:root {
  /* Brand scale (default: Classic Green) */
  --brand-50:  #f0fdf4;
  --brand-100: #dcfce7;
  --brand-200: #bbf7d0;
  --brand-300: #86efac;
  --brand-400: #4ade80;
  --brand-500: #22c55e; /* primary */
  --brand-600: #16a34a; /* hover primary */
  --brand-700: #15803d;
  --brand-800: #166534;
  --brand-900: #14532d;

  /* Neutrals & surfaces */
  --bg:            #ffffff;
  --bg-muted:      #f3f4f6;  /* gray-100 */
  --surface:       #ffffff;
  --border:        #e5e7eb;  /* gray-200 */
  --shadow:        0 10px 24px rgba(0,0,0,.06), 0 2px 6px rgba(0,0,0,.04);

  --fg:            #111827;  /* gray-900 */
  --fg-muted:      #6b7280;  /* gray-500 */
  --fg-inverse:    #ffffff;

  /* States */
  --info:   #0ea5e9;
  --warn:   #f59e0b;
  --error:  #ef4444;
  --ok:     var(--brand-600);

  /* Radii & spacing */
  --radius-xl: 1rem;     /* 16px */
  --radius-2xl: 1.25rem; /* 20px */
  --radius-3xl: 1.5rem;  /* 24px */

  --space-1: .25rem; /* 4px */
  --space-2: .5rem;  /* 8px */
  --space-3: .75rem; /* 12px */
  --space-4: 1rem;   /* 16px */
  --space-5: 1.25rem;/* 20px */
  --space-6: 1.5rem; /* 24px */

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
               "Liberation Mono", "Courier New", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f0c;
    --bg-muted: #101612;
    --surface: #0e1411;
    --border: #1f2a24;
    --fg: #e5e7eb;
    --fg-muted: #9ca3af;
    --shadow: 0 8px 20px rgba(0,0,0,.5), 0 1px 3px rgba(0,0,0,.4);
  }
}

/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body { font-family: var(--font-sans); color: var(--fg); background: var(--bg); margin: 0; }
h1{font-size:2.25rem;line-height:1.2;font-weight:800;margin:0 0 1rem}
h2{font-size:1.875rem;line-height:1.25;font-weight:700;margin:1.5rem 0 1rem}
h3{font-size:1.5rem;line-height:1.3;font-weight:700;margin:1rem 0 .75rem}
p{font-size:1rem;line-height:1.5;margin:.5rem 0 1rem}
small{font-size:.875rem;color:var(--fg-muted)}
a{color:var(--brand-600);text-decoration:none}
a:hover{text-decoration:underline}

.container { max-width: 1080px; margin: 0 auto; padding: 1.25rem; }

/* Forms */
.ui-field { display: grid; gap: .375rem; }
.ui-label { font-size: .875rem; color: var(--fg); font-weight: 600; }
.ui-hint  { color: var(--fg-muted); }

.ui-input, .ui-select, .ui-textarea {
  display:flex; align-items:center; width:100%;
  height:44px; padding:0 var(--space-4);
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-2xl);
  color:var(--fg);
  transition:.15s ease;
  outline: none;
}
.ui-input::placeholder, .ui-textarea::placeholder { color: var(--fg-muted); }
.ui-input:hover, .ui-select:hover, .ui-textarea:hover { border-color:#d1d5db; }
.ui-input:focus, .ui-select:focus, .ui-textarea:focus {
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--brand-600) 25%, transparent);
}
.ui-input--error { border-color:var(--error); }
.ui-input--success { border-color:var(--ok); }
.ui-input--sm{height:36px;border-radius:var(--radius-xl)}
.ui-input--lg{height:52px;border-radius:var(--radius-3xl)}
.ui-textarea { height: auto; min-height: 96px; padding: var(--space-3) var(--space-4); resize: vertical; }

/* Extra Badges for Link Types */
.ui-badge--redirect { background: var(--brand-50); border-color: var(--brand-200); color: var(--brand-700); }
.ui-badge--wifi     { background: #ecfeff; border-color: #a5f3fc; color: #0e7490; }   /* голубой */
.ui-badge--contact  { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }   /* красный */
.ui-badge--spb      { background: #f5f3ff; border-color: #ddd6fe; color: #5b21b6; }   /* фиолетовый */
.ui-badge--menu     { background: #f3f4f6; border-color: #d1d5db; color: #374151; }   /* серый */
.ui-badge--donation { background: #fff0f5; border-color: #fbcfe8; color: #be185d; }   /* розовый */

