:root {
  --bg: #14161c;
  --bg-raised: #1b1e26;
  --bg-hover: #232733;
  --line: #2b303c;
  --text: #e6e8ee;
  --muted: #9aa2b4;
  --accent: #5865f2;
  --accent-soft: #5865f233;
  --danger: #e5484d;
  --good: #35b37e;
  --warn: #e8a33d;
  --row-height: 46px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

button {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 7px 13px;
  background: transparent;
  color: var(--text);
}
button.primary { background: var(--accent); color: #fff; }
button.primary:hover { filter: brightness(1.1); }
button.ghost { border-color: var(--line); color: var(--muted); }
button.ghost:hover { background: var(--bg-hover); color: var(--text); }
button.icon { padding: 2px 8px; color: var(--muted); font-size: 15px; }
button.icon:hover { color: var(--text); }
button.wide { width: 100%; }
button:disabled { opacity: .5; cursor: default; }

input, select {
  font: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 11px;
  width: 100%;
}
input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.hidden { display: none !important; }
.muted { color: var(--muted); }

/* -- Sign in ------------------------------------------------------------ */
.auth { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.auth-card {
  width: min(380px, 100%);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  display: grid;
  gap: 14px;
}
.auth-card h1 { margin: 0; font-size: 22px; }
.auth-sub { margin: -10px 0 6px; color: var(--muted); font-size: 13px; }
.auth-card label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.auth-actions { display: flex; gap: 10px; }
.auth-actions button { flex: 1; }
.auth-error { color: var(--danger); min-height: 18px; margin: 0; font-size: 13px; }
.auth-hint { margin: 0; font-size: 12px; color: var(--muted); }

/* -- Layout ------------------------------------------------------------- */
.app { display: flex; flex-direction: column; height: 100vh; }

.topbar {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-raised);
}
.brand { font-weight: 600; letter-spacing: .2px; }
.searchbox { position: relative; }
.chips {
  display: flex; gap: 6px; flex-wrap: wrap;
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  z-index: 20; pointer-events: none;
}
.chips:empty { display: none; }
.chip {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 1px 9px;
  font-size: 11px;
}
.account { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }

.body { display: grid; grid-template-columns: 240px 1fr; flex: 1; min-height: 0; }

.sidebar {
  border-right: 1px solid var(--line);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
}
.views, .folders { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.views button, .folders button {
  width: 100%;
  text-align: left;
  color: var(--muted);
  padding: 7px 11px;
}
.views button:hover, .folders button:hover { background: var(--bg-hover); color: var(--text); }
.views button.active, .folders button.active {
  background: var(--accent-soft); color: var(--text);
}
.folders-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted);
  padding: 0 4px;
}
.folders { overflow-y: auto; min-height: 0; flex: 1; align-content: start; }
.folders .depth { padding-left: 22px; }
.usage { font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 10px; }

/* -- File list ---------------------------------------------------------- */
.content { position: relative; display: flex; flex-direction: column; min-height: 0; padding: 0 8px; }
.breadcrumbs { padding: 12px 12px 6px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { color: var(--muted); cursor: pointer; text-decoration: none; }
.breadcrumbs a:hover { color: var(--text); text-decoration: underline; }

.list-head, .row {
  display: grid;
  grid-template-columns: 28px 1fr 120px 170px 130px;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
}
.list-head {
  height: 34px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.sortable { cursor: pointer; user-select: none; }
.sortable:hover { color: var(--text); }

.list { position: relative; overflow-y: auto; flex: 1; min-height: 0; }
.list-spacer { width: 1px; }
.list-window { position: absolute; top: 0; left: 0; right: 0; }

.row {
  height: var(--row-height);
  border-bottom: 1px solid var(--line);
  position: absolute;
  left: 0; right: 0;
}
.row:hover { background: var(--bg-hover); }
.row .name { display: flex; align-items: center; gap: 9px; min-width: 0; }
.row .name span.label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .size, .row .date { color: var(--muted); font-variant-numeric: tabular-nums; }
.row .actions { display: flex; gap: 2px; justify-content: flex-end; opacity: 0; }
.row:focus-within .actions { opacity: 1; }
.row:hover .actions { opacity: 1; }
.row.corrupted .label { color: var(--danger); }
.badge {
  font-size: 10px; border: 1px solid currentColor; color: var(--danger);
  border-radius: 4px; padding: 0 4px; margin-left: 6px; white-space: nowrap;
}
.star { color: #e3b341; }

.empty { display: grid; place-content: center; gap: 4px; text-align: center; flex: 1; }

.drop-overlay {
  position: absolute; inset: 8px;
  border: 2px dashed var(--accent);
  border-radius: 12px;
  background: #5865f21a;
  display: grid; place-items: center;
  font-size: 18px;
  pointer-events: none;
}

