:root {
  --bg: #0f1117;
  --panel: #181b24;
  --panel-2: #1f2330;
  --border: #2a2f3d;
  --text: #e6e8ee;
  --muted: #8b91a1;
  --primary: #5b8cff;
  --primary-dark: #4574e6;
  --danger: #ff5b6e;
  --ok: #36c98b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.spacer { flex: 1; }
.error { color: var(--danger); font-size: 13px; min-height: 18px; margin: 6px 0; }

button { font-family: inherit; cursor: pointer; }

.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 14px;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: #262b3a; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { color: var(--danger); }

input, textarea, select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 9px 11px;
  font-size: 14px;
  width: 100%;
  font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); }

.view { height: 100vh; }

/* --- Auth --- */
.auth-view { display: flex; align-items: center; justify-content: center; }
.auth-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 360px;
  text-align: center;
}
.logo { margin: 0; font-size: 26px; }
.logo.small { font-size: 17px; font-weight: 600; }
.tabs { display: flex; gap: 8px; margin: 24px 0 16px; }
.tab {
  flex: 1; background: none; border: none; color: var(--muted);
  padding: 8px; border-bottom: 2px solid transparent; font-size: 15px;
}
.tab.active { color: var(--text); border-color: var(--primary); }
#auth-form { display: flex; flex-direction: column; gap: 12px; text-align: left; }

/* --- Topbar --- */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.status-badge { font-size: 12px; padding: 3px 10px; border-radius: 20px; border: 1px solid var(--border); }
.status-badge.running { color: var(--ok); border-color: var(--ok); }
.status-badge.stopped { color: var(--muted); }
.status-badge.error { color: var(--danger); border-color: var(--danger); }

/* --- Dashboard --- */
.dashboard { padding: 28px; max-width: 900px; margin: 0 auto; }
.dashboard-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.dashboard-head h2 { margin: 0; }
.bots-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.bot-card {
  position: relative; background: linear-gradient(160deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border); border-radius: 16px; padding: 18px;
  transition: transform .15s, border-color .15s, box-shadow .15s; overflow: hidden;
}
.bot-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), #8a6bff);
}
.bot-card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: 0 10px 28px rgba(0,0,0,.35); }
.bot-card-top { display: flex; align-items: center; gap: 14px; }
.bot-avatar {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #8a6bff);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; color: #fff;
}
.bot-meta { min-width: 0; }
.bot-card h3 { margin: 0 0 6px; font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status-pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px;
  padding: 3px 10px; border-radius: 20px; background: var(--bg); border: 1px solid var(--border); color: var(--muted);
}
.status-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.status-pill.running { color: var(--ok); border-color: rgba(54,201,139,.4); }
.status-pill.running .dot { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.status-pill.error { color: var(--danger); border-color: rgba(255,91,110,.4); }
.status-pill.error .dot { background: var(--danger); }
.bot-err { margin: 12px 0 0; }
.bot-actions { display: flex; gap: 8px; margin-top: 16px; }
.bot-actions .edit { flex: 1; }
.btn-ok { color: var(--ok); border-color: rgba(54,201,139,.4); }
.btn-ok:hover { background: rgba(54,201,139,.12); }
.btn-warn { color: #ffb454; border-color: rgba(255,180,84,.4); }
.btn-warn:hover { background: rgba(255,180,84,.12); }
.empty { color: var(--muted); text-align: center; padding: 60px; }

/* --- Editor --- */
.editor-tabs { display: flex; gap: 4px; margin-left: 18px; }
.etab {
  background: none; border: none; color: var(--muted); font-size: 14px;
  padding: 8px 12px; border-bottom: 2px solid transparent;
}
.etab.active { color: var(--text); border-color: var(--primary); }

