/* /Components/Layout/Header.razor.rz.scp.css */
.site-header[b-gyovwld6jx] {
    --header-bg: linear-gradient(135deg, #0c0c13 0%, #1b1830 100%);
    --header-border: rgba(255, 255, 255, 0.12);
    --header-text: #f8fafc;
    --header-muted: rgba(248, 250, 252, 0.75);

    position: relative;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
    padding: 10px 16px;
    background: var(--header-bg);
    color: var(--header-text);
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 10px 24px rgba(7, 7, 10, 0.3);
    font-family: "Trebuchet MS", "Lucida Sans Unicode", "Segoe UI", sans-serif;
}

.header-left[b-gyovwld6jx],
.header-right[b-gyovwld6jx] {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.menu[b-gyovwld6jx] {
    position: relative;
    display: flex;
}

.menu-button[b-gyovwld6jx] {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: var(--header-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.menu-button:hover[b-gyovwld6jx] {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.34);
}

.menu-button:focus-visible[b-gyovwld6jx] {
    outline: 2px solid #60a5fa;
    outline-offset: 2px;
}

.menu-button-open[b-gyovwld6jx] {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.brand-link[b-gyovwld6jx] {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--header-text);
    text-decoration: none;
    min-width: 0;
}

.brand-name[b-gyovwld6jx] {
    font-size: 1.2rem;
    letter-spacing: 0.02em;
    font-weight: 700;
    white-space: nowrap;
}

.header-link[b-gyovwld6jx] {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 36px;
    padding: 0 12px;
    border-radius: 9px;
    color: var(--header-text);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.07);
    font-size: 0.9rem;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.header-link:hover[b-gyovwld6jx] {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.34);
}

.header-link:focus-visible[b-gyovwld6jx] {
    outline: 2px solid #60a5fa;
    outline-offset: 2px;
}

.header-link-edit[b-gyovwld6jx] {
    background: linear-gradient(120deg, rgba(59, 130, 246, 0.24) 0%, rgba(14, 165, 233, 0.18) 100%);
    border-color: rgba(56, 189, 248, 0.42);
}

@media (max-width: 700px) {
    .site-header[b-gyovwld6jx] {
        min-height: 58px;
        padding: 8px 10px;
    }

    .header-link span[b-gyovwld6jx] {
        display: none;
    }

    .header-link[b-gyovwld6jx] {
        width: 36px;
        padding: 0;
        justify-content: center;
    }

    .brand-name[b-gyovwld6jx] {
        font-size: 1.05rem;
    }
}
/* /Components/Layout/MainLayout.razor.rz.scp.css */
.page[b-aqnn0ic1vy] {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.main-area[b-aqnn0ic1vy] {
    display: flex;
    flex-grow: 1;
    overflow: hidden;
    position: relative;
}

[b-aqnn0ic1vy] .rz-splitter-bar-resizable {
    background-color: #11101d !important;
}

.top-row[b-aqnn0ic1vy] {
    background-color: #f7f7f7;
    border-bottom: 1px solid #d6d5d5;
    justify-content: flex-end;
    height: 3.5rem;
    display: flex;
    align-items: center;
}

    .top-row[b-aqnn0ic1vy]  a, .top-row[b-aqnn0ic1vy]  .btn-link {
        white-space: nowrap;
        margin-left: 1.5rem;
        text-decoration: none;
    }

    .top-row[b-aqnn0ic1vy]  a:hover, .top-row[b-aqnn0ic1vy]  .btn-link:hover {
        text-decoration: underline;
    }

    .top-row[b-aqnn0ic1vy]  a:first-child {
        overflow: hidden;
        text-overflow: ellipsis;
    }

@media (max-width: 640.98px) {
    .top-row[b-aqnn0ic1vy] {
        justify-content: space-between;
    }

    .top-row[b-aqnn0ic1vy]  a, .top-row[b-aqnn0ic1vy]  .btn-link {
        margin-left: 0;
    }
}

@media (min-width: 641px) {
    .top-row[b-aqnn0ic1vy] {
        position: sticky;
        top: 0;
        z-index: 1;
    }

    .top-row.auth[b-aqnn0ic1vy]  a:first-child {
        flex: 1;
        text-align: right;
        width: 0;
    }
}

/* /Components/Layout/Sidebar.razor.rz.scp.css */
.sidebar-overlay[b-o89lb03hk0] {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(2, 6, 23, 0.46);
    backdrop-filter: blur(2px);
}

