:root {
  --bg: #f4f6fa;
  --panel: #ffffff;
  --border: #e3e8f0;
  --text: #1a2333;
  --muted: #6b7690;
  --accent: #0f6cbd;
  --accent-dark: #0b5598;
  --ok: #1a9e5c;
  --warn: #e0a100;
  --bad: #d64545;
  --shadow: 0 1px 3px rgba(16, 40, 80, 0.08);
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

/* Верхняя панель */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 22px;
  background: #10233f;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 26px; }
.brand-name { font-weight: 700; font-size: 18px; letter-spacing: 1px; }
.brand-sub { font-size: 11px; opacity: 0.7; }
.nav { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; }
.nav-btn {
  border: 0; border-radius: 8px; padding: 8px 14px;
  background: transparent; color: #dbe6f5; cursor: pointer; font-size: 14px;
}
.nav-btn:hover { background: rgba(255, 255, 255, 0.08); }
.nav-btn.active { background: var(--accent); color: #fff; }
.status {
  font-size: 12px; padding: 4px 10px; border-radius: 20px;
  background: rgba(255,255,255,0.12); white-space: nowrap;
}
.status.ok { background: rgba(26, 158, 92, 0.35); }
.status.err { background: rgba(214, 69, 69, 0.4); }
.userbox { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.user-label { font-size: 13px; opacity: 0.9; max-width: 180px; overflow: hidden; text-overflow: ellipsis; }

/* Контейнер */
.container { max-width: 1080px; margin: 0 auto; padding: 24px 20px 60px; }
.view { animation: fade 0.25s ease; }
.hidden { display: none !important; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

h1 { font-size: 24px; margin: 8px 0 18px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.muted { color: var(--muted); font-size: 13px; }

/* Панели и карточки */
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; margin: 16px 0;
}
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 18px;
}
.card .label { font-size: 13px; color: var(--muted); }
.card .value { font-size: 30px; font-weight: 700; margin: 4px 0 8px; }
.dyn { font-size: 13px; }
.dyn .up { color: var(--ok); }
.dyn .down { color: var(--bad); }

/* Формы */
.form-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; align-items: end; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px;
}
.form-grid label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 5px; }
.form-grid label.checkbox { flex-direction: row; align-items: center; color: var(--text); }
input, select {
  padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; background: #fff; color: var(--text);
}
input:focus, select:focus { outline: 2px solid #b8d6f0; border-color: var(--accent); }
.btn {
  padding: 10px 16px; border: 0; border-radius: 8px; cursor: pointer; font-size: 14px;
  background: #e7ecf4; color: var(--text);
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }

/* Ставки */
.price-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 8px; }
.price-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; background: #fff; box-shadow: var(--shadow);
}
.price-card .p-label { font-size: 13px; color: var(--muted); }
.price-card .p-value { font-size: 24px; font-weight: 700; margin: 4px 0; }
.price-card .p-range { font-size: 13px; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: #eef3fa; border: 1px solid var(--border); border-radius: 20px;
  padding: 6px 12px; font-size: 13px; cursor: pointer;
}
.chip:hover { border-color: var(--accent); background: #e2edf9; }

/* Направления */
ul.clean { margin: 0; padding-left: 18px; }
ul.clean li { padding: 3px 0; }

/* Чат */
.chat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); display: flex; flex-direction: column; height: 62vh; min-height: 420px; }
.chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 80%; padding: 10px 13px; border-radius: 12px; font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.msg.ai { background: #eef3fa; align-self: flex-start; }
.msg.user { background: var(--accent); color: #fff; align-self: flex-end; }
.msg.err { background: #fdeaea; color: var(--bad); align-self: flex-start; }
.chat-input { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; }

.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 18px; }

@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; justify-content: flex-start; }
}