--glass-2); color: var(--text); }
.send { width: 40px; height: 40px; flex: none; display: grid; place-items: center; border-radius: 12px; border: 0; cursor: pointer; color: #fff; background: linear-gradient(135deg, #8b5cf6, #6366f1); box-shadow: 0 6px 18px rgba(124, 77, 238, 0.45); }
.send.stop { background: rgba(245, 138, 138, 0.2); color: #f58a8a; box-shadow: none; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.chips:empty { display: none; }
.chip { position: relative; }
.chip img { height: 64px; border-radius: 10px; border: 1px solid var(--glass-line); display: block; }
.chip button { position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 50%; border: 0; background: #2a2340; color: var(--text); cursor: pointer; font-size: 12px; }
.hint { text-align: center; margin-top: 8px; }
.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 60; padding: 10px 16px; border-radius: 12px; background: rgba(30, 24, 46, 0.95); border: 1px solid var(--glass-line); font-size: 14px; box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4); }

@media (max-width: 960px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .appbody header .brand span { display: none; }
  header.top .wrap { gap: 8px; }
  .who .btn { padding: 0 10px; }
  .tabs { margin-left: 0; }
  .tabs button { padding: 0 9px; font-size: 13.5px; }
  .who span { display: none; }
  .chat-side { position: fixed; z-index: 30; top: 61px; bottom: 0; left: 0; transform: translateX(-100%); transition: transform 0.2s; background: rgba(12, 10, 20, 0.96); }
  .chat-side.open { transform: none; }
  .side-toggle { display: inline-flex; }
  .suggest { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat { padding: 14px; }
  .stat .value { font-size: 23px; }
  .dash-head h1 { font-size: 26px; }
  .amounts { grid-template-columns: repeat(3, 1fr); }
  .m-user { max-width: 92%; }
}