:root { color-scheme: light; }
* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; margin: 0; background: #f6f7fb; color: #111; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 16px; }
.row { display: flex; gap: 12px; align-items: center; }
.grow { flex: 1; }
.topbar { background: #fff; border-bottom: 1px solid #e6e8ef; position: sticky; top: 0; z-index: 10; }
.brand a { font-weight: 700; }
.card { background: #fff; border: 1px solid #e6e8ef; border-radius: 14px; padding: 16px; box-shadow: 0 1px 0 rgba(0,0,0,.03); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 14px; }
@media (max-width: 980px) { .grid, .grid-2, .grid-3 { grid-template-columns: 1fr; } }
h1 { margin: 0 0 10px 0; font-size: 24px; }
h2 { margin: 10px 0; font-size: 18px; }
h3 { margin: 10px 0; font-size: 16px; }
.muted { color: #5b6270; font-size: 14px; }
.stack { display: flex; flex-direction: column; gap: 10px; }
input, textarea, select { width: 100%; padding: 10px 12px; border: 1px solid #d9ddea; border-radius: 10px; background: #fff; }
textarea { resize: vertical; }
.btn { border: 0; background: #2f5dff; color: #fff; padding: 10px 12px; border-radius: 10px; cursor: pointer; font-weight: 600; }
.btn:hover { filter: brightness(0.95); }
.btn-ghost { background: #eef1ff; color: #2037a8; }
.btn-danger { background: #d92d20; }
.pill { padding: 4px 10px; border-radius: 999px; background: #eef1ff; color: #2037a8; font-size: 12px; font-weight: 700; }
.flash-stack { display: grid; gap: 8px; margin-bottom: 12px; }
.flash { padding: 10px 12px; border-radius: 12px; border: 1px solid #e6e8ef; background: #fff; }
.flash-success { border-color: #b7f0c5; background: #f0fff4; }
.flash-error { border-color: #ffb4ab; background: #fff1f0; }
.flash-info { border-color: #c7d2fe; background: #eef2ff; }
.chatbox { border: 1px solid #e6e8ef; border-radius: 12px; padding: 10px; height: 300px; overflow: auto; background: #fafbff; margin-bottom: 10px; }
.chatline { padding: 6px 0; border-bottom: 1px dashed #e6e8ef; }
.note { border: 1px solid #e6e8ef; border-radius: 12px; padding: 10px; margin-bottom: 10px; }
.tile-card { cursor: move; resize: both; overflow: auto; min-height: 220px; min-width: 260px; }
.tile-card.dragging { opacity: 0.6; border-style: dashed; }
.tile-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.tile-controls { display: flex; gap: 8px; }
.tile-control-btn { border: 1px solid #d9ddea; background: #fff; border-radius: 8px; padding: 4px 8px; font-size: 12px; cursor: pointer; }
.tile-hidden { display: none; }
.tile-minimized .tile-body { display: none; }
.tile-manager { margin-bottom: 12px; }
.tile-manager-panel { display: none; margin-top: 8px; padding: 10px; border: 1px solid #e6e8ef; border-radius: 12px; background: #fff; }
.tile-manager-panel.open { display: block; }
.tile-manager-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; }
.tile-manager-item { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.user-search-form { position: relative; }
.autocomplete-list { display: none; margin-top: 8px; border: 1px solid #d9ddea; border-radius: 10px; background: #fff; box-shadow: 0 8px 22px rgba(0,0,0,.08); overflow: hidden; }
.autocomplete-list.open { display: block; }
.autocomplete-item { width: 100%; text-align: left; border: 0; border-bottom: 1px solid #edf0f6; background: #fff; padding: 10px 12px; cursor: pointer; }
.autocomplete-item:last-child { border-bottom: 0; }
.autocomplete-item:hover { background: #f3f6ff; }
.btn-inline { padding: 4px 8px; margin-left: 8px; font-size: 12px; }
.screen-preview { width: 100%; height: 300px; margin-top: 10px; border: 1px solid #e6e8ef; border-radius: 12px; background: #0d1117; object-fit: contain; }
.avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 1px solid #d9ddea; }
.avatar-lg { width: 72px; height: 72px; }
.avatar-fallback { display: flex; align-items: center; justify-content: center; background: #eef1ff; color: #2037a8; font-weight: 700; }
.popup-stack { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 10px; width: min(340px, calc(100vw - 32px)); z-index: 50; }
.popup-tile { border: 1px solid #d9ddea; border-radius: 12px; background: #fff; box-shadow: 0 10px 28px rgba(0,0,0,.18); padding: 12px; }
.popup-tile-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.popup-close { border: 1px solid #d9ddea; background: #fff; border-radius: 8px; cursor: pointer; }
hr { border: 0; height: 1px; background: #e6e8ef; margin: 12px 0; }