/* ============================================================
   Atomify · v2 · admin (page)
   ------------------------------------------------------------
   Gamified — account-management workspace. Same tokens as the
   rest of the v2 system, with gold/cobalt accents reserved for
   role identity, danger framing, and the delete-account zone.

   Sections (chapters):
     01  Identitate          (hero + quick stats)
     02  Rol                 (conditional — role picker)
     03  Clasele tale        (prof: manage / student: join)
     04  Chestionare / Teme  (prof: builder / student: homework)
     05  Profil & comunicare (country + newsletter)
     06  Securitate          (password change, non-Google)
     07  Zona de risc        (delete account)
   ============================================================ */


/* ─── 1 · Identity hero ─────────────────────────────── */
.adm-hero {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.4rem;
  padding: 1.4rem 1.6rem 1.45rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  align-items: center;
}
.adm-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gold-tint);
  border: 2px solid var(--gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--gold);
  flex-shrink: 0;
}
[data-theme="dark"] .adm-avatar,
body.dark-mode .adm-avatar { color: var(--gold-bright); }

.adm-identity {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}
.adm-identity-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.35rem, 2.8vw, 1.7rem);
  letter-spacing: -0.022em;
  line-height: 1.05;
  color: var(--ink);
  margin: 0;
  word-break: break-word;
}
.adm-identity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.adm-identity-meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.adm-hero-aux {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-transform: uppercase;
  line-height: 1.7;
}

@media (max-width: 720px) {
  .adm-hero {
    grid-template-columns: auto 1fr;
    gap: 1rem;
    padding: 1.2rem 1.25rem 1.3rem;
  }
  .adm-hero-aux { display: none; }
  .adm-avatar { width: 60px; height: 60px; font-size: 1.6rem; }
}


/* ─── 2 · Quick-stat grid (3-6 cells) ──────────────────── */
.adm-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
  background: var(--paper-2);
  margin-top: 1.25rem;
}
.adm-stat {
  position: relative;
  padding: 1.05rem 1.25rem 1.15rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.adm-stat-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.adm-stat-value {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  letter-spacing: -0.022em;
  line-height: 1;
  color: var(--ink);
}
.adm-stat-value .num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
}
.adm-stat-value--accent { color: var(--green-deep); }
[data-theme="dark"] .adm-stat-value--accent,
body.dark-mode .adm-stat-value--accent { color: var(--green); }
.adm-stat-value--gold { color: var(--gold); }
[data-theme="dark"] .adm-stat-value--gold,
body.dark-mode .adm-stat-value--gold { color: var(--gold-bright); }
.adm-stat-value--cobalt { color: var(--cobalt); }
.adm-stat-aux {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}


/* ─── 3 · Role picker (when user has no role) ───────── */
.adm-roles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.adm-role {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.5rem 1.6rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  background: var(--paper-2);
  cursor: pointer;
  text-align: left;
  transition:
    border-color 200ms ease,
    box-shadow 250ms var(--ease-out),
    transform 180ms var(--ease-soft),
    background-color 200ms ease;
  font: inherit;
  color: inherit;
}
.adm-role:hover {
  border-color: var(--green-deep);
  background: var(--paper);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
[data-theme="dark"] .adm-role:hover,
body.dark-mode .adm-role:hover { border-color: var(--green); }
.adm-role:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.adm-role-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.adm-role-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.adm-role-glyph {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--green-tint);
  color: var(--green-deep);
  border: 1px solid transparent;
}
.adm-role[data-role="professor"] .adm-role-glyph {
  background: var(--gold-tint);
  color: var(--gold);
}
[data-theme="dark"] .adm-role-glyph,
body.dark-mode .adm-role-glyph { color: var(--green); }
[data-theme="dark"] .adm-role[data-role="professor"] .adm-role-glyph,
body.dark-mode .adm-role[data-role="professor"] .adm-role-glyph { color: var(--gold-bright); }
.adm-role-glyph svg { width: 18px; height: 18px; }

.adm-role-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: -0.018em;
  margin: 0;
  color: var(--ink);
}
.adm-role-body {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0;
}
.adm-role-feats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}