/* Select arrow */
.ui-select {
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" stroke="%236b7280" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 8 10 12 14 8"/></svg>');
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 20px 20px;
  padding-right: 2.25rem;
}

/* Checkbox & Radio */
.ui-checkbox, .ui-radio {
  appearance:none; display:inline-grid; place-content:center;
  width:20px;height:20px; margin:0;
  background:var(--surface); border:1px solid var(--border);
  transition:.15s ease; outline:none; cursor:pointer;
}
.ui-checkbox { border-radius:.5rem; }
.ui-radio { border-radius:999px; }
.ui-checkbox:focus, .ui-radio:focus {
  box-shadow:0 0 0 3px color-mix(in srgb,var(--brand-600) 25%, transparent);
  border-color:var(--brand-600);
}
.ui-checkbox:checked { background:var(--brand-600); border-color:var(--brand-600); }
.ui-checkbox:checked::after{content:""; width:10px;height:10px; background:var(--fg-inverse); border-radius:.25rem}
.ui-radio:checked { border-color: var(--brand-600); }
.ui-radio:checked::after { content:""; width:10px; height:10px; background:var(--brand-600); border-radius:999px; display:block; }

/* Switch */
.ui-switch { position: relative; width: 48px; height: 28px; }
.ui-switch input { position:absolute; inset:0; opacity:0; }
.ui-switch .track {
  position:absolute; inset:0; border-radius:999px; background:#e5e7eb; transition:.15s ease;
  border:1px solid var(--border);
}
.ui-switch .thumb {
  position:absolute; top:50%; left:4px; transform:translateY(-50%);
  width:22px;height:22px;border-radius:999px;background:#fff; box-shadow: var(--shadow); transition:.15s ease;
}
.ui-switch input:checked + .track { background: var(--brand-600); border-color: var(--brand-600); }
.ui-switch input:checked + .track + .thumb { left: calc(100% - 26px); }

/* Buttons */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;height:44px;padding:0 1rem;border-radius:var(--radius-2xl);border:1px solid transparent;font-weight:600;cursor:pointer;transition:.15s ease;}
.ui-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
.ui-btn--primary{background:var(--brand-600);color:var(--fg-inverse);box-shadow:var(--shadow)}
.ui-btn--primary:hover{background:var(--brand-700)}
.ui-btn--primary:active{transform:translateY(1px)}
.ui-btn--secondary{background:transparent;color:var(--brand-700);border-color:var(--brand-600)}
.ui-btn--secondary:hover{background:var(--brand-50)}
.ui-btn--ghost{background:transparent;color:var(--fg);}
.ui-btn--ghost:hover{background:var(--bg-muted)}
.ui-btn--danger{background:var(--error);color:var(--fg-inverse)}
.ui-btn--sm{height:36px;border-radius:var(--radius-xl)}
.ui-btn--lg{height:52px;border-radius:var(--radius-3xl);padding:0 1.25rem}

/* Cards & Surfaces */
.ui-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3xl);padding:var(--space-5);box-shadow:var(--shadow)}
.ui-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-2xl);padding:var(--space-5)}
.ui-divider{height:1px;background:var(--border);border:0;margin:1rem 0}

/* Topbar & Sidebar */
.topbar { height: 64px; display:flex; align-items:center; justify-content:space-between; padding: 0 var(--space-5); background: var(--surface); border-bottom:1px solid var(--border); position: sticky; top:0; z-index:10; }
.brand { display:flex; align-items:center; gap:.5rem; font-weight:800; }
.brand .dot { width:14px;height:14px;border-radius:999px;background:var(--brand-600) }

.layout { display:grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 64px); }
.sidebar { background: var(--bg-muted); padding: var(--space-5); }
.nav a { display:flex; align-items:center; gap:.5rem; padding:.5rem .75rem; border-radius:.75rem; color: var(--fg); text-decoration:none; }
.nav a.active { background: var(--brand-50); border:1px solid var(--brand-200); }

