/* MYCT shared user shell */
    :root {
        --myct-primary: #123B4A;
        --myct-dark: #1F2937;
        --myct-bg: #f4f6f9;
        --myct-header-bg: #f8f1ea;
        --myct-white: #ffffff;
    }

    .user-shell-page {
        font-family: 'Poppins', sans-serif;
        background: var(--myct-bg);
        -webkit-tap-highlight-color: transparent;
    }

    .top-header {
        position: sticky;
        top: 0;
        z-index: 999;
        background: var(--myct-header-bg);
        padding: 14px 16px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    }

    .header-btn,
    button.header-btn,
    a.header-btn {
        width: 45px;
        height: 45px;
        border-radius: 14px;
        background: #f4f6f9;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: var(--myct-primary);
        text-decoration: none;
        border: none;
        cursor: pointer;
        flex-shrink: 0;
        z-index: 1;
        transition: transform 0.2s ease, background 0.2s ease;
    }

    a.header-btn:hover,
    button.header-btn:hover {
        color: var(--myct-primary);
        transform: translateY(-1px);
    }

    .header-btn-spacer {
        visibility: hidden;
        pointer-events: none;
    }

    .header-title {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        font-size: 20px;
        font-weight: 700;
        color: var(--myct-dark);
        margin: 0;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: calc(100% - 120px);
    }

    .myct-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        border: none;
        border-radius: 14px;
        font-family: inherit;
        font-weight: 700;
        cursor: pointer;
        text-decoration: none;
        transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    }

    .myct-btn-primary {
        background: var(--myct-primary);
        color: #fff;
        box-shadow: 0 4px 12px rgba(18, 59, 74, 0.2);
    }

    .myct-btn-primary:hover {
        background: #1a4a5c;
        color: #fff;
        transform: translateY(-1px);
    }

    .myct-btn-secondary {
        background: #fff;
        color: var(--myct-primary);
        border: 1px solid rgba(18, 59, 74, 0.12);
        box-shadow: 0 2px 6px rgba(18, 59, 74, 0.06);
    }

    .myct-btn-secondary:hover {
        background: var(--myct-primary);
        color: #fff;
        border-color: var(--myct-primary);
    }

    .myct-btn-ghost {
        background: transparent;
        color: var(--myct-primary);
        padding: 8px 12px;
        font-size: 0.92rem;
        box-shadow: none;
    }

    .myct-btn-ghost:hover {
        background: rgba(18, 59, 74, 0.06);
    }

    .myct-btn-link {
        background: transparent;
        color: #2563eb;
        padding: 0;
        border-radius: 0;
        box-shadow: none;
        font-size: inherit;
    }

    .myct-btn-link:hover {
        color: #1d4ed8;
        transform: none;
    }

    .myct-btn-block {
        width: 100%;
    }

    .myct-btn-sm {
        padding: 9px 14px;
        font-size: 12px;
        border-radius: 12px;
    }

    .myct-btn-md {
        padding: 12px 18px;
        font-size: 14px;
    }

    .myct-btn-lg {
        padding: 16px 20px;
        font-size: 16px;
        border-radius: 20px;
        min-height: 58px;
    }