.editor-body { display: flex; height: calc(100vh - 57px); }

/* --- Data tab --- */
.data-panel { height: calc(100vh - 57px); display: flex; flex-direction: column; }
.data-filters {
  display: flex; align-items: center; gap: 10px; padding: 14px 20px;
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.data-filters input[type="search"] { width: 240px; }
.data-filters input[type="date"] { width: auto; }
.data-filters label { display: flex; align-items: center; gap: 6px; }
.data-table-wrap { flex: 1; overflow: auto; padding: 0 20px 20px; }
.data-table { border-collapse: collapse; width: 100%; font-size: 13px; margin-top: 14px; }
.data-table th, .data-table td {
  border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top;
  white-space: pre-wrap; max-width: 320px;
}
.data-table th { background: var(--panel-2); position: sticky; top: 0; z-index: 1; }
.data-table tbody tr:hover { background: var(--panel); }
.data-table .col-meta { color: var(--muted); white-space: nowrap; }
.data-table .row-del { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 15px; }
.data-table .row-del:hover { color: var(--danger); }
.data-empty { color: var(--muted); text-align: center; padding: 50px; }
.palette {
  width: 220px; background: var(--panel); border-right: 1px solid var(--border);
  padding: 16px; overflow-y: auto; flex-shrink: 0;
}
.palette h3 { margin: 0 0 4px; }
.palette-item {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; margin-top: 10px; cursor: grab; font-size: 14px; user-select: none;
}
.palette-item:active { cursor: grabbing; }
.palette-hint { margin-top: 24px; }

.canvas-wrap { flex: 1; position: relative; overflow: auto; background:
  radial-gradient(circle, #232838 1px, transparent 1px); background-size: 22px 22px; }
.canvas { position: relative; width: 4000px; height: 3000px; }
.edges-layer { position: absolute; top: 0; left: 0; width: 4000px; height: 3000px; pointer-events: none; z-index: 1; }
.edges-layer path { stroke: var(--primary); stroke-width: 2; fill: none; }
.edges-layer path.hit { stroke: transparent; stroke-width: 14; pointer-events: stroke; cursor: pointer; }

/* Node */
.node {
  position: absolute; width: 220px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; z-index: 2; box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.node.selected { border-color: var(--primary); }
.node-head {
  padding: 8px 12px; font-size: 13px; font-weight: 600; border-bottom: 1px solid var(--border);
  cursor: move; display: flex; align-items: center; justify-content: space-between;
  border-radius: 10px 10px 0 0;
}
.node[data-type="start"] .node-head { background: #1c3a2b; }
.node[data-type="message"] .node-head { background: #1c2740; }
.node[data-type="buttons"] .node-head { background: #2c2440; }
.node[data-type="input"] .node-head { background: #3a2f1c; }
.node[data-type="condition"] .node-head { background: #3a1c25; }
.node-del { background: none; border: none; color: var(--muted); font-size: 16px; line-height: 1; }
.node-del:hover { color: var(--danger); }
.node-body { padding: 10px 12px; }
.node-body textarea { resize: vertical; min-height: 46px; font-size: 13px; }
.node-body label { display: block; font-size: 11px; color: var(--muted); margin: 8px 0 3px; }
.node-body input, .node-body select { font-size: 13px; padding: 6px 8px; }
.node-body .chk { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text); margin: 6px 0 0; }
.node-body .chk input { width: auto; padding: 0; }
.fields-box { margin-top: 4px; padding-left: 6px; border-left: 2px solid var(--border); }

/* Кнопки внутри node типа buttons */
.btn-rows { margin-top: 8px; }
.btn-row { display: flex; align-items: center; gap: 6px; margin-top: 6px; position: relative; }
.btn-row input { flex: 1; }
.btn-row .mini { background: none; border: none; color: var(--muted); font-size: 15px; }
.add-btn-row { margin-top: 8px; font-size: 12px; color: var(--primary); background: none; border: none; padding: 0; }

/* Порты соединений */
.port {
  position: absolute; width: 14px; height: 14px; border-radius: 50%;
  background: var(--panel-2); border: 2px solid var(--primary); z-index: 3;
}
.port.in { left: -8px; top: 14px; }
.port.out { right: -8px; cursor: crosshair; }
.port.out:hover { background: var(--primary); }
.port-label { position: absolute; right: 16px; font-size: 10px; color: var(--muted); white-space: nowrap; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 24px; width: 380px; }
.modal h3 { margin: 0 0 16px; }
.modal label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }