/* ═══════════════════════════════════════════════════════════════════════════
   CASE NAVIGATION DROPDOWN - Modern Quick Access Panel
   Provides quick search, favorites, recent cases, and filtered list access

   Self-contained styles with hardcoded fallbacks for all CSS variables.
   Does not depend on attache-nav-modern.css for core visual appearance.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────────
   RESET - Prevent inherited styles from ace theme, Custom-green.css, etc.
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-dropdown,
.case-nav-dropdown *,
.case-nav-dropdown *::before,
.case-nav-dropdown *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.case-nav-dropdown a,
.case-nav-dropdown a:hover,
.case-nav-dropdown a:focus,
.case-nav-dropdown a:active,
.case-nav-dropdown a:visited {
    text-decoration: none !important;
    color: inherit !important;
    border-color: transparent !important;
    outline: none;
}

.case-nav-dropdown button {
    font-family: inherit;
    cursor: pointer;
}

.case-nav-dropdown i {
    font-style: normal;
}

/* ─────────────────────────────────────────────────────────────────────────────
   DROPDOWN TRIGGER BUTTON
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.case-nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.case-nav-dropdown-trigger:hover {
    background-color: #f8f9fa !important;
    border-color: var(--org-primary, #2563eb) !important;
    color: var(--org-primary, #2563eb) !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.case-nav-dropdown-trigger:active {
    transform: translateY(0);
}

.case-nav-dropdown-trigger:focus-visible {
    outline: 2px solid var(--org-primary, #2563eb);
    outline-offset: 2px;
}

.case-nav-dropdown-trigger .dropdown-chevron {
    width: 16px;
    height: 16px;
    transition: transform 0.15s ease;
    opacity: 0.7;
}

.case-nav-dropdown-trigger:hover .dropdown-chevron {
    opacity: 1;
}

.case-nav-dropdown-trigger[aria-expanded="true"] {
    background-color: var(--org-primary, #2563eb) !important;
    color: white !important;
    border-color: var(--org-primary, #2563eb) !important;
}

.case-nav-dropdown-trigger[aria-expanded="true"] .dropdown-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

/* ─────────────────────────────────────────────────────────────────────────────
   DROPDOWN PANEL - Command Palette Style
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-dropdown {
    position: fixed;
    top: 20%;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    width: 90%;
    max-width: 640px;
    max-height: 70vh;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16),
                0 4px 16px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease,
                transform 0.25s ease,
                visibility 0ms linear 250ms;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #1f2937;
}

.case-nav-dropdown[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    transition: opacity 0.25s ease,
                transform 0.25s ease,
                visibility 0ms linear 0ms;
}

/* ─────────────────────────────────────────────────────────────────────────────
   DROPDOWN HEADER
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-dropdown__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 2px solid #e5e7eb;
    flex-shrink: 0;
    background: linear-gradient(to bottom, #ffffff, #f9fafb);
}

.case-nav-dropdown__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #111827;
}

.case-nav-dropdown__title i {
    width: 20px;
    height: 20px;
    color: var(--org-primary, #2563eb);
}

.case-nav-dropdown__close {
    display: none;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.15s ease;
}

.case-nav-dropdown__close:hover {
    background: #f3f4f6;
    color: #111827;
}

.case-nav-dropdown__close i {
    width: 20px;
    height: 20px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   SEARCH SECTION
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-dropdown__search {
    padding: 16px;
    border-bottom: 1px solid #f3f4f6;
    flex-shrink: 0;
}

.case-nav-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-nav-search-wrapper .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: #9ca3af;
    pointer-events: none;
}

/* Override ace.css with higher specificity */
.case-nav-dropdown input[type="text"].case-nav-search-input,
.case-nav-dropdown input.case-nav-search-input,
input#caseNavSearchInput.case-nav-search-input {
    width: 100% !important;
    height: 48px !important;
    padding: 0 40px 0 40px !important;
    font-size: 15px !important;
    color: #111827 !important;
    background-color: #f9fafb !important;
    border: 2px solid #e5e7eb !important;
    border-radius: 10px !important;
    transition: all 0.2s ease !important;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

.case-nav-dropdown input[type="text"].case-nav-search-input:hover,
.case-nav-dropdown input.case-nav-search-input:hover,
input#caseNavSearchInput.case-nav-search-input:hover {
    border-color: #d1d5db !important;
    background-color: #ffffff !important;
}

.case-nav-dropdown input[type="text"].case-nav-search-input:focus,
.case-nav-dropdown input.case-nav-search-input:focus,
input#caseNavSearchInput.case-nav-search-input:focus {
    outline: none !important;
    border-color: #2563eb !important;
    background-color: #ffffff !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
    -webkit-box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}

