:root {
  --bg: #0a0a0f;
  --bg2: #0f0f1a;
  --surf: #141420;
  --surf2: #181826;
  --border: #1e1e2e;
  --text: #e8e8f0;
  --muted: #9090a8;
  --dim: #50506a;
  --accent: #6c63ff;
  --accent2: #9b8cff;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body.pos-body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  overflow: hidden;
}

.pos-app { display: flex; height: 100vh; }
.pos-side {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.pos-logo {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}
.pos-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: #6c63ff33; border: 1px solid #6c63ff4d;
  display: grid; place-items: center; color: var(--accent); font-weight: 700;
}
.pos-logo strong { display: block; font-size: 13px; }
.pos-logo small { color: var(--dim); font-size: 10px; }
.pos-nav { flex: 1; overflow: auto; padding: 16px 8px; }
.pos-group { color: var(--dim); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; padding: 8px; }
.pos-link {
  display: flex; align-items: center; gap: 10px;
  width: 100%; border: 0; background: transparent;
  color: var(--muted); padding: 10px 12px; border-radius: 10px;
  cursor: pointer; font: inherit; text-align: left;
}
.pos-link:hover { color: var(--text); background: var(--surf); }
.pos-link.is-active { color: var(--text); background: #6c63ff22; border: 1px solid #6c63ff33; }
.pos-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.pos-top {
  height: 56px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; border-bottom: 1px solid var(--border); background: var(--surf);
}
.pos-top input {
  width: min(320px, 40vw); background: var(--surf2); border: 1px solid var(--border);
  color: var(--text); border-radius: 10px; padding: 8px 12px; font: inherit;
}
.pos-top-actions { display: flex; align-items: center; gap: 8px; }
.pos-icon-btn, .pos-btn {
  border: 0; cursor: pointer; font: inherit; border-radius: 10px;
}
.pos-icon-btn {
  width: 36px; height: 36px; background: transparent; color: var(--muted);
}
.pos-icon-btn:hover { background: var(--surf2); color: var(--text); }
.pos-btn {
  background: var(--accent); color: #fff; padding: 8px 14px; font-weight: 600;
}
.pos-btn:disabled { opacity: .4; }
.pos-ghost { background: transparent; color: var(--muted); padding: 8px 12px; }
.pos-content { flex: 1; overflow: auto; padding: 24px; }
.pos-h1 { margin: 0; font-size: 28px; }
.pos-sub { color: var(--muted); margin: 4px 0 20px; }
.pos-grid { display: grid; gap: 16px; }
.pos-grid-4 { grid-template-columns: repeat(4, 1fr); }
.pos-grid-3 { grid-template-columns: 2fr 1fr; }
.pos-card { background: var(--surf); border: 1px solid var(--border); border-radius: 16px; }
.pos-stat { padding: 16px; }
.pos-stat b { display: block; font-size: 28px; }
.pos-stat span { color: var(--dim); font-size: 12px; }
.pos-card-h { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.pos-task { display: flex; gap: 12px; align-items: center; padding: 12px 20px; border-bottom: 1px solid #1e1e2e80; }
.pos-check {
  width: 18px; height: 18px; border-radius: 6px; border: 2px solid var(--border);
  background: transparent; color: #fff; cursor: pointer;
}
.pos-check.is-on { background: var(--accent); border-color: var(--accent); }
.pos-dot { width: 8px; height: 8px; border-radius: 50%; }
.pos-done { text-decoration: line-through; color: var(--dim); }
.pos-row { display: flex; gap: 8px; flex-wrap: wrap; }
.pos-input, .pos-select, textarea.pos-input {
  background: var(--surf2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 10px 12px; font: inherit; width: 100%;
}
.pos-pill { border: 1px solid var(--border); background: transparent; color: var(--muted); border-radius: 8px; padding: 6px 10px; cursor: pointer; font: inherit; }
.pos-pill.is-on { background: var(--accent); color: #fff; border-color: var(--accent); }
.pos-empty { text-align: center; color: var(--dim); padding: 48px 16px; }
.pos-trade { display: flex; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid #1e1e2e80; }
.pos-plus { color: var(--ok); }
.pos-minus { color: var(--danger); }
.pos-footer-links { display: flex; justify-content: space-between; padding: 12px 20px; color: var(--muted); font-size: 12px; }
.pos-form { padding: 16px 20px; display: grid; gap: 10px; border-bottom: 1px solid var(--border); }
@media (max-width: 960px) {
  .pos-side { display: none; }
  .pos-grid-4, .pos-grid-3 { grid-template-columns: 1fr; }
}

.pos-login-body { display: grid; place-items: center; }
.pos-login {
  width: min(380px, 92vw); background: var(--surf); border: 1px solid var(--border);
  border-radius: 20px; padding: 32px; display: grid; gap: 12px; text-align: center;
}
.pos-login h1 { margin: 0; font-size: 22px; }
.pos-login p { margin: 0; color: var(--muted); font-size: 13px; }
.pos-login label { display: grid; gap: 6px; text-align: left; color: var(--muted); font-size: 12px; }
.pos-login input {
  background: var(--surf2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 10px 12px; font: inherit;
}
.pos-login-error { color: var(--danger) !important; }