:root {
    --bg: #0a0a0a;
    --bg-elev: #141414;
    --bg-elev-2: #1c1c1c;
    --bg-elev-3: #242424;
    --border: #2a2a2a;
    --border-soft: #1f1f1f;
    --text: #f5f5f5;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    --accent: #dc2626;
    --accent-hover: #b91c1c;
    --accent-soft: rgba(220, 38, 38, 0.14);
    --accent-ink: #fca5a5;
    --warn: #f59e0b;
    --warn-soft: rgba(245, 158, 11, 0.14);
    --ok: #16a34a;
    --ok-soft: rgba(22, 163, 74, 0.14);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.14);
    --violet: #a78bfa;
    --violet-soft: rgba(167, 139, 250, 0.14);

    --radius: 10px;
    --radius-sm: 8px;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 10px 30px rgba(0, 0, 0, 0.45);

    --font-display: 'Saira Stencil One', 'Saira', sans-serif;
    --font-body: 'Saira', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

    --sidebar-w: 272px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    display: flex;
    height: 100vh;
    overflow: hidden;
}

::selection {
    background: var(--accent);
    color: #fff;
}

svg {
    display: block;
}



.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--bg-elev);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 18px 18px 16px;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: var(--text);
}

.brand-mark {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: var(--accent);
    clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.brand-text {
    line-height: 1.1;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    letter-spacing: 0.06em;
    color: var(--text);
}

.brand-sub {
    font-size: 10.5px;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 2px;
}

.nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 12px 18px;
}

.nav::-webkit-scrollbar {
    width: 8px;
}

.nav::-webkit-scrollbar-thumb {
    background: var(--bg-elev-3);
    border-radius: 8px;
}

.home-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted);
    text-decoration: none;
    transition: background .14s, color .14s;
    margin-bottom: 4px;
}

.home-link svg {
    width: 18px;
    height: 18px;
    opacity: .8;
}

.home-link span {
    font-size: 13.5px;
    font-weight: 500;
}

.home-link:hover {
    background: var(--bg-elev-2);
    color: var(--text);
}

.home-link.active {
    background: var(--accent);
    color: #fff;
}

.home-link.active svg {
    opacity: 1;
}

.nav-label {
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 14px 12px 6px;
    font-weight: 600;
}

.folder {
    margin-bottom: 2px;
}

.folder-head {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    user-select: none;
    transition: background .14s;
}

.folder-head:hover {
    background: var(--bg-elev-2);
}

.folder.open .folder-head {
    background: var(--bg-elev-2);
}

.folder-head .fic {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
}

.folder-head .fic svg {
    width: 16px;
    height: 16px;
}

.fic-cad {
    background: var(--accent-soft);
    color: var(--accent-ink);
}

.fic-sol {
    background: var(--warn-soft);
    color: var(--warn);
}

.fic-vis {
    background: var(--violet-soft);
    color: var(--violet);
}

.folder-head .txt {
    flex: 1;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
}

.folder-head .count {
    font-size: 10.5px;
    color: var(--text-muted);
    background: var(--bg-elev-3);
    border-radius: 20px;
    padding: 2px 8px;
    font-weight: 600;
}

.folder-head .chev {
    width: 13px;
    height: 13px;
    transition: transform .2s;
    opacity: .5;
    flex-shrink: 0;
    color: var(--text-muted);
}

.folder.open .folder-head .chev {
    transform: rotate(90deg);
}

.folder-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s cubic-bezier(.4, 0, .2, 1);
}

.folder.open .folder-body {
    max-height: 3000px;
}

.subfolder {
    margin: 1px 0;
}

.subfolder-head {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 12px 7px 40px;
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    transition: background .13s;
    position: relative;
}

.subfolder-head:hover {
    background: var(--bg-elev-2);
}

.subfolder-head .gdot {
    position: absolute;
    left: 24px;
    width: 7px;
    height: 7px;
    border-radius: 2px;
}

.subfolder-head .gl {
    flex: 1;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.subfolder-head .gc {
    font-size: 10px;
    color: var(--text-dim);
    font-weight: 600;
    background: var(--bg-elev-3);
    border-radius: 20px;
    padding: 1px 7px;
}

.subfolder-head .gchev {
    width: 11px;
    height: 11px;
    opacity: .4;
    transition: transform .2s;
    flex-shrink: 0;
    color: var(--text-muted);
}