.case-nav-dropdown input.case-nav-search-input::placeholder,
input#caseNavSearchInput.case-nav-search-input::placeholder {
    color: #9ca3af !important;
}

.case-nav-search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: #9ca3af;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: all 0.15s ease;
}

.case-nav-search-wrapper:hover .case-nav-search-clear,
.case-nav-search-input:focus ~ .case-nav-search-clear {
    opacity: 1;
    pointer-events: auto;
}

.case-nav-search-clear:hover {
    background: #e5e7eb;
    color: #374151;
}

.case-nav-search-clear i {
    width: 16px;
    height: 16px;
}

/* Search Results - Compact Pill Layout */
.case-nav-search-results {
    margin-top: 12px;
    max-height: 280px;
    overflow-y: auto;
    overflow-x: hidden;
    display: none;
}

.case-nav-search-results.has-results,
.case-nav-search-results.is-loading,
.case-nav-search-results.has-error {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: flex-start;
}

.case-nav-search-results.is-loading,
.case-nav-search-results.has-error {
    display: block; /* Loading and error states are full width */
}

.case-nav-search-results::-webkit-scrollbar {
    width: 8px;
}

.case-nav-search-results::-webkit-scrollbar-track {
    background: #fafbfc;
    border-radius: 4px;
}

.case-nav-search-results::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

.case-nav-search-results::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* Search Result Item - Compact Pill Style */
.case-nav-dropdown .case-nav-search-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    text-decoration: none !important;
    color: inherit !important;
    border: 1px solid #e5e7eb !important;
    border-radius: 6px;
    transition: all 0.2s ease;
    background: #ffffff;
    max-width: 100%;
}

.case-nav-dropdown .case-nav-search-item:hover {
    background: #eff6ff;
    border-color: #2563eb !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.12);
    color: inherit !important;
}

.case-nav-dropdown .case-nav-search-item:focus {
    outline: 2px solid var(--org-primary, #2563eb);
    outline-offset: 2px;
}

/* Case elements are direct children - inline layout */
.case-nav-case-number {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: #1d4ed8 !important;
    white-space: nowrap;
    flex-shrink: 0;
    font-family: 'SFMono-Regular', 'Consolas', 'Liberation Mono', 'Menlo', monospace;
    letter-spacing: -0.01em;
}

.case-nav-case-title {
    display: inline-block;
    font-size: 11px;
    color: #6b7280 !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.case-nav-case-type {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 500;
    color: #4b5563 !important;
    background: #e5e7eb;
    border-radius: 4px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Search Loading State */
.case-nav-search-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 24px 16px;
    color: #6b7280;
    font-size: 13px;
}

.case-nav-search-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #e5e7eb;
    border-top-color: var(--org-primary, #2563eb);
    border-radius: 50%;
    animation: case-nav-spin 0.8s linear infinite;
}

@keyframes case-nav-spin {
    to { transform: rotate(360deg); }
}

.case-nav-search-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    font-size: 10px;
    font-weight: 600;
    color: #059669;
    background: #d1fae5;
    border-radius: 6px;
    flex-basis: 100%; /* Full width in flex container */
    width: 100%;
}

.case-nav-search-hint i {
    width: 12px;
    height: 12px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   DROPDOWN CONTENT (SCROLLABLE)
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-dropdown__content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.case-nav-dropdown__content::-webkit-scrollbar {
    width: 8px;
}

.case-nav-dropdown__content::-webkit-scrollbar-track {
    background: #fafbfc;
}

.case-nav-dropdown__content::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

.case-nav-dropdown__content::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* ─────────────────────────────────────────────────────────────────────────────
   SECTION CONTAINERS
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-section {
    padding: 16px 20px;
    border-bottom: 1px solid #e5e7eb;
    box-sizing: border-box;
    overflow-x: hidden;
}

.case-nav-section:last-child {
    border-bottom: none;
    padding-bottom: 20px;
}

.case-nav-section * {
    box-sizing: border-box;
}

.case-nav-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.case-nav-section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.case-nav-section-title i {
    width: 16px;
    height: 16px;
    color: var(--org-primary, #2563eb);
}

.case-nav-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 4px;
    font-size: 10px;
    font-weight: 600;
    color: var(--org-primary, #2563eb);
    background: var(--org-primary-light, rgba(37, 99, 235, 0.1));
    border-radius: 100px;
}

.case-nav-clear-btn {
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    color: #6b7280;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.case-nav-clear-btn:hover {
    color: #dc2626;
    background: #fef2f2;
}

/* ─────────────────────────────────────────────────────────────────────────────
   CASE ITEMS (FAVORITES & RECENT) - Compact Pill Layout
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: flex-start;
}

