/* Full-height left sidebar */
:root {
    --hint-header-height: 72px;
    --hint-footer-height: 96px;

    --hint-storage-gap: 14px;
    --hint-storage-width: 340px;
    --hint-storage-radius: 5px;
    --hint-storage-shadow: 0 18px 55px rgba(15, 23, 42, 0.22);
}

.hint-storage {
    position: fixed;
    top: calc(var(--hint-header-height) + var(--hint-storage-gap));
    left: var(--hint-storage-gap);
    bottom: calc(var(--hint-footer-height) + var(--hint-storage-gap));
    width: var(--hint-storage-width);
    z-index: 160;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--hint-storage-radius);
    background: var(--card);
    box-shadow: var(--hint-storage-shadow);
    transition: transform 0.2s ease, opacity 0.2s ease;
    overflow: hidden;
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.hint-storage-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.32);
    backdrop-filter: blur(2px);
    z-index: 150;
}

.hint-storage-mobile-toggle {
    display: none;
}

.optimizer-page .header-title {
    flex-direction: row;
    gap: 10px;
    align-items: center;
}

.hint-storage-header-toggle {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 5px;
    border: none;
    background: transparent;
    color: var(--fg);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.76;
    transition: opacity 0.18s ease;
}

.hint-storage-header-toggle:hover {
    opacity: 1;
}

.hint-storage-header-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.22);
}

@media (max-width: 1024px) {
    /* Tablet/mobile: disable the storage sidebar entirely to avoid layout issues. */
    /* Use !important because desktop rules appear later in the file and would otherwise override these on mobile. */
    body.optimizer-page--with-storage .hint-container {
        padding-left: max(clamp(10px, 2.5vw, 20px), env(safe-area-inset-left)) !important;
        padding-right: max(clamp(10px, 2.5vw, 20px), env(safe-area-inset-right)) !important;
    }

    body.optimizer-page--with-storage .header {
        margin-left: 0 !important;
        width: 100% !important;
    }

    body.optimizer-page--with-storage .hint-footer {
        padding-left: max(16px, env(safe-area-inset-left)) !important;
        padding-right: max(16px, env(safe-area-inset-right)) !important;
    }

    .hint-storage,
    .hint-storage-backdrop,
    .hint-storage-mobile-toggle {
        display: none !important;
    }

    .hint-storage-header-toggle {
        display: none !important;
    }
}

.hint-storage-toggle {
    width: 100%;
    height: 56px;
    border: none;
    border-bottom: 1px solid var(--line);
    background: transparent;
    color: var(--fg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    padding: 0 12px;
}

.hint-storage[data-collapsed="true"] .hint-storage-toggle {
    border-bottom: none;
}

.hint-storage[data-collapsed="true"] .hint-storage-toggle__icon {
    opacity: 0.72;
}

.hint-storage[data-collapsed="true"]:hover .hint-storage-toggle__icon {
    opacity: 1;
}

.hint-storage-toggle__icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hint-storage-toggle__label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.hint-storage-panel {
    flex: 1;
    overflow: auto;
    overflow-x: hidden;
    background: transparent;
    color: var(--fg);
    padding: 12px;
}

.hint-storage-folders {
    display: grid;
    gap: 2px;
}

.hint-storage-folder {
    border: none;
    border-radius: 10px;
    padding: 0;
    margin: 0;
    background: transparent;
}

.hint-storage-folder__summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 10px;
}

.hint-storage-folder__summary:hover {
    background: rgba(0, 0, 0, 0.04);
}

.hint-storage-folder__chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    transition: transform 0.12s ease;
    color: var(--muted);
}

.hint-storage-folder[open] .hint-storage-folder__chevron {
    transform: rotate(90deg);
}

.hint-storage-folder__name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    font-size: 13px;
}

.hint-storage-menu-trigger {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hint-storage-menu-trigger:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--fg);
}

