rustio-admin 0.30.0

Django Admin, but for Rust. A small, focused admin framework.
Documentation 
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/* ============================================================
   RustIO — Navigation
   Sidebar · Topbar · Breadcrumbs · Tabs · Pagination · Command palette
   ============================================================ */

/* Tabs */
.rio-tabs { display: flex; gap: 2px; border-block-end: 1px solid var(--rio-line); }
.rio-tab {
  appearance: none; border: 0; background: none; cursor: pointer;
  padding: 10px 14px;
  font-family: var(--rio-font-body);
  font-size: var(--rio-text-14);
  font-weight: var(--rio-weight-medium);
  color: var(--rio-text-mute);
  border-block-end: 2px solid transparent;
  margin-block-end: -1px;
  transition: color var(--rio-dur-fast) var(--rio-ease), border-color var(--rio-dur-fast) var(--rio-ease);
}
.rio-tab:hover { color: var(--rio-text-hi); }
.rio-tab[aria-selected="true"] { color: var(--rio-text-hi); border-block-end-color: var(--rio-rust); }
.rio-tab:focus-visible { outline: 2px solid var(--rio-rust); outline-offset: -2px; border-radius: var(--rio-radius-sm); }

/* Breadcrumbs (contract §2.1): link segments strong + 700, · separator muted,
   current segment muted + 400. */
.rio-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: var(--rio-space-8); font-size: var(--rio-fs-sm); color: var(--rio-text-mute); margin-block-end: var(--rio-space-12); }
.rio-crumbs a { color: var(--rio-text-hi); font-weight: 700; text-decoration: none; }
.rio-crumbs a:hover { color: var(--rio-rust); }
.rio-crumbs .rio-crumb-sep { color: var(--rio-text-mute); }
.rio-crumbs .rio-crumb-current { color: var(--rio-text-mute); font-weight: var(--rio-weight-regular); }

/* Pagination */
.rio-pagination { display: flex; align-items: center; gap: 4px; }
.rio-page {
  min-inline-size: 32px; block-size: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  padding-inline: 8px;
  font-family: var(--rio-font-mono);
  font-size: var(--rio-text-13);
  color: var(--rio-text-mute);
  background: transparent; border: 1px solid transparent; border-radius: var(--rio-radius-sm);
  cursor: pointer;
}
.rio-page:hover { background: var(--rio-raised); color: var(--rio-text-hi); }
.rio-page[aria-current="page"] { background: var(--rio-rust-tint); color: var(--rio-rust); border-color: var(--rio-rust-tint-2); }
.rio-page:disabled { opacity: 0.4; cursor: not-allowed; }

/* Sidebar */
.rio-sidebar {
  inline-size: 256px;
  flex: none;
  background: var(--rio-surface);
  border-inline-end: 1px solid var(--rio-line);
  display: flex; flex-direction: column;
}
.rio-sidebar--collapsed { inline-size: 60px; }
.rio-nav { display: flex; flex-direction: column; gap: 2px; padding: var(--rio-space-8); }
.rio-nav-group { display: flex; flex-direction: column; gap: 2px; }
.rio-nav-group + .rio-nav-group { margin-block-start: var(--rio-space-6); }
.rio-nav-section { font-family: var(--rio-font-mono); font-size: var(--rio-text-12); letter-spacing: .06em; text-transform: uppercase; color: var(--rio-text-faint); padding: var(--rio-space-12) var(--rio-space-12) var(--rio-space-6); }
.rio-nav-item {
  display: flex; align-items: center; gap: var(--rio-space-12);
  padding: 8px 12px;
  min-block-size: 40px;
  font-size: var(--rio-text-14);
  font-weight: var(--rio-weight-semibold);
  color: var(--rio-text-mute);
  border-radius: var(--rio-radius-md);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  transition: background var(--rio-dur-fast) var(--rio-ease), color var(--rio-dur-fast) var(--rio-ease);
}
.rio-nav-item:hover { background: var(--rio-raised); color: var(--rio-text-hi); }
.rio-nav-item[aria-current="page"] { background: var(--rio-rust-tint); color: var(--rio-rust); }
/* Active rail — the one place copper marks position. */
.rio-nav-item[aria-current="page"]::before {
  content: ""; position: absolute; inset-inline-start: -8px; inset-block: 9px;
  inline-size: 3px; border-radius: 999px; background: var(--rio-rust);
}
.rio-nav-item svg { inline-size: 18px; block-size: 18px; flex: none; }
.rio-nav-count {
  font-family: var(--rio-font-mono); font-size: var(--rio-text-12); font-weight: var(--rio-weight-medium);
  color: var(--rio-text-faint); font-variant-numeric: lining-nums tabular-nums;
}
.rio-nav-item[aria-current="page"] .rio-nav-count { color: var(--rio-rust); }
.rio-sidebar-foot { padding: var(--rio-space-8); border-block-start: 1px solid var(--rio-line); }