/* ─── 4 · Forms ─────────────────────────────────────── */
.adm-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.adm-form-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.adm-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}
.adm-form-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.adm-form-help {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  margin-top: 0.1rem;
}
.adm-input,
.adm-textarea,
.adm-select {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-3);
  padding: 0.7rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  outline: none;
  transition: border-color 180ms, box-shadow 180ms, background-color 180ms;
  font-weight: 500;
}
.adm-input::placeholder,
.adm-textarea::placeholder {
  color: var(--ink-muted);
  font-weight: 400;
  font-style: italic;
}
.adm-input:focus,
.adm-textarea:focus,
.adm-select:focus {
  border-color: var(--green-deep);
  box-shadow: var(--focus-ring);
  background: var(--paper);
}
[data-theme="dark"] .adm-input:focus,
[data-theme="dark"] .adm-textarea:focus,
[data-theme="dark"] .adm-select:focus,
body.dark-mode .adm-input:focus,
body.dark-mode .adm-textarea:focus,
body.dark-mode .adm-select:focus { border-color: var(--green); }
.adm-textarea {
  min-height: 88px;
  resize: vertical;
  line-height: 1.5;
}
.adm-select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%),
    linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) center, calc(100% - 11px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2.2rem;
}
.adm-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
  align-items: center;
}


/* Password requirement check list (reused for change-password) */
.adm-password-reqs {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.4rem;
}
.adm-password-reqs .requirement {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.adm-password-reqs .requirement::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1.5px solid var(--ink-muted);
  flex-shrink: 0;
  transition: background-color 180ms, border-color 180ms;
}
.adm-password-reqs .requirement.met { color: var(--green-deep); }
.adm-password-reqs .requirement.met::before {
  background: var(--green-deep);
  border-color: var(--green-deep);
}
[data-theme="dark"] .adm-password-reqs .requirement.met,
body.dark-mode .adm-password-reqs .requirement.met { color: var(--green); }
[data-theme="dark"] .adm-password-reqs .requirement.met::before,
body.dark-mode .adm-password-reqs .requirement.met::before {
  background: var(--green);
  border-color: var(--green);
}


/* ─── 5 · Card panel (sub-region with hairline border) ─ */
.adm-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  padding: 1.4rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.adm-card + .adm-card { margin-top: 1.25rem; }
.adm-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.adm-card-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.adm-card-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  text-transform: uppercase;
}


/* ─── 6 · Lists (classes / quizzes / homework / members) ─ */
.adm-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.85rem;
}
.adm-tile {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.05rem 1.15rem 1.15rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  transition: border-color 180ms, box-shadow 180ms, transform 180ms var(--ease-soft);
}
.adm-tile:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.adm-tile-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
}
.adm-tile-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0;
  word-break: break-word;
  min-width: 0;
  flex: 1;
}
.adm-tile-desc {
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0;
}
.adm-tile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.adm-tile-meta strong {
  color: var(--ink-2);
  font-weight: 500;
}
.adm-tile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.55rem;
}


/* Single-row list variant (members, invitations, etc.) */
.adm-rows { display: flex; flex-direction: column; gap: 0.5rem; }
.adm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 0.9rem 1.05rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
}
.adm-row-main { display: flex; flex-direction: column; gap: 0.2rem; min-width: 0; }
.adm-row-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  word-break: break-word;
}
.adm-row-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.adm-row-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }


/* Empty / loading placeholders */
.adm-empty {
  padding: 1.6rem 1.25rem;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--r-4);
  background: var(--paper-2);
  color: var(--ink-muted);
  font-family: var(--font-body);
  font-size: 0.92rem;
}
.adm-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.5rem 1.25rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.adm-loading::before {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--green-deep);
  border-radius: 50%;
  animation: adm-spin 0.7s linear infinite;
}
@keyframes adm-spin { to { transform: rotate(360deg); } }


/* ─── 7 · Status badges ──────────────────────────────── */
.adm-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--paper-3);
  color: var(--ink-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.adm-badge--active     { background: var(--green-tint); color: var(--green-deep); border-color: transparent; }
.adm-badge--due        { background: var(--amber-tint); color: var(--amber); border-color: transparent; }
.adm-badge--overdue    { background: var(--amber-tint); color: var(--amber); border-color: transparent; }
.adm-badge--submitted  { background: var(--cobalt-tint); color: var(--cobalt); border-color: transparent; }
.adm-badge--gold       { background: var(--gold-tint); color: var(--gold); border-color: transparent; }
[data-theme="dark"] .adm-badge--active,
body.dark-mode .adm-badge--active { color: var(--green); }
[data-theme="dark"] .adm-badge--gold,
body.dark-mode .adm-badge--gold { color: var(--gold-bright); }


