html {
    height: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

#page-container {
    flex: 1 0 auto;
}

footer {
    flex-shrink: 0;
}

body.modal-open {
    overflow: hidden;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

.elevation-2 {
    box-shadow: 0px 3px 1px -2px var(--shadow-umbra), 0px 2px 2px 0px var(--shadow-penumbra), 0px 1px 5px 0px var(--shadow-ambient);
}

.elevation-4 {
    box-shadow: 0px 2px 4px -1px var(--shadow-umbra), 0px 4px 5px 0px var(--shadow-penumbra), 0px 1px 10px 0px var(--shadow-ambient);
}

.elevation-8 {
    box-shadow: 0px 5px 5px -3px var(--shadow-umbra), 0px 8px 10px 1px var(--shadow-penumbra), 0px 3px 14px 2px var(--shadow-ambient);
}

.header-main {
    background-color: var(--header-bg);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

#matrixCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: none;
    z-index: 0;
}

.header-title {
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-color);
}

.header-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary-color);
}

.header-version-text {
    color: var(--text-secondary-color);
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-container input {
    background-color: var(--search-bg);
    border: 1px solid var(--search-border);
    color: var(--text-color);
    border-radius: 0.5rem;
    padding-right: 2.5rem;
}

.search-container input::placeholder {
    color: var(--text-secondary-color);
}

.search-container input:focus {
    --tw-ring-color: var(--search-focus-ring);
    border-color: var(--search-focus-ring);
    box-shadow: 0 0 0 2px var(--search-focus-ring);
}

.search-clear-button {
    position: absolute;
    right: 0.5rem;
    padding: 0.25rem;
    color: var(--text-secondary-color);
    cursor: pointer;
    display: none;
}

.search-clear-button:hover {
    color: var(--text-color);
}

.search-clear-button svg {
    width: 1.25rem;
    height: 1.25rem;
}

.title-theme-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
@media (max-width: 830px) {
    .title-theme-row::before {
        content: '';
        width: 2.75rem;
    }
}
@media (min-width: 831px) {
    .title-theme-row { justify-content: flex-start; }
}
.theme-btn-narrow {
    display: none !important;
}
@media (max-width: 830px) {
    .theme-btn-narrow {
        display: flex !important;
    }
    #themeToggleBtn {
        display: none !important;
    }
    /* Override Tailwind md:flex-row — stay stacked/centered at 768-830px */
    #header-top-row {
        flex-direction: column !important;
    }
    .header-title-block {
        text-align: center !important;
        margin-bottom: 0.75rem !important;
    }
    .header-nav-row {
        justify-content: center !important;
    }
}

.header-button {
    background-color: transparent;
    color: var(--icon-fill);
    border: none;
    padding: 0.625rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-button:hover {
    background-color: rgba(0, 0, 0, 0.04);
    color: var(--icon-hover-fill);
}
.header-button svg {
    width: 1.5rem;
    height: 1.5rem;
    fill: currentColor;
    margin-right: 0;
}

.header-button.text-button {
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

.header-button.text-button svg {
    margin-right: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
}

.matrix-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.28rem;
    padding: 1.0rem 0.5rem;
    align-items: flex-start;
    justify-content: center;
}

.matrix-column {
    flex-grow: 0;
    flex-shrink: 0;
    min-width: 170px;
    background-color: var(--column-bg);
    border-radius: 0.75rem;
    padding: 0.6rem;
    min-height: 200px;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.column-header {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--column-header-text);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--column-border);
    transition: color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.column-header:hover {
    color: var(--column-header-hover-text);
}

.technique-container {
    margin-bottom: 0.75rem;
}

.technique-item {
    display: flex;
    /*justify-content: space-between;*/
    align-items: center;
    /* Vertically center content and icon */
    background-color: var(--technique-item-bg);
    position: relative;
    /* Add this */
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--technique-item-text);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out, transform 0.2s ease, box-shadow 0.2s ease;
    line-height: 1.5;
    min-height: 60px;
    /* Ensures consistent height */
}

.technique-item-content {
    flex-grow: 1;
    overflow: hidden;
    min-width: 0;
}

.technique-item:hover {
    background-color: var(--technique-item-hover-bg);
    color: var(--technique-item-hover-text);
    transform: translateY(-2px);
}

/* Partial search match: subtle background only */
.technique-item.highlight {
    background-color: var(--technique-item-highlight-bg);
    color: var(--technique-item-highlight-text);
    font-weight: 600;
}
/* Exact name/ID match: full glow (matches ATLAS search-match style) */
.technique-item.highlight-exact {
    background-color: var(--technique-item-highlight-bg);
    color: var(--technique-item-highlight-text);
    font-weight: 600;
    outline: 2px solid var(--search-focus-ring);
    outline-offset: -1px;
    box-shadow: 0 0 10px 2px var(--search-focus-ring);
    animation: searchPulse 1.2s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

/* Partial search match: subtle background only */
.subtechnique-item.highlight {
    background-color: var(--technique-item-highlight-bg) !important;
    color: var(--technique-item-highlight-text) !important;
    font-weight: 600;
}
/* Exact name/ID match: full glow */
.subtechnique-item.highlight-exact {
    background-color: var(--technique-item-highlight-bg) !important;
    color: var(--technique-item-highlight-text) !important;
    font-weight: 600;
    outline: 2px solid var(--search-focus-ring);
    outline-offset: -1px;
    box-shadow: 0 0 10px 2px var(--search-focus-ring);
    animation: searchPulse 1.2s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

