rustio-admin 0.30.0

Django Admin, but for Rust. A small, focused admin framework.
Documentation
/* ============================================================
   RustIO — Form controls
   Input · Textarea · Select · Checkbox · Radio · Switch · Search
   Label / help / error states · visible copper focus rings
   ============================================================ */

.rio-field { display: flex; flex-direction: column; gap: var(--rio-space-12); }
.rio-label {
  font-family: var(--rio-font-body);
  font-size: 1rem;                 /* 16px */
  font-weight: var(--rio-weight-semibold);
  color: var(--rio-text-hi);
}
.rio-label .rio-req { color: var(--rio-rust); margin-inline-start: 2px; }
.rio-help { font-size: var(--rio-text-13); color: var(--rio-text-mute); margin-block-start: 2px; }
.rio-error { font-size: var(--rio-text-13); color: var(--rio-danger); }

/* Text input / textarea / select share .rio-input */
.rio-input {
  inline-size: 100%;
  min-block-size: 46px;            /* comfortable touch target (≥ contract 44px) */
  padding: 11px 14px;
  font-family: var(--rio-font-body);
  font-size: 1rem;                 /* 16px */
  color: var(--rio-text-hi);
  background: var(--rio-surface);
  border: 1px solid var(--rio-line-strong);
  border-radius: var(--rio-radius-control); /* contract §5: 8px */
  box-shadow: var(--rio-shadow-inset);       /* reads as "place to type" */
  transition: border-color var(--rio-dur-fast) var(--rio-ease), box-shadow var(--rio-dur-fast) var(--rio-ease);
  appearance: none;
}
.rio-input::placeholder { color: var(--rio-text-faint); }
/* Identifier fields (slug, flag key) render their placeholder in mono (contract §5). */
.rio-input--mono::placeholder { font-family: var(--rio-font-mono); }
.rio-input:hover { border-color: var(--rio-text-faint); }
.rio-input:focus,
.rio-input:focus-visible {
  outline: none;
  border-color: var(--rio-accent-focus);     /* contract §5 focus border */
  box-shadow: var(--rio-shadow-inset), 0 0 0 4px var(--rio-accent-ring);
}
.rio-input:disabled { background: var(--rio-sunken); color: var(--rio-text-faint); cursor: not-allowed; }
.rio-input[aria-invalid="true"] { border-color: var(--rio-danger); }
.rio-input[aria-invalid="true"]:focus { box-shadow: var(--rio-shadow-inset), 0 0 0 4px var(--rio-danger-tint); }
textarea.rio-input { min-block-size: 88px; resize: vertical; line-height: 1.55; }

/* Select wrapper — chevron via background, mono-free */
.rio-select-wrap { position: relative; display: block; }
.rio-select-wrap::after {
  content: "";
  position: absolute;
  inset-inline-end: 12px;
  inset-block-start: 50%;
  inline-size: 8px; block-size: 8px;
  border-inline-end: 1.5px solid var(--rio-text-mute);
  border-block-end: 1.5px solid var(--rio-text-mute);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}
.rio-select-wrap .rio-input { padding-inline-end: 32px; cursor: pointer; }

/* Search field with leading mark/icon */
.rio-search { position: relative; display: flex; align-items: center; }
.rio-search .rio-input { padding-inline-start: 36px; }
.rio-search-icon {
  position: absolute;
  inset-inline-start: 11px;
  inline-size: 16px; block-size: 16px;
  color: var(--rio-text-faint);
  pointer-events: none;
}
/* Large variant — the prominent list search */
.rio-search--lg .rio-input { block-size: 46px; padding-inline-start: 44px; font-size: var(--rio-text-15); border-radius: var(--rio-radius-lg); }
.rio-search--lg .rio-search-icon { inset-inline-start: 15px; inline-size: 18px; block-size: 18px; }

/* Hero variant — the page's visual focal point.
   Stronger 1.5px frame, soft lift, and a clear accent focus ring so any user
   spots it instantly. A "Search" action button reveals on hover / focus. */
.rio-search--hero .rio-input {
  block-size: 44px;
  border-width: 1px;
  border-color: var(--rio-line-strong);
  background: var(--rio-surface);
  box-shadow: var(--rio-shadow-sm);
  padding-inline-start: 42px;
  padding-inline-end: 116px; /* room for clear + reveal button */
  font-size: var(--rio-text-14);
  transition: border-color var(--rio-dur-base) var(--rio-ease),
              box-shadow var(--rio-dur-base) var(--rio-ease);
}
.rio-search--hero .rio-search-icon { color: var(--rio-text-mute); inset-inline-start: 14px; inline-size: 17px; block-size: 17px; transition: color var(--rio-dur-base) var(--rio-ease); }
.rio-search--hero:hover .rio-input { border-color: var(--rio-rust); }
.rio-search--hero:focus-within .rio-input {
  border-color: var(--rio-rust);
  box-shadow: 0 0 0 4px var(--rio-rust-ring), var(--rio-shadow-md);
}
.rio-search--hero:focus-within .rio-search-icon { color: var(--rio-rust); }

