/*
 * Admin shell + dashboard. Light theme is set on <html> by the admin layout.
 */

body.admin {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────── */
.admin-sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 22px 16px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.admin-sidebar__brand { padding: 0 4px 22px; border-bottom: 1px solid var(--color-border-subtle); margin-bottom: 16px; }
.admin-sidebar__nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.admin-sidebar__item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14px; font-weight: 500;
  color: var(--color-text-muted);
  transition: background 0.15s ease, color 0.15s ease;
}
.admin-sidebar__item:hover {
  background: var(--color-card-alt);
  color: var(--color-text);
}
.admin-sidebar__item--active,
.admin-sidebar__item--active:hover {
  background: var(--color-accent-dim);
  color: var(--color-accent);
}
.admin-sidebar__item--disabled {
  opacity: 0.5;
  pointer-events: none;
}
.admin-sidebar__icon { font-size: 14px; width: 16px; text-align: center; }

.admin-sidebar__theme {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  margin-top: auto;
  padding: 9px 12px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.admin-sidebar__theme:hover {
  background: var(--color-card-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}
.admin-sidebar__theme-glyph {
  font-size: 14px;
  width: 16px;
  text-align: center;
}

.admin-sidebar__user {
  display: grid;
  grid-template-columns: 30px 1fr;
  grid-template-areas:
    "avatar meta"
    "logout logout";
  align-items: center;
  gap: 8px 10px;
  padding: 12px 8px 0;
  border-top: 1px solid var(--color-border-subtle);
  margin-top: 12px;
}
.admin-sidebar__avatar {
  grid-area: avatar;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.admin-sidebar__user-meta { grid-area: meta; min-width: 0; }
.admin-sidebar__user-name { font-size: 13px; font-weight: 500; color: var(--color-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.admin-sidebar__user-role { font-size: 11px; color: var(--color-text-muted); }
.admin-sidebar__logout-form { grid-area: logout; }
.admin-sidebar__logout {
  width: 100%;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}
.admin-sidebar__logout:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── Main column ─────────────────────────────────────────── */
.admin__main {
  padding: 32px;
  background: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

.admin__flash {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 14px;
  border: 1px solid;
}
.admin__flash--notice { background: rgba(16, 185, 129, 0.08); color: #047857; border-color: rgba(16, 185, 129, 0.4); }
.admin__flash--alert  { background: rgba(239, 68, 68, 0.08);  color: #B91C1C; border-color: rgba(239, 68, 68, 0.4); }

/* ── Page header ────────────────────────────────────────── */
.admin-page-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.admin-page-header h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.admin-page-header p { font-size: 14px; margin-top: 4px; }
.admin-page-header__action { margin: 0; }

/* ── Quiz grid ───────────────────────────────────────────── */
.quiz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.quiz-card { padding: 20px; border-radius: 14px; }
.quiz-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.quiz-card__updated { font-size: 12px; color: var(--color-text-muted); }
.quiz-card__title { font-size: 17px; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.quiz-card__meta { font-size: 13px; color: var(--color-text-muted); margin-bottom: 16px; }
.quiz-card__actions { display: flex; gap: 8px; align-items: center; }
.quiz-card__icon-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 12px;
  color: var(--color-text-muted);
  cursor: pointer;
  margin-left: auto;
  font-weight: 500;
}
.quiz-card__icon-btn:hover { color: var(--color-danger); border-color: var(--color-danger); }

.quiz-grid__new-form { margin: 0; height: 100%; }
.quiz-grid__new {
  width: 100%; min-height: 100%;
  background: transparent;
  border: 2px dashed var(--color-border);
  border-radius: 14px;
  padding: 32px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  color: var(--color-text-muted);
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.quiz-grid__new:hover { border-color: var(--color-accent); color: var(--color-accent); }
.quiz-grid__new-plus { font-size: 24px; line-height: 1; }

/* ── Empty state ────────────────────────────────────────── */
.quiz-empty {
  text-align: center;
  padding: 64px 24px;
  background: var(--color-card);
  border: 1px dashed var(--color-border);
  border-radius: 16px;
}
.quiz-empty__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.quiz-empty h2 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.quiz-empty p { color: var(--color-text-muted); margin-bottom: 20px; }
.quiz-empty__form { display: inline-block; margin: 0; }

@media (max-width: 720px) {
  body.admin { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; }
}

/* ── Quiz editor ───────────────────────────────────────── */
.quiz-editor { max-width: 760px; margin: 0 auto; padding: 0 0 80px; }