.sidebar-panel[b-o89lb03hk0] {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 41;
    width: min(360px, 88vw);
    height: 100dvh;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    background: linear-gradient(165deg, rgba(15, 15, 23, 0.99) 0%, rgba(25, 23, 40, 0.99) 100%);
    box-shadow: 20px 0 44px rgba(5, 5, 10, 0.5);
    color: #dbe4f1;
}

.sidebar-head[b-o89lb03hk0] {
    height: 64px;
    padding: 12px 12px 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-head h3[b-o89lb03hk0] {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #f8fafc;
}

.sidebar-close[b-o89lb03hk0] {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #f8fafc;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.sidebar-close:hover[b-o89lb03hk0] {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.34);
}

.sidebar-close:focus-visible[b-o89lb03hk0] {
    outline: 2px solid #60a5fa;
    outline-offset: 2px;
}

.nav-scrollable[b-o89lb03hk0] {
    flex: 1;
    overflow: auto;
    padding: 10px;
    scrollbar-width: thin;
}

.sidebar-empty[b-o89lb03hk0] {
    border: 1px dashed rgba(148, 163, 184, 0.45);
    border-radius: 10px;
    padding: 10px;
    color: #cbd5e1;
    background: rgba(15, 23, 42, 0.35);
}

.tree-root[b-o89lb03hk0] {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

[b-o89lb03hk0] .tree-node {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

[b-o89lb03hk0] .tree-row {
    width: 100%;
    min-height: 40px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    color: #d8deea;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 10px;
    text-decoration: none;
    font-size: 0.95rem;
    transition: background-color 0.14s ease, border-color 0.14s ease, color 0.14s ease;
}

[b-o89lb03hk0] .tree-row:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
}

[b-o89lb03hk0] a.tree-row.active {
    color: #ffffff;
    background: linear-gradient(120deg, rgba(59, 130, 246, 0.24) 0%, rgba(14, 165, 233, 0.2) 100%);
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

[b-o89lb03hk0] .tree-toggle {
    cursor: pointer;
}

[b-o89lb03hk0] .tree-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
}

[b-o89lb03hk0] .tree-chevron,
[b-o89lb03hk0] .tree-leaf-icon {
    font-size: 0.78rem;
    color: rgba(226, 232, 240, 0.85);
    flex: 0 0 auto;
}

[b-o89lb03hk0] .tree-children {
    margin-left: 12px;
    padding-left: 10px;
    border-left: 1px solid rgba(148, 163, 184, 0.35);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

@media (max-width: 700px) {
    .sidebar-panel[b-o89lb03hk0] {
        width: min(320px, 92vw);
    }

    .sidebar-head[b-o89lb03hk0] {
        height: 58px;
    }

    [b-o89lb03hk0] .tree-row {
        min-height: 36px;
        padding: 7px 9px;
        font-size: 0.9rem;
    }
}
/* /Components/Pages/Edit/Menu.razor.rz.scp.css */
.edit-menu[b-be9eppke6i] {
    --edit-bg: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --border: #d9e2ec;
    --border-strong: #bcc9d8;
    --ink: #0f172a;
    --ink-muted: #4b5563;

    width: 100%;
    height: 100%;
    min-height: 0;
    padding: clamp(12px, 2vw, 24px);
    display: flex;
    overflow: hidden;
    color: var(--ink);
    background: var(--edit-bg);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.edit-menu .editor-shell[b-be9eppke6i] {
    width: 100%;
    min-height: 0;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: clamp(12px, 2vw, 20px);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.edit-menu .editor-head h2[b-be9eppke6i] {
    margin: 0;
    font-size: clamp(1.2rem, 2.1vw, 1.5rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.edit-menu .editor-head p[b-be9eppke6i] {
    margin: 6px 0 0;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.edit-menu .menu-actions[b-be9eppke6i] {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.edit-menu .topic-btn[b-be9eppke6i] {
    height: 34px;
    padding: 0 12px;
    border-radius: 9px;
    border: 1px solid #c9d5e3;
    background: #ffffff;
    color: #0f172a;
    font-size: 0.86rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.14s ease, background-color 0.14s ease, border-color 0.14s ease;
}

.edit-menu .topic-btn:hover[b-be9eppke6i] {
    transform: translateY(-1px);
    background: #f8fafc;
    border-color: #9cb0c8;
}