/* === ATLAS Matrix View === */
.atlas-matrix-container { padding: 0.5rem; }
.atlas-matrix-toolbar {
    display: flex; align-items: center; justify-content: center;
    gap: 1.5rem; margin-bottom: 0.75rem; flex-wrap: wrap;
}
/* Modal defense toggle */
.modal-content .fw-group-toggle { padding: 0 0 0.75rem 0; border-bottom: 1px solid var(--column-border); margin-bottom: 1.25rem; }
.atlas-matrix-legend {
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; font-size: 0.84rem; color: var(--text-secondary-color);
}
.atlas-matrix-legend-item { display: flex; align-items: center; gap: 0.35rem; }
.atlas-matrix-legend-swatch {
    width: 14px; height: 14px; border-radius: 3px; border: 1px solid var(--column-border);
}

/* Smooth horizontal scroll */
.atlas-matrix-scroll {
    overflow-x: auto; padding-bottom: 0.75rem;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}
.atlas-matrix-scroll.is-dragging { scroll-behavior: auto; cursor: grabbing; user-select: none; }
.atlas-matrix-scroll::-webkit-scrollbar { height: 10px; }
.atlas-matrix-scroll::-webkit-scrollbar-track {
    background: var(--scrollbar-track); border-radius: 10px; margin: 0 0.5rem;
}
.atlas-matrix-scroll::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb); border-radius: 10px; border: 2px solid var(--scrollbar-track);
}
.atlas-matrix-scroll::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

.atlas-matrix-grid { display: flex; align-items: flex-start; gap: 0.35rem; min-width: fit-content; padding: 0.25rem 0; }
.atlas-matrix-col {
    flex: 0 0 195px; min-width: 195px; background-color: var(--column-bg);
    border-radius: 0.75rem; padding: 0.6rem; display: flex; flex-direction: column;
    transition: background-color 0.3s ease;
}
.atlas-matrix-col-header {
    font-size: 1.1rem; font-weight: 500; color: var(--column-header-text);
    text-align: center; padding: 0.75rem 0.35rem; margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--column-border); line-height: 1.4;
}
.atlas-matrix-col-header .tactic-id { font-size: 0.7rem; color: var(--technique-id-text); display: block; margin-bottom: 0.2rem; }
.atlas-matrix-col-count { font-size: 0.7rem; color: var(--text-secondary-color); text-align: center; margin-bottom: 0.4rem; }

/* Technique cells */
.atlas-matrix-cell {
    background-color: var(--technique-item-bg); border-radius: 0.5rem;
    padding: 0.6rem 1.8rem 0.6rem 0.75rem; margin-bottom: 0.3rem; cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.25s ease;
    border-left: 3.5px solid transparent; position: relative; min-height: 52px;
    display: flex; flex-direction: column; justify-content: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
}
.atlas-matrix-cell:hover {
    background-color: var(--technique-item-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.13), 0 0 0 1px rgba(0,0,0,0.06);
}
.atlas-matrix-cell.cov-high { border-left-color: #4caf50; }
.atlas-matrix-cell.cov-medium { border-left-color: #ff9800; }
.atlas-matrix-cell.cov-low { border-left-color: #f44336; }
.atlas-matrix-cell.cov-none { border-left-color: transparent; opacity: 0.7; }
.atlas-matrix-cell.cov-none:hover { opacity: 1; }

.atlas-matrix-cell .cell-name { font-size: 0.84rem; color: var(--technique-item-text); line-height: 1.4; word-break: break-word; }
.atlas-matrix-cell .cell-id { font-size: 0.7rem; color: var(--technique-id-text); margin-top: 0.15rem; }
.atlas-matrix-cell .cell-badge {
    font-size: 0.65rem; padding: 0.1rem 0.4rem; border-radius: 0.75rem;
    display: inline-block; margin-top: 0.2rem; font-weight: 600; width: fit-content;
}
.cell-badge.badge-high { background-color: rgba(76,175,80,0.15); color: #4caf50; }
.cell-badge.badge-medium { background-color: rgba(255,152,0,0.15); color: #ff9800; }
.cell-badge.badge-low { background-color: rgba(244,67,54,0.15); color: #f44336; }
.cell-badge.badge-none { background-color: rgba(128,128,128,0.1); color: var(--text-secondary-color); }

/* Expand chevron */
.atlas-matrix-cell .cell-expand {
    position: absolute; right: 0.35rem; top: 50%; transform: translateY(-50%);
    width: 18px; height: 18px; color: var(--text-secondary-color); cursor: pointer;
    transition: color 0.2s, transform 0.2s; display: flex; align-items: center; justify-content: center;
}
.atlas-matrix-cell .cell-expand:hover { color: var(--technique-item-text); }
.atlas-matrix-cell .cell-expand.rotated { transform: translateY(-50%); }
.atlas-matrix-cell .cell-expand.rotated svg { transform: rotate(90deg); }
.atlas-matrix-cell .cell-expand svg { transition: transform 0.25s ease; }

