:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-hover: #3b78f0;
  --danger: #ff5c66;
  --ok: #35c07d;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.center-text { text-align: center; }

.center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

/* ---- login ---- */
.login-card { width: 100%; max-width: 360px; }
.login-card h1 { font-size: 1.25rem; margin: 0 0 0.25rem; }
.login-card p { margin: 0 0 1.25rem; }
.login-card label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
}
.login-card input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.7rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
button:hover { background: var(--accent-hover); }
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
button.ghost:hover { background: var(--panel-2); color: var(--text); }
button.linkish, .linkish {
  background: none; border: none; color: var(--accent); padding: 0; font-weight: 600;
}
button.linkish:hover { text-decoration: underline; background: none; }
#login-btn { width: 100%; margin-top: 0.25rem; }

.agree-row {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 0.25rem 0 1rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}
.agree-row input[type="checkbox"] {
  margin-top: 0.15rem;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  accent-color: var(--accent);
  cursor: pointer;
}
.agree-row strong { color: var(--text); font-weight: 600; }

.error { color: var(--danger); font-size: 0.85rem; min-height: 1.1rem; margin: 0.75rem 0 0; }

/* ---- app shell ---- */
.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { font-weight: 700; letter-spacing: 0.02em; }
.spacer { flex: 1; }

.container { max-width: 920px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }

/* ---- dropzone ---- */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center;
  transition: border-color .15s, background .15s;
  background: var(--panel);
}
.dropzone.dragover { border-color: var(--accent); background: rgba(79,140,255,0.08); }
.dz-inner svg { color: var(--muted); margin-bottom: 0.5rem; }
.dz-inner p { margin: 0.25rem 0; }

/* ---- upload progress ---- */
.uploads { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: 0.6rem; }
.upload-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
}
.upload-row { display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; }
.upload-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-status { color: var(--muted); font-variant-numeric: tabular-nums; }
.upload-status.err { color: var(--danger); }
.upload-status.done { color: var(--ok); }
.bar { height: 6px; background: var(--panel-2); border-radius: 999px; margin-top: 0.5rem; overflow: hidden; }
.bar > span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .15s; }

/* ---- files table ---- */
.files-section { margin-top: 2rem; }
.files-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.5rem; }
.files-head h2 { font-size: 1.05rem; margin: 0; }
.files-table { width: 100%; border-collapse: collapse; }
.files-table th, .files-table td {
  text-align: left;
  padding: 0.65rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.files-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.files-table .num, td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.files-table td.actions { text-align: right; white-space: nowrap; }
.name-cell { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dl-link { color: var(--accent); text-decoration: none; font-weight: 600; }
.dl-link:hover { text-decoration: underline; }
.rename-btn, .del-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  padding: 0.3rem 0.55rem; font-size: 0.8rem; margin-left: 0.5rem;
}
.rename-btn:hover { color: var(--text); border-color: var(--accent); background: transparent; }
.del-btn:hover { color: var(--danger); border-color: var(--danger); background: transparent; }

/* ---- admin panel ---- */
.admin-panel {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.admin-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
  margin-bottom: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}
.admin-spacer { flex: 1; }
.admin-block { margin-bottom: 2.25rem; }
.admin-block h3 { font-size: 0.95rem; margin: 0 0 0.75rem; }
.admin-field input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  font: inherit;
  min-width: 200px;
}
.org-assign {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.35rem 0.5rem;
  font: inherit;
  max-width: 220px;
}
.org-del-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  padding: 0.3rem 0.55rem; font-size: 0.8rem;
}
.org-del-btn:hover { color: var(--danger); border-color: var(--danger); background: transparent; }

.admin-check {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; color: var(--muted); white-space: nowrap;
}
.admin-check input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }

.pwreset-btn, .forcechange-btn, .userdel-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  padding: 0.3rem 0.55rem; font-size: 0.78rem; margin-left: 0.4rem;
}
.pwreset-btn:hover, .forcechange-btn:hover { color: var(--accent); border-color: var(--accent); background: transparent; }
.userdel-btn:hover { color: var(--danger); border-color: var(--danger); background: transparent; }
.from-tag.warn { color: var(--danger); border-color: var(--danger); }
.from-tag {
  display: inline-block; font-size: 0.7rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 0.05rem 0.45rem; margin-left: 0.4rem; vertical-align: middle;
}
.send-dest {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 0.3rem 0.45rem; font-size: 0.85rem; margin-left: 0.5rem;
}
.send-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  padding: 0.3rem 0.55rem; font-size: 0.8rem; margin-left: 0.4rem;
}
.send-btn:hover { color: var(--ok); border-color: var(--ok); background: transparent; }
.send-btn:disabled { opacity: 0.5; cursor: default; }
.admin-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.admin-field select, .move-dest {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  font: inherit;
  max-width: 260px;
}
.move-dest { padding: 0.3rem 0.45rem; font-size: 0.85rem; }
.move-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  padding: 0.32rem 0.6rem; font-size: 0.8rem; margin-left: 0.4rem;
}
.move-btn:hover { color: var(--accent); border-color: var(--accent); background: transparent; }
.move-btn:disabled { opacity: 0.5; cursor: default; }

/* ---- legal footer ---- */
.legal {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}
.legal p { margin: 0 0 0.75rem; }
.legal strong { color: var(--text); }

.files-head-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

.dl-btn {
  background: transparent; border: none; color: var(--accent);
  font: inherit; font-weight: 600; padding: 0; cursor: pointer;
}
.dl-btn:hover { text-decoration: underline; background: transparent; }
.dl-status { font-size: 0.76rem; color: var(--muted); margin-left: 0.5rem; white-space: nowrap; }
.dl-status.ok { color: var(--ok); font-weight: 600; }
.dl-status.bad { color: var(--danger); font-weight: 600; }

.mono, .hash {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
.hash {
  font-size: 0.82rem;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 1px dotted var(--border);
}
.hash:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---- modal ---- */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); }
.modal-card {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.5rem; }
.modal-head h3 { margin: 0; font-size: 1.05rem; }
.verify-drop { margin-top: 1rem; padding: 1.75rem 1rem; }
.verify-status { margin-top: 0.85rem; font-variant-numeric: tabular-nums; }

.verify-result { margin-top: 1.1rem; display: flex; flex-direction: column; gap: 0.6rem; }
.verify-row { display: flex; gap: 0.6rem; align-items: baseline; }
.verify-label { flex: 0 0 72px; color: var(--muted); font-size: 0.8rem; }
.verify-val { flex: 1; word-break: break-all; }
.verify-val.mono { font-size: 0.82rem; }
#verify-copy { align-self: flex-start; }
.verify-compare { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.8rem; color: var(--muted); margin-top: 0.4rem; }
.verify-compare input {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 0.5rem 0.6rem; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.82rem;
}
.verify-match { font-size: 0.85rem; min-height: 1.1rem; }
.verify-match.ok { color: var(--ok); }
.verify-match.bad { color: var(--danger); }

@media (max-width: 560px) {
  .files-table thead th:nth-child(3), .files-table td:nth-child(3),
  .files-table thead th:nth-child(4), .files-table td:nth-child(4) { display: none; }
  .name-cell { max-width: 160px; }
  .admin-controls { flex-direction: column; align-items: stretch; }
}