.edit-menu .topic-btn-primary[b-be9eppke6i] {
    background: #0f172a;
    border-color: #0f172a;
    color: #f8fafc;
}

.edit-menu .topic-btn-primary:hover[b-be9eppke6i] {
    background: #1e293b;
    border-color: #1e293b;
}

.edit-menu .topic-btn:disabled[b-be9eppke6i],
.edit-menu .topic-btn[disabled][b-be9eppke6i] {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.edit-menu .status-text[b-be9eppke6i] {
    color: #475569;
    font-size: 0.84rem;
    background: #e8eef6;
    border: 1px solid #d8e1ed;
    border-radius: 999px;
    padding: 4px 10px;
}

.edit-menu .status-ok[b-be9eppke6i] {
    color: #0f766e;
    background: #d1fae5;
    border-color: #a7f3d0;
}

.edit-menu .menu-empty[b-be9eppke6i] {
    border: 1px dashed var(--border-strong);
    border-radius: 12px;
    padding: 14px;
    color: var(--ink-muted);
    background: var(--surface);
}

.edit-menu .menu-tree[b-be9eppke6i] {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px;
    flex: 1;
    min-height: 0;
    overflow: auto;
    scrollbar-width: thin;
}

.edit-menu[b-be9eppke6i]  .menu-level {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.edit-menu[b-be9eppke6i]  .menu-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.edit-menu[b-be9eppke6i]  .parent-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 9px;
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.edit-menu[b-be9eppke6i]  .menu-name-input {
    flex: 1;
    min-width: 120px;
    border: 1px solid #c9d4e2;
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 0.92rem;
    color: #111827;
    background: #ffffff;
}

.edit-menu[b-be9eppke6i]  .menu-name-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.edit-menu[b-be9eppke6i]  .menu-icon-btn {
    width: 32px;
    height: 32px;
    border: 1px solid #c9d4e2;
    border-radius: 8px;
    background: #f8fafc;
    color: #334155;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.12s ease, background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.edit-menu[b-be9eppke6i]  .menu-icon-btn:hover {
    transform: translateY(-1px);
    background: #eef2f7;
    border-color: #a6b6c9;
}

.edit-menu[b-be9eppke6i]  .menu-add-btn {
    color: #166534;
    border-color: #8ecfad;
    background: #f0fdf4;
}

.edit-menu[b-be9eppke6i]  .menu-add-btn:hover {
    background: #dcfce7;
}

.edit-menu[b-be9eppke6i]  .menu-move-btn {
    color: #1d4ed8;
    border-color: #9dbafb;
    background: #eff6ff;
}

.edit-menu[b-be9eppke6i]  .menu-move-btn:hover {
    background: #dbeafe;
}

.edit-menu[b-be9eppke6i]  .menu-delete-btn {
    color: #b91c1c;
    border-color: #e8aaaa;
    background: #fef2f2;
}

.edit-menu[b-be9eppke6i]  .menu-delete-btn:hover {
    background: #fee2e2;
}

.edit-menu[b-be9eppke6i]  .menu-topic-btn {
    color: #6d28d9;
    border-color: #c4b5fd;
    background: #f5f3ff;
}

.edit-menu[b-be9eppke6i]  .menu-topic-btn:hover {
    background: #ede9fe;
}

.edit-menu[b-be9eppke6i]  .menu-icon-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    background: #f8fafc;
    border-color: #d8e0ea;
    color: #8a97a7;
}

.edit-menu[b-be9eppke6i]  .menu-collapse-spacer {
    display: inline-block;
    width: 32px;
    height: 32px;
}

@media (max-width: 768px) {
    .edit-menu[b-be9eppke6i] {
        padding: 10px;
        overflow: auto;
    }

    .edit-menu .editor-shell[b-be9eppke6i] {
        border-radius: 12px;
        padding: 12px;
    }

    .edit-menu[b-be9eppke6i]  .parent-item {
        gap: 6px;
        padding: 7px;
    }

