:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d1f23;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2f6fed;
  --accent-hover: #2459c7;
  --danger: #d93a3a;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b; --card: #1e2126; --text: #e6e7ea; --muted: #9aa0aa;
    --border: #2d3138; --accent: #4c86ff; --accent-hover: #3a73ea; --danger: #ef5b5b;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; padding: 40px 0; }
.error { color: var(--danger); min-height: 1em; margin: 0; }

button, .button {
  font: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--card);
  color: var(--text); padding: 8px 14px; border-radius: 8px; display: inline-flex; align-items: center;
}
button:hover, .button:hover { border-color: var(--muted); }
.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.primary:hover { background: var(--accent-hover); }
.ghost { background: transparent; border-color: transparent; }
.ghost:hover { background: var(--border); }
.danger { color: var(--danger); }
button.small { padding: 4px 8px; font-size: 13px; }

input {
  font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); width: 100%;
}

/* Вход */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.card {
  background: var(--card); padding: 32px; border-radius: var(--radius); width: 100%; max-width: 360px;
  display: flex; flex-direction: column; gap: 12px; box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.card h1 { margin: 0 0 8px; font-size: 24px; }
.card a { color: var(--accent); font-size: 14px; text-align: center; }

/* Приложение */
#app { max-width: 1000px; margin: 0 auto; padding: 0 16px 40px; }
.topbar { display: flex; align-items: center; gap: 16px; padding: 14px 0; flex-wrap: wrap; }
.logo { font-weight: 700; font-size: 18px; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tab { border-color: transparent; background: transparent; }
.tab.active { background: var(--card); border-color: var(--border); font-weight: 600; }
.user { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }

.quota { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
#quotaBar { height: 100%; width: 0; background: var(--accent); transition: width .3s; }
#quotaText { margin: 6px 0 16px; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.breadcrumbs { font-size: 17px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.crumb { color: var(--text); text-decoration: none; font-weight: 600; }
a.crumb { color: var(--accent); font-weight: 400; }
.sep { color: var(--muted); }
.actions { display: flex; gap: 8px; }

.list {
  background: var(--card); border-radius: var(--radius); border: 1px solid var(--border);
  min-height: 300px; transition: border-color .15s;
}
.list.drag { border: 2px dashed var(--accent); }

.row {
  display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.row:last-child { border-bottom: none; }
.row:hover { background: var(--bg); }
.name { display: flex; align-items: center; gap: 10px; min-width: 0; }
.name.clickable { cursor: pointer; }
.icon { font-size: 20px; }
.title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-actions { display: flex; gap: 2px; opacity: 0; transition: opacity .15s; }
.row:hover .row-actions { opacity: 1; }

/* Загрузки */
.upload { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; margin-bottom: 8px; }
.progress { height: 4px; background: var(--border); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.progress div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 8px; z-index: 10;
}
.toast.error-bg { background: var(--danger); color: #fff; }

/* Телефон */
@media (max-width: 640px) {
  .row { grid-template-columns: 1fr; gap: 4px; }
  .row-actions { opacity: 1; flex-wrap: wrap; }
  .user span { display: none; }
}

/* Админка */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.stat-value { font-size: 20px; font-weight: 700; margin-top: 4px; }
#adminView .row-actions { opacity: 1; }
#phoneForm p, #codeForm p.muted { margin: 0; }
button:disabled { opacity: .5; cursor: default; }