/* ==========================================================================
   SafeStep · pages/admin.css
   Admin area (admin.html): sign-in card, panel with two tabs
   (coursework, assessment requests), forms and lists.
   Blocks: .auth .field .check .admin .tabs .upload .task-admin .switch
           .removed .requests .toast
   ========================================================================== */

.admin__boot {
  padding-block: 80px;
  color: var(--color-muted);
}

/* Form fields (shared by sign-in, upload and edit forms) ------------------ */
.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field--full {
  grid-column: 1 / -1;
}

.field__label {
  font-size: .88rem;
  font-weight: 700;
}

.field__input {
  width: 100%;
  min-height: 46px;
  padding: 11px 14px;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font: 1rem/1.4 var(--font-body);
  transition: border-color .2s ease;
}

.field__input:hover,
.field__input:focus {
  border-color: var(--color-accent);
}

textarea.field__input {
  resize: vertical;
}

.field__input--file {
  padding: 9px 10px;
}

.field__input--file::file-selector-button {
  margin-right: 12px;
  padding: 6px 12px;
  border: 0;
  border-radius: 3px;
  background: var(--color-ink);
  color: var(--color-paper);
  font: 700 .85rem var(--font-body);
  cursor: pointer;
}

.check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  cursor: pointer;
}

.check input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

/* Sign in ------------------------------------------------------------------ */
.auth {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--header-space) - 120px);
  padding-block: 40px;
}

.auth__card {
  display: grid;
  gap: 14px;
  width: min(100%, 420px);
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.auth__icon {
  width: 46px;
  height: 46px;
}

.auth__title {
  font-size: clamp(1.8rem, 3vw, 2.2rem);
}

.auth__lede {
  color: var(--color-muted);
}

.auth__form {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

.auth__submit {
  justify-self: start;
}

.auth__status {
  min-height: 1.5em;
  color: var(--color-alert);
  font-size: .92rem;
  font-weight: 600;
}

/* Panel --------------------------------------------------------------------- */
.admin {
  display: grid;
  gap: 28px;
  padding-block: clamp(24px, 4vw, 56px) clamp(48px, 7vw, 96px);
}

.admin__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.admin__title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 780;
  letter-spacing: -0.03em;
}

.admin__lede {
  margin-top: 10px;
  color: var(--color-muted);
}

.admin__logout,
.admin__link {
  padding: 8px 4px;
  border: 0;
  background: none;
  color: var(--color-accent);
  font: 700 .92rem var(--font-body);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.admin__logout:hover,
.admin__link:hover {
  color: var(--color-ink);
}

.admin__panel {
  display: grid;
  gap: 18px;
}

.admin__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.admin__h2 {
  font-size: 1.5rem;
}

.admin__empty {
  padding: 28px;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
  color: var(--color-muted);
  text-align: center;
}

.btn--compact {
  padding: 12px 18px;
  font-size: .92rem;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--color-line);
}

.tabs__tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: -2px;
  padding: 12px 16px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--color-muted);
  font: 700 1rem var(--font-body);
  cursor: pointer;
  transition: color .15s, border-color .15s;
}

.tabs__tab:hover {
  color: var(--color-ink);
}

.tabs__tab[aria-selected="true"] {
  border-bottom-color: var(--color-accent);
  color: var(--color-ink);
}

.tabs__count {
  min-width: 22px;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: .78rem;
  font-variant-numeric: tabular-nums;
}

.tabs__count:empty {
  display: none;
}

.tabs__count--alert {
  background: var(--color-alert-soft);
  color: var(--color-alert);
}

/* Upload form */
.upload {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3vw, 26px);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.upload__title {
  font-size: 1.2rem;
}

.upload__hint {
  max-width: 72ch;
  color: var(--color-muted);
  font-size: .92rem;
}

.upload__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.upload__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.upload__status {
  min-height: 1.4em;
  font-size: .92rem;
  font-weight: 600;
}

.upload__status.is-error,
.task-admin__status.is-error {
  color: var(--color-alert);
}