    .edit-menu[b-be9eppke6i]  .menu-name-input {
        min-width: 96px;
        padding: 7px 8px;
    }
}
/* /Components/Pages/Edit/TopicEditor.razor.rz.scp.css */
.edit-topic-page[b-qsaiobgqtw] {
    --topic-bg: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --border: #d9e2ec;
    --ink: #0f172a;
    --ink-muted: #4b5563;

    width: 100%;
    height: 100%;
    min-height: 0;
    padding: clamp(12px, 2vw, 24px);
    display: flex;
    flex-direction: column;
    color: var(--ink);
    background: var(--topic-bg);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.edit-topic-head[b-qsaiobgqtw] {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.edit-topic-head h2[b-qsaiobgqtw] {
    margin: 0;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.edit-topic-head p[b-qsaiobgqtw] {
    margin: 6px 0 0;
    color: var(--ink-muted);
    font-size: 0.94rem;
}

.edit-topic-workspace[b-qsaiobgqtw] {
    flex: 1;
    min-height: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px;
}

.mobile-panel-switch[b-qsaiobgqtw] {
    display: none;
}

.edit-topic-splitter[b-qsaiobgqtw] {
    flex: 1;
    min-height: 0;
}

[b-qsaiobgqtw] .edit-topic-splitter.rz-splitter {
    height: 100%;
}

[b-qsaiobgqtw] .edit-topic-splitter .rz-splitter-bar-resizable {
    background-color: #dbe5f1 !important;
    width: 6px !important;
}

.editor-panel[b-qsaiobgqtw] {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    height: 100%;
}

.exercise-editor[b-qsaiobgqtw],
.topic-editor[b-qsaiobgqtw] {
    width: 100%;
    flex: 1;
    min-height: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.exercise-editor[b-qsaiobgqtw] {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topic-editor[b-qsaiobgqtw] {
    display: flex;
    flex-direction: column;
}

.panel-head h3[b-qsaiobgqtw] {
    margin: 0;
    font-size: 1.04rem;
    line-height: 1.2;
}

.panel-head p[b-qsaiobgqtw] {
    margin: 6px 0 0;
    color: var(--ink-muted);
    font-size: 0.88rem;
}

.panel-actions[b-qsaiobgqtw] {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin: 12px 0 8px;
}

.exercise-explanation-block[b-qsaiobgqtw] {
    margin-top: 4px;
    margin-bottom: 8px;
    padding: 10px;
    border: 1px solid #c7d7ec;
    border-left: 4px solid #3b82f6;
    border-radius: 10px;
    background: linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
    text-align: left;
}

.exercise-explanation-block .field-label[b-qsaiobgqtw] {
    margin-top: 0;
    color: #1e3a8a;
    text-align: left;
}

.exercise-explanation-input[b-qsaiobgqtw] {
    border-color: #9eb8de;
    background: #ffffff;
    font-weight: 500;
    text-align: left;
}

.status-text[b-qsaiobgqtw] {
    color: #475569;
    font-size: 0.84rem;
    background: #e8eef6;
    border: 1px solid #d8e1ed;
    border-radius: 999px;
    padding: 4px 10px;
}

.status-ok[b-qsaiobgqtw] {
    color: #0f766e;
    background: #d1fae5;
    border-color: #a7f3d0;
}

.edit-topic-placeholder[b-qsaiobgqtw] {
    border: 1px dashed #b6c4d6;
    border-radius: 10px;
    padding: 12px;
    color: #5d6b7a;
    background: var(--surface-soft);
    margin-top: 10px;
}

.field-label[b-qsaiobgqtw] {
    display: block;
    margin-top: 10px;
    margin-bottom: 6px;
    font-size: 0.88rem;
    color: #334155;
    font-weight: 600;
}

.field-note[b-qsaiobgqtw] {
    margin: 0 0 8px;
    font-size: 0.8rem;
    color: #5d6b7a;
}

.html-editor[b-qsaiobgqtw] {
    width: 100%;
    flex: 1;
    min-width: 0;
    min-height: 240px;
}

[b-qsaiobgqtw] .html-editor.rz-html-editor {
    border: 1px solid #c9d4e2;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    height: 100%;
    min-height: 240px;
}

[b-qsaiobgqtw] .html-editor .rz-html-editor-content {
    min-height: 170px;
}

[b-qsaiobgqtw] .html-editor .rz-html-editor-source.rz-textarea {
    min-height: 170px;
}

[b-qsaiobgqtw] .html-editor .rz-html-editor-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
}

[b-qsaiobgqtw] .html-editor .rz-html-editor-content th,
[b-qsaiobgqtw] .html-editor .rz-html-editor-content td {
    border: 1px solid #c9d4e2;
    padding: 8px;
    vertical-align: top;
}