/* Subtechnique expansion */
.atlas-matrix-subs { max-height: 0; overflow: hidden; transition: max-height 0.35s cubic-bezier(0.25, 0.1, 0.25, 1); padding-right: 14px; margin-right: -14px; }
.atlas-matrix-subs.open { max-height: 2000px; }
.atlas-matrix-sub {
    background-color: var(--subtechnique-bg); border-radius: 0.375rem;
    padding: 0.45rem 0.6rem 0.45rem 0.7rem; margin: 0.2rem 0 0.2rem 0.5rem;
    cursor: pointer; transition: background-color 0.2s ease, transform 0.2s ease;
    border-left: 3px solid transparent; font-size: 0.78rem;
}
.atlas-matrix-sub:hover { background-color: var(--technique-item-hover-bg); transform: translateX(3px); }
.atlas-matrix-sub.cov-high { border-left-color: #4caf50; }
.atlas-matrix-sub.cov-medium { border-left-color: #ff9800; }
.atlas-matrix-sub.cov-low { border-left-color: #f44336; }
.atlas-matrix-sub .sub-name { color: var(--technique-item-text); line-height: 1.3; }
.atlas-matrix-sub .sub-id { font-size: 0.65rem; color: var(--technique-id-text); }
.atlas-matrix-sub .cell-badge { font-size: 0.6rem; padding: 0.05rem 0.3rem; border-radius: 0.75rem; display: inline-block; margin-top: 0.1rem; font-weight: 600; }

/* Search & cross-highlight */
/* Partial match: subtle outline only */
.atlas-matrix-cell.search-match, .atlas-matrix-sub.search-match { outline: 1.5px solid var(--search-focus-ring); outline-offset: -1px; z-index: 2; position: relative; }
@keyframes searchPulse { 0%,100% { box-shadow: 0 0 10px 2px var(--search-focus-ring); } 50% { box-shadow: 0 0 22px 6px var(--search-focus-ring); } }
/* Exact match: full glow + pulse */
.atlas-matrix-cell.search-exact-match, .atlas-matrix-sub.search-exact-match { outline-width: 2.5px; box-shadow: 0 0 10px 2px var(--search-focus-ring); animation: searchPulse 1.2s ease-in-out infinite; }
.atlas-matrix-cell.search-dim { opacity: 0.3; transition: opacity 0.2s ease; }
.atlas-matrix-sub.search-dim { opacity: 0.3; transition: opacity 0.2s ease; }
.atlas-matrix-cell.cross-highlight {
    background-color: var(--technique-item-hover-bg);
    box-shadow: 0 0 0 2px var(--link-color), 0 3px 10px rgba(0,0,0,0.15);
    transform: translateY(-2px); z-index: 2;
}
.atlas-matrix-cell.cross-dim { opacity: 0.35; transition: opacity 0.25s ease; }

/* Off-screen match scroll indicators */
/* Scroll edge fade hints */
.atlas-scroll-wrapper { position: relative; }
.atlas-scroll-wrapper::before,
.atlas-scroll-wrapper::after {
    content: ''; position: absolute; top: 0; bottom: 0.75rem; width: 48px;
    z-index: 10; pointer-events: none;
    transition: opacity 0.35s ease;
}
.atlas-scroll-wrapper::before {
    left: 0; opacity: 0;
    background: linear-gradient(to right, var(--bg-color) 0%, transparent 100%);
}
.atlas-scroll-wrapper::after {
    right: 0; opacity: 0;
    background: linear-gradient(to left, var(--bg-color) 0%, transparent 100%);
}
.atlas-scroll-wrapper.can-scroll-left::before { opacity: 1; }
.atlas-scroll-wrapper.can-scroll-right::after { opacity: 1; }

.atlas-scroll-hint {
    position: absolute; z-index: 11;
    top: 300px; /* JS overrides this to stay in visible viewport */
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--column-bg); border: 1px solid var(--column-border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; opacity: 0; pointer-events: none;
    transition: opacity 0.35s ease, background-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.atlas-scroll-hint svg { width: 20px; height: 20px; stroke: var(--text-secondary-color); stroke-width: 2.5; fill: none; }
.atlas-scroll-hint:hover { background: var(--technique-item-hover-bg); box-shadow: 0 3px 12px rgba(0,0,0,0.35); }
.atlas-scroll-hint:hover svg { stroke: var(--text-color); }
.atlas-scroll-hint:active { transform: scale(0.92); }
.atlas-scroll-hint.hint-left { left: 6px; }
.atlas-scroll-hint.hint-right { right: 6px; }
@keyframes hintPulse {
    0%, 100% { box-shadow: 0 2px 8px rgba(0,0,0,0.25); }
    50% { box-shadow: 0 0 14px 3px var(--search-focus-ring); }
}
.atlas-scroll-wrapper.can-scroll-left .hint-left { opacity: 0.85; pointer-events: auto; }
.atlas-scroll-wrapper.can-scroll-right .hint-right { opacity: 0.85; pointer-events: auto; }
.atlas-scroll-hint.hint-pulse { animation: hintPulse 1.5s ease-in-out infinite; }
.atlas-scroll-wrapper.has-offscreen-matches .hint-left,
.atlas-scroll-wrapper.has-offscreen-matches .hint-right { opacity: 0; pointer-events: none; }
.atlas-scroll-wrapper.has-offscreen-matches::before,
.atlas-scroll-wrapper.has-offscreen-matches::after { opacity: 0; }
@media (max-width: 768px) {
    .atlas-scroll-wrapper::before, .atlas-scroll-wrapper::after { width: 32px; }
    .atlas-scroll-hint { width: 38px; height: 38px; }
    .atlas-scroll-hint svg { width: 18px; height: 18px; }
    .atlas-scroll-hint.hint-left { left: 4px; }
    .atlas-scroll-hint.hint-right { right: 4px; }
}
.atlas-scroll-indicator {
    position: fixed; z-index: 100;
    background: var(--search-focus-ring); color: #fff;
    padding: 0.5rem 0.85rem; border-radius: 1.25rem;
    font-size: 0.85rem; font-weight: 700; cursor: pointer;
    opacity: 0; pointer-events: none; white-space: nowrap;
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
    transition: opacity 0.25s ease, transform 0.15s ease;
    min-width: 2.75rem; min-height: 2.75rem;
    display: flex; align-items: center; justify-content: center;
    touch-action: manipulation; user-select: none;
}
.atlas-scroll-indicator.visible { opacity: 0.95; pointer-events: auto; }
.atlas-scroll-indicator:hover { opacity: 1; transform: translateY(-50%) scale(1.08); }
.atlas-scroll-indicator:active { transform: translateY(-50%) scale(0.95); }
@media (max-width: 768px) {
    .atlas-scroll-indicator { padding: 0.55rem 0.9rem; font-size: 0.9rem; min-width: 3rem; min-height: 3rem; }
}