/* Favorites & Recent Items - Compact Pill Style */
.case-nav-dropdown .case-nav-favorite-item,
.case-nav-dropdown .case-nav-recent-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    padding-right: 30px; /* Space for remove button on favorites */
    text-decoration: none !important;
    color: #1f2937 !important;
    border: 1px solid #e5e7eb !important;
    border-left: 3px solid #2563eb !important;
    border-radius: 6px;
    background: #fafbfc;
    transition: all 0.15s ease;
    position: relative;
    max-width: 100%;
}

.case-nav-dropdown .case-nav-recent-item {
    padding-right: 12px; /* No remove button on recent items */
    border-left-color: #9ca3af !important;
}

.case-nav-dropdown .case-nav-favorite-item:hover,
.case-nav-dropdown .case-nav-recent-item:hover {
    background: #eff6ff;
    border-color: #2563eb !important;
    border-left-color: #2563eb !important;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
    color: #1f2937 !important;
}

.case-nav-dropdown .case-nav-favorite-item:focus,
.case-nav-dropdown .case-nav-recent-item:focus {
    outline: 2px solid var(--org-primary, #2563eb);
    outline-offset: 2px;
}

/* Status Badge - Compact */
.case-nav-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 5px;
    font-size: 9px;
    font-weight: 500;
    border-radius: 3px;
    white-space: nowrap;
}

.case-nav-status-badge.status-active {
    color: #059669 !important;
    background: #d1fae5;
}

.case-nav-status-badge.status-closed {
    color: #6b7280 !important;
    background: #f3f4f6;
}

.case-nav-status-badge.status-submitted {
    color: #2563eb !important;
    background: #dbeafe;
}

/* Timestamp - Compact */
.case-nav-timestamp {
    font-size: 9px;
    color: #9ca3af !important;
    white-space: nowrap;
}

/* Remove Favorite Button */
.case-nav-remove-favorite {
    position: absolute;
    top: 50%;
    right: 4px;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 3px;
    color: #9ca3af;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
}

.case-nav-favorite-item:hover .case-nav-remove-favorite {
    opacity: 1;
}

.case-nav-remove-favorite:hover {
    background: #fee2e2;
    color: #dc2626;
}

.case-nav-remove-favorite i {
    width: 10px;
    height: 10px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   EMPTY STATES
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
    text-align: center;
    color: #9ca3af;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px dashed #e5e7eb;
}

.case-nav-empty-state i {
    width: 28px;
    height: 28px;
    margin-bottom: 8px;
    color: #d1d5db;
}

.case-nav-empty-state span {
    font-size: 13px;
    font-weight: 500;
}

/* ─────────────────────────────────────────────────────────────────────────────
   QUICK FILTERS
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-nav-dropdown .case-nav-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    color: #374151 !important;
    text-decoration: none !important;
    background: #f3f4f6;
    border: 1px solid #e5e7eb !important;
    border-radius: 20px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.case-nav-dropdown .case-nav-filter-chip:hover {
    color: #2563eb !important;
    background: #eff6ff;
    border-color: #2563eb !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.case-nav-dropdown .case-nav-filter-chip:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.case-nav-filter-chip i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   DIVIDER
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-divider {
    height: 1px;
    background: #f3f4f6;
    margin: 8px 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   TOAST NOTIFICATIONS
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    min-width: 300px;
    padding: 16px;
    background: #111827;
    color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10001;
    animation: case-nav-toast-in 0.3s ease-out;
}

.case-nav-toast.is-leaving {
    animation: case-nav-toast-out 0.2s ease-in forwards;
}

@keyframes case-nav-toast-in {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes case-nav-toast-out {
    to {
        transform: translateY(20px);
        opacity: 0;
    }
}

.case-nav-toast.toast-warning {
    background: #f59e0b;
    color: #000;
}

.case-nav-toast.toast-success {
    background: #10b981;
}

.case-nav-toast i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   MOBILE RESPONSIVE (<768px)
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
    .case-nav-dropdown {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        max-height: 90vh;
        border-radius: 20px 20px 0 0;
        transform: translateX(0) translateY(100%);
    }

    .case-nav-dropdown[aria-hidden="false"] {
        transform: translateX(0) translateY(0);
    }

    .case-nav-dropdown__close {
        display: flex;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   OVERLAY - Command Palette Style Backdrop
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0ms linear 250ms;
}

.case-nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.25s ease, visibility 0ms linear 0ms;
}

/* ─────────────────────────────────────────────────────────────────────────────
   TOOLTIPS (Floating UI)
   ───────────────────────────────────────────────────────────────────────────── */
.case-nav-tooltip {
    position: absolute;
    z-index: 10001;
    max-width: 280px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: #ffffff;
    font-size: 13px;
    line-height: 1.5;
    font-weight: 400;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3),
                0 4px 12px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    pointer-events: none;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    text-align: left;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.case-nav-tooltip.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.case-nav-tooltip::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #111827;
}