[b-qsaiobgqtw] .html-editor .rz-html-editor-content thead th {
    background: #f8fafc;
    font-weight: 700;
}

.html-field[b-qsaiobgqtw] {
    margin-top: 10px;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.html-field .field-label[b-qsaiobgqtw] {
    margin-top: 0;
}

.html-field .html-editor[b-qsaiobgqtw] {
    flex: 1;
    min-height: 240px;
}

.text-input[b-qsaiobgqtw],
.table-input[b-qsaiobgqtw] {
    width: 100%;
    border: 1px solid #c9d4e2;
    border-radius: 8px;
    padding: 8px 10px;
    color: #111827;
    font-size: 0.92rem;
    background: #fff;
}

.text-input:focus[b-qsaiobgqtw],
.table-input:focus[b-qsaiobgqtw] {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.exercise-table-wrap[b-qsaiobgqtw] {
    margin-top: 6px;
    overflow: auto;
    flex: 1;
    min-height: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #ffffff;
}

.exercise-table[b-qsaiobgqtw] {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.exercise-table th[b-qsaiobgqtw],
.exercise-table td[b-qsaiobgqtw] {
    border-bottom: 1px solid #e5ebf2;
    padding: 8px;
    vertical-align: middle;
}

.exercise-table th[b-qsaiobgqtw] {
    background: #f8fafc;
    color: #334155;
    font-size: 0.84rem;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
}

.exercise-table th.exercise-head-cell[b-qsaiobgqtw] {
    text-align: center;
}

.exercise-table tbody tr:hover td[b-qsaiobgqtw] {
    background: #fbfdff;
}

.exercise-table tbody tr:last-child td[b-qsaiobgqtw] {
    border-bottom: none;
}

.verify-cell[b-qsaiobgqtw] {
    width: 88px;
    text-align: center;
}

.remove-cell[b-qsaiobgqtw] {
    width: 96px;
    text-align: right;
}

@media (max-width: 900px) {
    .edit-topic-page[b-qsaiobgqtw] {
        padding: 10px;
        overflow: auto;
    }

    .edit-topic-workspace[b-qsaiobgqtw] {
        border-radius: 12px;
        gap: 10px;
        padding: 10px;
        overflow: visible;
    }

    .mobile-panel-switch[b-qsaiobgqtw] {
        display: inline-flex;
        gap: 6px;
        width: 100%;
        padding: 4px;
        border: 1px solid #c9d4e2;
        border-radius: 999px;
        background: #eef2f7;
    }

    .panel-switch-btn[b-qsaiobgqtw] {
        flex: 1;
        border: 0;
        border-radius: 999px;
        padding: 8px 10px;
        color: #334155;
        background: transparent;
        font-size: 0.86rem;
        font-weight: 700;
    }

    .panel-switch-btn.is-active[b-qsaiobgqtw] {
        color: #0f172a;
        background: #ffffff;
        box-shadow: 0 2px 8px rgba(15, 23, 42, 0.14);
    }

    [b-qsaiobgqtw] .edit-topic-splitter.rz-splitter {
        display: block;
        height: auto;
    }

    [b-qsaiobgqtw] .edit-topic-splitter .rz-splitter-bar,
    [b-qsaiobgqtw] .edit-topic-splitter .rz-splitter-bar-resizable {
        display: none !important;
    }

    [b-qsaiobgqtw] .edit-topic-splitter .rz-splitter-pane {
        width: 100% !important;
        max-width: 100% !important;
        flex-basis: auto !important;
        height: auto !important;
        min-height: 0 !important;
    }

    .editor-panel[b-qsaiobgqtw] {
        display: none;
        height: auto;
    }

    .editor-panel.is-active[b-qsaiobgqtw] {
        display: flex;
    }

    .exercise-editor[b-qsaiobgqtw],
    .topic-editor[b-qsaiobgqtw] {
        overflow: visible;
    }

    .exercise-table-wrap[b-qsaiobgqtw] {
        overflow-x: auto;
        overflow-y: visible;
        flex: 0 0 auto;
    }
}

@media (max-width: 768px) {
    .edit-topic-head[b-qsaiobgqtw] {
        flex-direction: column;
        align-items: stretch;
    }

