/* Shared UI primitives for page titles, controls, panels, and shell actions. */
:root {
    --dna-radius: 8px;
    --dna-radius-sm: 6px;
    --dna-focus: 0 0 0 3px rgba(37, 99, 235, 0.22);
    --dna-control-height: 40px;
    --dna-transition: 160ms ease;
    --dna-font-global: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --dna-font-sidebar: "Roboto", Arial, system-ui, sans-serif;
    --dna-font-mobile-action: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --dna-font-logo-tools: "Outfit", "Inter", system-ui, sans-serif;
    --dna-font-logo-brand: "Lilita One", "Outfit", "Inter", system-ui, sans-serif;
}

body {
    font-family: var(--dna-font-global);
    font-weight: 500;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

.dna-page-title {
    min-width: 0;
    flex: 1 1 auto;
    color: #eef5ff;
    font-size: clamp(1.02rem, 1.45vw, 1.34rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 0;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dna-header .dna-logo-tools,
.dna-header .dna-logo-brand,
.dna-header .dna-brand-dna {
    letter-spacing: 0 !important;
}

.dna-header .dna-logo-tools {
    font-family: var(--dna-font-logo-tools) !important;
    font-size: 30px !important;
    font-weight: 500 !important;
}

.dna-header .dna-logo-brand {
    font-family: var(--dna-font-logo-brand) !important;
    display: inline-flex !important;
    align-items: baseline !important;
    gap: 0 !important;
    font-size: 36px !important;
    font-weight: 400 !important;
    letter-spacing: -1px !important;
}

.dna-header .dna-brand-dna {
    font-family: var(--dna-font-logo-brand) !important;
    display: inline-flex !important;
    align-items: baseline !important;
    gap: 0 !important;
    margin-right: 3px !important;
    padding-right: 2px !important;
    letter-spacing: 0 !important;
    line-height: .88 !important;
    transform: translateY(1px);
    animation: none !important;
}

.dna-header .dna-brand-part {
    display: inline-block;
    color: currentColor;
    -webkit-text-fill-color: currentColor;
    line-height: .88;
}

.dna-header .dna-brand-d {
    margin-right: -5px;
    animation: dnaLogoWaveD 4.8s ease-in-out infinite;
}

.dna-header .dna-brand-n {
    position: relative;
    z-index: 2;
    margin-right: -6px;
    -webkit-text-stroke: 3.25px #ffffff;
    paint-order: stroke fill;
    text-shadow:
        0 .5px 0 rgba(255, 255, 255, .95),
        .45px 0 0 rgba(255, 255, 255, .9),
        -.45px 0 0 rgba(255, 255, 255, .9);
    transform: translate(-1px, -1px);
    animation: dnaLogoWaveN 4.8s ease-in-out infinite;
}

.dna-header .dna-brand-a {
    position: relative;
    z-index: 1;
    margin-right: 0;
    animation: dnaLogoWaveA 4.8s ease-in-out infinite;
}

@keyframes dnaLogoWaveD {
    0%,
    100% {
        color: #8b5cf6;
    }

    12.5%,
    87.5% {
        color: #2563eb;
    }

    25%,
    50%,
    75% {
        color: #60a5fa;
    }
}

@keyframes dnaLogoWaveN {
    0%,
    50%,
    100% {
        color: #60a5fa;
    }

    12.5%,
    37.5%,
    62.5%,
    87.5% {
        color: #2563eb;
    }

    25%,
    75% {
        color: #8b5cf6;
    }
}

@keyframes dnaLogoWaveA {
    0%,
    25%,
    75%,
    100% {
        color: #60a5fa;
    }

    37.5%,
    62.5% {
        color: #2563eb;
    }

    50% {
        color: #8b5cf6;
    }
}

body:not(.theme-dark) .dna-page-title {
    color: #102033;
}

.dna-btn,
.dna-icon-btn,
.layout-side-toggle {
    min-height: var(--dna-control-height);
    border: 1px solid rgba(96, 165, 250, 0.24);
    border-radius: var(--dna-radius);
    background: rgba(255, 255, 255, 0.07);
    color: #eef5ff;
    font: inherit;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
    transition: background var(--dna-transition), border-color var(--dna-transition), color var(--dna-transition), transform var(--dna-transition);
}

