/* toolbar.css — filter toolbar & year level tabs */

/* ============================================================
   FILTER TOOLBAR
   ============================================================ */
.toolbar { /* MODERN RESTYLE: border → shadow */
  background: #fff;
  border: none;
  box-shadow: var(--shadow-card);
  border-radius: var(--card-radius);
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}

.toolbar-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}
.toolbar-row + .toolbar-row {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--gray-light);
}

.toolbar-row input[type="text"],
.toolbar-row select { /* MODERN RESTYLE: lighter border */
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 0.48rem 0.85rem;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: #fff;
  color: var(--gray-dark);
  transition: border-color 0.15s, box-shadow 0.15s;
  height: 38px;
}
/* Search wrapper — carries the flex/width so the tooltip pseudo-element works */
.search-wrap { flex: 1; min-width: 180px; position: relative; }
.search-wrap input[type="text"] { width: 100%; min-width: 0; flex: none; border-radius: 99px; padding-left: 1.1rem; } /* MODERN RESTYLE: rounded-full search */

/* Delayed hover tooltip — appears 0.7s after hovering the search box */
.search-wrap::after {
  content: "Search all fields, or narrow to one with a prefix:\A\A  tit:  title\A  aut:  author\A  ill:  illustrator\A  top:  topics\A  hab:  habitat\A  sun:  sung to\A\A Full names work too \2014  title: author: etc.";
  white-space: pre;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: #333;
  color: #fff;
  padding: 9px 13px;
  border-radius: 6px;
  font-size: 11.5px;
  line-height: 1.7;
  z-index: 900;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease 0s;   /* hide immediately */
  box-shadow: 0 3px 10px rgba(0,0,0,0.25);
}
.search-wrap:hover::after {
  opacity: 1;
  transition: opacity 0.15s ease 0.7s; /* show after 0.7s hover */
}
.toolbar-row input:focus,
.toolbar-row select:focus { border-color: var(--green-mid); outline: none; box-shadow: var(--focus-ring); } /* MODERN RESTYLE: soft focus ring */
.toolbar-row select { min-width: 130px; }

.toolbar-toggle-group { /* MODERN RESTYLE: pill track */
  display: flex;
  gap: 2px;
  border: none;
  background: var(--gray-light);
  border-radius: 99px;
  padding: 3px;
  overflow: hidden;
  height: 38px;
}
.toolbar-toggle-group button {
  background: transparent;
  border: none;
  border-radius: 99px;
  padding: 0 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font-body);
  color: var(--gray-mid);
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}
.toolbar-toggle-group button.active {
  background: var(--green-dark);
  color: #fff;
}

.count-label {
  font-size: 0.8rem;
  color: var(--gray-mid);
  margin-left: auto;
  white-space: nowrap;
  align-self: center;
}

/* Singable-only filter section (collapsible) */
.singable-filters {
  display: none;
}
.singable-filters.visible {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* ============================================================
   YEAR LEVEL TABS
   ============================================================ */
.year-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.year-tab { /* MODERN RESTYLE: soft borderless pill */
  padding: 0.38rem 0.85rem;
  border-radius: 20px;
  border: none;
  background: #fff;
  box-shadow: 0 1px 2px rgba(28,25,23,0.08);
  color: var(--green-dark);
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.15s;
  white-space: nowrap;
}
.year-tab:hover { background: var(--green-light); }
.year-tab.active {
  background: var(--green-dark);
  color: #fff;
  border-color: var(--green-dark);
}


/* Vertical separator inside the manage toolbar row */
.manage-row-sep {
  display: inline-block;
  width: 1px;
  height: 24px;
  background: var(--gray-border);
  align-self: center;
  margin: 0 0.15rem;
  flex-shrink: 0;
}

/* "Manage" section label — left-hand title in the manage toolbar row */
.manage-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-mid);
  padding-right: 0.25rem;
  white-space: nowrap;
  align-self: center;
}

/* Sync Data button — red, admin-only, only shown when the sync tool is deployed */
.btn-sync-data {
  background: #dc2626;
  color: #fff;
  border: 1px solid #b91c1c;
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s;
  animation: pulse-red 2s ease-in-out infinite;
}
.btn-sync-data:hover { background: #b91c1c; animation: none; }