    .exercise-editor[b-qsaiobgqtw],
    .topic-editor[b-qsaiobgqtw] {
        border-radius: 10px;
        padding: 10px;
    }
}
/* /Components/Pages/Home.razor.rz.scp.css */
.home-shell[b-ibtsgnzp0p] {
    --home-bg: #f8fafc;
    --ink-main: #0f172a;
    --ink-muted: #334155;

    width: 100%;
    min-height: 100%;
    background: var(--home-bg);
    color: var(--ink-main);
    padding: clamp(18px, 4vw, 42px);
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 2.5vw, 22px);
    overflow: auto;
    font-family: "Trebuchet MS", "Lucida Sans Unicode", "Palatino Linotype", serif;
    align-items: center;
}

.home-hero[b-ibtsgnzp0p] {
    width: 100%;
    max-width: 920px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 18px;
    padding: clamp(16px, 3vw, 28px);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
    animation: rise-in-b-ibtsgnzp0p 340ms ease-out;
}

.home-kicker[b-ibtsgnzp0p] {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #2563eb;
}

.home-hero h1[b-ibtsgnzp0p] {
    margin: 8px 0 0;
    font-size: clamp(1.8rem, 3.6vw, 2.9rem);
    line-height: 1.08;
    letter-spacing: -0.025em;
}

.home-lead[b-ibtsgnzp0p] {
    margin: 14px 0 0;
    max-width: 68ch;
    color: var(--ink-muted);
    font-size: clamp(0.98rem, 1.45vw, 1.15rem);
    line-height: 1.55;
}

.home-grid[b-ibtsgnzp0p] {
    width: 100%;
    max-width: 920px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.home-card[b-ibtsgnzp0p] {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(148, 163, 184, 0.32);
    border-radius: 16px;
    padding: 16px 16px 18px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
    animation: rise-in-b-ibtsgnzp0p 380ms ease-out;
}

.home-card h3[b-ibtsgnzp0p] {
    margin: 0;
    font-size: 1.04rem;
    line-height: 1.2;
}

.home-card p[b-ibtsgnzp0p] {
    margin: 8px 0 0;
    color: var(--ink-muted);
    line-height: 1.5;
    font-size: 0.95rem;
}

.home-card a[b-ibtsgnzp0p] {
    color: #1d4ed8;
    text-underline-offset: 2px;
}

.home-card-accent[b-ibtsgnzp0p] {
    background: rgba(236, 253, 255, 0.92);
    border-color: rgba(14, 165, 233, 0.35);
}

@keyframes rise-in-b-ibtsgnzp0p {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 680px) {
    .home-shell[b-ibtsgnzp0p] {
        padding: 12px;
    }

    .home-hero[b-ibtsgnzp0p],
    .home-card[b-ibtsgnzp0p] {
        border-radius: 14px;
    }
}
/* /Components/Pages/Topic.razor.rz.scp.css */
.topic-shell[b-z35m2fw2ro] {
    --topic-bg: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --border: #d9e2ec;
    --ink: #0f172a;
    --ink-muted: #4b5563;

    width: 100%;
    height: 100%;
    min-height: 0;
    background: var(--topic-bg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mobile-panel-switch[b-z35m2fw2ro] {
    display: none;
}

.panel-switch-btn[b-z35m2fw2ro] {
    flex: 1;
    border: 0;
    border-radius: 999px;
    padding: 8px 10px;
    color: #334155;
    background: transparent;
    font-size: 0.86rem;
    font-weight: 700;
}

.panel-switch-btn.is-active[b-z35m2fw2ro] {
    color: #0f172a;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.14);
}

.topic-splitter[b-z35m2fw2ro] {
    flex: 1;
    min-height: 0;
}

[b-z35m2fw2ro] .topic-splitter.rz-splitter {
    height: 100%;
}

[b-z35m2fw2ro] .topic-shell .rz-splitter-bar-resizable {
    background-color: #dbe5f1 !important;
    width: 6px !important;
}

.split-pane[b-z35m2fw2ro] {
    display: flex;
    height: 100%;
    min-height: 0;
    overflow: auto;
    padding: 12px;
}

.split-pane-exercises[b-z35m2fw2ro] {
    background: transparent;
}

.split-pane-topic[b-z35m2fw2ro] {
    background: transparent;
}

.exercise-module[b-z35m2fw2ro] {
    width: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.exercise-head[b-z35m2fw2ro] {
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.07);
}

.exercise-kicker[b-z35m2fw2ro] {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: #2563eb;
}

.exercise-head h2[b-z35m2fw2ro] {
    margin: 4px 0 0;
    font-size: 1.25rem;
    line-height: 1.15;
    color: var(--ink);
}