.dna-icon-btn {
    width: 42px;
    padding: 0;
    display: inline-grid;
    place-items: center;
}

.dna-btn:focus-visible,
.dna-icon-btn:focus-visible,
.layout-side-toggle:focus-visible {
    outline: 0;
    box-shadow: var(--dna-focus);
}

.layout-side-toggle {
    position: fixed;
    top: 50%;
    z-index: 45;
    width: 38px;
    height: 58px;
    display: grid;
    place-items: center;
    padding: 0;
    border-radius: 0 var(--dna-radius) var(--dna-radius) 0;
    background: rgba(15, 23, 42, 0.92);
    box-shadow: 0 14px 34px rgba(2, 6, 23, 0.22);
    transform: translateY(-50%);
}

.layout-side-toggle[data-side="right"],
.layout-side-toggle[data-toolhome-panel-toggle="right"],
.layout-side-toggle[data-toolpage-panel-toggle="right"] {
    right: 0;
    left: auto;
    border-radius: var(--dna-radius) 0 0 var(--dna-radius);
}

.layout-side-toggle[data-side="left"],
.layout-side-toggle[data-toolhome-panel-toggle="left"],
.layout-side-toggle[data-toolpage-panel-toggle="left"] {
    left: 0;
    right: auto;
}

.layout-side-toggle:hover {
    border-color: rgba(96, 165, 250, 0.52);
    color: #93c5fd;
}

body:not(.theme-dark) .dna-btn,
body:not(.theme-dark) .dna-icon-btn,
body:not(.theme-dark) .layout-side-toggle {
    background: rgba(255, 255, 255, 0.94);
    border-color: rgba(29, 55, 88, 0.16);
    color: #1769e8;
    box-shadow: 0 12px 28px rgba(31, 53, 83, 0.11);
}

.dna-header-container {
    display: grid !important;
    grid-template-columns: auto minmax(0, 1fr) auto !important;
    grid-template-areas: "logo title actions" !important;
    gap: 18px !important;
}

.dna-logo {
    grid-area: logo;
}

.dna-header .dna-logo,
.dna-header .dna-word-logo {
    gap: 0 !important;
}

.dna-page-title {
    grid-area: title;
}

.dna-actions {
    grid-area: actions;
}

.dna-nav,
.dna-bookmark-hint,
.mobile-menu-btn {
    display: none !important;
}

.side-rail-head {
    font-family: var(--dna-font-sidebar);
    min-height: 62px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 52px;
    align-items: stretch;
    margin: -18px -10px 16px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(8, 13, 28, 0.96);
}

.side-rail-brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
    border: 0;
    background: transparent;
    color: #f8fbff;
    font: inherit;
    text-decoration: none;
    overflow: hidden;
    cursor: pointer;
}

.side-rail-logo {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: linear-gradient(135deg, #2563eb, #20d3c2);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 900;
}

.side-rail-name {
    overflow: hidden;
    color: #e9f0fa;
    font-size: 0.95rem;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body:not(.theme-dark) .side-rail-head {
    border-bottom-color: rgba(29, 55, 88, 0.12);
    background: #f8fbff;
}

body:not(.theme-dark) .side-rail-brand,
body:not(.theme-dark) .side-rail-name {
    color: #102033;
}

body:not(.theme-dark) .side-rail-logo {
    border: 1px solid rgba(23, 105, 232, 0.16);
    background: linear-gradient(135deg, #e6f1ff, #d9fbef);
    color: #1769e8;
}

body:not(.theme-dark) .sidebar-collapse-toggle {
    border-left-color: rgba(29, 55, 88, 0.12);
    background: #f8fbff;
    color: #102033;
}

body:not(.theme-dark) .sidebar-collapse-toggle:hover,
body:not(.theme-dark) .sidebar-collapse-toggle:focus-visible {
    color: #1769e8;
    background: #edf6ff;
}

.sidebar-collapse-toggle {
    font-family: var(--dna-font-sidebar);
    width: 52px;
    min-height: 62px;
    display: grid;
    place-items: center;
    border: 0;
    border-left: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(255, 255, 255, 0.04);
    color: #dbe7f7;
    font-size: 1.05rem;
    cursor: pointer;
}