@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,0.4); }
  50%       { box-shadow: 0 0 0 5px rgba(220,38,38,0); }
}

/* Curriculum Tools button — amber, always-visible to admins */
.btn-curriculum-tools { /* MODERN RESTYLE: quiet white pill */
  background: #fff;
  color: var(--gray-dark);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s;
}
.btn-curriculum-tools:hover { background: var(--gray-light); }

/* Manage dropdown selects in the admin manage row */
.manage-dropdown { /* MODERN RESTYLE: quiet white pill */
  appearance: none;
  -webkit-appearance: none;
  background: #fff;
  color: var(--gray-dark);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s;
}
.manage-dropdown:hover { background: var(--gray-light); color: var(--gray-dark); }

/* Inline note beside the approval filter */
.admin-note {
  font-size: 0.75rem;
  color: var(--gray-mid);
  font-style: italic;
  white-space: nowrap;
  align-self: center;
}

/* Topic input error flash */
input.input-error {
  border-color: #f87171 !important;
  background: #fff1f1 !important;
  color: #b91c1c !important;
}

/* ============================================================
   AI SEARCH
   ============================================================ */
.btn-ai-search {
  height: 38px;
  padding: 0 1rem;
  background: var(--green-dark);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  flex-shrink: 0;
}
.btn-ai-search:hover  { background: var(--green-mid); }
.btn-ai-search:disabled { opacity: 0.6; cursor: default; }

.ai-search-status {
  font-size: 0.82rem;
  color: var(--gray-mid);
  align-self: center;
  white-space: nowrap;
}

/* Explanation bar shown below the toolbar when AI filters are active */
.ai-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.25rem 0.1rem;
  border-top: 1px solid var(--gray-light);
  margin-top: 0.5rem;
}
.ai-bar-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-mid);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.ai-bar-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  border: 1px solid var(--green-border);
  border-radius: 12px;
  padding: 0.18rem 0.65rem;
  font-size: 0.8rem;
  white-space: nowrap;
}
.ai-bar-clear {
  margin-left: auto;
  background: none;
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
  color: var(--gray-mid);
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.12s;
}
.ai-bar-clear:hover { background: #fef2f2; border-color: #f87171; color: #b91c1c; }

/* ── MODERN RESTYLE: search-first toolbar — start ── */

/* Filters toggle button with active-count badge */
.btn-filters {
  height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--input-border);
  border-radius: 99px;
  padding: 0 1rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  color: var(--gray-dark);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s;
}
.btn-filters:hover { background: var(--gray-light); }
.filter-badge {
  background: var(--green-dark);
  color: #fff;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 1px 7px;
  line-height: 1.5;
}

/* Active-filter chips row */
#active-filter-chips { gap: 0.35rem; }
.af-chip {
  background: var(--green-light);
  color: var(--green-dark);
  border: none;
  border-radius: 99px;
  padding: 0.25rem 0.75rem;
  font-size: 0.78rem;
  font-family: var(--font-body);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s;
}
.af-chip:hover { background: var(--green-border); }

/* Clear button (was the header "Browse" button) — right end of the year row */
.btn-clear-filters {
  margin-left: auto;
  background: #fff;
  border: 1px solid var(--input-border);
  border-radius: 99px;
  padding: 0.3rem 0.85rem;
  font-size: 0.8rem;
  font-family: var(--font-body);
  color: var(--gray-mid);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}
.btn-clear-filters:hover { background: #fef2f2; border-color: #f87171; color: #b91c1c; }

/* Add Book — moved into the admin manage row, solid teal accent at the right end */
#nav-add-btn {
  margin-left: auto;
  background: var(--teal-mid);
  color: #fff;
  border: none;
  border-radius: 99px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s;
}
#nav-add-btn:hover { background: var(--teal-dark); }

/* ── MODERN RESTYLE: search-first toolbar — end ── */

/* ── MODERN RESTYLE: admin strip — start ── */
/* Admin-only rows read as one distinct tinted zone */
#admin-filter-row,
#admin-manage-row {
  background: #F7F4EC;
  border-radius: 10px;
  padding: 0.5rem 0.6rem;
  border-top: none;
}
/* ── MODERN RESTYLE: admin strip — end ── */