/* ============================================
   Quick Access Bar — Frequency-based
   เมนูลัดอัตโนมัติ ตามความถี่การใช้งาน
   ============================================ */

/* Wrapper */
.qa-bar-wrapper {
    position: relative;
    z-index: 10;
}

/* Bar Container */
.qa-bar {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.qa-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0.75rem;
    max-width: 100%;
    overflow: hidden;
    white-space: nowrap;
    flex-wrap: nowrap;
}

/* Items Container */
.qa-bar-items {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
    min-width: 0;
    padding: 0.25rem 0;
    flex-wrap: nowrap;
}

.qa-bar-items::-webkit-scrollbar {
    display: none;
}

/* Item Wrap */
.qa-item-wrap {
    display: contents;
}

/* Regular Item */
.qa-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.3rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #4b5563;
    white-space: nowrap;
    text-decoration: none;
    transition: all 0.15s ease;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    line-height: 1.4;
}

.qa-item:hover {
    background-color: #f3f4f6;
    color: #111827;
}

/* Active Item */
.qa-item-active {
    background-color: rgb(255 251 235);
    color: rgb(180 83 9);
    border-color: rgb(253 230 138);
    font-weight: 600;
}

.qa-item-active:hover {
    background-color: rgb(254 243 199);
}

/* Dropdown Open */
.qa-item-dropdown-open {
    background-color: #f3f4f6;
    color: #111827;
}

/* Item Label */
.qa-item-label {
    flex-shrink: 0;
}

/* Frequency Badge */
.qa-freq-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.125rem;
    height: 1.125rem;
    padding: 0 0.25rem;
    border-radius: 9999px;
    font-size: 0.625rem;
    font-weight: 600;
    background-color: #e5e7eb;
    color: #6b7280;
    line-height: 1;
}

.qa-item-active .qa-freq-badge {
    background-color: rgb(253 230 138);
    color: rgb(146 64 14);
}

/* Chevron */
.qa-chevron {
    width: 0.75rem;
    height: 0.75rem;
    flex-shrink: 0;
    transition: transform 0.2s ease;
    opacity: 0.6;
}

.qa-chevron-open {
    transform: rotate(180deg);
}

/* Dropdown Wrapper */
.qa-dropdown-wrapper {
    position: relative;
}

/* Dropdown Menu */
.qa-dropdown {
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    min-width: 14rem;
    max-height: 24rem;
    overflow-y: auto;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    padding: 0.25rem;
    z-index: 20;
}

/* Dropdown Item */
.qa-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
    color: #374151;
    text-decoration: none;
    border-radius: 0.375rem;
    transition: all 0.1s ease;
    white-space: nowrap;
}

/* Overflow trigger button */
.qa-overflow-btn {
    color: #6b7280;
    font-size: 0.75rem;
    border: 1px dashed #d1d5db;
    background: #f9fafb;
}
.qa-overflow-btn:hover {
    border-color: #9ca3af;
    background: #f3f4f6;
}

.qa-dropdown-item:hover {
    background-color: #f3f4f6;
    color: #111827;
}

.qa-dropdown-item-active {
    background-color: rgb(255 251 235);
    color: rgb(180 83 9);
    font-weight: 600;
}

/* Scrollbar */
.qa-dropdown::-webkit-scrollbar { width: 6px; }
.qa-dropdown::-webkit-scrollbar-track { background: #f9fafb; border-radius: 3px; }
.qa-dropdown::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; }
.qa-dropdown::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

/* Empty Hint */
.qa-empty-hint {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    color: #9ca3af;
    padding: 0.25rem 0.5rem;
    font-style: italic;
    white-space: nowrap;
}

/* Toggle Button */
.qa-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
    border-radius: 0.375rem;
    color: #9ca3af;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.qa-toggle-btn:hover {
    background-color: #f3f4f6;
    color: #6b7280;
}

/* Reset Button */
.qa-reset-btn:hover {
    background-color: #fef2f2;
    color: #ef4444;
}

.qa-toggle-icon {
    width: 1rem;
    height: 1rem;
}

/* Collapsed Toggle */
.qa-collapsed-toggle {
    display: flex;
    justify-content: center;
    background: white;
    border-bottom: 1px solid #e5e7eb;
}

.qa-collapsed-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.1rem 0.75rem;
    font-size: 0.6875rem;
    color: #9ca3af;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

.qa-collapsed-btn:hover {
    color: #6b7280;
    background-color: #f9fafb;
}

.qa-collapsed-label {
    font-weight: 500;
}

.qa-toggle-icon-down {
    width: 0.875rem;
    height: 0.875rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 767px) {
    .qa-bar-wrapper { display: none; }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .qa-item-label { font-size: 0.75rem; }
    .qa-item { padding: 0.25rem 0.5rem; gap: 0.25rem; }
    .qa-freq-badge { font-size: 0.5625rem; min-width: 1rem; height: 1rem; }
}

/* ============================================
   Dark Mode
   ============================================ */

.dark .qa-bar {
    background: rgb(24 24 27);
    border-bottom-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.dark .qa-item { color: #a1a1aa; }
.dark .qa-item:hover { background-color: rgba(255, 255, 255, 0.05); color: #e4e4e7; }

.dark .qa-item-active {
    background-color: rgba(245, 158, 11, 0.1);
    color: rgb(251 191 36);
    border-color: rgba(245, 158, 11, 0.3);
}
.dark .qa-item-active:hover { background-color: rgba(245, 158, 11, 0.15); }

.dark .qa-item-dropdown-open { background-color: rgba(255, 255, 255, 0.05); color: #e4e4e7; }

.dark .qa-freq-badge { background-color: rgba(255, 255, 255, 0.1); color: #a1a1aa; }
.dark .qa-item-active .qa-freq-badge { background-color: rgba(245, 158, 11, 0.2); color: rgb(251 191 36); }

.dark .qa-dropdown {
    background: rgb(24 24 27);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

.dark .qa-dropdown-item { color: #a1a1aa; }
.dark .qa-dropdown-item:hover { background-color: rgba(255, 255, 255, 0.05); color: #e4e4e7; }
.dark .qa-dropdown-item-active { background-color: rgba(245, 158, 11, 0.1); color: rgb(251 191 36); }

.dark .qa-empty-hint { color: #52525b; }

.dark .qa-toggle-btn { color: #52525b; }
.dark .qa-toggle-btn:hover { background-color: rgba(255, 255, 255, 0.05); color: #a1a1aa; }

.dark .qa-collapsed-toggle { background: rgb(24 24 27); border-bottom-color: rgba(255, 255, 255, 0.1); }
.dark .qa-collapsed-btn { color: #52525b; }
.dark .qa-collapsed-btn:hover { color: #a1a1aa; background-color: rgba(255, 255, 255, 0.03); }

.dark .qa-overflow-btn { color: #a1a1aa; border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.03); }
.dark .qa-overflow-btn:hover { border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.06); }

.dark .qa-dropdown::-webkit-scrollbar-track { background: rgb(39 39 42); }
.dark .qa-dropdown::-webkit-scrollbar-thumb { background: rgb(63 63 70); }
.dark .qa-dropdown::-webkit-scrollbar-thumb:hover { background: rgb(82 82 91); }