.hint-storage-folder__content {
    padding: 2px 0 4px 26px;
}

.hint-storage-scenarios {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 2px;
}

.hint-storage-scenario {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 10px;
}

.hint-storage-scenario:hover {
    background: rgba(0, 0, 0, 0.04);
}

.hint-storage-scenario__link {
    flex: 1;
    min-width: 0;
    color: var(--fg);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    word-break: break-word;
}

.hint-storage-scenario__link:hover {
    text-decoration: underline;
}

.hint-storage-scenario--empty {
    color: var(--muted);
    font-size: 12px;
}

.hint-storage-menu {
    position: fixed;
    z-index: 2000;
    min-width: 180px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.15);
    padding: 6px;
}

.hint-storage-menu-item {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    color: var(--fg);
    font-weight: 600;
    font-size: 13px;
}

.hint-storage-menu-item:hover {
    background: rgba(0, 0, 0, 0.06);
}

.hint-storage-menu-item--danger {
    color: rgba(220, 38, 38, 0.95);
}

.hint-storage[data-collapsed="true"] .hint-storage-folder__chevron,
.hint-storage[data-collapsed="true"] .hint-storage-menu-trigger,
.hint-storage[data-collapsed="true"] .hint-storage-folder__content,
.hint-storage[data-collapsed="true"] .hint-storage-scenario {
    display: none !important;
}

.hint-storage[data-collapsed="true"] {
    transform: translateX(calc(-100% - var(--hint-storage-gap)));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.hint-storage[data-collapsed="true"] .hint-storage-panel {
    display: none !important;
}

/* Notion-like collapsed mode: keep a compact navigation visible */
.hint-storage[data-collapsed="true"] .hint-storage-panel__header,
.hint-storage[data-collapsed="true"] .hint-storage-folder__actions,
.hint-storage[data-collapsed="true"] .hint-storage-list,
.hint-storage[data-collapsed="true"] .hint-storage-folder__count,
.hint-storage[data-collapsed="true"] .hint-storage-item__details,
.hint-storage[data-collapsed="true"] .hint-storage-empty {
    display: none !important;
}

/* Collapsed: keep only the + button visible for folder creation */
.hint-storage[data-collapsed="true"] .hint-storage-label--create,
.hint-storage[data-collapsed="true"] .hint-storage-input--create {
    display: none !important;
}

.hint-storage[data-collapsed="true"] .hint-storage-section--create {
    padding-top: 8px;
}

.hint-storage[data-collapsed="true"] .hint-storage-row {
    grid-template-columns: 1fr;
    justify-items: center;
}

.hint-storage-btn--icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.hint-storage-add-btn {
    margin: 0 auto;
}

.hint-storage-add-icon {
    display: block;
    width: 20px;
    height: 20px;
}

/* Dark mode: ensure the add-folder icon is readable */
.theme-dark .hint-storage-add-icon {
    filter: brightness(0) invert(1) drop-shadow(0 0 0.6px rgba(255, 255, 255, 0.55));
    opacity: 0.95;
}

/* Hide the default disclosure marker to keep the UI clean (Notion-like) */
.hint-storage-folder__summary::-webkit-details-marker {
    display: none;
}

.hint-storage-folder__summary::marker {
    content: "";
}

.hint-storage[data-collapsed="true"] .hint-storage-folder {
    margin-bottom: 8px;
    padding: 0;
    border: none;
    background: transparent;
}

.hint-storage[data-collapsed="true"] .hint-storage-folder__summary {
    justify-content: center;
    padding: 6px 0;
}

.hint-storage-folder__initial {
    width: 28px;
    height: 28px;
    border-radius: 9px;
    border: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 11px;
    background: rgba(0, 0, 0, 0.03);
}

.hint-storage[data-collapsed="true"] .hint-storage-folder__name {
    display: none;
}

.hint-storage[data-collapsed="true"] .hint-storage-toggle__label {
    display: none;
}

.hint-storage[data-collapsed="true"] .hint-storage-toggle {
    justify-content: center;
    padding: 0;
}

body.optimizer-page--with-storage .hint-container {
    padding-left: calc(
        var(--hint-storage-gap, 14px) +
        var(--hint-optimizer-forms-width, 340px) +
        var(--hint-optimizer-panel-gap, 18px)
    );
    padding-right: 20px;
}

/*
Ensure the storage overlay (backdrop + floating panel) can cover the footer.

