/* reader.css */

.add-source-form {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color, #343a40);
}
.add-source-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary, #9aa4b2);
}
.add-source-row { display: flex; gap: 6px; }
.add-source-row input {
    min-width: 0;
    flex: 1;
    padding: 7px 8px;
    border: 1px solid var(--border-color, #3a424d);
    border-radius: 5px;
    background: var(--bg-search-bar, var(--bg-card));
    color: inherit;
}
.add-source-row button,
.source-candidate {
    border: 0;
    border-radius: 5px;
    background: #2f80ed;
    color: white;
    cursor: pointer;
}
.add-source-row button { width: 34px; }
.add-source-status {
    min-height: 16px;
    margin: 6px 0 0;
    font-size: 11px;
    line-height: 1.35;
}
.add-source-status[data-kind="error"] { color: #ff7f7f; }
.add-source-status[data-kind="success"] { color: #65d68a; }
.source-candidate {
    width: 100%;
    margin-top: 5px;
    padding: 6px;
    overflow: hidden;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.web-account-controls {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: 0.25rem;
}

.web-account-btn {
    min-height: 34px;
    padding: 0 0.75rem;
    border: 1px solid var(--border-color, rgba(128, 128, 128, 0.3));
    border-radius: 7px;
    background: var(--bg-card, rgba(255, 255, 255, 0.08));
    color: var(--text-primary, inherit);
    cursor: pointer;
    white-space: nowrap;
}

.web-account-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.release-status {
    color: var(--text-meta, #8b95a5);
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.inline-retry-button {
    margin-left: 6px;
    border: 0;
    background: transparent;
    color: var(--accent-color);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

/* === PREVIOUS COLOR SCHEME (Restored & Adjusted for Dark Mode Hierarchy) === */
:root {
    --font-family-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-family-reader: Charter, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
    --font-size-base: 1rem; /* Questo sarà 1rem relativo al font-size di html */
    --line-height-base: 1.6;
    --border-radius-base: 0.85rem;
    --border-radius-search: 8px;
    --border-radius-container: 8px;

    --header-height: 60px;
    --search-bar-height: 40px;

    --hamburger-opened-width: 260px;
    --closed-navigation-rail-width: 64px;
    --hamburger-transition-duration: 0.14s;

    --main-column-default-basis: 35%;
    --resizer-width: 5px;

    --transition-interactive: color 0.12s ease, background-color 0.12s ease,
                              border-color 0.12s ease, box-shadow 0.12s ease,
                              opacity 0.12s ease;
    --accent-color: hsl(217, 89%, 50%);
    --bg-body-fallback: #fff;
}

/* === DARK THEME === */
:root[data-theme="dark"] {
    --bg-body-fallback: hsl(210, 8%, 10%);
    --text-color: hsl(210, 10%, 88%);
    --text-color-muted: hsl(210, 8%, 65%);
    --bg-menu-bars-reader-hue: 200;
    --bg-menu-bars-reader-sat: 6%;
    --bg-sidebar: hsl(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 10%);
    --bg-main-content-base: hsl(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 14%);
    --bg-card-area: var(--bg-main-content-base);
    --bg-card: hsl(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 18%);
    --bg-reader-pane-base: var(--bg-card-area); /* Allineato con main-content-base/card-area */
    --bg-reader-content: hsl(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 20%);
    --bg-reader-toolbar: hsl(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 16%);
    --bg-header-main: var(--bg-sidebar);
    --bg-quick-nav-header: var(--bg-card-area);
    --border-color-strong: hsl(210, 6%, 25%);
    --border-color-subtle: hsl(210, 6%, 22%);
    --text-title: var(--text-color);
    --text-excerpt: var(--text-color-muted);
    --text-meta: var(--text-color-muted);
    --text-body: var(--text-color);
    --link-color: var(--accent-color);
    --icon-color: var(--text-color-muted);
    --icon-color-hover: var(--text-color);
    --divider-color: var(--border-color-strong);
    --text-placeholder: var(--text-color-muted);
    --active-filter-bg: hsla(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 25%, 0.5);
    --active-filter-text: var(--accent-color);
    --shadow-card: 0 4px 10px rgba(0,0,0,0.35);
    --shadow-sidebar-header-block: 0 4px 10px rgba(0,0,0,0.3);
    --shadow-resizer-indicator: -2px 0 5px rgba(0,0,0,0.2), 2px 0 5px rgba(0,0,0,0.2);
    --bg-search-bar: hsl(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 13%);
    --border-search-bar: var(--border-color-strong);
    --border-search-bar-focus: var(--accent-color);
    --bg-appearance-dropdown: hsl(var(--bg-menu-bars-reader-hue), var(--bg-menu-bars-reader-sat), 22%);
}

/* === LIGHT THEME === */
:root[data-theme="light"] {
    --bg-body-fallback: hsl(210, 25%, 98%);
    --text-color: hsl(210, 12%, 20%);
    --text-color-muted: hsl(210, 10%, 45%);
    --bg-special-area-hue: 210;
    --bg-special-area-sat: 12%;
    --bg-sidebar: hsl(var(--bg-special-area-hue), var(--bg-special-area-sat), 94%);
    --bg-main-content-base: hsl(var(--bg-special-area-hue), var(--bg-special-area-sat), 98%);
    --bg-card-area: var(--bg-main-content-base);
    --bg-card: hsl(0, 0%, 100%);
    --bg-reader-pane-base: var(--bg-card-area); /* Allineato con main-content-base/card-area */
    --bg-reader-content: hsl(0, 0%, 100%);
    --bg-reader-toolbar: hsl(var(--bg-special-area-hue), var(--bg-special-area-sat), 96%);
    --bg-header-main: var(--bg-sidebar);
    --bg-quick-nav-header: var(--bg-card-area);
    --border-color-strong: hsl(210, 10%, 78%);
    --border-color-subtle: hsl(210, 10%, 88%);
    --text-title: var(--text-color);
    --text-excerpt: var(--text-color-muted);
    --text-meta: var(--text-color-muted);
    --text-body: var(--text-color);
    --link-color: var(--accent-color);
    --icon-color: var(--text-color-muted);
    --icon-color-hover: var(--text-color);
    --divider-color: var(--border-color-strong);
    --text-placeholder: var(--text-color-muted);
    --active-filter-bg: hsla(var(--bg-special-area-hue), var(--bg-special-area-sat), 75%, 0.5);
    --active-filter-text: var(--accent-color);
    --shadow-card: 0 4px 10px hsla(217, 25%, 50%, 0.12);
    --shadow-sidebar-header-block: 0 4px 12px hsla(217, 25%, 50%, 0.12);
    --shadow-resizer-indicator: -2px 0 5px rgba(0,0,0,0.08), 2px 0 5px rgba(0,0,0,0.08);
    --bg-search-bar: hsl(var(--bg-special-area-hue), var(--bg-special-area-sat), 94%);
    --border-search-bar: var(--border-color-strong);
    --border-search-bar-focus: var(--accent-color);
    --bg-appearance-dropdown: hsl(var(--bg-special-area-hue), var(--bg-special-area-sat), 97%);
}


