:root {
  --bg: #0f1318; --panel: #171c23; --panel2: #1d232c; --border: #2a313c;
  --text: #e6e9ee; --muted: #8b95a5; --accent: #4c8dff; --accent-text: #fff;
  --danger: #ef5350; --hidden: #f5a524; --hidden-bg: rgba(245, 165, 36, .08);
  --row-hover: #1b212a; --sel: #1f2b42; --shadow: 0 10px 40px rgba(0, 0, 0, .5);
  --radius: 10px;
}
:root[data-theme="light"] {
  --bg: #f4f6f9; --panel: #ffffff; --panel2: #f0f3f7; --border: #dde2ea;
  --text: #1b2330; --muted: #6a7587; --accent: #2f6fe4; --accent-text: #fff;
  --danger: #d32f2f; --hidden: #b86e00; --hidden-bg: rgba(255, 170, 0, .10);
  --row-hover: #f5f8fc; --sel: #e4eeff; --shadow: 0 10px 40px rgba(20, 30, 50, .18);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
body:not(.is-admin) .admin-only { display: none !important; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }

/* --- шапка --- */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 14px;
  padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; white-space: nowrap; }
.logo { font-size: 22px; }
.search { flex: 1; max-width: 460px; }
.search input {
  width: 100%; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel2); color: var(--text); outline: none;
}
.search input:focus { border-color: var(--accent); }
.top-actions { display: flex; gap: 8px; margin-left: auto; }

/* --- кнопки --- */
.btn, .icon-btn {
  font: inherit; color: var(--text); background: var(--panel2); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 14px; cursor: pointer; transition: background .12s, border-color .12s;
}
.btn:hover, .icon-btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.1); }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.danger.primary { background: var(--danger); color: #fff; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.icon-btn { padding: 5px 9px; line-height: 1; }

/* --- основной блок --- */
main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 16px 18px 24px; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-bottom: 12px; font-size: 15px; }
.crumbs a { padding: 3px 8px; border-radius: 6px; color: var(--muted); }
.crumbs a:hover { background: var(--panel2); color: var(--text); }
.crumbs a.current { color: var(--text); font-weight: 600; }
.crumbs a.hid { color: var(--hidden); }
.crumbs .sep { color: var(--muted); }
.drop-target { outline: 2px dashed var(--accent); outline-offset: -2px; background: var(--sel) !important; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.toolbar-group { display: flex; flex-wrap: wrap; gap: 8px; margin-right: auto; }
.selbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 8px 12px; margin-bottom: 12px;
  border-radius: var(--radius); background: var(--sel); border: 1px solid var(--accent);
}
.selbar span { margin-right: auto; font-weight: 600; }
.note {
  padding: 8px 12px; margin-bottom: 12px; border-radius: var(--radius); background: var(--panel2);
  border: 1px solid var(--border); color: var(--muted); font-size: 14px;
}
.note.hid { color: var(--hidden); background: var(--hidden-bg); border-color: var(--hidden); }
.note a { color: var(--accent); cursor: pointer; margin-left: 8px; }

/* --- таблица --- */
.list-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-weight: 600; font-size: 13px; color: var(--muted);
  padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--panel2); user-select: none;
}
th.sortable { cursor: pointer; }
th.sortable:hover { color: var(--text); }
th i { font-style: normal; font-size: 10px; }
td { padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--row-hover); }
tbody tr.selected { background: var(--sel); }
tbody tr.special { background: var(--hidden-bg); }
.c-check { width: 36px; }
.c-size { width: 110px; white-space: nowrap; color: var(--muted); }
.c-date { width: 160px; white-space: nowrap; color: var(--muted); }
.c-act { width: 120px; text-align: right; white-space: nowrap; }
td.c-act .icon-btn { border-color: transparent; background: transparent; font-size: 15px; }
td.c-act .icon-btn:hover { background: var(--panel2); border-color: var(--border); }

.namecell { display: flex; align-items: center; gap: 12px; min-width: 0; }
.ico {
  flex: none; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px;
  font-size: 18px; background: var(--panel2);
}
.ico.dir { background: rgba(76, 141, 255, .16); }
.ico.special { background: rgba(245, 165, 36, .2); }
.ntext { min-width: 0; display: flex; flex-direction: column; }
.name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.name:hover { color: var(--accent); }
tr.special .name { color: var(--hidden); font-weight: 600; }
.sub { font-size: 12px; color: var(--muted); }
.sub:hover { color: var(--accent); }
.empty { padding: 48px 16px; text-align: center; color: var(--muted); }