/* Topbar */
.rio-topbar {
  block-size: 56px;
  display: flex; align-items: center; gap: var(--rio-space-16);
  padding-inline: var(--rio-space-20);
  background: var(--rio-surface);
  border-block-end: 1px solid var(--rio-line);
  position: sticky; inset-block-start: 0; z-index: 10;
}
/* Brand zone in the topbar — aligns with the 256px sidebar column. */
.rio-brand {
  display: flex; align-items: center; gap: var(--rio-space-8);
  inline-size: 224px; flex: none;
}
.rio-brand-word {
  font-family: var(--rio-font-display); font-weight: var(--rio-weight-bold);
  font-size: var(--rio-text-20); letter-spacing: -0.012em; color: var(--rio-text-hi);
}

/* App footer bar */
/* Full-width page footer: the bar spans the whole workspace (surface +
   top hairline edge-to-edge); its content aligns to the page column. */
.rio-appfoot {
  flex: none;
  background: var(--rio-surface);
  border-block-start: 1px solid var(--rio-line);
}
.rio-appfoot-inner {
  max-inline-size: 1320px; inline-size: 100%; margin: 0 auto;
  min-block-size: 56px;
  display: flex; align-items: center; gap: var(--rio-space-16);
  padding: var(--rio-space-12) 44px;
  font-size: var(--rio-text-13); color: var(--rio-text-mute);
}
.rio-appfoot-links { display: flex; align-items: center; gap: var(--rio-space-16); }
.rio-appfoot-links a { color: var(--rio-text-mute); text-decoration: none; }
.rio-appfoot-links a:hover { color: var(--rio-text-hi); }
.rio-appfoot-meta { margin-inline-start: auto; font-family: var(--rio-font-body); font-size: var(--rio-text-12); color: var(--rio-text-mute); }

/* DEVELOPMENT pill */
.rio-devpill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--rio-font-mono); font-size: var(--rio-text-12); font-weight: var(--rio-weight-semibold);
  letter-spacing: .04em; text-transform: uppercase;
  color: var(--rio-gold); padding: 2px 8px;
  background: var(--rio-gold-tint); border-radius: var(--rio-radius-pill);
}
.rio-devpill::before { content: ""; inline-size: 6px; block-size: 6px; border-radius: 999px; background: var(--rio-gold); }

/* Dropdown menu (filters, account) */
.rio-menu {
  position: absolute; z-index: 40;
  min-inline-size: 200px; padding: var(--rio-space-6);
  background: var(--rio-overlay);
  border: 1px solid var(--rio-line);
  border-radius: var(--rio-radius-lg);
  box-shadow: var(--rio-shadow-lg), var(--rio-highlight-top);
}
.rio-menu-item {
  display: flex; align-items: center; gap: var(--rio-space-8);
  inline-size: 100%; text-align: start;
  padding: 8px 10px; border: 0; background: none; cursor: pointer;
  font-family: var(--rio-font-body); font-size: var(--rio-text-14);
  color: var(--rio-text); border-radius: var(--rio-radius-sm);
}
.rio-menu-item:hover { background: var(--rio-raised); color: var(--rio-text-hi); }
.rio-menu-item[aria-checked="true"] { color: var(--rio-rust); }
.rio-menu-item[aria-checked="true"] .rio-menu-check { color: var(--rio-rust); }
.rio-menu-check { margin-inline-start: auto; }
.rio-menu-sep { block-size: 1px; background: var(--rio-line); margin: var(--rio-space-6) 0; }
.rio-menu-label { font-family: var(--rio-font-mono); font-size: var(--rio-text-12); letter-spacing: .05em; text-transform: uppercase; color: var(--rio-text-faint); padding: var(--rio-space-6) 10px var(--rio-space-4); }