/* ─── 8 · Inline messages (success / error / warning) ── */
.adm-message {
  display: none;
  padding: 0.85rem 1.1rem;
  border-radius: var(--r-3);
  font-family: var(--font-body);
  font-size: 0.92rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-3);
  background: var(--paper-2);
  color: var(--ink-soft);
}
.adm-message.is-visible { display: block; }
.adm-message.success {
  color: var(--green-deep);
  border-left-color: var(--green-deep);
  background: var(--green-tint);
}
[data-theme="dark"] .adm-message.success,
body.dark-mode .adm-message.success { color: var(--green); border-left-color: var(--green); }
.adm-message.error {
  color: var(--amber);
  border-left-color: var(--amber);
  background: var(--amber-tint);
}
.adm-message.warning {
  color: var(--gold);
  border-left-color: var(--gold);
  background: var(--gold-tint);
}
[data-theme="dark"] .adm-message.warning,
body.dark-mode .adm-message.warning { color: var(--gold-bright); border-left-color: var(--gold-bright); }


/* ─── 9 · Auth gate (mirrors profile pattern) ────────── */
.adm-auth-required {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.6rem 1.75rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-4);
  background: var(--gold-tint);
  margin-top: 0.5rem;
}
.adm-auth-required-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
[data-theme="dark"] .adm-auth-required-eyebrow,
body.dark-mode .adm-auth-required-eyebrow { color: var(--gold-bright); }
.adm-auth-required-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.adm-auth-required-body {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0;
  max-width: 60ch;
}


/* ─── 10 · Username autocomplete ─────────────────────── */
.adm-autocomplete { position: relative; }
.adm-autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-md);
  max-height: 240px;
  overflow-y: auto;
  z-index: 25;
  display: none;
}
.adm-autocomplete-dropdown.is-open { display: block; }
.adm-autocomplete-item {
  padding: 0.65rem 0.95rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 120ms;
}
.adm-autocomplete-item:last-child { border-bottom: 0; }
.adm-autocomplete-item:hover,
.adm-autocomplete-item.is-highlighted {
  background: var(--green-tint);
  color: var(--green-deep);
}
[data-theme="dark"] .adm-autocomplete-item:hover,
[data-theme="dark"] .adm-autocomplete-item.is-highlighted,
body.dark-mode .adm-autocomplete-item:hover,
body.dark-mode .adm-autocomplete-item.is-highlighted { color: var(--green); }
.adm-autocomplete-empty {
  padding: 0.8rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  text-align: center;
}


/* ─── 11 · Quiz builder (professor) ──────────────────── */
.adm-question {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.15rem 1.2rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
}
.adm-question + .adm-question { margin-top: 0.7rem; }
.adm-question-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}
.adm-question-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.adm-type-row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.adm-type-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: background-color 150ms, color 150ms, border-color 150ms;
}
.adm-type-pill input { display: none; }
.adm-type-pill:has(input:checked) {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
[data-theme="dark"] .adm-type-pill:has(input:checked),
body.dark-mode .adm-type-pill:has(input:checked) {
  background: var(--green);
  color: #0B1220;
  border-color: var(--green);
}

.adm-options-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}
.adm-option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.6rem;
  align-items: center;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--paper-2);
  margin-bottom: 0.5rem;
  transition: border-color 180ms, background-color 180ms;
}
.adm-option.is-correct {
  border-color: var(--green-deep);
  background: var(--green-tint);
}
[data-theme="dark"] .adm-option.is-correct,
body.dark-mode .adm-option.is-correct { border-color: var(--green); }
.adm-option-correct {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  cursor: pointer;
}
.adm-option.is-correct .adm-option-correct { color: var(--green-deep); }
[data-theme="dark"] .adm-option.is-correct .adm-option-correct,
body.dark-mode .adm-option.is-correct .adm-option-correct { color: var(--green); }
.adm-option-input {
  border: 0;
  background: transparent;
  font: inherit;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink);
  outline: none;
  min-width: 0;
  width: 100%;
}
.adm-option-input::placeholder {
  color: var(--ink-muted);
  font-style: italic;
}
.adm-text-answer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.5rem;
}
.adm-mini-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: var(--r-2);
  padding: 0.35rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 150ms, color 150ms, border-color 150ms;
}
.adm-mini-btn:hover {
  background: var(--paper-tint);
  color: var(--ink);
  border-color: var(--ink-3);
}
.adm-mini-btn.is-danger:hover {
  background: var(--amber-tint);
  color: var(--amber);
  border-color: var(--amber);
}