/* --- подвал --- */
.footer { padding: 12px 18px 18px; border-top: 1px solid var(--border); background: var(--panel); }
.usage { max-width: 1100px; margin: 0 auto; font-size: 13px; color: var(--muted); }
.bar { height: 8px; border-radius: 99px; background: var(--panel2); overflow: hidden; border: 1px solid var(--border); }
.fill { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.fill.warn { background: var(--hidden); }
.fill.crit { background: var(--danger); }
.usage .bar { margin-bottom: 6px; }

/* --- загрузка --- */
.drop-overlay {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center;
  background: rgba(10, 14, 20, .72); backdrop-filter: blur(2px); pointer-events: none;
}
.drop-overlay div {
  padding: 36px 56px; border: 3px dashed var(--accent); border-radius: 18px; font-size: 22px; color: #fff;
}
.uploads {
  position: fixed; right: 16px; bottom: 16px; z-index: 40; width: 380px; max-width: calc(100vw - 32px);
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 12px 14px;
}
.u-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.u-head b { flex: 1; }
.u-pct { font-size: 12px; color: var(--muted); margin: 6px 0; }
.u-list { max-height: 140px; overflow: auto; }
.u-row { font-size: 12px; margin-top: 6px; }
.u-row .u-name { display: flex; justify-content: space-between; gap: 8px; }
.u-row .u-name span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.u-row .bar { height: 4px; margin-top: 3px; }
.u-errors { max-height: 120px; overflow: auto; font-size: 12px; color: var(--danger); }
.u-errors div { margin-top: 4px; }

/* --- уведомления --- */
.toasts { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 100;
  display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  padding: 10px 16px; border-radius: 8px; background: var(--panel); border: 1px solid var(--border);
  box-shadow: var(--shadow); max-width: 90vw; font-size: 14px;
}
.toast.ok { border-color: #3fb950; }
.toast.error { border-color: var(--danger); color: var(--danger); }

/* --- диалоги --- */
dialog { color: var(--text); background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 0; box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(5, 8, 12, .6); }
.modal { width: min(440px, 94vw); }
.modal.wide { width: min(560px, 94vw); }
.modal form { padding: 20px; }
.modal h3 { margin: 0 0 12px; font-size: 18px; }
.modal-body { margin-bottom: 16px; }
.modal-body p { margin: 0 0 8px; word-break: break-word; }
.modal input[type="text"], .modal input[type="password"] {
  width: 100%; padding: 10px 12px; font: inherit; color: var(--text); background: var(--panel2);
  border: 1px solid var(--border); border-radius: 8px; outline: none;
}
.modal input:focus { border-color: var(--accent); }
.modal-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.form-error { color: var(--danger); font-size: 13px; margin-top: 8px; min-height: 1em; }
.check { display: flex; gap: 8px; align-items: center; margin-top: 10px; font-size: 14px; color: var(--muted); }
.muted { color: var(--muted); }
.picker-crumbs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.picker-crumbs button, .picker-item {
  font: inherit; color: var(--text); background: var(--panel2); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 10px; cursor: pointer;
}
.picker-crumbs button:hover, .picker-item:hover { border-color: var(--accent); }
.picker-list { display: flex; flex-direction: column; gap: 6px; max-height: 280px; overflow: auto; }
.picker-item { text-align: left; padding: 8px 12px; }
.picker-item.special { color: var(--hidden); border-color: var(--hidden); }

/* --- просмотр --- */
.viewer { width: 96vw; height: 94vh; max-width: none; max-height: none; }
.viewer[open] { display: flex; flex-direction: column; }
.v-head { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.v-title { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.v-count { color: var(--muted); font-size: 13px; }
.v-body { flex: 1; min-height: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--bg); }
.v-body img, .v-body video { max-width: 100%; max-height: 100%; object-fit: contain; }
.v-body iframe { width: 100%; height: 100%; border: 0; background: #fff; }
.v-text { align-self: stretch; flex: 1; margin: 0; padding: 16px; overflow: auto; white-space: pre-wrap;
  word-break: break-word; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; text-align: left; }
.v-note { padding: 8px; font-size: 13px; color: var(--muted); }
.v-audio { text-align: center; }
.v-audio .big { font-size: 80px; margin-bottom: 16px; }
.viewer .nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 70px; font-size: 32px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text); border-radius: 10px;
  cursor: pointer; opacity: .85;
}
.viewer .nav:hover { border-color: var(--accent); }
.viewer .nav.prev { left: 10px; }
.viewer .nav.next { right: 10px; }

/* --- мобильная версия --- */
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; padding: 10px 12px; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  main { padding: 12px; }
  .c-date { display: none; }
  .c-size { width: 80px; }
  .c-act { width: 96px; }
  td, th { padding: 8px; }
  .uploads { right: 8px; left: 8px; bottom: 8px; width: auto; max-width: none; }
}