/* === RESET BASE E STILI GLOBALI === */
* { margin: 0; padding: 0; box-sizing: border-box; }
html {
    font-size: 90%;
}
body {
    font-family: var(--font-family-sans);
    color: var(--text-color);
    background-color: var(--bg-body-fallback);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    transition: background-color 0.2s, color 0.2s;
    overflow: hidden;
}

body.is-resizing,
body.is-resizing * {
    cursor: col-resize !important;
    user-select: none !important;
    -webkit-user-select: none !important;
}
body.is-resizing #reading-pane,
body.is-resizing #articleContent,
body.is-resizing iframe {
    pointer-events: none !important;
}
body.is-resizing #main-column,
body.is-resizing #reading-pane {
    transition: none !important;
}

#app { display: flex; height: 100vh; width: 100vw; overflow: hidden; position: relative; }

/* === HAMBURGER MENU (ZONA SINISTRA) === */
#hamburger-menu {
    height: 100vh;
    background-color: var(--bg-sidebar);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    width: 0; /* Chiusa di default */
    overflow-x: hidden; /* Nasconde contenuto orizzontale quando chiusa */
    overflow-y: auto;   /* Permette scroll verticale se contenuto eccede */
    border-right: 1px solid transparent;
    transition: width var(--hamburger-transition-duration) ease-in-out,
                box-shadow var(--hamburger-transition-duration) ease-in-out,
                border-right-color var(--hamburger-transition-duration) ease-in-out;
}
#hamburger-menu.closed {
    width: 0;
    box-shadow: none;
    border-right-color: transparent;
}
#hamburger-menu.open {
    width: var(--hamburger-opened-width);
    box-shadow: var(--shadow-sidebar-header-block);
    border-right-color: var(--border-color-strong);
}

#hamburger-menu.open .hamburger-menu-opened-content {
    display: flex; flex-direction: column; width: 100%; height: 100%;
    opacity: 1;
}
#hamburger-menu.closed .hamburger-menu-opened-content {
    display: none; /* Nascondi il contenuto quando la sidebar è chiusa e width è 0 */
}

.sidebar-header {
    display: flex; align-items: center; justify-content: flex-end;
    padding: 0 0.75rem;
    border-bottom: 1px solid var(--border-color-strong);
    flex-shrink: 0;
    height: var(--header-height);
    background-color: var(--bg-sidebar);
    position: sticky; /* Per mantenerlo in alto durante lo scroll della sidebar */
    top: 0;
    z-index: 1; /* Sopra .sidebar-nav */
}
#sidebarHeaderHamburgerBtn {
    display: none;
}
#hamburger-menu.open #sidebarHeaderHamburgerBtn {
    display: inline-flex;
}


.sidebar-nav { padding: 1rem; flex-grow: 1; /* overflow-y: auto; -- gestito da #hamburger-menu */ }
.nav-section { margin-bottom: 1rem; }
.feeds-nav-section { margin-top: 1.5rem; }

.nav-section-toggle {
    display: flex; align-items: center;
    gap: 0.5rem;
    width: 100%; background: none; border: none; padding: 0.6rem 0.2rem;
    font-size: 0.9rem; font-weight: 600;
    color: var(--text-title);
    cursor: pointer; text-align: left; text-transform: uppercase; letter-spacing: 0.05em;
    transition: var(--transition-interactive);
}
.nav-section-toggle:hover { color: var(--accent-color); }
.nav-section-toggle i.fa-chevron-down {
    transition: transform 0.2s ease-in-out; font-size: 0.8em;
}
.nav-section-toggle.collapsed i.fa-chevron-down { transform: rotate(-90deg); }

.nav-section-content-wrapper {
    max-height: 500px; overflow: hidden;
    transition: max-height 0.3s ease-in-out;
}
.nav-section-toggle.collapsed + .nav-section-content-wrapper,
.hamburger-feeds-list-wrapper.collapsed { max-height: 0; }


.main-pages-nav ul,
#hamburger-feeds-list { list-style: none; padding-left: 0; }

.main-pages-nav li {
    display: flex; align-items: center; justify-content: space-between;
    gap: 0.75rem; padding: 0.6rem 0.5rem; font-size: 0.9rem;
    color: var(--text-excerpt); cursor: pointer;
    border-radius: var(--border-radius-base);
    transition: var(--transition-interactive);
}
.main-pages-nav li span { flex-grow: 1; }
.main-pages-nav li i { font-size: 1em; color: var(--icon-color); }

#hamburger-feeds-list li {
    display: flex; align-items: center; justify-content: space-between;
    gap: 0.75rem; padding: 0.6rem 0.5rem; font-size: 0.9rem;
    color: var(--text-excerpt); cursor: pointer;
    border-radius: var(--border-radius-base); white-space: nowrap;
    transition: var(--transition-interactive);
}

.main-pages-nav li:hover,
#hamburger-feeds-list li:hover:not(:has(.feed-actions-hamburger button:hover)) {
    background-color: var(--active-filter-bg);
    color: var(--active-filter-text);
}
.main-pages-nav li:hover i,
#hamburger-feeds-list li:hover .feed-title-hamburger {
    color: var(--active-filter-text);
}


.main-pages-nav li.active-filter,
#hamburger-feeds-list li.active-filter {
    background-color: var(--active-filter-bg);
    color: var(--active-filter-text); font-weight: 500;
}
.main-pages-nav li.active-filter i { color: var(--active-filter-text); }
#hamburger-feeds-list li.active-filter .feed-title-hamburger { color: var(--active-filter-text); }