/* ─── 12 · Danger zone ───────────────────────────────── */
.adm-danger {
  border: 1px solid var(--amber);
  border-left-width: 3px;
  background: var(--amber-tint);
}
.adm-danger .adm-card-title { color: var(--amber); }
.adm-danger-warning {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--amber);
  line-height: 1.55;
  margin: 0;
}
.adm-checkbox {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink-soft);
  cursor: pointer;
  line-height: 1.5;
  user-select: none;
}
.adm-checkbox input {
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: 0.15rem;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-2);
  background: var(--paper);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background-color 180ms, border-color 180ms;
}
.adm-checkbox input:checked {
  background: var(--amber);
  border-color: var(--amber);
}
.adm-checkbox input:checked::after {
  content: '';
  position: absolute;
  inset: 2px 3px;
  background: var(--paper);
  clip-path: polygon(14% 50%, 0 60%, 40% 100%, 100% 25%, 86% 15%, 39% 70%);
}
.btn-danger {
  background: var(--amber);
  color: #FFFFFF;
  border-color: var(--amber);
}
.btn-danger:hover {
  background: #B0481E;
  border-color: #B0481E;
}
[data-theme="dark"] .btn-danger,
body.dark-mode .btn-danger {
  background: var(--amber);
  border-color: var(--amber);
  color: #0B1220;
}


/* ─── 13 · Class details / homework modal ───────────── */
.adm-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 22, 34, 0.5);
  z-index: 1100;
  padding: 2rem 1rem;
  overflow-y: auto;
}
.adm-modal.is-open { display: block; }
.adm-modal-shell {
  max-width: 760px;
  margin: 1rem auto;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.adm-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.adm-modal-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.adm-modal-close {
  width: 34px;
  height: 34px;
  border-radius: var(--r-2);
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  transition: background-color 150ms;
}
.adm-modal-close:hover { background: var(--paper-tint); color: var(--ink); }
.adm-modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-height: calc(100vh - 9rem);
  overflow-y: auto;
}
@media (max-width: 540px) {
  .adm-modal { padding: 1rem 0.5rem; }
  .adm-modal-body { padding: 1.25rem 1rem; }
}


/* ─── 14 · Submissions table (homework details) ──────── */
.adm-sub-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
}
.adm-sub-table thead th {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.adm-sub-table thead th.right { text-align: right; }
.adm-sub-table tbody td {
  padding: 0.85rem 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
  font-size: 0.92rem;
  color: var(--ink);
}
.adm-sub-table tbody tr:last-child td { border-bottom: 0; }
.adm-sub-table tbody tr:hover td { background: var(--paper-2); }
.adm-sub-table .right { text-align: right; }
.adm-sub-rank {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  color: var(--ink-2);
  font-weight: 500;
}
.adm-sub-rank--1 { color: var(--gold); }
.adm-sub-rank--2 { color: var(--ink-3); }
.adm-sub-rank--3 { color: var(--amber); }
.adm-sub-pct--excellent { color: var(--green-deep); font-weight: 600; }
.adm-sub-pct--good      { color: var(--cobalt); font-weight: 500; }
.adm-sub-pct--low       { color: var(--amber); }
[data-theme="dark"] .adm-sub-pct--excellent,
body.dark-mode .adm-sub-pct--excellent { color: var(--green); }
.adm-sub-empty {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-align: center;
}


/* ─── 15 · Newsletter status panel ───────────────────── */
.adm-nl-status {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
  background: var(--paper);
}
.adm-nl-cell {
  padding: 0.85rem 1.1rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.adm-nl-cell:last-child { border-right: 0; }
.adm-nl-cell-label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.adm-nl-cell-value {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 500;
  word-break: break-word;
}
.adm-nl-cell-value.is-subscribed { color: var(--green-deep); }
[data-theme="dark"] .adm-nl-cell-value.is-subscribed,
body.dark-mode .adm-nl-cell-value.is-subscribed { color: var(--green); }


/* ─── 16 · Validation message (under autocomplete) ───── */
.adm-validation {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
  padding: 0.4rem 0;
}
.adm-validation.is-visible { display: block; }
.adm-validation.success { color: var(--green-deep); }
.adm-validation.warning { color: var(--gold); }
.adm-validation.error   { color: var(--amber); }
[data-theme="dark"] .adm-validation.success,
body.dark-mode .adm-validation.success { color: var(--green); }
[data-theme="dark"] .adm-validation.warning,
body.dark-mode .adm-validation.warning { color: var(--gold-bright); }


/* ─── 17 · Mobile tweaks ─────────────────────────────── */
@media (max-width: 540px) {
  .adm-card { padding: 1.15rem 1.15rem 1.25rem; }
  .adm-tile { padding: 0.95rem 1rem 1.05rem; }
  .adm-form-row { grid-template-columns: 1fr; }
  .adm-row { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .adm-row-actions { width: 100%; }
}