/* Reveal-on-hover "Search" button — slides in from the trailing edge.
   When the field has text (--filled) it shifts left to clear the × button. */
.rio-search-go {
  position: absolute;
  inset-inline-end: 6px;
  inset-block-start: 50%;
  display: inline-flex; align-items: center; gap: 6px;
  block-size: 34px; padding: 0 13px;
  font-family: var(--rio-font-body);
  font-size: var(--rio-text-13); font-weight: var(--rio-weight-semibold);
  color: var(--rio-on-solid);
  background: var(--rio-rust-solid);
  border: 0; border-radius: var(--rio-radius-md);
  cursor: pointer; white-space: nowrap;
  opacity: 0;
  transform: translateY(-50%) translateX(8px) scale(0.96);
  transform-origin: center right;
  pointer-events: none;
  transition: opacity var(--rio-dur-base) var(--rio-ease),
              transform var(--rio-dur-base) var(--rio-ease),
              background var(--rio-dur-fast) var(--rio-ease);
}
.rio-search--hero:hover .rio-search-go,
.rio-search--hero:focus-within .rio-search-go {
  opacity: 1;
  transform: translateY(-50%) translateX(0) scale(1);
  pointer-events: auto;
}
.rio-search-go:hover { background: var(--rio-rust-solid-hover); }
.rio-search-go:active { background: var(--rio-rust-solid-active); }
.rio-search-go svg { inline-size: 15px; block-size: 15px; }
.rio-search--filled .rio-search-go { inset-inline-end: 40px; }
@media (prefers-reduced-motion: reduce) {
  .rio-search-go { transition: opacity var(--rio-dur-fast) var(--rio-ease); transform: translateY(-50%); }
  .rio-search--hero:hover .rio-search-go,
  .rio-search--hero:focus-within .rio-search-go { transform: translateY(-50%); }
}

/* Clear (×) button — sits at the trailing edge whenever there's a query */
.rio-search-clear {
  position: absolute;
  inset-inline-end: 9px;
  inset-block-start: 50%; transform: translateY(-50%);
  display: inline-flex; align-items: center; justify-content: center;
  inline-size: 26px; block-size: 26px;
  color: var(--rio-text-faint);
  background: transparent; border: 0; border-radius: var(--rio-radius-sm);
  cursor: pointer;
  transition: color var(--rio-dur-fast) var(--rio-ease), background var(--rio-dur-fast) var(--rio-ease);
}
.rio-search-clear:hover { color: var(--rio-text-hi); background: var(--rio-raised); }

/* Button variant — a fake search box that opens the command palette */
.rio-search--button {
  appearance: none; cursor: pointer; text-align: start;
  gap: var(--rio-space-8); padding: 0 12px 0 34px;
  block-size: 36px;
  background: var(--rio-sunken);
  border: 1px solid var(--rio-line);
  border-radius: var(--rio-radius-md);
  color: var(--rio-text-faint);
  transition: border-color var(--rio-dur-fast) var(--rio-ease), background var(--rio-dur-fast) var(--rio-ease);
}
.rio-search--button:hover { border-color: var(--rio-line-strong); background: var(--rio-raised); }
.rio-search--button:focus-visible { outline: 2px solid var(--rio-rust); outline-offset: 2px; }
.rio-search-placeholder { font-size: var(--rio-text-14); }
.rio-search--hero .rio-input::placeholder { color: var(--rio-text-faint); }

/* Checkbox & radio */
.rio-check {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--rio-space-8);
  cursor: pointer;
  font-size: var(--rio-text-14);
  color: var(--rio-text);
}
.rio-check input { position: absolute; opacity: 0; inline-size: 1px; block-size: 1px; }
.rio-check-box {
  inline-size: 18px; block-size: 18px;
  flex: none;
  margin-block-start: 1px;
  border: 1.5px solid var(--rio-line-strong);
  border-radius: 5px;
  background: var(--rio-surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--rio-dur-fast) var(--rio-ease), border-color var(--rio-dur-fast) var(--rio-ease);
}
.rio-check-box--radio { border-radius: 999px; }
.rio-check:hover .rio-check-box { border-color: var(--rio-text-faint); }
.rio-check input:focus-visible + .rio-check-box { outline: 2px solid var(--rio-rust); outline-offset: 2px; }
.rio-check input:checked + .rio-check-box {
  background: var(--rio-rust);
  border-color: var(--rio-rust);
}
.rio-check-box svg { inline-size: 12px; block-size: 12px; color: var(--rio-text-onrust); opacity: 0; }
.rio-check input:checked + .rio-check-box svg { opacity: 1; }
.rio-check-box--radio::after {
  content: ""; inline-size: 7px; block-size: 7px; border-radius: 999px;
  background: var(--rio-text-onrust); transform: scale(0); transition: transform var(--rio-dur-fast) var(--rio-ease);
}
.rio-check input:checked + .rio-check-box--radio::after { transform: scale(1); }
.rio-check input:disabled + .rio-check-box { opacity: 0.5; }

/* Switch */
.rio-switch { display: inline-flex; align-items: center; gap: var(--rio-space-8); cursor: pointer; }
.rio-switch input { position: absolute; opacity: 0; inline-size: 1px; block-size: 1px; }
.rio-switch-track {
  inline-size: 38px; block-size: 22px;
  border-radius: 999px;
  background: var(--rio-line-strong);
  position: relative;
  transition: background var(--rio-dur-base) var(--rio-ease);
}
.rio-switch-thumb {
  position: absolute;
  inset-block-start: 2px; inset-inline-start: 2px;
  inline-size: 18px; block-size: 18px;
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--rio-shadow-sm);
  transition: inset-inline-start var(--rio-dur-base) var(--rio-ease);
}
.rio-switch input:checked + .rio-switch-track { background: var(--rio-rust); }
.rio-switch input:checked + .rio-switch-track .rio-switch-thumb { inset-inline-start: 18px; }
.rio-switch input:focus-visible + .rio-switch-track { outline: 2px solid var(--rio-rust); outline-offset: 2px; }
.rio-switch input:disabled + .rio-switch-track { opacity: 0.5; }