.empty-nav-item {
    font-style: italic; color: var(--text-meta) !important;
    cursor: default !important; background-color: transparent !important;
    padding: 0.6rem 0.5rem; justify-content: flex-start;
}
#hamburger-feeds-list li .feed-title-hamburger {
    flex-grow: 1; overflow: hidden; text-overflow: ellipsis;
}

.feed-actions-hamburger {
    display: flex;
    gap: 0.3rem;
    align-items: center;
    flex-shrink: 0;
}
.feed-actions-hamburger .icon-btn {
    padding: 0.2rem;
    font-size: 0.85em;
    color: var(--icon-color);
    width: 24px;
    height: 24px;
}
.feed-actions-hamburger .edit-feed-name-btn:hover { color: var(--accent-color); }
.feed-actions-hamburger .unsubscribe-feed-btn:hover { color: #E74C3C; }


/* === READER MAIN CONTENT (ZONA CENTRALE E DESTRA) === */
#reader-main-content {
    flex-grow: 1; height: 100vh; overflow: hidden;
    margin-left: 0;
    width: 100%;
    transition: margin-left var(--hamburger-transition-duration) ease-in-out,
                width var(--hamburger-transition-duration) ease-in-out;
    display: flex;
    background-color: var(--bg-main-content-base);
}

#reader-content-wrapper {
    display: flex; width: 100%; height: 100%; position: relative;
    border-top-left-radius: var(--border-radius-container);
    border-bottom-left-radius: var(--border-radius-container);
    overflow: hidden;
}


/* === COLONNA PRINCIPALE (LISTA ARTICOLI) === */
#main-column {
    display: flex; flex-direction: column;
    flex-basis: var(--main-column-default-basis);
    min-width: 300px;
    background-color: var(--bg-card-area);
    overflow: hidden; height: 100%;
    position: relative;
}
#main-column::after {
    content: '';
    position: absolute;
    top: 0;
    right: calc(-1 * var(--resizer-width) / 2);
    width: var(--resizer-width);
    height: 100%;
    box-shadow: var(--shadow-resizer-indicator);
    pointer-events: none;
    z-index: 9;
}


#reader-content-wrapper.reading-pane-collapsed-wrapper #main-column {
    flex-basis: 100% !important;
    border-top-right-radius: var(--border-radius-container);
}
#reader-content-wrapper.reading-pane-collapsed-wrapper #main-column::after {
    display: none;
}

body:not(.is-resizing) #main-column {
    transition: flex-basis 0.3s ease-out, border-radius var(--hamburger-transition-duration) ease-in-out;
}


#main-header {
    display: flex; align-items: center; gap: 1rem;
    padding: 0 1rem;
    border-bottom: 1px solid var(--border-color-strong);
    background-color: var(--bg-header-main);
    flex-shrink: 0;
    height: var(--header-height);
    box-shadow: var(--shadow-sidebar-header-block);
    position: relative;
}
#reader-content-wrapper.reading-pane-collapsed-wrapper #main-header {
    border-top-right-radius: var(--border-radius-container);
}

#mainHeaderHamburgerBtn {
    margin-right: 0.5rem;
    display: inline-flex;
}
#hamburger-menu.open ~ #reader-main-content #mainHeaderHamburgerBtn {
    display: none;
}


.search-wrapper {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}
.search-container {
    position: relative;
    width: 100%;
    max-width: 550px;
}
.search-icon {
    position: absolute; left: 1rem; top: 50%;
    transform: translateY(-50%); color: var(--text-meta);
    pointer-events: none; font-size: 0.9em;
}
#searchInput {
    width: 100%; height: var(--search-bar-height);
    padding: 0 1rem 0 2.75rem;
    line-height: var(--search-bar-height);
    border: 1px solid var(--border-search-bar);
    border-radius: var(--border-radius-search);
    background-color: var(--bg-search-bar); color: var(--text-title);
    font-size: var(--font-size-base);
    transition: var(--transition-interactive);
}
#searchInput:focus {
    outline: none; border-color: var(--border-search-bar-focus);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--border-search-bar-focus) 20%, transparent);
}
#searchInput::placeholder { color: var(--text-placeholder); opacity: 1; }

#sortFilterButton { flex-shrink: 0; }
#sortFilterButton.sorted-asc i { color: var(--accent-color); }


/* === QUICK NAV HEADER (SOTTO MAIN HEADER) === */
#quick-nav-header {
    display: flex;
    align-items: center;
    padding: 8px 20px;
    background-color: var(--bg-quick-nav-header);
    gap: 10px;
    flex-shrink: 0;
    overflow-x: auto;
}

.quick-nav-btn {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--text-color-muted);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--border-radius-base);
    transition: var(--transition-interactive);
    white-space: nowrap;
}

.quick-nav-btn i {
    font-size: 1rem;
}

.quick-nav-btn span {
    font-size: 0.875rem;
    font-weight: 500;
}

.quick-nav-btn:hover {
    color: var(--text-color);
    background-color: var(--active-filter-bg);
}

.quick-nav-btn.active-filter {
    color: var(--accent-color);
    background-color: color-mix(in srgb, var(--accent-color) 15%, transparent);
}
.quick-nav-btn.active-filter i {
    color: var(--accent-color);
}


#article-list-content {
    flex-grow: 1; overflow-y: auto;
    padding: 24px;
    background-color: var(--bg-card-area);
}
.articles-container {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    align-items: start;
    transition: grid-template-columns 0.3s ease-out;
}

.articles-container.main-column-narrowed {
    grid-template-columns: 1fr !important;
    align-items: stretch;
}

.articles-container.main-column-narrowed .article-card {
    flex-direction: row;
    max-height: 120px;
}

.articles-container.main-column-narrowed .article-card .card-image-top {
    width: 100px;
    height: 100%;
    padding-top: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: var(--border-radius-base);
    border-right: 1px solid var(--divider-color);
}

.articles-container.main-column-narrowed .article-card .card-content-wrapper {
    padding: 10px 12px;
    justify-content: space-between;
}