/* Breadcrumbs */
.breadcrumbs { font-size:.875rem; color: var(--fg-muted); display:flex; gap:.25rem; align-items:center; }
.breadcrumbs a { color: var(--fg); }
.breadcrumbs .sep { opacity:.5; }

/* Table */
.ui-table{width:100%;border-collapse:separate;border-spacing:0 6px}
.ui-table thead th{font-size:.875rem;color:var(--fg-muted);text-align:left;padding:0 var(--space-4) var(--space-2)}
.ui-table tbody tr{background:var(--surface);border:1px solid var(--border)}
.ui-table tbody td{padding:var(--space-3) var(--space-4)}
.ui-table tbody tr:hover{background:var(--bg-muted)}

/* Alerts & Badges */
.ui-alert{display:flex;gap:.75rem;align-items:flex-start;border-radius:var(--radius-2xl);padding:var(--space-4);border:1px solid}
.ui-alert--info {background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}
.ui-alert--ok   {background:#ecfdf5;border-color:#a7f3d0;color:#047857}
.ui-alert--warn {background:#fffbeb;border-color:#fde68a;color:#b45309}
.ui-alert--err  {background:#fef2f2;border-color:#fecaca;color:#b91c1c}
.ui-badge{display:inline-flex;align-items:center;height:24px;padding:0 .5rem;border-radius:999px;border:1px solid var(--border);background:var(--bg-muted);font-size:.75rem;color:var(--fg)}
.ui-badge--brand{background:var(--brand-50);border-color:var(--brand-200);color:var(--brand-700)}

/* Progress & Skeleton */
.ui-progress { width:100%; height:8px; background: var(--bg-muted); border-radius:999px; overflow:hidden; border:1px solid var(--border); }
.ui-progress > span { display:block; height:100%; width:40%; background: var(--brand-600); }

.ui-skeleton { display:block; width:100%; height:1rem; border-radius:.5rem; background: linear-gradient(90deg, var(--bg-muted), #eaeaea, var(--bg-muted)); background-size: 200% 100%; animation: shimmer 1.4s ease-in-out infinite; }
@keyframes shimmer { 0%{ background-position: 200% 0; } 100%{ background-position: -200% 0; } }

/* Modal, Drawer, Popover */
.backdrop { position:fixed; inset:0; background: rgba(0,0,0,.4); display:none; place-items:center; }
.modal { width:min(720px, 92vw); background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-3xl); padding: var(--space-5); box-shadow: var(--shadow); }
.drawer { position: fixed; inset: 0 0 0 auto; width:min(420px, 92vw); background: var(--surface); border-left:1px solid var(--border); padding:var(--space-5); transform: translateX(100%); transition: transform .2s ease; }
.popover { position:absolute; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:.5rem .75rem; box-shadow: var(--shadow); display:none; }

.show { display: grid !important; }
.open { transform: translateX(0) !important; }

/* Utility */
.row { display:flex; flex-wrap:wrap; gap: .75rem; align-items:center; }
.col { display:flex; flex-direction:column; gap:.5rem; }
.pad { padding: var(--space-5); }
.mt { margin-top: 1rem; }
.grid { display:grid; gap:1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.center { display:flex; align-items:center; justify-content:center; }

/* Palette switcher demo bar */
.demo-bar { display:flex; flex-wrap:wrap; gap:.75rem; align-items:center; padding:.75rem 1rem; background: var(--bg-muted); border: 1px solid var(--border); border-radius: var(--radius-2xl); }

/* Tooltip (hover/focus) */
.tooltip { position: relative; display:inline-flex; align-items:center; }
.tooltip [data-tip] {
  position: absolute; left: 50%; transform: translateX(-50%) translateY(-8px);
  bottom: 100%; white-space: nowrap; background: var(--surface);
  border:1px solid var(--border); border-radius: 12px; padding: .375rem .5rem;
  box-shadow: var(--shadow); font-size: .875rem; color: var(--fg);
  opacity: 0; pointer-events: none; transition: opacity .12s ease, transform .12s ease;
}
.tooltip:focus-within [data-tip],
.tooltip:hover [data-tip] { opacity: 1; transform: translateX(-50%) translateY(-12px); }
/* tiny caret */
.tooltip [data-tip]::after {
  content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--border);
}
.tooltip [data-tip]::before {
  content: ""; position: absolute; top: calc(100% - 1px); left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: var(--surface);
}