/* -- Transfers ---------------------------------------------------------- */
.transfers {
  position: fixed; right: 18px; bottom: 18px; width: 380px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 34px #0008;
  overflow: hidden;
}
.transfers header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 12px; border-bottom: 1px solid var(--line); font-size: 13px;
}
.transfers ul { list-style: none; margin: 0; padding: 0; max-height: 300px; overflow-y: auto; }
.transfers.collapsed ul { display: none; }
.transfers li { padding: 9px 12px; border-bottom: 1px solid var(--line); display: grid; gap: 5px; }
.transfer-top { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.transfer-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar { height: 4px; background: var(--bg); border-radius: 3px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); transition: width .2s; }
.bar.done > i { background: var(--good); }
.bar.failed > i { background: var(--danger); }
.transfer-meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }
.transfer-meta .controls { display: flex; gap: 4px; }
.transfer-meta button { padding: 0 6px; font-size: 11px; color: var(--muted); }
.transfer-meta button:hover { color: var(--text); }

.toast {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: var(--bg-raised); border: 1px solid var(--line);
  padding: 9px 16px; border-radius: 9px; box-shadow: 0 8px 24px #0007;
}
.toast.error { border-color: var(--danger); color: var(--danger); }

@media (max-width: 820px) {
  .body { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .topbar { grid-template-columns: 1fr; }
  .transfers { left: 12px; right: 12px; width: auto; }
}

/* -- toolbar, selection, search help ------------------------------------- */

.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 6px 4px 10px;
}
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; }
.sort-label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.sort-label select {
  background: var(--bg-raised); color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 5px 8px; font: inherit; font-size: 12px;
}
.bulk { display: flex; gap: 6px; }
.bulk .danger { color: var(--danger); }

.checkbox { display: inline-flex; align-items: center; cursor: pointer; }
.checkbox input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }
.checkbox span { display: none; }

.search-help {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 4px 16px; padding: 12px 14px; margin-bottom: 10px;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 8px;
  font-size: 12px; color: var(--muted);
}
.search-help code {
  color: var(--accent); background: transparent; margin-right: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.col-check { width: 28px; }
.cell-check { width: 28px; display: flex; justify-content: center; }
.row.selected { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.row .name { cursor: pointer; }

/* -- operational panel (§54) --------------------------------------------- */

.ops {
  margin-top: 14px; padding: 10px 12px; border-radius: 8px;
  background: var(--bg-raised); border: 1px solid var(--line); font-size: 12px;
}
.ops-head { font-weight: 600; margin-bottom: 6px; color: var(--text); }
.ops-line { display: flex; justify-content: space-between; color: var(--muted); }
.ops-line b { color: var(--text); font-weight: 600; }
.bot { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.bot-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.dot.ok { background: var(--good); }
.dot.bad { background: var(--danger); }
.badge.ok   { background: color-mix(in srgb, var(--good) 18%, transparent); color: var(--good); }
.badge.warn { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.warn-line {
  margin: 8px 0 0; padding: 7px 8px; border-radius: 6px; line-height: 1.45;
  background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn);
}

/* -- details drawer ------------------------------------------------------ */

.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 380px; max-width: 92vw;
  background: var(--bg-raised); border-left: 1px solid var(--line);
  box-shadow: -18px 0 44px rgba(0, 0, 0, .32);
  display: flex; flex-direction: column; z-index: 40;
}
.drawer header {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 16px; border-bottom: 1px solid var(--line); font-weight: 600;
}
.drawer header span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drawer > div { padding: 12px 16px; overflow-y: auto; }
.kv { display: flex; flex-direction: column; gap: 2px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.kv span { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.kv code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px;
  color: var(--text); word-break: break-all;
}

/* -- Account security modal --------------------------------------------- */
/* The dialog itself is styled in admin.css, which the main page does not
   load; these are the pieces the security panel needs on its own. */
.modal {
  position: fixed; inset: 0; background: #0009; display: grid; place-items: center;
  padding: 20px; z-index: 50;
}
.modal-card {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px; width: min(520px, 100%); max-height: 86vh; overflow: auto;
  display: grid; gap: 14px; align-content: start;
}
.modal-card header { display: flex; align-items: center; justify-content: space-between; }
.modal-card h2 { margin: 0; font-size: 17px; }

.sec-block { border-top: 1px solid var(--line); padding-top: 14px; }
.sec-block:first-child { border-top: none; padding-top: 0; }
.sec-block h3 { margin: 0 0 6px; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.sec-form { display: grid; gap: 10px; max-width: 340px; margin: 12px 0 4px; }
.sec-form label { display: grid; gap: 5px; font-size: 13px; color: var(--muted); }
.sec-form button { justify-self: start; }
.sec-enrol { margin-top: 12px; }
.secret {
  display: inline-block; padding: 6px 10px; border-radius: 8px;
  background: var(--bg); border: 1px solid var(--line); letter-spacing: .08em;
  word-break: break-all;
}
.recovery ul { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding-left: 18px; }
.recovery code { background: var(--bg); padding: 2px 6px; border-radius: 6px; }

.pill {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 12px; border: 1px solid var(--line); color: var(--muted);
}
.pill.good { color: var(--good); border-color: var(--good); }
.pill.warn { color: var(--warn); border-color: var(--warn); }

.button-like {
  display: inline-block; padding: 7px 13px; border-radius: 8px;
  border: 1px solid var(--line); color: var(--muted); text-decoration: none;
}
.button-like:hover { background: var(--bg-hover); color: var(--text); }
.danger-text { color: var(--danger); }