/* Atlas Defense Modal */
.modal-content .fw-subgroup-techniques { list-style: none; padding: 0; margin: 0; }
.modal-content .fw-subgroup-techniques .technique-container { list-style: none; margin-bottom: 0; min-width: 150px; }
.modal-content .fw-subgroup { padding: 0 0 0.75rem 0; }
.modal-content .fw-subgroup:first-child .fw-subgroup-header { padding-top: 0; }
.modal-content .fw-subgroup:last-child { padding-bottom: 0; }
.atlas-defense-empty { text-align: center; padding: 1.5rem; color: var(--text-secondary-color); font-size: 0.85rem; }
.atlas-no-defense-note { text-align: center; padding: 0 1.5rem 1rem; color: var(--text-secondary-color); font-size: 0.8rem; font-style: italic; opacity: 0.75; line-height: 1.5; }

.technique-id {
    font-weight: 500;
    color: var(--technique-id-text);
    font-size: 0.75rem;
    margin-right: 0.35rem;
    display: block;
    margin-bottom: 0.125rem;
}

.technique-name {
    font-weight: 500;
    max-width: 140px;
    overflow-wrap: break-word;
}

.technique-item.no-sub .technique-name {
    max-width: 100%;
    /* Or you could set a larger value like '100%' */
}

.expand-icon {
    position: absolute;
    /* Add this */
    right: 0.1rem;
    /* Add this: Positions it 1rem from the right edge */
    top: 50%;
    /* Add this: Centers it vertically */
    transform: translateY(-50%);
    /* Add this: Fine-tunes vertical centering */
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    transition: transform 0.3s ease;
}

.expand-icon.expanded {
    transform: rotate(45deg);
}

.sub-technique-list {
    list-style-type: none;
    padding: 0 12px 0 1rem;
    margin-top: 0.5rem;
    margin-left: 0.75rem;
    margin-right: -12px;
    border-left: 2px solid transparent;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.sub-technique-list.expanded {
    max-height: 1000px;
    padding-top: 8px;
    padding-bottom: 8px;
    margin-top: calc(0.5rem - 8px);
    border-left-color: var(--technique-item-border);
}

.subtechnique-item {
    display: block;
    background-color: var(--subtechnique-bg);
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
    color: var(--technique-item-hover-text);
    border-radius: 0.375rem;
    /* Removed the thick left border to rely on the list's border */
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.subtechnique-item:hover {
    background-color: var(--technique-item-hover-bg);
    color: var(--technique-item-hover-text);
    transform: translateX(3px);
}

.subtechnique-item .technique-id {
    font-size: 0.7rem;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--modal-content-bg);
    color: var(--text-color);
    padding: 2rem;
    border-radius: 0.5rem;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
    transform: scale(0.95);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

/* Slide transitions for sibling navigation */
.modal-content.slide-in-left {
    animation: slideInLeft 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.modal-content.slide-in-right {
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
/* Gentle crossfade for rapid navigation (held key) */
.modal-content.crossfade {
    animation: crossfade 0.15s ease-out forwards;
}
@keyframes slideInLeft {
    0%   { transform: translateX(40%); opacity: 0.3; }
    100% { transform: translateX(0); opacity: 1; }
}
@keyframes slideInRight {
    0%   { transform: translateX(-40%); opacity: 0.3; }
    100% { transform: translateX(0); opacity: 1; }
}
@keyframes crossfade {
    0%   { opacity: 0.5; }
    100% { opacity: 1; }
}

.modal-content h2.modal-main-title {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 1rem;
    /* Reduced margin */
    color: var(--column-header-hover-text);
}

.modal-content h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--column-header-hover-text);
}

.modal-subtitle {
    padding-right: 5.5rem;
}

.modal-content h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.modal-content h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.modal-content h5 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.modal-content p,
.modal-content .technique-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.modal-content ul {
    list-style-type: disc;
    margin-left: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.modal-content ul ul {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Controls line spacing for list items including defendsAgainst items */
.modal-content li {
    margin-bottom: 0.25rem;
}

.modal-content a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
}

.modal-content a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

.modal-content code {
    font-family: monospace;
    background-color: var(--search-bg);
    padding: 0.1rem 0.3rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
}

.modal-content pre {
    background-color: var(--search-bg);
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin: 0.5rem 0;
    overflow-x: auto;
}

.modal-content pre code {
    padding: 0;
    background: none;
}

.modal-close-button {
    position: relative;
    background: transparent;
    border: none;
    font-size: 1.1rem;
    color: var(--text-secondary-color);
    cursor: pointer;
    line-height: 1;
    transition: opacity 0.2s ease, color 0.2s ease, background-color 0.15s ease;
    padding: 0;
    width: 1.75rem;
    height: 1.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.35rem;
    opacity: 0.4;
}

.modal-close-button:hover {
    opacity: 1;
    color: var(--search-focus-ring);
    background-color: var(--view-switcher-bg);
}