.articles-container.main-column-narrowed .article-card .article-card-title,
.articles-container.main-column-narrowed .feed-item-card .article-card-title {
    font-size: 1rem;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.articles-container.main-column-narrowed .article-card .card-actions-horizontal {
    gap: 0.2rem;
}
.articles-container.main-column-narrowed .article-card .card-actions-horizontal .icon-btn {
    width: 28px; height: 28px; font-size: 0.8rem;
}

.articles-container.main-column-narrowed .article-card .article-card-excerpt,
.articles-container.main-column-narrowed .feed-item-card .article-card-excerpt {
    font-size: 0.8rem;
    -webkit-line-clamp: 1;
    margin-bottom: 6px;
    min-height: calc(0.8rem * 1.4 * 1);
}

.articles-container.main-column-narrowed .article-card .article-card-meta-bottom {
    font-size: 0.7rem;
    padding-top: 6px;
}
.articles-container.main-column-narrowed .article-card .article-card-read-time {
    display: none;
}


.empty-state-message {
    grid-column: 1 / -1; text-align: center; padding: 2rem 1rem;
    color: var(--text-meta); font-size: var(--font-size-base);
}


/* === ARTICLE CARD STYLES (Base and Vertical) === */
.article-card {
    border-radius: var(--border-radius-base);
    background-color: var(--bg-card);
    box-shadow: var(--shadow-card);
    transition: var(--transition-interactive), transform 0.12s ease-out;
    cursor: pointer;
    overflow: hidden;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    content-visibility: auto;
    contain-intrinsic-size: 340px;
    contain: layout paint style;
}
.article-card:hover { transform: translateY(-1px); }
.article-card.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px var(--accent-color), var(--shadow-card);
}

.article-card .card-image-top {
    width: 100%;
    padding-top: 45%;
    position: relative;
    overflow: hidden;
    background-color: var(--divider-color);
    flex-shrink: 0;
}
.article-card.video-type .card-image-top {
    padding-top: 56.25%;
}

.article-card .card-image-top img {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
}
.article-card .article-card-image-placeholder {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
}
.article-card .article-card-image-placeholder i {
    font-size: 2.8rem;
    color: var(--text-meta);
}
.article-card .article-card-image-placeholder i.fa-play-circle {
    font-size: 3.2rem;
}


.article-card .card-content-wrapper {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
}

.article-card .card-title-actions-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}
.article-card .article-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-title);
    line-height: 1.3;
    margin-right: 10px;
    flex-grow: 1;
}
.article-card .card-actions-horizontal {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}
.article-card .card-actions-horizontal .icon-btn {
    padding: 0.3rem;
    font-size: 0.9rem;
    width: 30px;
    height: 30px;
    color: var(--icon-color);
}
.article-card .card-actions-horizontal .icon-btn:hover {
    background-color: var(--active-filter-bg);
    color: var(--icon-color-hover);
}
.article-card .card-actions-horizontal .icon-btn.active i.fa-star { color: #F39C12; }
.article-card .card-actions-horizontal .icon-btn.active i.fa-bookmark { color: var(--accent-color); }
.article-card .card-actions-horizontal .card-action-delete:hover i { color: #E74C3C; }


.article-card .article-card-excerpt {
    font-size: 0.875rem;
    color: var(--text-excerpt);
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: calc(0.875rem * 1.4 * 2);
    max-height: calc(0.875rem * 1.4 * 2);
}
.article-card.video-type .article-card-excerpt {
    -webkit-line-clamp: 1;
    min-height: calc(0.875rem * 1.4 * 1);
    max-height: calc(0.875rem * 1.4 * 1);
}


.article-card .article-card-meta-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-meta);
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid var(--divider-color);
    gap: 10px;
}
.article-card .article-card-url-display {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;
    min-width: 50px;
}
.article-card .article-card-read-time,
.article-card .article-card-date-added {
    white-space: nowrap;
    flex-shrink: 0;
}

/* DETAILED CARD (per feed items - mantiene il suo layout) */
.article-card.detailed-card {
    flex-direction: column;
    padding: 16px;
}
.article-card.detailed-card .article-card-content { flex-grow: 1; display: flex; flex-direction: column; }
.article-card.detailed-card .article-card-title {
    font-size: var(--font-size-base);
    font-weight: 600; color: var(--text-title);
    margin: 0 0 0.5rem 0; line-height: 1.3;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden; text-overflow: ellipsis;
}
.article-card.detailed-card .article-card-excerpt {
    font-size: 0.85rem; color: var(--text-excerpt);
    line-height: 1.4;
    margin-bottom: 0.75rem; display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis;
    flex-grow: 1;
}
.article-card.detailed-card .article-card-meta {
    font-size: 0.75rem; color: var(--text-meta);
    display: flex; justify-content: space-between; align-items: center;
    margin-top: auto; padding-top: 0.5rem;
    border-top: 1px solid var(--divider-color);
}
.article-card.detailed-card .article-card-domain {
    font-weight: 500; overflow: hidden; text-overflow: ellipsis;
    white-space: nowrap; max-width: 60%;
}

.feed-item-card.read .article-card-title { font-weight: normal; color: var(--text-meta); }
.feed-item-card.unread .article-card-title { font-weight: 600; color: var(--text-title); }
.article-card-meta .feed-item-external-link {
    font-size: 0.9rem; color: var(--icon-color); padding: 0.25rem;
    background: transparent; border: none; cursor: pointer; margin-left: auto;
}
.article-card-meta .feed-item-external-link:hover { color: var(--accent-color); }


/* === RESIZER === */
#resizer {
    flex-basis: var(--resizer-width); flex-shrink: 0;
    background-color: transparent;
    cursor: col-resize; z-index: 10;
    height: 100%;
    transition: var(--transition-interactive);
}
#reader-content-wrapper.reading-pane-collapsed-wrapper #resizer { display: none; }

/* === READING PANE (ZONA DESTRA) === */
#reading-pane {
    flex-grow: 1;
    background: var(--bg-reader-pane-base);
    position: relative;
    height: 100%; min-width: 320px; z-index: 5;
    display: flex; flex-direction: column;
    overflow: hidden;
    transition: opacity 0.2s ease-out, flex-basis 0.3s ease-out, min-width 0.3s ease-out;
}
#reading-pane.collapsed {
    flex-grow: 0 !important; flex-basis: 0 !important; min-width: 0 !important;
    overflow: hidden !important; padding: 0 !important; border-left: none !important; opacity: 0;
}
#reading-pane.fullscreen {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    width: 100vw; height: 100vh; z-index: 1000; border-left: none;
    background-color: var(--bg-reader-pane-base);
    border-radius: 0;
}
#reading-pane.fullscreen #closeArticleBtn {
    display: none;
}