.subfolder.open .subfolder-head .gchev {
    transform: rotate(90deg);
}

.subfolder-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
}

.subfolder.open .subfolder-body {
    max-height: 900px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 7px 12px 7px 50px;
    font-size: 12.7px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background .13s, color .13s;
    position: relative;
    text-decoration: none;
}

.nav-item::before {
    content: "";
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--bg-elev-3);
    transition: background .13s;
}

.nav-item:hover {
    background: var(--bg-elev-2);
    color: var(--text);
}

.nav-item.active {
    background: var(--accent-soft);
    color: var(--accent-ink);
    font-weight: 600;
}

.nav-item.active::before {
    background: var(--accent);
}

.nav-item-flat {
    padding-left: 50px;
}


.sol-subgroup-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px 4px 40px;
    margin-top: 4px;
    position: relative;
}

.sol-subgroup-label .sg-dot {
    width: 6px;
    height: 6px;
    border-radius: 2px;
    flex-shrink: 0;
}

.sol-subgroup-label .sg-label {
    flex: 1;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.sol-subgroup-label .sg-count {
    font-size: 9.5px;
    color: var(--text-dim);
    font-weight: 600;
    background: var(--bg-elev-3);
    border-radius: 20px;
    padding: 1px 7px;
}

.sol-subgroup-label:first-child {
    margin-top: 0;
}

.sidebar-foot {
    border-top: 1px solid var(--border);
    padding: 11px;
    display: flex;
    align-items: center;
    gap: 11px;
}

.avatar {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--accent);
    flex-shrink: 0;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-display);
}

.sidebar-foot .who {
    flex: 1;
    min-width: 0;
}

.sidebar-foot .who b {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text);
}

.sidebar-foot .who span {
    font-size: 11px;
    color: var(--text-dim);
}

.sidebar-foot .logout {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    transition: background .14s, color .14s;
}

.sidebar-foot .logout:hover {
    background: var(--bg-elev-2);
    color: var(--accent);
}

.sidebar-foot .logout {
    background: transparent;
    border: none;
    cursor: pointer;
}


body.auth-mode .sidebar,
body.auth-mode .topbar,
body.auth-mode .mobile-top {
    display: none;
}

body.auth-mode .main {
    width: 100%;
    height: 100vh;
}

body.auth-mode #app-content {
    padding: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}



.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.mobile-top {
    display: none;
}

.topbar {
    height: 60px;
    flex-shrink: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 26px;
    z-index: 5;
}

.crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.crumb .sep {
    opacity: .5;
}

.crumb b {
    color: var(--text);
    font-weight: 600;
}

.crumb .tag {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 20px;
    background: var(--accent-soft);
    color: var(--accent-ink);
}

.search {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 9px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 13px;
    width: 250px;
    color: var(--text-muted);
}

.search input {
    border: 0;
    background: none;
    outline: 0;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    width: 100%;
}

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

.search input:disabled {
    cursor: not-allowed;
}

#app-content {
    flex: 1;
    overflow-y: auto;
    padding: 26px 32px 60px;
}

#app-content::-webkit-scrollbar {
    width: 10px;
}

#app-content::-webkit-scrollbar-thumb {
    background: var(--bg-elev-3);
    border-radius: 8px;
    border: 2px solid var(--bg);
}

.view-loading,
.view-error {
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
}

.view-error {
    color: var(--accent-ink);
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    max-width: 600px;
    margin: 40px auto;
}



.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s;
    z-index: 40;
}

.sidebar-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 900px) {
    body {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 50;
        transform: translateX(-100%);
        transition: transform .25s cubic-bezier(.3, .8, .3, 1);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main {
        flex: 1;
        min-height: 0;
        width: 100%;
    }

    .mobile-top {
        display: flex;
        align-items: center;
        gap: 12px;
        height: 56px;
        padding: 0 16px;
        background: var(--bg-elev);
        border-bottom: 1px solid var(--border);
        flex-shrink: 0;
    }

    .mobile-menu-btn {
        background: transparent;
        border: none;
        color: var(--text);
        padding: 8px;
        cursor: pointer;
        border-radius: 8px;
    }

    .mobile-menu-btn:hover {
        background: var(--bg-elev-2);
    }

    .mobile-top .brand-mark {
        width: 22px;
        height: 22px;
    }

    .mobile-name {
        font-family: var(--font-display);
        font-size: 1.1rem;
        letter-spacing: 0.06em;
    }

    .topbar {
        display: none;
    }

    #app-content {
        padding: 20px 16px 40px;
    }
}