On the Optimizer page, both `.hint-container` and `.hint-footer` use `z-index` which
creates separate stacking contexts. If the footer has an equal/higher stacking order,
it can paint above the overlay when the page has little content (footer "moves up").
*/
.optimizer-page--with-storage .hint-container {
    position: relative;
    z-index: 30;
}

.optimizer-page--with-storage .header {
    margin-left: 0;
    width: 100%;
}

body.optimizer-page--with-storage .hint-footer {
    padding-left: calc(
        var(--hint-storage-gap, 14px) +
        var(--hint-optimizer-forms-width, 340px) +
        var(--hint-optimizer-panel-gap, 18px)
    );
    padding-right: 16px;
}

.optimizer-page--with-storage .hint-footer {
    position: relative;
    z-index: 10;
}

body.hint-storage-open .hint-storage-backdrop {
    display: block;
}

body.hint-storage-open .header {
    z-index: 155;
}

.hint-storage-panel__header {
    display: grid;
    gap: 6px;
    padding-bottom: 0;
    border-bottom: none;
}

.hint-storage-title {
    font-weight: 700;
    font-size: 14px;
}

.hint-storage-quota {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.3;
}

.hint-storage-section {
    padding-top: 12px;
}

.hint-storage-form {
    display: grid;
    gap: 8px;
}

.hint-storage-label {
    font-size: 12px;
    color: var(--muted);
}

.hint-storage-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
}

.hint-storage-save-trigger {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: var(--fg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-top: 10px;
}

.hint-storage-save-trigger__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hint-storage-save-trigger__label {
    display: none;
}

/* Bottom-right action bar containing save + report-issue buttons. */
.hint-bottom-actions {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 170;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.hint-storage-save-trigger--float {
    width: auto;
    height: auto;
    margin-top: 0;
    padding: 10px 16px;
    border-radius: 10px;
    background: #0089ba;
    border-color: rgba(0, 137, 186, 0.55);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
    gap: 8px;
    justify-content: flex-start;
    opacity: 0.3;
    transition: opacity 0.2s ease, box-shadow 0.2s ease;
}

.hint-storage-save-trigger--float:hover,
.hint-storage-save-trigger--float:focus-visible {
    opacity: 1;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.22);
    outline: none;
}

.hint-storage-save-trigger--float:focus-visible {
    box-shadow: 0 0 0 3px rgba(0, 137, 186, 0.4), 0 8px 24px rgba(15, 23, 42, 0.22);
}

.hint-storage-save-trigger--float .hint-storage-save-trigger__label {
    display: inline;
    white-space: nowrap;
    font-weight: 600;
    font-size: 14px;
}

.theme-dark .hint-storage-save-trigger--float {
    background: rgba(0, 137, 186, 0.72);
    border-color: rgba(0, 137, 186, 0.85);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.hint-storage-save-trigger--report {
    padding: 10px 16px;
    border-radius: 10px;
    background-color: #FFF3E0;
    color: #E65100;
    border: 1px solid rgba(230, 81, 0, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    opacity: 0.3;
    transition: opacity 0.2s ease;
    width: auto;
    height: auto;
    margin-top: 0;
}

.hint-storage-save-trigger--report .hint-storage-save-trigger__label {
    display: inline;
    white-space: nowrap;
}

.hint-storage-save-trigger--pdf {
    padding: 10px 16px;
    border-radius: 10px;
    background-color: #EDE9FE;
    color: #5b21b6;
    border: 1px solid rgba(91, 33, 182, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    opacity: 0.3;
    transition: opacity 0.2s ease;
    width: auto;
    height: auto;
    margin-top: 0;
}