@media (max-width: 480px) {
    .modal-content {
        padding: 1.25rem 1rem;
    }
    .modal-close-button {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 1.1rem;
    }
    .modal-content h2 {
        font-size: 1.2rem;
    }
    .modal-subtitle {
        padding-right: 4rem;
    }
}

/* --- Modal header bar (copy, link, close — unified row) --- */
.modal-header-bar {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.15rem;
    z-index: 2;
}
.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}
.modal-header-actions:empty {
    display: none;
}
.copy-btn, .link-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0.3rem;
    border: none;
    background: transparent;
    color: var(--text-secondary-color);
    cursor: pointer;
    opacity: 0.4;
    transition: opacity 0.2s ease, color 0.2s ease, background-color 0.15s ease;
    border-radius: 0.35rem;
}
.copy-btn:hover, .link-btn:hover {
    opacity: 1;
    color: var(--search-focus-ring);
    background-color: var(--view-switcher-bg);
}
.copy-btn svg, .link-btn svg {
    width: 1rem;
    height: 1rem;
}
.copy-btn.copied, .link-btn.copied {
    opacity: 1;
    color: #4caf50;
}
@media (max-width: 480px) {
    .modal-header-bar {
        top: 0.5rem;
        right: 0.5rem;
    }
    .copy-btn, .link-btn {
        width: 1.5rem;
        height: 1.5rem;
        padding: 0.2rem;
    }
    .copy-btn svg, .link-btn svg {
        width: 0.85rem;
        height: 0.85rem;
    }
}
.copy-toast {
    position: fixed;
    z-index: 100000;
    background: #4caf50;
    color: #fff;
    padding: 0.2rem 0.55rem;
    border-radius: 0.3rem;
    font-size: 0.65rem;
    font-weight: 600;
    white-space: nowrap;
    pointer-events: none;
    animation: toastPop 1.5s ease forwards;
    box-shadow: 0 2px 8px rgba(76,175,80,0.3);
}
@keyframes toastPop {
    0% { opacity: 0; transform: translateX(-50%) translateY(3px); }
    12% { opacity: 1; transform: translateX(-50%) translateY(0); }
    80% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-3px); }
}
.guidance-accordion-content-inner pre {
    position: relative;
}
.code-copy-btn {
    position: absolute;
    top: 0.4rem;
    right: 0.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem;
    border: 1px solid var(--column-border);
    border-radius: 0.35rem;
    background-color: var(--column-bg);
    color: var(--text-secondary-color);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease, background-color 0.15s ease, color 0.15s ease;
    z-index: 2;
}
.guidance-accordion-content-inner pre:hover .code-copy-btn {
    opacity: 0.85;
}
.code-copy-btn:hover {
    opacity: 1 !important;
    background-color: var(--view-switcher-bg);
}
.code-copy-btn svg {
    width: 0.75rem;
    height: 0.75rem;
}
.code-copy-btn.copied {
    opacity: 1 !important;
    color: #4caf50;
    border-color: #4caf50;
}
@media (max-width: 768px) {
    .code-copy-btn { opacity: 0.7; }
}

/* Framework title styling (MITRE ATLAS, MAESTRO, OWASP, etc.)
   - font-size: controls title size
   - margin-bottom: controls gap between title and first item */
.modal-content p.defends-against-framework {
    font-size: 1rem;
    font-weight: 600;
    color: var(--technique-item-text);
    opacity: 0.9;
    margin-bottom: 0;
}

/* Defends Against list items styling
   - font-size: controls item text size
   - border-spacing: controls gap between items (vertical)
   - line-height: controls line height within each item */
.defends-against-list {
    display: table;
    border-collapse: separate;
    border-spacing: 0 8px;
    margin-left: 1rem;
    font-size: 0.875rem;
    line-height: 1.7;
}

.defends-against-item {
    display: table-row;
}

.defends-against-item::before {
    content: '•';
    display: table-cell;
    width: 1rem;
    text-align: left;
}

.defends-against-item-text {
    display: table-cell;
}

.site-footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 1rem 1rem;
    text-align: center;
    font-size: 0.875rem;
    border-top: 1px solid var(--footer-border);
    margin-top: auto;
}

.site-footer p {
    margin-bottom: 0.25rem;
    line-height: 1.5;
}

.accordion-item {
    border-bottom: 1px solid var(--header-border);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0.5rem;
    cursor: pointer;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-color);
    transition: color 0.2s ease;
}

.accordion-header:hover {
    color: var(--column-header-hover-text);
}

.accordion-icon {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform 0.3s ease-in-out;
    flex-shrink: 0;
    margin-left: 1rem;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-secondary-color);
}

.accordion-content-inner {
    padding: 0 0.5rem 1.25rem 0.5rem;
}

.guidance-accordion-container {
    margin-top: 0.5rem;
}

.guidance-accordion-item {
    border-bottom: 1px solid var(--column-border);
}

.guidance-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
}

.guidance-accordion-header:hover {
    color: var(--technique-item-hover-text);
}

.guidance-accordion-icon {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease-in-out;
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.guidance-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
}

.guidance-accordion-content-inner {
    padding: 0.5rem 0.5rem 1rem 1rem;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary-color);
}

.warning-note {
    background-color: #f0f4f8;
    border-left: 4px solid #4a90e2;
    padding: 12px 18px;
    margin: 16px 0;
    border-radius: 4px;
    font-size: 0.9em;
    line-height: 1.6;
}

.warning-note p {
    margin: 0;
    padding: 0;
}

.warning-note strong {
    color: var(--text-color);
}

.view-switcher-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.view-by-label {
    color: var(--text-color);
    transition: color 0.2s ease;
}

