input[type="file"] {
    border: 1px solid #ccc;
    border-radius: 5px;
    background: white;
    color: #333;
    font-family: inherit;
    font-size: 1rem;
    padding: 0.5rem;
    pointer-events: none;
    user-select: none;
}

input[type="file"]::file-selector-button {
    display: none;
}

.file-btn {
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    /* square with slightly rounded corners */
    border-radius: 8px;
    box-sizing: border-box;
    cursor: pointer;
    display: inline-flex;
    height: var(--btn-size);
    justify-content: center;
    /* make label focus-visible like a button */
    outline: none;
    transition: transform .12s ease, box-shadow .12s ease;
    user-select: none;
    width: var(--btn-size);
}

/* Circular + in the middle */
.plus-circle {
    display: inline-flex;
    width: var(--circle-size);
    height: var(--circle-size);
    border-radius: 50%;
    border: 2px solid var(--primary);
    align-items: center;
    justify-content: center;
    font-size: 22px;
    line-height: 1;
    color: var(--primary);
    font-weight: 600;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* hover / active */
.file-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(31, 111, 235, 0.12);
}

.file-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(31, 111, 235, 0.10);
}

/* keyboard focus (accessible) */
.file-btn:focus-visible {
    box-shadow: 0 0 0 4px rgba(31, 111, 235, 0.14);
}

.delete-btn {
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    /* square with slightly rounded corners */
    border-radius: 8px;
    box-sizing: border-box;
    cursor: pointer;
    justify-content: center;
    /* make label focus-visible like a button */
    outline: none;
    transition: transform .12s ease, box-shadow .12s ease;
    user-select: none;
}

.stock-movement-nav {
    display: flex;
    margin-bottom: 20px;
    justify-content: flex-start;
}