@media (max-width: 640px) {
  .upload__grid { grid-template-columns: 1fr; }
}

/* Task list */
.task-admin {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.task-admin__item {
  display: grid;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.task-admin__item.is-hidden-task {
  background: color-mix(in srgb, var(--color-surface) 60%, var(--color-paper));
}

.task-admin__row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

.task-admin__num {
  color: var(--color-accent);
  font: 800 1.1rem/1 var(--font-display);
  font-stretch: var(--stretch-display);
}

.task-admin__body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.task-admin__title {
  overflow-wrap: anywhere;
  font: 700 1.05rem/1.3 var(--font-display);
  font-stretch: var(--stretch-display);
}

.task-admin__desc {
  overflow: hidden;
  color: var(--color-muted);
  font-size: .9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-admin__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  color: var(--color-muted);
  font-size: .82rem;
}

.badge {
  padding: 1px 7px;
  border-radius: 3px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 700;
}

.badge--muted {
  background: var(--color-paper);
  color: var(--color-muted);
  border: 1px solid var(--color-line);
}

.badge--alert {
  background: var(--color-alert-soft);
  color: var(--color-alert);
}

.task-admin__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 4px 12px;
}

.task-admin__btn {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font: 600 .85rem var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: border-color .15s, background-color .15s, color .15s;
}

.task-admin__btn:hover {
  border-color: var(--color-ink);
}

.task-admin__btn--danger:hover,
.task-admin__btn--danger.is-armed {
  border-color: var(--color-alert);
  background: var(--color-alert-soft);
  color: var(--color-alert);
}

.task-admin__edit {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  padding-top: 14px;
  border-top: 1px solid var(--color-line);
}

.task-admin__edit-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.task-admin__status {
  font-size: .88rem;
  font-weight: 600;
}

@media (max-width: 760px) {
  .task-admin__row { grid-template-columns: 1fr; gap: 10px; }
  .task-admin__actions { justify-content: flex-start; }
  .task-admin__edit { grid-template-columns: 1fr; }
}

/* Visibility switch */
.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
}

.switch input {
  position: relative;
  width: 38px;
  height: 22px;
  margin: 0;
  border: 1.5px solid var(--color-muted);
  border-radius: 11px;
  background: transparent;
  appearance: none;
  cursor: pointer;
  transition: background-color .2s;
}

.switch input::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--color-muted);
  transition: transform .2s var(--ease-out);
}

.switch input:checked {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.switch input:checked::after {
  background: var(--color-on-accent);
  transform: translateX(16px);
}

.switch input:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Removed site files */
.removed {
  padding: 14px 18px;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
}

.removed__summary {
  font-weight: 700;
  cursor: pointer;
}

.removed__hint {
  margin: 8px 0 12px;
  color: var(--color-muted);
  font-size: .9rem;
}

/* Requests */
.requests {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.request {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 20px;
  padding: 18px 20px;
  border: 1px solid var(--color-line);
  border-left-width: 1px;
  border-radius: var(--radius);
  background: var(--color-surface);
}

.request.is-new {
  border-color: color-mix(in srgb, var(--color-alert) 45%, var(--color-line));
}

.request__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
}

.request__name {
  overflow-wrap: anywhere;
  font: 700 1.1rem/1.3 var(--font-display);
  font-stretch: var(--stretch-display);
}

.request__company {
  overflow-wrap: anywhere;
  color: var(--color-muted);
}

.request__details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, max-content));
  gap: 6px 28px;
  margin: 10px 0 0;
}

.request__details dt {
  color: var(--color-muted);
  font-size: .78rem;
  font-weight: 700;
}

.request__details dd {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
  font-size: .95rem;
}

.request__details a {
  color: var(--color-accent);
}

.request__side {
  display: grid;
  justify-items: end;
  align-content: start;
  gap: 10px;
}

.request__time {
  color: var(--color-muted);
  font-size: .85rem;
  font-variant-numeric: tabular-nums;
}

.request__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

@media (max-width: 760px) {
  .request { grid-template-columns: 1fr; }
  .request__side { justify-items: start; }
  .request__actions { justify-content: flex-start; }
  .request__details { grid-template-columns: 1fr; }
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 60;
  max-width: min(92vw, 460px);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: .92rem;
  font-weight: 600;
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}