/* Empty state */
.empty { display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:.75rem; text-align:center; background:var(--surface); border:1px solid var(--border);
  border-radius: var(--radius-3xl); padding: 2rem; min-height: 200px; }
.empty .empty-icon { width:56px; height:56px; border-radius:16px; background: var(--brand-50);
  border:1px solid var(--brand-200); display:grid; place-items:center; font-weight:800; color: var(--brand-700); }


  /* Popup (overlay modal variant with header X and bottom action) */
.popup-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: none; place-items: center; }
.popup         { width: min(640px, 92vw); max-height: min(80vh, 720px);
                 background: var(--surface); border: 1px solid var(--border);
                 border-radius: var(--radius-3xl); box-shadow: var(--shadow);
                 display: grid; grid-template-rows: auto 1fr auto; }
.popup__header { display:flex; align-items:center; justify-content:space-between;
                 gap:.75rem; padding: var(--space-5) var(--space-5) var(--space-3); }
.popup__title  { font-size: 1.25rem; font-weight: 700; margin: 0; }
.popup__close  { appearance:none; border:1px solid var(--border); background: transparent;
                 width:36px; height:36px; border-radius: 999px; display:grid; place-items:center;
                 cursor:pointer; transition:.15s ease; color: var(--fg); }
.popup__close:hover { background: var(--bg-muted); }
.popup__body   { padding: 0 var(--space-5); overflow: auto; }
.popup__footer { padding: var(--space-4) var(--space-5) var(--space-5);
                 border-top: 1px solid var(--border); display:flex; gap:.5rem; }
.popup__cta    { flex: 1 1 auto; } /* делает нижнюю кнопку растянутой по ширине */

@media (max-width: 480px) {
  .popup        { width: 94vw; border-radius: var(--radius-2xl); }
  .popup__title { font-size: 1.125rem; }
}

/* helper: show popup */
.show-popup { display: grid !important; }

/* Fixes/Polish for switch */
.ui-switch { display:inline-flex; vertical-align:middle; }
.ui-switch .track { box-sizing:border-box; }
.ui-switch .thumb { z-index:1; will-change:left, transform; }



/* actions: три строки + правый блок для QR */
.actions--stack { display:flex; flex-direction:column; gap:.5rem; width:100%; }
.actions--stack .row { display:flex; align-items:center; }
.actions--stack .row-3 { justify-content:space-between; }
.actions--stack .row-3 .pull-right { margin-left:auto; }

/* текстовые действия */
.action-link {
  color: var(--accent, #108a4b);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.action-link.muted { color: var(--fg-muted,#4b5563); font-weight:600; }
.action-link.small { font-weight:600; font-size: .92rem; }
.action-link:hover { text-decoration: underline; text-underline-offset: 2px; }
.action-link.is-disabled { opacity:.45; pointer-events:none; text-decoration:none; cursor: default; }


/* Switch */
.ui-switch { position:relative; display:inline-block; width:44px; height:24px; vertical-align:middle; }
.ui-switch input { position:absolute; inset:0; margin:0; opacity:0; cursor:pointer; z-index:2; }

/* дорожка */
.ui-switch .track{
  position:absolute; inset:0;
  background:#e6f5ec; border:1px solid #bfe6cb;
  border-radius:999px; transition:background .2s ease, border-color .2s ease;
  box-sizing:border-box;
}

/* бегунок */
.ui-switch .thumb{
  position:absolute; top:2px; left:2px;
  width:20px; height:20px; border-radius:50%;
  background:#fff; box-shadow:0 1px 2px rgba(0,0,0,.12);
  transition:left .2s ease, transform .2s ease;
  z-index:1;
}

/* включено */
.ui-switch input:checked + .track{ background:#16a34a; border-color:#16a34a; }
.ui-switch input:checked + .track + .thumb{ left:22px; }

/* disabled, если вдруг */
.ui-switch input:disabled{ cursor:not-allowed; }
.ui-switch input:disabled + .track{ opacity:.5; }