.view-by-label:hover {
    color: var(--column-header-hover-text);
}

.view-switcher {
    background-color: var(--view-switcher-bg);
    border-radius: 0.5rem;
    padding: 0.25rem;
    display: inline-flex;
    align-items: center;
}

@media (max-width: 768px) {
    #header-controls {
        justify-content: center;
    }
    #view-switcher-container {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 400px) {
    .search-container {
        min-width: 100% !important;
    }
}

/* Narrow screen: split view switcher into two rows */
@media (max-width: 440px) {
    .view-switcher-container {
        width: 100%;
    }
    /* Hide the original unified pill bar */
    .view-switcher {
        display: none;
    }
    /* Show the narrow-screen version (injected by JS) */
    .view-switcher-narrow {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        gap: 0.3rem;
        width: 100%;
    }
    .view-switcher-narrow .vsn-row {
        background-color: var(--view-switcher-bg);
        border-radius: 0.5rem;
        padding: 0.25rem;
        display: inline-flex;
        align-items: center;
    }
}
@media (min-width: 441px) {
    .view-switcher-narrow {
        display: none !important;
    }
}


.view-switcher-btn {
    padding: 0.5rem 1rem;
    border: none;
    background-color: var(--view-switcher-btn-bg);
    color: var(--view-switcher-btn-text);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    margin: 0 0.125rem;
}

.view-switcher-btn.active {
    background-color: var(--view-switcher-btn-active-bg);
    color: var(--view-switcher-btn-active-text);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.view-info-tabs {
    display: flex;
    border-bottom: 1px solid var(--column-border);
    margin-bottom: 1.5rem;
}

.view-info-tab {
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    background-color: transparent;
    color: var(--text-secondary-color);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.2s, border-color 0.2s;
}

.view-info-tab:hover {
    color: var(--text-color);
}

.view-info-tab.active {
    color: var(--technique-item-text);
    border-bottom-color: var(--technique-item-text);
}

.view-info-tab-content {
    display: none;
}

.view-info-tab-content.active {
    display: block;
}

.view-info-card {
    background-color: var(--technique-item-bg);
    border: 1px solid var(--technique-item-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
}

.view-info-card h3 {
    color: var(--technique-item-text);
    font-size: 1.25rem;
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.view-info-card .view-question {
    color: var(--technique-item-text);
    margin-bottom: 1rem;
    display: block;
}

.view-info-card .view-focus-text {
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.view-info-card .view-detail {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1rem;
}

.view-info-card .view-detail-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--technique-item-text);
    margin-top: 0.125rem;
}

.view-info-card .view-detail-content {
    font-size: 0.9rem;
    line-height: 1.6;
}

.view-info-card .view-detail-content strong {
    color: var(--text-color);
    font-weight: 600;
}

@media (max-width: 768px) {
    .view-cards-container {
        grid-template-columns: 1fr;
    }
}

/* --- Framework View Styles --- */
.framework-selector {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.framework-selector-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary-color);
    white-space: nowrap;
}

.framework-selector select {
    background-color: var(--view-switcher-btn-bg);
    color: var(--view-switcher-btn-text);
    border: 1px solid var(--column-border);
    border-radius: 0.375rem;
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23999'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.25rem;
    max-width: 320px;
}

.framework-selector select:focus {
    outline: none;
    border-color: var(--search-focus-ring);
    box-shadow: 0 0 0 2px var(--search-focus-ring);
}

.framework-selector select:hover {
    border-color: var(--search-focus-ring);
}

@media (max-width: 640px) {
    .framework-selector {
        width: 100%;
    }
    .framework-selector select {
        max-width: 100%;
        width: 100%;
    }
}

.fw-page-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--column-header-text);
    padding: 1.25rem 1rem 0.25rem 1rem;
    margin: 0 auto;
    max-width: 1400px;
    letter-spacing: 0.01em;
}
.fw-title-link {
    display: inline-flex;
    align-items: center;
    margin-left: 0.5rem;
    color: var(--text-secondary-color);
    opacity: 0.5;
    vertical-align: middle;
    transition: opacity 0.2s ease, color 0.2s ease;
}
.fw-title-link:hover {
    opacity: 1;
    color: var(--link-color);
}
.fw-page-brief {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary-color);
    max-width: 800px;
    margin: 0.15rem auto 0.5rem auto;
    padding: 0 1rem;
    line-height: 1.5;
}
@media (max-width: 768px) {
    .fw-page-title { font-size: 1.05rem; padding: 1rem 0.75rem 0.15rem 0.75rem; }
}
@media (max-width: 480px) {
    .fw-page-title { font-size: 0.9rem; }
}

.fw-accordion-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.0rem 0.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.fw-accordion-section {
    background-color: var(--column-bg);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.fw-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    transition: color 0.2s ease;
    user-select: none;
}

.fw-accordion-header:hover {
    color: var(--column-header-hover-text);
}

.fw-accordion-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.fw-accordion-header-id {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--view-switcher-btn-active-text);
    background-color: var(--view-switcher-btn-active-bg);
    padding: 0.25rem 0.6rem;
    border-radius: 0.25rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.fw-accordion-header-name {
    font-size: 1.0rem;
    font-weight: 500;
    color: var(--column-header-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fw-accordion-header:hover .fw-accordion-header-name {
    color: var(--column-header-hover-text);
}

.fw-accordion-count {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--view-switcher-btn-active-text);
    background-color: var(--view-switcher-btn-active-bg);
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 1.5rem;
    text-align: center;
}
.fw-accordion-count-zero {
    opacity: 0.3;
}