.exercise-explanation[b-z35m2fw2ro] {
    margin: 10px 0 0;
    color: var(--ink-muted);
    line-height: 1.5;
    font-size: 0.92rem;
}

.exercise-meta[b-z35m2fw2ro] {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.exercise-meta span[b-z35m2fw2ro] {
    font-size: 0.8rem;
    color: #475569;
    background: #e8eef6;
    border: 1px solid #d8e1ed;
    border-radius: 999px;
    padding: 4px 10px;
}

.exercise-toolbar[b-z35m2fw2ro] {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.exercise-toolbar-group[b-z35m2fw2ro] {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.topic-btn[b-z35m2fw2ro] {
    height: 34px;
    padding: 0 12px;
    border-radius: 9px;
    border: 1px solid #c9d5e3;
    background: #ffffff;
    color: #0f172a;
    font-size: 0.86rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.14s ease, background-color 0.14s ease, border-color 0.14s ease;
}

.topic-btn:hover[b-z35m2fw2ro] {
    transform: translateY(-1px);
    background: #f8fafc;
    border-color: #9cb0c8;
}

.topic-btn-primary[b-z35m2fw2ro] {
    background: #0f172a;
    border-color: #0f172a;
    color: #f8fafc;
}

.topic-btn-primary:hover[b-z35m2fw2ro] {
    background: #1e293b;
    border-color: #1e293b;
}

.topic-btn:disabled[b-z35m2fw2ro],
.topic-btn[disabled][b-z35m2fw2ro] {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.topic-page-input[b-z35m2fw2ro] {
    width: 86px;
    flex: 0 0 86px;
    text-align: center;
    padding: 0 8px;
    cursor: text;
    appearance: textfield;
}

.topic-page-input[b-z35m2fw2ro]::-webkit-outer-spin-button,
.topic-page-input[b-z35m2fw2ro]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.exercise-empty[b-z35m2fw2ro] {
    border: 1px dashed #b6c4d6;
    border-radius: 12px;
    padding: 14px;
    color: #5d6b7a;
    background: var(--surface-soft);
}

.exercise-list[b-z35m2fw2ro] {
    min-height: 0;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 2px;
    scrollbar-width: thin;
}

.exercise-card[b-z35m2fw2ro] {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px;
}

.exercise-index[b-z35m2fw2ro] {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    border: 1px solid #cdd8e6;
    background: #f8fafc;
    color: #334155;
    font-size: 0.78rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    margin-top: 1px;
}

.exercise-line[b-z35m2fw2ro] {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    column-gap: 0.38rem;
    row-gap: 0.4rem;
    width: 100%;
}

.exercise-fragment-word[b-z35m2fw2ro] {
    color: #0f172a;
    line-height: 1.45;
    font-size: 0.95rem;
}

.exercise-input[b-z35m2fw2ro] {
    margin: 0 !important;
    text-align: center;
    min-width: 72px;
    border: 2px solid #cbd5e1;
    border-radius: 8px;
    background: #ffffff;
    color: #0f172a;
    padding: 6px 8px;
    font-size: 0.92rem;
}

.exercise-input.valid[b-z35m2fw2ro] {
    border-color: #16a34a;
    background: #f0fdf4;
}

.exercise-input.invalid[b-z35m2fw2ro] {
    border-color: #dc2626;
    background: #fef2f2;
}

.topic-pane[b-z35m2fw2ro] {
    width: 100%;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.07);
    overflow: auto;
    scrollbar-width: thin;
}

.topic-content[b-z35m2fw2ro] {
    font-family: "Trebuchet MS", "Segoe UI", sans-serif !important;
    color: #111827 !important;
    line-height: 1.62 !important;
    max-width: 980px !important;
    margin: 0 auto !important;
    padding: 24px 18px 40px !important;
}

.topic-content h1[b-z35m2fw2ro] {
    font-size: clamp(1.7rem, 2.2vw, 2.2rem) !important;
    line-height: 1.16 !important;
    margin: 0 0 10px !important;
    letter-spacing: -0.02em !important;
}

[b-z35m2fw2ro] .topic-content h2 {
    font-size: 1.18rem !important;
    line-height: 1.24 !important;
    margin: 24px 0 10px !important;
    padding: 9px 12px !important;
    background: #eff6ff !important;
    border-left: 4px solid #1d4ed8 !important;
    border-radius: 0 10px 10px 0 !important;
}