.quiz-editor__top {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--color-border-subtle);
  border-radius: 14px;
  background: var(--color-card);
  margin-bottom: 16px;
}
.quiz-editor__back {
  font-size: 22px;
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  border-radius: 8px;
}
.quiz-editor__back:hover { background: var(--color-card-alt); color: var(--color-text); }
.quiz-editor__title {
  flex: 1;
  font-size: 22px;
  font-weight: 700;
  display: inline-flex;
  cursor: text;
}
.quiz-editor__title-input {
  font-size: 22px;
  font-weight: 700;
  padding: 6px 12px;
}
.quiz-editor__top-actions { display: flex; gap: 10px; align-items: center; }
.quiz-editor__publish-form { margin: 0; }

.quiz-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--color-border-subtle);
  border-radius: 14px;
  background: var(--color-card);
  margin-bottom: 24px;
  overflow: hidden;
}
.quiz-stats__cell {
  padding: 14px 18px;
  border-right: 1px solid var(--color-border-subtle);
}
.quiz-stats__cell:last-child { border-right: none; }
.quiz-stats__label { font-size: 12px; color: var(--color-text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.quiz-stats__value { font-size: 22px; font-weight: 700; }

.quiz-editor__list { display: flex; flex-direction: column; gap: 24px; }

/* Round group */
.round-group {
  border: 1px solid var(--color-border-subtle);
  border-radius: 14px;
  background: var(--color-card);
  padding: 16px;
}
.round-group__header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.round-group__title-form { flex: 1; margin: 0; }
.round-group__title-input {
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  padding: 6px 8px;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.round-group__title-input:hover { border-color: var(--color-border-subtle); }
.round-group__title-input:focus { border-color: var(--color-accent); background: var(--color-card-alt); }

.round-group__remove {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--color-text-muted);
  cursor: pointer;
}
.round-group__remove:hover { color: var(--color-danger); border-color: var(--color-danger); }

.round-group__list { display: flex; flex-direction: column; gap: 8px; min-height: 8px; }
.round-group__add-form { margin-top: 8px; }
.round-group__add {
  width: 100%;
  background: transparent;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  padding: 10px;
  color: var(--color-text-muted);
  font-size: 13px;
  cursor: pointer;
}
.round-group__add:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Question row */
.question-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--color-border-subtle);
  border-radius: 12px;
  background: var(--color-card);
  transition: border-color 0.15s ease;
}
.question-row:hover { border-color: var(--color-border); }
.question-row.is-dragging { opacity: 0.4; }

.question-row__handle {
  cursor: grab;
  color: var(--color-text-faint);
  font-size: 14px;
  letter-spacing: -2px;
  user-select: none;
}
.question-row__num {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  width: 28px;
}
.question-row__body { flex: 1; min-width: 0; }
.question-row__text {
  display: block;
  font-size: 14px;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.question-row__text:hover { color: var(--color-accent); }
.question-row__meta { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.question-row__delete {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--color-text-faint);
  cursor: pointer;
}
.question-row__delete:hover { color: var(--color-danger); border-color: var(--color-danger); }

.quiz-editor__add-round-form { margin: 0; }
.quiz-editor__add-round {
  width: 100%;
  background: transparent;
  border: 2px dashed var(--color-border);
  border-radius: 14px;
  padding: 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  cursor: pointer;
  font-weight: 500;
}
.quiz-editor__add-round:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ── Question editor ──────────────────────────────────── */
.question-editor { max-width: 960px; margin: 0 auto; }

.question-editor__top {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--color-border-subtle);
  border-radius: 14px;
  background: var(--color-card);
  margin-bottom: 24px;
}
.question-editor__heading { flex: 1; font-size: 22px; font-weight: 700; }

.question-editor__layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 24px;
  align-items: start;
}
.question-editor__main { display: flex; flex-direction: column; gap: 20px; }
.question-editor__field { display: flex; flex-direction: column; gap: 6px; }

@media (max-width: 880px) {
  .question-editor__layout { grid-template-columns: 1fr; }
}

.type-selector { display: flex; flex-wrap: wrap; gap: 8px; }
.type-selector__pill {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
}
.type-selector__pill.is-active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.mc-options { display: flex; flex-direction: column; gap: 8px; }
.mc-option {
  display: flex; align-items: center; gap: 10px;
  padding: 8px;
  border: 1px solid var(--color-border-subtle);
  border-radius: 10px;
}
.mc-option.is-correct {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.06);
}
.mc-option__letter {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--color-card-alt);
  border: 1.5px solid var(--color-border);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text);
  flex-shrink: 0;
}
.mc-option.is-correct .mc-option__letter {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}
.mc-option__text { flex: 1; }