.hint-storage-save-trigger--pdf .hint-storage-save-trigger__label {
    display: inline;
    white-space: nowrap;
}

.hint-storage-save-trigger--pdf:hover,
.hint-storage-save-trigger--pdf:focus-visible {
    opacity: 1;
    outline: none;
}

.theme-dark .hint-storage-save-trigger--pdf {
    background-color: rgba(91, 33, 182, 0.15);
    color: #c4b5fd;
    border-color: rgba(196, 181, 253, 0.3);
}

.hint-storage-save-trigger--report:hover,
.hint-storage-save-trigger--report:focus-visible {
    opacity: 1;
    outline: none;
}

.theme-dark .hint-storage-save-trigger--report {
    background-color: rgba(230, 81, 0, 0.15);
    color: #ffb74d;
    border-color: rgba(255, 183, 77, 0.35);
}

/* Storage save modal (reuses existing modal styles from the project) */
.hint-storage-save-modal .modal-content {
    max-width: 520px;
}

.hint-storage-save-modal .modal-body {
    display: grid;
    gap: 12px;
}

.hint-storage-save-modal .modal-field label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 13px;
}

.hint-storage-save-modal .modal-field input,
.hint-storage-save-modal .modal-field select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--bg);
    color: var(--fg);
}

.hint-storage-input {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: var(--fg);
}

.hint-storage-btn {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: var(--fg);
    cursor: pointer;
    white-space: nowrap;
    font-weight: 600;
    font-size: 12px;
}

/* Make the add-folder icon purely clickable without a button background/border.
   Use a higher specificity selector to override any global button styles. */
button.hint-storage-btn.hint-storage-add-btn {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
}

button.hint-storage-btn.hint-storage-add-btn:hover {
    background: rgba(0, 0, 0, 0.04) !important;
}

.hint-storage-btn--danger {
    border-color: rgba(220, 38, 38, 0.6);
    color: rgba(220, 38, 38, 0.95);
}

.hint-storage-folder {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 10px;
    background: rgba(0, 0, 0, 0.02);
}

.hint-storage-folder__summary {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
}

.hint-storage-folder__name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 240px;
}

.hint-storage-folder__count {
    color: var(--muted);
    font-weight: 600;
    font-size: 12px;
}

.hint-storage-folder__actions {
    margin-top: 10px;
    display: grid;
    gap: 10px;
}

.hint-storage-list {
    margin-top: 10px;
    padding-left: 18px;
    display: grid;
    gap: 10px;
}

.hint-storage-item {
    display: grid;
    gap: 6px;
}

.hint-storage-item--empty {
    color: var(--muted);
    font-size: 12px;
}

.hint-storage-link {
    color: var(--fg);
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
}

.hint-storage-link:hover {
    text-decoration: underline;
}

.hint-storage-item__details {
    border: 1px dashed var(--line);
    border-radius: 10px;
    padding: 8px;
}

.hint-storage-item__summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
}

.hint-storage-item__actions {
    margin-top: 10px;
    display: grid;
    gap: 10px;
}

.hint-storage-empty {
    color: var(--muted);
    font-size: 12px;
}

.hint-storage-save {
    margin-top: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: var(--bg);
}

.hint-storage-save__form {
    display: grid;
    gap: 10px;
}

.hint-storage-save__label {
    font-size: 12px;
    color: var(--muted);
    font-weight: 600;
}

.hint-storage-save__input,
.hint-storage-save__select {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: var(--fg);
}

.hint-storage-save__btn {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--fg);
    color: var(--bg);
    cursor: pointer;
    font-weight: 700;
}

@media (min-width: 1800px) {
    .hint-storage {
        left: calc((100vw - 1600px) / 2 + var(--hint-storage-gap, 14px));
    }
}