@keyframes blink-border {
        50% {
            border-color: transparent;
        }
    }
    * {
        user-select: none;
        /* Disable text selection */
        -webkit-user-drag: none;
        /* Disable image dragging */
        -webkit-touch-callout: none;
        /* Disable iOS long-press callout */
        -webkit-tap-highlight-color: transparent;
        /* Remove tap highlight on mobile */
    }

    
    input,
    textarea {
        user-select: text;
    }



    /* Typography Defaults */
    html,
    body {
        height: 100dvh;
        min-height: 100dvh;
    }

    html {
        font-size: 10px;
    }

    body {
        margin: 0;
        font-family: 'Inter', 'Segoe UI', sans-serif;
        background-color: #f9fafb;
        color: #333;
        height: 100dvh;
        min-height: 100dvh;
        overflow: hidden;
    }

    strong {
        font-weight: normal;
        font-size: 1.3rem;
    }

    header {
        display: flex;
        align-items: center;
        justify-content: space-between;

        background-color: #ffffff;
        box-shadow: 0 1px 5px rgba(0, 0, 0, 0.06);
        position: sticky;
        top: 0;
        z-index: 10;
        height: 40px !important;
    }

    .header-tabs {
        display: flex;
        gap: 1.2rem;
        margin-left: auto;
        vertical-align: middle;
    }


    h1,
    h2,
    h3,
    h4,
    p,
    label {
        margin: 0 0 12px 0;
        color: #222;
        font-family: inherit;
    }

    h1 {
        font-size: 2rem;
        font-weight: 600;
    }

    h2 {
        font-size: 1.75rem;
        font-weight: 600;
    }

    h3 {
        font-size: 1.5rem;
        font-weight: 500;
    }

    h4 {
        font-size: 1.2rem;
        font-weight: 500;
    }

    p {
        font-size: 1rem;
        color: #444;
        line-height: 1.6;
    }

    /* Inputs & Forms */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    textarea,
    select {
        width: 40%;
        padding: 10px 12px;
        margin-bottom: 18px;
        border: 1px solid #d1d5db;
        border-radius: 10px;
        background-color: #ffffff;
        font-size: 1rem;
        box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
        transition: border-color 0.2s, box-shadow 0.2s;
        outline: none;
    }

    input:focus,
    textarea:focus,
    select:focus {
        border-color: #2563eb;
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }

    /* Buttons */
    button {
        padding: 5px 10px;
        background-color: #3b82f6;
        color: white;
        border: none;
        border-radius: 10px;
        font-weight: 500;
        font-size: 1rem;
        cursor: pointer;
        transition: background-color 0.2s, box-shadow 0.2s;
    }

    button:hover {
        background-color: #2563eb;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    }

    button:disabled {
        background-color: #cbd5e1;
        cursor: not-allowed;
    }