.toolbar {
    display: flex; align-items: center;
    padding: 0 0.75rem; gap: 0.5rem;
    border-bottom: 1px solid var(--border-color-strong);
    background-color: var(--bg-reader-toolbar);
    position: sticky; top: 0; z-index: 100;
    height: var(--header-height);
    flex-shrink: 0;
    box-shadow: var(--shadow-sidebar-header-block);
}
#reading-pane.fullscreen .toolbar { border-radius: 0; }


.toolbar .icon-btn {
    font-size: 1rem; padding: 0.5rem; min-width: 36px; min-height: 36px;
    color: var(--icon-color);
}
.toolbar .icon-btn:hover { color: var(--icon-color-hover); background-color: var(--active-filter-bg); }
.toolbar .toolbar-spacer { flex-grow: 1; }
.toolbar .icon-btn.active i.fa-star { color: #F39C12; }
.toolbar .icon-btn.active i.fa-bookmark { color: var(--accent-color); }

.appearance-menu-container {
    position: relative;
}
.appearance-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background-color: var(--bg-appearance-dropdown);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--border-radius-base);
    box-shadow: var(--shadow-card);
    z-index: 110;
    padding: 0.5rem;
    min-width: 180px;
}
.appearance-dropdown.visible {
    display: block;
}
.appearance-group {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0.3rem 0;
}
.appearance-group:not(:last-child) {
    border-bottom: 1px solid var(--divider-color);
    margin-bottom: 0.3rem;
    padding-bottom: 0.3rem;
}
.appearance-item-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.9rem;
}
.appearance-item-label {
    font-size: calc(var(--font-size-base) * 0.8);
    color: var(--text-meta);
    padding: 0 0.25rem;
}


.toolbar-font-label {
    font-size: calc(var(--font-size-base) * 0.8); color: var(--text-meta);
    min-width: 35px; text-align: center; font-variant-numeric: tabular-nums;
    padding: 0 0.25rem; line-height: 1; display: inline-flex; align-items: center;
}
.toolbar #decreaseFontBtn i, .toolbar #increaseFontBtn i { margin-right: 2px; }
.toolbar-divider {
    width: 1px; height: 24px; background-color: var(--divider-color); margin: 0 0.5rem;
}

.article-content-scroll-wrapper {
    flex-grow: 1; overflow-y: auto;
    padding: 44px 56px 72px;
    line-height: var(--line-height-base);
    background-color: var(--bg-reader-content);
}

.article-header-container, .article-body-container {
    max-width: 740px;
    width: 100%; margin-left: auto; margin-right: auto;
}

.article-header-container h2#articleViewTitle {
    margin-top: 0; margin-bottom: 0.75rem; font-size: clamp(2rem, 3.2vw, 3rem);
    line-height: 1.08; color: var(--text-title); font-weight: 720; letter-spacing: -0.035em;
}
.article-header-container p.original-url {
    font-size: 0.9rem; margin-bottom: 1.5rem; color: var(--text-meta);
}
.article-header-container p.original-url a { color: var(--link-color); text-decoration: none; }
.article-header-container p.original-url a:hover { text-decoration: underline; }
.article-header-container #articleViewDate,
.article-header-container #articleViewReadTime { margin-left: 0.5em; font-style: italic; }
.article-header-container #articleViewReadTime::before { content: "•"; margin-right: 0.5em; }

hr.article-header-divider {
    border: none; border-top: 1px solid var(--divider-color);
    margin: 1.5rem auto; max-width: 700px; width: 100%;
}

#articleContent {
    color: var(--text-body);
    font-size: var(--font-size-base);
    font-family: var(--font-family-reader);
    font-size: 1.12rem;
    line-height: 1.78;
    letter-spacing: 0.003em;
}
#articleContent h1, #articleContent h2, #articleContent h3,
#articleContent h4, #articleContent h5, #articleContent h6 {
    margin-top: 1.8em; margin-bottom: 0.8em; line-height: 1.3;
    color: var(--text-title); font-weight: 600;
}
#articleContent h1 { font-size: 1.6em; } #articleContent h2 { font-size: 1.4em; } #articleContent h3 { font-size: 1.2em; }
#articleContent p { margin-bottom: 1.35em; }
#articleContent > p:first-child { font-size: 1.08em; color: var(--text-title); }
#articleContent ul, #articleContent ol { margin-left: 1.5em; margin-bottom: 1.2em; padding-left: 1em; }
#articleContent li { margin-bottom: 0.6em; }
#articleContent blockquote {
    border-left: 3px solid var(--accent-color); padding: 0.8em 1.2em;
    margin: 1.5em 0; color: var(--text-excerpt);
    background-color: var(--bg-card);
    border-radius: 0 var(--border-radius-base) var(--border-radius-base) 0; font-style: italic;
}
#articleContent pre {
    background-color: var(--bg-card); color: var(--text-body);
    border: 1px solid var(--divider-color); padding: 1em;
    border-radius: var(--border-radius-base); overflow-x: auto;
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    font-size: 0.9em; margin-bottom: 1.5em; white-space: pre-wrap; word-wrap: break-word;
}
#articleContent code {
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    background-color: hsla(var(--accent-color-hsl, 217, 89%, 50%), 0.12);
    color: var(--accent-color); padding: 0.2em 0.4em;
    border-radius: 0.2rem; font-size: 0.9em;
}
:root[data-theme="dark"] { --accent-color-hsl: 217, 89%, 50%; }
:root[data-theme="light"] { --accent-color-hsl: 217, 89%, 50%; }


