/* ── Outer wrapper ───────────────────────────────────────────── */
.admin-r2-view    { display: flex; flex-direction: column; max-width: 960px; }
.admin-r2-content { display: flex; flex-direction: column; gap: 1.25rem; }

/* ── Toolbar ─────────────────────────────────────────────────── */
.r2-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 0.875rem 1.25rem;
  box-shadow: var(--card-shadow);
}

.r2-breadcrumb {
  display: flex; align-items: center; gap: 0.25rem;
  font-family: var(--font-mono); font-size: 0.8rem;
}

.r2-breadcrumb-btn {
  background: none; border: none; cursor: pointer;
  color: var(--cobalt-light); font-family: var(--font-mono);
  font-size: 0.8rem; padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.r2-breadcrumb-btn:hover { background: var(--cobalt-faint); }

.r2-breadcrumb-sep     { color: var(--text-muted); }
.r2-breadcrumb-current { color: var(--text-primary); font-weight: 600; }

.r2-toolbar-actions { display: flex; gap: 0.5rem; align-items: center; }

/* ── Upload form ─────────────────────────────────────────────── */
.r2-upload-wrap {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 1.5rem;
  box-shadow: var(--card-shadow);
}

.r2-upload-title {
  font-size: 0.9375rem; color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.r2-upload-form { display: flex; flex-direction: column; gap: 0.25rem; }

.r2-upload-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem;
}

.r2-upload-actions {
  display: flex; gap: 0.5rem; justify-content: flex-end;
  margin-top: 0.5rem;
}

/* ── File drop zone (reuse registry styles) ──────────────────── */
.file-drop-zone {
  display: block; border: 1px dashed var(--border-active);
  border-radius: var(--radius); cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.file-drop-zone:hover {
  border-color: var(--cyan-neon); background: rgba(0,212,255,0.03);
}
.file-input-hidden { display: none; }
.file-drop-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.5rem; padding: 1.25rem;
}
.file-drop-icon     { width: 28px; height: 28px; color: var(--cobalt-light); opacity: 0.7; }
.file-drop-text     { font-size: 0.875rem; color: var(--text-muted); }
.file-drop-selected { font-family: var(--font-mono); font-size: 0.8rem; color: var(--cyan-neon); }

/* ── Stats bar ───────────────────────────────────────────────── */
.r2-stats-bar {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.875rem; color: var(--text-secondary);
  padding: 0 0.25rem;
}
.r2-stat strong { color: var(--cobalt-light); font-family: var(--font-mono); }
.r2-stat-sep    { color: var(--text-muted); }

/* ── Loading / empty ─────────────────────────────────────────── */
.r2-loading {
  display: flex; align-items: center; justify-content: center; padding: 4rem;
}

.r2-empty {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.75rem; padding: 4rem 2rem; text-align: center;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}
.r2-empty-icon  { width: 40px; height: 40px; color: var(--text-muted); opacity: 0.4; }
.r2-empty-title { font-size: 1rem; color: var(--text-primary); font-weight: 600; }
.r2-empty-sub   { font-size: 0.875rem; color: var(--text-secondary); max-width: 320px; line-height: 1.7; }

/* ── List wrapper ────────────────────────────────────────────── */
.r2-list-wrap { display: flex; flex-direction: column; gap: 0.75rem; }

.r2-list {
  display: flex; flex-direction: column; gap: 0;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--card-shadow);
}

/* ── Row ─────────────────────────────────────────────────────── */
.r2-row {
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.15s;
}
.r2-row:last-child { border-bottom: none; }
.r2-row:hover      { background: rgba(65,105,225,0.015); }

.r2-row-main {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.875rem 1.25rem; flex-wrap: wrap;
}

.r2-row-icon {
  width: 30px; height: 30px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--cobalt-faint); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); color: var(--cobalt-light);
}

/* ── Row info ────────────────────────────────────────────────── */
.r2-row-info  { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.r2-row-top   { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.r2-filename  {
  font-family: var(--font-mono); font-size: 0.875rem;
  font-weight: 600; color: var(--text-primary);
  word-break: break-all;
}

.r2-badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.15rem 0.5rem; border-radius: 3px; border: 1px solid;
  background: rgba(65,105,225,0.1); border-color: rgba(65,105,225,0.3);
  color: var(--cobalt-light); flex-shrink: 0;
}
.r2-badge--meta {
  background: var(--cobalt-faint); border-color: var(--border-subtle);
  color: var(--text-muted);
}

.r2-row-meta    { display: flex; gap: 0.5rem; align-items: center; }
.r2-meta-item   { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); }
.r2-meta-sep    { color: var(--border-subtle); }

/* ── Row action buttons ──────────────────────────────────────── */
.r2-row-actions { display: flex; align-items: center; gap: 0.375rem; flex-shrink: 0; }

.r2-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--radius-sm); border: 1px solid var(--border-subtle);
  background: var(--cobalt-faint); color: var(--text-muted);
  cursor: pointer; transition: all 0.15s;
}
.r2-btn:hover:not(:disabled) { border-color: var(--cobalt-light); color: var(--cobalt-light); }
.r2-btn:disabled              { opacity: 0.45; cursor: not-allowed; }
.r2-btn--active               { background: rgba(65,105,225,0.12); border-color: var(--cobalt-light); color: var(--cobalt-light); }

.r2-btn--danger {
  background: rgba(0,212,255,0.06); border-color: rgba(0,212,255,0.25);
  color: var(--cyan-neon);
}
.r2-btn--danger:hover:not(:disabled) {
  background: rgba(0,212,255,0.12); border-color: var(--cyan-neon);
}

.r2-btn--delete {
  background: var(--crimson-faint); border-color: rgba(220,20,60,0.2);
  color: var(--crimson);
}
.r2-btn--delete:hover:not(:disabled) {
  background: rgba(220,20,60,0.12); border-color: var(--crimson);
}

/* ── Rename form ─────────────────────────────────────────────── */
.r2-rename-form {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.25rem 0.875rem;
  background: rgba(65,105,225,0.02);
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.r2-rename-input {
  flex: 1; min-width: 200px;
  font-family: var(--font-mono) !important;
  font-size: 0.8rem !important;
}

/* ── Delete confirm ──────────────────────────────────────────── */
.r2-delete-confirm {
  padding: 0.5rem 1.25rem 0.75rem;
  font-size: 0.8125rem; color: var(--crimson);
  background: var(--crimson-faint);
  border-top: 1px solid rgba(220,20,60,0.15);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .admin-r2-view  { max-width: 100%; }
  .r2-upload-row  { grid-template-columns: 1fr; }
  .r2-row-actions { flex-wrap: wrap; }
  .r2-toolbar     { flex-direction: column; align-items: flex-start; }
}