/* Command palette */
.rio-cmdk-overlay {
  position: fixed; inset: 0;
  background: rgba(26, 26, 25, 0.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding-block-start: 14vh;
  z-index: 60;
}
.rio-cmdk {
  inline-size: 100%; max-inline-size: 560px;
  background: var(--rio-overlay);
  border: 1px solid var(--rio-line);
  border-radius: var(--rio-radius-lg);
  box-shadow: var(--rio-shadow-xl), var(--rio-highlight-top);
  overflow: hidden;
}
.rio-cmdk-input-row { display: flex; align-items: center; gap: var(--rio-space-12); padding: var(--rio-space-16); border-block-end: 1px solid var(--rio-line); }
.rio-cmdk-input { flex: 1; border: 0; background: none; outline: none; font-family: var(--rio-font-body); font-size: var(--rio-text-17); color: var(--rio-text-hi); }
.rio-cmdk-input::placeholder { color: var(--rio-text-faint); }
.rio-cmdk-list { max-block-size: 320px; overflow: auto; padding: var(--rio-space-8); }
.rio-cmdk-group { font-family: var(--rio-font-mono); font-size: var(--rio-text-12); letter-spacing: .05em; text-transform: uppercase; color: var(--rio-text-faint); padding: var(--rio-space-8) var(--rio-space-12) var(--rio-space-4); }
.rio-cmdk-item {
  display: flex; align-items: center; gap: var(--rio-space-12);
  padding: 9px 12px;
  border-radius: var(--rio-radius-md);
  font-size: var(--rio-text-14);
  color: var(--rio-text);
  cursor: pointer;
}
.rio-cmdk-item svg { inline-size: 16px; block-size: 16px; color: var(--rio-text-mute); flex: none; }
.rio-cmdk-item[aria-selected="true"] { background: var(--rio-rust-tint); color: var(--rio-text-hi); }
.rio-cmdk-item[aria-selected="true"] svg { color: var(--rio-rust); }
.rio-cmdk-item .rio-cmdk-hint { margin-inline-start: auto; font-family: var(--rio-font-mono); font-size: var(--rio-text-12); color: var(--rio-text-faint); }
.rio-kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-inline-size: 18px; padding: 1px 5px;
  font-family: var(--rio-font-mono); font-size: var(--rio-text-12);
  color: var(--rio-text-mute);
  background: var(--rio-sunken);
  border: 1px solid var(--rio-line);
  border-radius: 5px;
}

/* Account button (topbar) */
.rio-account {
  display: flex; align-items: center; gap: var(--rio-space-8);
  block-size: 36px; padding-inline: 8px 10px;
  background: none; border: 1px solid transparent; border-radius: var(--rio-radius-md);
  cursor: pointer; color: var(--rio-text);
  transition: background var(--rio-dur-fast) var(--rio-ease), border-color var(--rio-dur-fast) var(--rio-ease);
}
.rio-account:hover { background: var(--rio-raised); border-color: var(--rio-line); }
.rio-account[aria-expanded="true"] { background: var(--rio-raised); border-color: var(--rio-line); }
.rio-account-email { font-size: var(--rio-text-14); font-weight: var(--rio-weight-medium); color: var(--rio-text); }
.rio-account svg { color: var(--rio-text-faint); }

/* Command-palette empty state */
.rio-cmdk-empty { padding: var(--rio-space-24); text-align: center; color: var(--rio-text-faint); font-size: var(--rio-text-14); }

/* "Next" pagination button with a label */
.rio-page--next { inline-size: auto; gap: 5px; padding-inline: 12px; font-family: var(--rio-font-body); font-weight: var(--rio-weight-medium); }

/* ---- Global ⌘K search palette ---- */
.rio-search-palette {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 12vh 16px 16px;
  background: rgba(15, 23, 42, 0.45);
}
.rio-search-palette[aria-hidden="true"] { display: none; }
.rio-search-palette__dialog {
  inline-size: 100%; max-inline-size: 560px; max-block-size: 70vh;
  display: flex; flex-direction: column;
  background: var(--rio-overlay); border: 1px solid var(--rio-line);
  border-radius: var(--rio-radius-lg); box-shadow: var(--rio-shadow-lg);
  overflow: hidden;
}
.rio-search-palette__field {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-block-end: 1px solid var(--rio-line);
  color: var(--rio-text-mute);
}
.rio-search-palette__input {
  flex: 1; min-inline-size: 0; border: 0; background: transparent; outline: none;
  font: inherit; font-size: var(--rio-fs-lead); color: var(--rio-text-hi);
}
.rio-search-palette__input::placeholder { color: var(--rio-text-faint); }
.rio-search-palette__input::-webkit-search-cancel-button { display: none; }
.rio-search-palette__results { list-style: none; margin: 0; padding: 8px; overflow: auto; }
.rio-search-palette__group { display: block; margin-block-end: 4px; }
.rio-search-palette__group-label {
  display: block; padding: 8px 12px 4px;
  font-size: var(--rio-text-12); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--rio-text-mute);
}
.rio-search-palette__result {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--rio-radius-md);
  color: var(--rio-text-hi); text-decoration: none; font-size: var(--rio-fs-md);
}
.rio-search-palette__result.is-selected,
.rio-search-palette__result:hover { background: var(--rio-rust-tint); color: var(--rio-rust); }
.rio-search-palette__empty { padding: 18px 16px; color: var(--rio-text-mute); font-size: var(--rio-fs-md); }