#articleContent pre code { background: none; padding: 0; border-radius: 0; border: none; font-size: inherit; color: inherit; }
#articleContent a { color: var(--link-color); text-decoration: none; }
#articleContent a:hover { text-decoration: underline; }
#articleContent img { max-width: 100%; height: auto; margin: 1.8em 0; border-radius: var(--border-radius-base); display: block; border: 1px solid var(--divider-color); }
#articleContent table { border-collapse: collapse; margin: 1.8em 0; width: 100%; border: 1px solid var(--divider-color); font-size: 0.9rem; }
#articleContent th, #articleContent td { border: 1px solid var(--divider-color); padding: 0.6em 0.8em; text-align: left; }
#articleContent th { background-color: var(--bg-card); font-weight: 600; }
#articleContent hr { border: none; border-top: 1px solid var(--divider-color); margin: 2em 0; }

.reader-skeleton { display: grid; gap: 14px; padding-top: 8px; }
.reader-skeleton span {
    display: block;
    height: 15px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--bg-card) 20%, var(--active-filter-bg) 48%, var(--bg-card) 76%);
    background-size: 220% 100%;
    animation: genio-reader-shimmer 1.15s ease-in-out infinite;
}
.reader-skeleton span:nth-child(1) { width: 94%; }
.reader-skeleton span:nth-child(2) { width: 100%; }
.reader-skeleton span:nth-child(3) { width: 87%; }
.reader-skeleton span:nth-child(4) { width: 62%; }
@keyframes genio-reader-shimmer { to { background-position: -220% 0; } }

.snapshot-loading-notice,
.snapshot-light-notice {
    padding: 12px 14px;
    border: 1px solid var(--divider-color);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-meta);
    font-family: var(--font-family-sans);
    font-size: 0.84rem;
}
.snapshot-loading-notice i { margin-right: 7px; color: var(--accent-color); }

.load-more-button { display: flex; align-items: center; justify-content: center; gap: 9px; margin: 28px auto 6px; border-radius: 999px; }
.load-more-button[hidden] { display: none; }
.load-more-button:disabled i { animation: genio-reader-spin 0.8s linear infinite; }
@keyframes genio-reader-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}


/* === ICON BUTTONS GENERICI === */
.icon-btn {
    background: none; border: none; color: var(--icon-color);
    padding: 0.5rem; cursor: pointer; font-size: 1.1rem;
    border-radius: var(--border-radius-base);
    transition: var(--transition-interactive);
    line-height: 1; display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px;
}
.icon-btn:hover { color: var(--icon-color-hover); background-color: var(--active-filter-bg); }
.icon-btn i { vertical-align: middle; font-size: 0.9em; }


/* Refresh icon spin */
.fa-spin { animation: fa-spin 1s linear infinite; }
@keyframes fa-spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Scrollbar styles */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--border-color-strong) 80%, transparent);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--text-meta) 80%, transparent);
}

/* === MEDIA QUERIES === */
@media (max-width: 768px) {
    #main-column { min-width: 280px; }
    .articles-container {
        grid-template-columns: 1fr;
    }

    .article-content-scroll-wrapper { padding: 24px; }
    .article-header-container h2#articleViewTitle { font-size: 1.6em; }
    .search-container { max-width: 100%; }
    #main-header { gap: 0.5rem; padding: 0 0.75rem; }
    #mainHeaderHamburgerBtn { margin-right: 0.2rem; }


    .article-card .card-title-actions-row {
        flex-direction: column;
        align-items: stretch;
    }
    .article-card .article-card-title {
        margin-right: 0;
        margin-bottom: 8px;
    }
    .article-card .card-actions-horizontal {
        justify-content: flex-start;
    }

    .toolbar { gap: 0.2rem; padding: 0 0.5rem; flex-wrap: wrap; justify-content: space-around; height: auto; min-height: var(--header-height) }
    .toolbar .icon-btn { padding: 0.4rem; min-width: 32px; min-height: 32px; }
    .toolbar-font-label { min-width: 30px; font-size: calc(var(--font-size-base) * 0.75); }
    .toolbar-divider { margin: 0 0.3rem; }
    .toolbar .toolbar-spacer { display: none; }

    #quick-nav-header { padding: 8px 10px; }
    .quick-nav-btn { padding: 5px 8px; gap: 5px; }
    .quick-nav-btn i { font-size: 0.9rem; }
    .quick-nav-btn span { font-size: 0.8rem; }

}

@media (max-width: 480px) {
    #hamburger-menu.open { width: 100%; border-right: none; border-radius: 0; }
    #reader-content-wrapper { border-radius: 0; }

    #article-list-content { padding: 16px; }
    .articles-container { gap: 16px; }
    .article-content-scroll-wrapper { padding: 16px; }
    .article-header-container h2#articleViewTitle { font-size: 1.4em; }

    #quick-nav-header {
        justify-content: space-around;
    }
    .quick-nav-btn span {
        display: none;
    }
    .quick-nav-btn i {
        font-size: 1.1rem;
    }
     .quick-nav-btn {
        padding: 8px;
    }
}

/* === YouTube Video Embed Styles === */
.youtube-video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    margin-bottom: 1.5em;
    border-radius: var(--border-radius-base);
}

.youtube-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

#articleContent .youtube-video-container {
    margin-left: auto;
    margin-right: auto;
}

