/* =============================================
   Diagnosis Entry — ICD-10 typeahead & badges
   Classes map 1-to-1 with _DiagnosisEntry.cshtml
   =============================================

   Markup structure emitted by the partial:
   .dx-panel
     .dx-panel-header  > i + span + .dx-panel-count
     p.dx-panel-hint
     .dx-search-zone
       .dx-input-wrap  > .dx-search-icon + input.dx-search-input
                         #diagnosisSuggestions.dx-suggestions
                           .dx-suggestion-hint
                           .dx-suggestion-item*
                             .dx-sug-left > .dx-sug-code + .dx-sug-desc
                             .dx-sug-add
     .dx-selected-zone
       .dx-selected-header  > i + span
       #selectedDiagnosesList.dx-selected-list
         .dx-badge-list  (JS-rendered)
           .dx-badge*
             .dx-badge-body > .dx-code-chip + .dx-desc
             button.dx-remove-btn
         .dx-empty-state  (shown when empty)
   ============================================= */

/* ---- Panel shell -------------------------------- */
.dx-panel {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* ---- Panel header bar -------------------------- */
.dx-panel-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dx-panel-header i {
    font-size: 1rem;
}

/* Count badge — grey until items present, then blue */
.dx-panel-count {
    margin-left: auto;
    background: var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    min-width: 1.4rem;
    height: 1.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.4rem;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.dx-panel--has-items .dx-panel-count {
    background: var(--color-accent-soft);
    color: var(--color-accent-strong);
    border: 1px solid #bfdbfe;
}

/* ---- Search zone ------------------------------- */
.dx-search-zone {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-surface);
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.dx-search-hint {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.dx-input-wrap {
    position: relative;
}

.dx-search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 1rem;
    pointer-events: none;
    z-index: 1;
}

/* Overrides Bootstrap .form-control */
.dx-search-input {
    padding: 0.75rem 1rem 0.75rem 2.625rem !important;
    border: 1.5px solid var(--color-border) !important;
    border-radius: var(--radius-sm) !important;
    font-size: 0.9375rem;
    background: var(--color-bg-subtle);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    width: 100%;
    box-shadow: none !important;
}

.dx-search-input::placeholder {
    color: var(--color-text-muted);
}

.dx-search-input:focus {
    outline: none;
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px var(--color-accent-soft) !important;
    background: var(--color-bg-surface) !important;
}

/* ---- Suggestion dropdown --------------------- */
.dx-suggestions {
    position: fixed;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    max-height: 300px;
    min-height: 300px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    width: 100%;
    left: 0;
}

/* Hint row inside dropdown */
.dx-suggestion-hint {
    padding: 0.375rem 1rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-text-muted);
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* Individual suggestion row */
.dx-suggestion-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--color-bg-subtle);
    transition: background 0.1s;
}

.dx-suggestion-item:last-child {
    border-bottom: none;
}

.dx-suggestion-item:hover,
.dx-suggestion-item.is-active {
    background: var(--color-accent-soft);
}

.dx-no-results {
    cursor: default;
    color: var(--color-text-muted);
    font-style: italic;
    justify-content: center;
    padding: 1rem;
}

.dx-sug-left {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.dx-sug-code {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
}

.dx-sug-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Highlighted match text */
.dx-match {
    background: #fef08a;
    color: #713f12;
    border-radius: 2px;
    padding: 0 1px;
    font-style: normal;
}

.dx-sug-add {
    color: var(--color-accent);
    font-size: 1rem;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.12s;
}

.dx-suggestion-item:hover .dx-sug-add,
.dx-suggestion-item.is-active .dx-sug-add {
    opacity: 1;
}

/* ---- Selected diagnoses zone ----------------- */
.dx-selected-zone {
    padding: 0;
    display: flex;
    flex-direction: column;
}

/* Sub-header inside selected zone */
.dx-selected-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: linear-gradient(to right, #eff6ff, var(--color-bg-subtle));
    border-bottom: 1px solid #bfdbfe;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-accent-strong);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dx-selected-list {
    padding: 0.625rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Empty state */
.dx-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem 1rem;
    color: var(--color-text-muted);
    text-align: center;
}

.dx-empty-icon {
    font-size: 2rem;
    color: var(--color-border);
}

.dx-empty-state p {
    margin: 0;
    font-size: 0.875rem;
    font-style: italic;
}

/* Badge list */
.dx-badge-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

/* Individual badge row */
.dx-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-bg-surface);
    border: 1px solid #bfdbfe;
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.625rem 0.5rem 0.75rem;
    transition: box-shadow 0.15s;
    animation: dx-in 0.18s ease-out;
}

.dx-badge:hover {
    box-shadow: var(--shadow-sm);
}

@keyframes dx-in {
    from { opacity: 0; transform: translateX(-6px); }
    to   { opacity: 1; transform: translateX(0); }
}

.dx-badge-body {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex: 1;
    min-width: 0;
}

/* Code pill — e.g. "J45.20" */
.dx-code-chip {
    display: inline-block;
    background: var(--color-accent-soft);
    color: var(--color-accent-strong);
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 0.1rem 0.625rem;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

/* Description text next to code chip */
.dx-desc {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.4;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Remove button */
.dx-remove-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.625rem;
    height: 1.625rem;
    padding: 0;
}

.dx-remove-btn:hover {
    color: var(--color-error);
    background: #fef2f2;
}

/* ---- Responsive -------------------------------- */
@media (max-width: 480px) {
    .dx-desc {
        white-space: normal;
    }

    .dx-sug-desc {
        white-space: normal;
    }