.fw-accordion-chevron {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--text-secondary-color);
    margin-left: 0.5rem;
    position: relative;
}
.fw-accordion-chevron .expand-icon {
    position: static;
    transform: none;
}

.fw-accordion-section.expanded .fw-accordion-chevron {
    transform: rotate(90deg);
}

.fw-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.fw-accordion-body-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 1.25rem 1.25rem 1.25rem;
    list-style: none;
    margin: 0;
}

.fw-accordion-body-inner .technique-container {
    flex: 0 0 calc(25% - 0.375rem);
    min-width: 180px;
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .fw-accordion-body-inner .technique-container {
        flex: 0 0 calc(33.33% - 0.333rem);
    }
}

@media (max-width: 768px) {
    .fw-accordion-body-inner .technique-container {
        flex: 0 0 calc(50% - 0.25rem);
    }
}

@media (max-width: 480px) {
    .fw-accordion-body-inner .technique-container {
        flex: 0 0 100%;
    }
}
/* --- Sub-grouping toggle within accordion body --- */
.fw-group-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0 1.25rem 0.75rem 1.25rem;
    border-bottom: 1px solid var(--column-border);
    margin-bottom: 0.75rem;
}

.fw-group-toggle-btn {
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background-color: var(--view-switcher-btn-bg);
    color: var(--view-switcher-btn-text);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid transparent;
    white-space: nowrap;
    user-select: none;
}

.fw-group-toggle-btn:hover {
    border-color: var(--search-focus-ring);
    color: var(--column-header-hover-text);
}

.fw-group-toggle-btn.active {
    background-color: var(--view-switcher-btn-active-bg);
    color: var(--view-switcher-btn-active-text);
}

.fw-subgroup {
    padding: 0 1.25rem 0.75rem 1.25rem;
}

.fw-subgroup:last-child {
    padding-bottom: 1.25rem;
}

.fw-subgroup-header {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--technique-id-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 0 0.5rem 0;
    margin: 0;
    border-bottom: 1px solid var(--column-border);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fw-subgroup-header-count {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--view-switcher-btn-active-text);
    background-color: var(--view-switcher-btn-active-bg);
    padding: 0.05rem 0.4rem;
    border-radius: 999px;
    min-width: 1rem;
    text-align: center;
}

.fw-subgroup-techniques {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.fw-subgroup-techniques > .technique-container {
    flex: 0 0 calc(25% - 0.375rem);
    min-width: 180px;
    margin-bottom: 0;
}


@media (max-width: 1200px) {
    .fw-subgroup-techniques > .technique-container {
        flex: 0 0 calc(33.33% - 0.333rem);
    }
}

@media (max-width: 768px) {
    .fw-subgroup-techniques > .technique-container {
        flex: 0 0 calc(50% - 0.25rem);
        min-width: 160px;
    }
    .fw-group-toggle {
        padding: 0 0.75rem 0.5rem 0.75rem;
    }
    .fw-subgroup {
        padding: 0 0.75rem 0.75rem 0.75rem;
    }
}

@media (max-width: 480px) {
    .fw-subgroup-techniques > .technique-container {
        flex: 0 0 100%;
    }
    .fw-group-toggle-btn {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }
}

/* ── Hierarchical accordion (objective → technique nesting) ── */

/* Container for child technique sections inside an objective body */
.fw-child-container {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem 0.75rem;
}

/* Technique (child) level nested inside an objective */
.fw-technique-section {
    border-radius: 0.75rem;
    background-color: var(--column-bg);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.fw-technique-section > .fw-accordion-header {
    padding: 0.65rem 1rem;
}
.fw-technique-section > .fw-accordion-header .fw-accordion-header-id {
    font-size: 0.75rem;
}
.fw-technique-section > .fw-accordion-header .fw-accordion-header-name {
    font-size: 0.95rem;
}

/* Mobile: tighter nested padding */
@media (max-width: 768px) {
    .fw-child-container {
        padding: 0.375rem 0.5rem 0.5rem;
        gap: 0.25rem;
    }
    .fw-technique-section > .fw-accordion-header {
        padding: 0.5rem 0.75rem;
    }
    .fw-objective-section > .fw-accordion-header {
        padding: 0.6rem 1rem;
    }
    .fw-objective-section > .fw-accordion-header .fw-accordion-header-name {
        font-size: 0.95rem;
    }
}
@media (max-width: 480px) {
    .fw-child-container {
        padding: 0.25rem 0.375rem 0.375rem;
    }
    .fw-technique-section > .fw-accordion-header {
        padding: 0.45rem 0.6rem;
    }
    .fw-technique-section > .fw-accordion-header .fw-accordion-header-id {
        font-size: 0.7rem;
    }
    .fw-technique-section > .fw-accordion-header .fw-accordion-header-name {
        font-size: 0.85rem;
    }
}

/* --- Framework View Styles End --- */

/* === Desktop Hover Glow Enhancements (pointer devices only) === */
@media (hover: hover) {
    /* Technique cards: instant glow on hover */
    .technique-item {
        transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out, transform 0.2s ease,
                    box-shadow 0.2s ease;
    }
    .technique-item:hover,
    .header-button:hover,
    .view-switcher-btn:not(.active):hover {
        box-shadow: 0 0 8px 1.5px var(--search-focus-ring);
    }
    .technique-item.highlight-exact,
    .technique-item.highlight-exact:hover {
        box-shadow: 0 0 10px 2px var(--search-focus-ring);
    }