.tf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tf-tile {
  background: var(--color-card);
  border: 1.5px solid var(--color-border);
  border-radius: 14px;
  padding: 28px;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
}
.tf-tile.is-selected {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.media-form__drop {
  display: block;
  border: 2px dashed var(--color-border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.media-form__drop:hover { border-color: var(--color-accent); background: rgba(99,102,241,0.04); }
.media-form__placeholder { color: var(--color-text-muted); font-size: 14px; }
.media-form__placeholder span { font-size: 32px; display: block; margin-bottom: 8px; color: var(--color-text-faint); }
.media-form__preview { max-height: 240px; max-width: 100%; margin: 0 auto; border-radius: 8px; display: block; }
.media-form__audio { width: 100%; }

.question-sidebar {
  border: 1px solid var(--color-border-subtle);
  border-radius: 14px;
  padding: 20px;
  background: var(--color-card);
  position: sticky;
  top: 24px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-card-alt);
  border: 1px solid var(--color-border);
  cursor: pointer;
  user-select: none;
}
.chip:has(input:checked),
.chip.is-selected {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.chip input { display: none; }
.question-sidebar__summary p { font-size: 14px; color: var(--color-text); margin-top: 4px; }

/* ── Universal photo toggle (story 12) ─────────────────── */
.photo-toggle { margin: 12px 0; }
.photo-toggle__row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card, #fff);
}
.photo-toggle__label { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.photo-toggle__pill {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.photo-toggle__pill.is-on {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.photo-toggle__zone { margin-top: 12px; }
.photo-toggle__drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px;
  border: 2px dashed var(--color-border);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  background: var(--color-border-subtle, transparent);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: border-color 0.15s ease;
}
.photo-toggle__drop:hover { border-color: var(--color-accent); }
.photo-toggle__drop-text { font-size: 14px; font-weight: 500; color: var(--color-text); }
.photo-toggle__drop-sub  { font-size: 12px; color: var(--color-text-muted); }
.photo-toggle__preview {
  max-height: 220px; max-width: 100%;
  border-radius: 8px;
  display: block;
}

/* ──────────────────────────────────────────────────────────────────────
 * Import questions (story 18)
 * ────────────────────────────────────────────────────────────────────── */

.qz-import {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}
.qz-import__top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.qz-import__title { font-size: 22px; font-weight: 700; }

.qz-import__layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  min-height: 600px;
}

.qz-import__left {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-right: 1px solid var(--color-border);
}

.qz-import__tabs {
  display: flex;
  align-items: center;
  gap: 16px;
}
.qz-import__tab {
  padding-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.qz-import__tab input[type="radio"] { display: none; }
.qz-import__tab.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}
.qz-import__example-btn {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.qz-import__hint { font-size: 12px; color: var(--color-text-muted); }

.qz-import__textarea {
  flex: 1;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  background: #0A0F1E;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 14px;
  resize: none;
  min-height: 240px;
}

.qz-import__error {
  background: rgba(239, 68, 68, 0.13);
  border: 1px solid rgba(239, 68, 68, 0.27);
  color: var(--color-danger);
  font-size: 12px;
  padding: 10px 14px;
  border-radius: 10px;
}

.qz-import__parse-btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
  font-weight: 700;
  font-size: 14px;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
}

.qz-import__right {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.qz-import__empty {
  margin: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--color-text-muted);
}
.qz-import__empty-icon { font-size: 32px; }
.qz-import__empty-title { font-size: 14px; font-weight: 600; color: var(--color-text); }
.qz-import__empty-hint  { font-size: 12px; max-width: 320px; }
.qz-import__empty-hint code {
  background: var(--color-card-alt);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: ui-monospace, monospace;
  font-size: 11px;
}

.qz-import__preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.qz-import__commit-form { padding: 0; margin: 0; }
.qz-import__commit-btn {
  background: var(--color-success);
  color: #fff;
  border: none;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
}
.qz-import__commit-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.qz-import__warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-warning);
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 8px;
}

.qz-import__rows { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.qz-import__row {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: var(--color-card-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}
.qz-import__row.is-invalid { border-color: var(--color-danger); }

.qz-import__badge {
  flex-shrink: 0;
  width: 30px; height: 30px;
  background: color-mix(in srgb, var(--badge-color) 20%, transparent);
  border: 1px solid color-mix(in srgb, var(--badge-color) 33%, transparent);
  color: var(--badge-color);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.qz-import__row-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.qz-import__row-text { font-size: 14px; font-weight: 700; line-height: 1.4; }
.qz-import__row-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.qz-import__tag {
  font-size: 11px;
  background: var(--color-card);
  padding: 2px 8px;
  border-radius: 99px;
  color: var(--color-text-muted);
}
.qz-import__tag--success {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.13);
}
.qz-import__row-errors { font-size: 11px; color: var(--color-danger); }