.card-actions-horizontal-feed {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.card-action-save-feed-item i {
    color: var(--accent-color);
}
.card-action-save-feed-item:hover i {
    filter: brightness(0.8);
}
.home-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color, #333);
}
.home-controls label { display: inline-flex; align-items: center; gap: 5px; font-size: .82rem; }
.home-controls input { color: inherit; background: var(--input-bg, #222); border: 1px solid var(--border-color, #444); border-radius: 5px; padding: 5px; }
.new-items-button { background: #2f80ed; color: #fff; }
.load-more-button { display: block; margin: 18px auto; }
.snapshot-light-badge { color: #d59a32; font-size: .72rem; margin-left: 8px; }
/* GENIO Reader refresh — compact library + editorial reading surface */
:root { --genio-accent:#2f80ed; --genio-bg:#f7f8fa; --genio-library-bg:#eceff3; --genio-surface:#fff; --genio-line:#e7e9ee; --genio-ink:#1d2430; --genio-muted:#737b88; }
[data-theme="dark"] { --genio-bg:#111419; --genio-library-bg:#22262d; --genio-surface:#181c22; --genio-line:#2a3039; --genio-ink:#edf1f5; --genio-muted:#9aa3b1; }
#app { background:var(--genio-bg); color:var(--genio-ink); }
#reader-main-content { padding:0; background:var(--genio-bg); box-sizing:border-box; }
#reader-content-wrapper { min-height:100vh; border:0; border-radius:0; overflow:hidden; box-shadow:none; background:var(--genio-bg); }
#hamburger-menu.open + #reader-main-content { padding-left:0; }
#hamburger-menu { width:248px; background:var(--genio-bg); border-right:0; box-shadow:none; }
#hamburger-menu.closed { width:0; border:0; }
.sidebar-header { height:64px; display:flex; align-items:center; justify-content:flex-start; background:var(--genio-bg); border-bottom:0; }
.sidebar-nav { padding:16px 12px; }
#main-pages-list li { border-radius:9px; min-height:38px; padding:0 12px; color:var(--genio-muted); font-weight:550; }
#main-pages-list li.active-filter { color:var(--genio-accent); background:rgba(47,128,237,.1); }
#main-header { height:64px; padding:0 24px; background:var(--genio-bg); border-bottom:0; box-shadow:none; }
.search-container { max-width:560px; background:var(--genio-bg); border:1px solid var(--genio-line); border-radius:10px; }
.search-container:focus-within { border-color:var(--genio-accent); box-shadow:0 0 0 3px rgba(47,128,237,.12); }
#quick-nav-header { padding:14px 24px 4px; background:var(--genio-surface); border-bottom:1px solid var(--genio-line); gap:6px; }
.quick-nav-btn { border:0; border-radius:8px; padding:8px 11px; color:var(--genio-muted); background:transparent; }
.quick-nav-btn.active-filter { color:var(--genio-accent); background:rgba(47,128,237,.1); }
.home-controls { padding:12px 24px; background:var(--genio-surface); border-bottom:1px solid var(--genio-line); }
#reader-content-wrapper { background:var(--genio-bg); }
#main-column { padding:0; background:var(--genio-bg); }
#article-list-content {
    margin:12px 0 0 12px;
    padding:20px 24px 32px;
    background:var(--genio-library-bg);
    border-radius:18px 0 0 0;
}
.articles-container { gap:10px; }
.article-card, .feed-item-card { border:1px solid var(--genio-line); border-radius:12px; background:var(--genio-surface); box-shadow:none; transition:border-color .16s ease, transform .16s ease, box-shadow .16s ease; }
.article-card:hover { transform:translateY(-1px); border-color:#cdd4df; box-shadow:0 8px 22px rgba(24,35,52,.06); }
.article-card { position:relative; }
.card-select-checkbox {
    position:absolute; top:10px; left:10px; z-index:4; width:22px; height:22px;
    accent-color:var(--accent-color); cursor:pointer; opacity:0; transform:scale(.88);
    transition:opacity .12s ease, transform .12s ease;
}
.article-card:hover .card-select-checkbox,
.article-card.selected .card-select-checkbox,
.articles-container.selection-active .card-select-checkbox { opacity:1; transform:scale(1); }
.article-card.selected { border-color:var(--accent-color); box-shadow:0 0 0 1px var(--accent-color); }
.bulk-actions-bar {
    margin:10px 12px 0; min-height:46px; padding:7px 10px; display:flex; align-items:center; gap:8px;
    border:1px solid var(--genio-line); border-radius:10px; background:var(--genio-surface); color:var(--genio-ink);
}
.bulk-actions-bar[hidden] { display:none; }
.bulk-selection-count { margin-right:auto; color:var(--genio-muted); font-size:13px; }
.bulk-actions-bar .bulk-delete:hover { color:#e74c3c; }
.article-card-title { color:var(--genio-ink); font-size:15px; line-height:1.35; }
.article-card-excerpt { color:var(--genio-muted); }
.article-card-meta, .article-card-meta-bottom { color:var(--genio-muted); }
#resizer { width:12px; background:var(--genio-bg); }
#reading-pane {
    height:calc(100% - 12px); margin:12px 0 0;
    background:var(--bg-reader-content); border-left:0; border-radius:18px 0 0 0;
    box-shadow:none;
}
#reading-pane.collapsed { height:100%; margin:0; border-radius:0; box-shadow:none; }
#reading-pane.fullscreen { height:100vh; margin:0; border-radius:0; box-shadow:none; }
#reading-pane.fullscreen,
#reading-pane.fullscreen .toolbar,
#reading-pane.fullscreen .article-content-scroll-wrapper { background:var(--bg-reader-content); }
#reading-pane.fullscreen .article-content-scroll-wrapper {
    width:100%; max-width:none; margin:0; padding-left:clamp(36px,8vw,160px); padding-right:clamp(36px,8vw,160px);
}
#reading-pane.fullscreen .article-header-container,
#reading-pane.fullscreen .article-body-container { max-width:980px; }
#toggleAppearanceMenuBtn { display:inline-flex !important; }
.appearance-menu-container { display:inline-flex; }
#reading-pane .toolbar { height:52px; padding:0 20px; background:var(--bg-reader-content); border-bottom:0; border-radius:18px 0 0 0; box-shadow:none; }
#reading-pane.fullscreen .toolbar { border-radius:0; }
.article-content-scroll-wrapper { max-width:840px; margin:0 auto; padding:56px 72px 100px; background:var(--bg-reader-content); }
.article-header-container h2 { color:var(--genio-ink); font-size:clamp(29px,3vw,46px); line-height:1.12; letter-spacing:-.035em; }
.original-url, #articleViewDate, #articleViewReadTime { color:var(--genio-muted); }
.article-header-divider { border-color:var(--genio-line); margin:30px 0 38px; }
#articleContent { color:var(--genio-ink); font-size:18px; line-height:1.78; }
#articleContent p { margin-bottom:1.45em; }
.icon-btn { border-radius:9px; }
.icon-btn:hover { background:rgba(47,128,237,.1); color:var(--genio-accent); }
.web-account-btn, .action-btn { border-radius:9px; }
@media (max-width:900px) { #reader-main-content { padding:0; } #reader-content-wrapper { min-height:100vh; border-radius:0; border:0; } #hamburger-menu { position:fixed; z-index:30; height:100vh; } #main-column { padding:0; } #article-list-content { padding:14px; } .article-content-scroll-wrapper { padding:34px 24px 72px; } #reading-pane { position:fixed; inset:0; z-index:40; height:100vh; margin:0; border-radius:0; } }