    /* Sub-technique cards: instant glow on hover */
    .subtechnique-item {
        transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out, transform 0.2s ease,
                    box-shadow 0.2s ease;
    }
    .subtechnique-item:hover {
        box-shadow: 0 0 6px 1px var(--search-focus-ring);
    }
    .subtechnique-item.highlight-exact,
    .subtechnique-item.highlight-exact:hover {
        box-shadow: 0 0 10px 2px var(--search-focus-ring);
    }

    /* Expand/collapse arrow: blink on hover */
    @keyframes arrowBlink {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.25; }
    }
    .expand-icon {
        transition: transform 0.3s ease, color 0.15s ease, filter 0.15s ease;
    }
    .technique-item:hover > .expand-icon {
        color: var(--search-focus-ring);
        filter: drop-shadow(0 0 4px var(--search-focus-ring)) drop-shadow(0 0 8px var(--search-focus-ring));
        animation: arrowBlink 1s ease-in-out infinite both;
    }

    /* ATLAS matrix cells: instant glow on hover */
    .atlas-matrix-cell {
        outline: 2px solid transparent;
        outline-offset: -1px;
        transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.25s ease, outline-color 0.15s ease;
    }
    .atlas-matrix-cell:hover {
        outline-color: var(--search-focus-ring);
    }
    .atlas-matrix-cell.search-match,
    .atlas-matrix-cell.search-match:hover,
    .atlas-matrix-cell.search-exact-match,
    .atlas-matrix-cell.search-exact-match:hover {
        outline-color: var(--search-focus-ring);
    }
    .atlas-matrix-sub {
        outline: 1.5px solid transparent;
        outline-offset: -1px;
        transition: background-color 0.2s ease, transform 0.2s ease, outline-color 0.15s ease;
    }
    .atlas-matrix-sub:hover {
        outline-color: var(--search-focus-ring);
    }
    .atlas-matrix-sub.search-match,
    .atlas-matrix-sub.search-match:hover,
    .atlas-matrix-sub.search-exact-match,
    .atlas-matrix-sub.search-exact-match:hover {
        outline-color: var(--search-focus-ring);
    }

    /* ATLAS expand arrow: blink on hover */
    .atlas-matrix-cell .cell-expand {
        transition: color 0.15s ease, filter 0.15s ease;
    }
    .atlas-matrix-cell:hover .cell-expand {
        color: var(--search-focus-ring);
        filter: drop-shadow(0 0 4px var(--search-focus-ring)) drop-shadow(0 0 8px var(--search-focus-ring));
        animation: arrowBlink 1s ease-in-out infinite both;
    }

    /* Header buttons: instant glow on hover */
    .header-button {
        transition: background-color 0.2s ease, color 0.2s ease,
                    box-shadow 0.2s ease;
    }
    /* View switcher buttons: instant glow on hover */
    .view-switcher-btn {
        transition: background-color 0.2s ease, color 0.2s ease,
                    box-shadow 0.2s ease;
    }
}

/* === Two-Phase Loading: Skeleton & Modal States === */

/* Search bar disabled state during skeleton phase */
.search-loading {
    opacity: 0.45;
    pointer-events: none;
    cursor: default;
}

/* Modal loading wrapper — positions spinner over blurred text */
.modal-loading-wrap {
    position: relative;
    min-height: 350px;
}

/* Modal loading placeholder — blurred fake text fills the modal */
.modal-loading-placeholder {
    filter: blur(6px);
    user-select: none;
    pointer-events: none;
    color: var(--text-secondary, #888);
    line-height: 1.9;
    font-size: 0.9rem;
}

/* Modal loading spinner — centered over the blurred text */
.modal-loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--text-color, #ccc);
    font-size: 0.875rem;
    z-index: 1;
}
.modal-loading-spinner p {
    margin-top: 0.75rem;
    opacity: 0.85;
}

/* CSS-only spinner */
.skeleton-spinner {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-color, #333);
    border-top-color: var(--search-focus-ring, #6366f1);
    border-radius: 50%;
    animation: skeletonSpin 0.8s linear infinite;
}
@keyframes skeletonSpin {
    to { transform: rotate(360deg); }
}

/* ─── Feature: Column Scroll Navigation Buttons ─── */
.column-nav-btn {
    position: fixed;
    right: 1.5rem;
    z-index: 900;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--column-bg);
    color: var(--text-color);
    cursor: pointer;
    display: none; /* hidden by default, shown via JS */
    align-items: center;
    justify-content: center;
    opacity: 0.35;
    transition: opacity 0.3s ease, transform 0.15s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    pointer-events: auto;
}
.column-nav-btn.visible {
    display: flex;
}
.column-nav-btn:hover {
    opacity: 0.9;
    transform: scale(1.1);
}
.column-nav-btn.up { bottom: 6.5rem; }
.column-nav-btn.down { bottom: 3rem; }
.column-nav-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
@keyframes navPulse {
    0%, 100% { box-shadow: 0 2px 8px rgba(0,0,0,0.25); }
    50% { box-shadow: 0 0 14px 3px var(--search-focus-ring); }
}
.column-nav-btn.pulse {
    animation: navPulse 1.5s ease-in-out infinite;
    animation-name: navPulse;
}

@media (max-width: 768px) {
    .column-nav-btn { width: 38px; height: 38px; right: 0.75rem; }
    .column-nav-btn.up { bottom: 5.5rem; }
    .column-nav-btn.down { bottom: 2.5rem; }
}
@media (max-width: 480px) {
    .column-nav-btn { width: 34px; height: 34px; right: 0.5rem; }
    .column-nav-btn.up { bottom: 5rem; }
    .column-nav-btn.down { bottom: 2rem; }
}