.sidebar-collapse-toggle:hover,
.sidebar-collapse-toggle:focus-visible {
    color: #ffffff;
    background: rgba(96, 165, 250, 0.16);
    outline: 0;
}

@media (max-width: 900px) {
    body {
        padding-top: 158px;
    }

    .dna-page-title {
        width: 100%;
        margin-top: 3px;
        padding-bottom: 2px;
        text-align: center;
        font-size: 0.92rem;
        font-weight: 800;
        line-height: 1.35;
    }

    .dna-header-container {
        grid-template-columns: minmax(0, 1fr) auto !important;
        grid-template-areas:
            "logo actions"
            "title title" !important;
        gap: 10px 10px !important;
        min-height: 104px !important;
        padding-block: 13px 11px !important;
        overflow: visible !important;
    }

    .dna-actions {
        display: flex !important;
    }

    .searchpage-mobile-rail {
        position: sticky;
        top: 10px;
        z-index: 14;
        display: grid !important;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
        margin: 0 0 14px;
        padding: 8px;
        border: 1px solid rgba(96, 165, 250, 0.18);
        border-radius: var(--dna-radius);
        background: rgba(11, 18, 33, 0.82);
        backdrop-filter: blur(16px);
        box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
    }

    .searchpage-mobile-rail .mobile-rail-button {
        min-height: 38px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 0 10px;
        border: 1px solid rgba(96, 165, 250, 0.18);
        border-radius: var(--dna-radius);
        background: rgba(19, 30, 49, 0.9);
        color: #eef5ff;
        font-size: 0.79rem;
        font-weight: 850;
        text-decoration: none;
        white-space: nowrap;
    }

    .searchpage-mobile-rail .mobile-rail-button.is-link {
        background: linear-gradient(135deg, rgba(31, 120, 255, 0.24), rgba(56, 213, 255, 0.12));
    }

    .tool-sidebar .side-rail-head,
    .toolhome-leftbar .side-rail-head,
    .sitehub-leftbar .side-rail-head,
    .searchpage-leftbar .side-rail-head {
        display: none !important;
    }

    .layout-side-toggle {
        top: clamp(250px, 34dvh, 320px);
        bottom: auto;
        z-index: 880;
        width: 42px;
        height: 52px;
        border-radius: var(--dna-radius);
        transform: translateY(-50%);
    }

    .layout-side-toggle[data-side="left"],
    .layout-side-toggle[data-toolhome-panel-toggle="left"],
    .layout-side-toggle[data-toolpage-panel-toggle="left"] {
        left: 12px;
    }

    .layout-side-toggle[data-side="right"],
    .layout-side-toggle[data-toolhome-panel-toggle="right"],
    .layout-side-toggle[data-toolpage-panel-toggle="right"] {
        right: 12px;
        left: auto;
    }
}

@media (max-width: 900px) {
    body.announcement-hidden {
        padding-top: 104px !important;
    }

    .dna-announcement {
        top: 104px !important;
    }

    .mobile-tool-rail,
    .toolhome-mobile-rail,
    .sitehub-mobile-rail,
    .searchpage-mobile-rail {
        margin-top: 5px !important;
    }
}

@media (max-width: 900px) {
    .mobile-tool-rail,
    .toolhome-mobile-rail,
    .sitehub-mobile-rail,
    .searchpage-mobile-rail {
        font-family: var(--dna-font-mobile-action) !important;
    }

    .mobile-rail-button,
    .toolhome-mobile-button,
    .sitehub-mobile-button,
    .searchpage-mobile-rail .mobile-rail-button,
    .mobile-share-flip,
    .mobile-share-flip .mobile-share-face {
        font-family: var(--dna-font-mobile-action) !important;
        font-size: 0.84rem !important;
        font-weight: 800 !important;
        line-height: 1 !important;
        letter-spacing: 0 !important;
    }

    .mobile-rail-button i,
    .toolhome-mobile-button i,
    .sitehub-mobile-button i,
    .searchpage-mobile-rail .mobile-rail-button i,
    .mobile-share-flip i {
        font-size: 0.86rem !important;
        line-height: 1 !important;
    }
}