/* Library navigation: archive tabs, one compact utility surface. */
#main-header { gap:12px; }
.header-actions { display:flex; align-items:center; gap:4px; margin-left:auto; }
.library-controls-menu-container { position:relative; }
.library-controls-menu {
    position:absolute; top:calc(100% + 10px); right:0; z-index:120;
    width:244px; padding:12px; border:1px solid var(--genio-line); border-radius:12px;
    background:var(--genio-surface); box-shadow:0 16px 36px rgba(18,27,40,.16);
}
.library-controls-menu[hidden] { display:none; }
.library-controls-heading { margin-bottom:10px; color:var(--genio-muted); font-size:11px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
.library-controls-menu label { display:flex; flex-direction:column; gap:5px; color:var(--genio-muted); font-size:12px; font-weight:600; }
.library-controls-menu select, .library-controls-menu input {
    width:100%; min-height:34px; padding:6px 8px; border:1px solid var(--genio-line); border-radius:8px;
    background:var(--genio-bg); color:var(--genio-ink); font:inherit;
}
.feed-filter-controls { display:grid; gap:9px; margin-top:12px; padding-top:12px; border-top:1px solid var(--genio-line); }
.feed-filter-controls .action-btn { min-height:34px; justify-content:center; font-size:12px; }
.sidebar-nav { display:flex; flex-direction:column; min-height:calc(100% - 64px); }
.sidebar-account-controls { margin-top:auto; padding:14px 4px 2px; border-top:1px solid var(--genio-line); }
.sidebar-account-controls .web-account-btn { width:100%; justify-content:center; }

#quick-nav-header {
    gap:7px; min-height:58px; padding:18px 28px 0; overflow:visible;
    background:var(--genio-bg); border-bottom:1px solid var(--genio-line);
}
.quick-nav-btn {
    position:relative; min-height:40px; padding:9px 15px;
    border:1px solid var(--genio-line); border-bottom:0; border-radius:12px 12px 0 0;
    color:var(--genio-muted); background:color-mix(in srgb, var(--genio-surface) 58%, transparent);
}
.quick-nav-btn:hover { color:var(--genio-ink); background:var(--genio-surface); }
.quick-nav-btn.active-filter {
    z-index:1; margin-bottom:-1px; color:var(--genio-accent);
    border-color:var(--genio-line); background:var(--genio-surface);
    box-shadow:inset 0 3px 0 var(--genio-accent);
}
.quick-nav-btn.active-filter::after { content:""; position:absolute; z-index:2; right:0; bottom:-1px; left:0; height:1px; background:var(--genio-surface); }
.quick-nav-btn span { font-weight:650; }
.secondary-library-action { color:var(--genio-ink); background:var(--genio-bg); border:1px solid var(--genio-line); }
.secondary-library-action:hover { color:var(--genio-accent); border-color:var(--genio-accent); }
.home-controls { min-height:0; padding:8px 24px; background:var(--genio-bg); border-bottom:0; }
.home-controls:has(.new-items-button[hidden]) { display:none; }
#article-list-content { border-top:0; }

@media (max-width:640px) {
    #quick-nav-header { padding-left:12px; padding-right:12px; overflow-x:auto; }
    .quick-nav-btn { padding:8px 10px; }
    .library-controls-menu { position:fixed; top:64px; right:12px; width:min(280px, calc(100vw - 24px)); }
    .sidebar-account-controls { margin-top:20px; }
}

/* Closed navigation rail: compact icon-only navigation beside the workspace. */
#hamburger-menu.closed ~ #reader-main-content #mainHeaderHamburgerBtn {
    position:fixed;
    top:13px;
    left:13px;
    z-index:210;
    margin:0;
}

#hamburger-menu.closed ~ #reader-main-content #quick-nav-header {
    position:fixed;
    z-index:190;
    top:64px;
    bottom:0;
    left:0;
    width:var(--closed-navigation-rail-width);
    min-height:0;
    padding:14px 0 18px;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:10px;
    overflow-x:hidden;
    overflow-y:auto;
    background:var(--genio-bg);
    border:0;
}

#hamburger-menu.closed ~ #reader-main-content #quick-nav-header .quick-nav-btn {
    width:40px;
    height:40px;
    min-height:40px;
    margin:0;
    padding:0;
    justify-content:center;
    flex:0 0 40px;
    border:0;
    border-radius:10px;
    background:transparent;
    box-shadow:none;
}

#hamburger-menu.closed ~ #reader-main-content #quick-nav-header .quick-nav-btn span,
#hamburger-menu.closed ~ #reader-main-content #quick-nav-header .quick-nav-btn::after {
    display:none;
}

#hamburger-menu.closed ~ #reader-main-content #quick-nav-header .quick-nav-btn i {
    margin:0;
    font-size:1.05rem;
}

#hamburger-menu.closed ~ #reader-main-content #quick-nav-header .quick-nav-btn.active-filter {
    color:var(--genio-accent);
    background:rgba(47,128,237,.12);
    box-shadow:none;
}

#hamburger-menu.open ~ #reader-main-content #quick-nav-header {
    display:none;
}

#hamburger-menu.open {
    border-right:0;
    box-shadow:none;
}

/* Short visual thumb while preserving the full native drag target. */
#hamburger-menu::-webkit-scrollbar-thumb {
    box-sizing:border-box;
    min-height:190px;
    border-top:70px solid transparent;
    border-bottom:70px solid transparent;
    background-clip:content-box;
}

/* Keep panel changes quick and avoid costly broad layout animations. */
.nav-section-content-wrapper {
    transition:max-height 0.14s ease-out;
}

body:not(.is-resizing) #main-column {
    transition:flex-basis 0.14s ease-out, border-radius 0.14s ease-out;
}

#reading-pane {
    transition:opacity 0.1s ease-out, flex-basis 0.14s ease-out, min-width 0.14s ease-out;
}

.articles-container {
    transition:none;
}

@media (max-width:640px) {
    :root { --closed-navigation-rail-width:56px; }
    #hamburger-menu.closed ~ #reader-main-content #mainHeaderHamburgerBtn { left:9px; }
    #hamburger-menu.closed ~ #reader-main-content #quick-nav-header { width:56px; padding-inline:0; }
}