[b-z35m2fw2ro] .topic-content p {
    margin: 10px 0 !important;
    color: #111827 !important;
}

[b-z35m2fw2ro] .topic-content ul {
    margin: 10px 0 0 20px !important;
    padding: 0 !important;
}

[b-z35m2fw2ro] .topic-content li {
    margin: 6px 0 !important;
    color: #111827 !important;
}

[b-z35m2fw2ro] .topic-content code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace !important;
    font-size: 0.95em !important;
    background: #f3f4f6 !important;
    border: 1px solid #e5e7eb !important;
    padding: 0.05em 0.35em !important;
    border-radius: 8px !important;
}

[b-z35m2fw2ro] .topic-content table {
    width: 100% !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    margin: 14px 0 6px !important;
    background: #fbfbfd !important;
    border: 1px solid #e5e7eb !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06) !important;
}

[b-z35m2fw2ro] .topic-content thead th {
    background: #f8fafc !important;
    color: #111827 !important;
    font-weight: 700 !important;
    font-size: 0.93rem !important;
    padding: 11px !important;
    border-bottom: 1px solid #d1d5db !important;
}

[b-z35m2fw2ro] .topic-content tbody td {
    padding: 11px !important;
    vertical-align: top !important;
    border-bottom: 1px solid #e5e7eb !important;
    color: #111827 !important;
}

[b-z35m2fw2ro] .topic-content tbody tr:last-child td {
    border-bottom: none !important;
}

[b-z35m2fw2ro] .topic-content strong {
    color: #0f172a !important;
}

@keyframes shake-b-z35m2fw2ro {
    0%,
    100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.shake[b-z35m2fw2ro] {
    animation: shake-b-z35m2fw2ro 260ms;
}

.topic-missing-page[b-z35m2fw2ro] {
    width: 100%;
    min-height: calc(100vh - 72px);
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.topic-missing-card[b-z35m2fw2ro] {
    width: min(560px, 100%);
    border: 1px solid #d9e2ec;
    background: #ffffff;
    border-radius: 16px;
    padding: 22px;
    text-align: center;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.topic-missing-card h1[b-z35m2fw2ro] {
    margin: 0;
    color: #0f172a;
    font-size: clamp(1.3rem, 2.4vw, 1.9rem);
}

.topic-missing-card p[b-z35m2fw2ro] {
    margin: 10px 0 0;
    color: #475569;
    font-size: 0.97rem;
}

@media (max-width: 900px) {
    .topic-shell[b-z35m2fw2ro] {
        padding: 10px;
        overflow: auto;
    }

    .mobile-panel-switch[b-z35m2fw2ro] {
        display: inline-flex;
        gap: 6px;
        width: 100%;
        padding: 4px;
        border: 1px solid #c9d4e2;
        border-radius: 999px;
        background: #eef2f7;
    }

    [b-z35m2fw2ro] .topic-splitter.rz-splitter {
        display: block;
        height: auto;
    }

    [b-z35m2fw2ro] .topic-splitter .rz-splitter-bar,
    [b-z35m2fw2ro] .topic-splitter .rz-splitter-bar-resizable {
        display: none !important;
    }

    [b-z35m2fw2ro] .topic-splitter .rz-splitter-pane {
        width: 100% !important;
        max-width: 100% !important;
        flex-basis: auto !important;
        height: auto !important;
        min-height: 0 !important;
    }

    .split-pane[b-z35m2fw2ro] {
        display: none;
        height: auto;
        overflow: visible;
        padding: 10px;
    }

    .split-pane.is-active[b-z35m2fw2ro] {
        display: flex;
    }

    .exercise-list[b-z35m2fw2ro],
    .topic-pane[b-z35m2fw2ro] {
        overflow: visible;
    }

    .exercise-head[b-z35m2fw2ro],
    .topic-pane[b-z35m2fw2ro] {
        border-radius: 12px;
    }
}

@media (max-width: 700px) {
    .exercise-toolbar[b-z35m2fw2ro] {
        flex-direction: column;
        align-items: stretch;
    }

    .exercise-toolbar-group[b-z35m2fw2ro] {
        width: 100%;
    }

    .topic-btn[b-z35m2fw2ro] {
        flex: 1;
    }

    .exercise-card[b-z35m2fw2ro] {
        padding: 9px;
    }
}